CN101279655B - Reclosable packaging bag and method for manufacturing same - Google Patents
Reclosable packaging bag and method for manufacturing same Download PDFInfo
- Publication number
- CN101279655B CN101279655B CN2008100952023A CN200810095202A CN101279655B CN 101279655 B CN101279655 B CN 101279655B CN 2008100952023 A CN2008100952023 A CN 2008100952023A CN 200810095202 A CN200810095202 A CN 200810095202A CN 101279655 B CN101279655 B CN 101279655B
- Authority
- CN
- China
- Prior art keywords
- bag
- cover element
- packing bag
- main packing
- packaging bag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The present invention relates to a re-closable packaging bag and method for manufacturing same, the packaging bag includes: a mainly packaging bag body which has an opening part at above, and which is composed of a pair of relative folding sheets; A linearity fastening which is installed on the opening part on the mainly packing bag body, extending at horizontal direction, having prearranged length; and a sleeved element which is installed in the mainly packing bag under the plainness and cave-in state in generally, under the state, whole of the external surface of the sleeved element connecting with the inner surface of the mainly packing bag body, the sleeved element being not folded in the mainly packing bag body to make the sleeved element and the mainly packing bag body move between the common plainness cave-in state and the expansion state, the expansion state is limited by the sleeved element and the volume of the mainly packing bag body in the mainly packing bag body, while contacting between the outer surface of the sleeved element and the inner surface of the mainly packing bag body, the sleeved element being provided with the bottom of the basic opening at the state of expansion.
Description
This application is to be that March 7 calendar year 2001, Chinese application number are the dividing an application of application of 01117241.X the applying date.
Technical field
The present invention relates to packaging bag, it can be opened and sealing more again, the invention still further relates to the method for the packaging bag of making this Reclosable.
Background technology
Shown in figure 25, the packaging bag 1 of normally used Reclosable comprises main packing bag 7 and linear fastener 9.Through placing two plastic film material sheets 2,3, a membraneous material sheet is placed on another; Form main packing bag 7, heat seal packing bag 7 opposed lateral edges and lower edges, thus make main packing bag 7 have last opening section 8; And hermetic unit 4,5,6.On the inside face of the opening portion 8 of main packing bag 7, be provided with linear fastener 9.After content is filled into packaging bag 1, carry out heat seal processing through edge of opening, packaging bag 1 edge of opening of sealing Reclosable to packaging bag.
With respect to the manufacturing approach of the packaging bag of Reclosable recited above, linear fastener 9 is cut certain-length, and it equals the width of plastic film material sheet 2,3, so that constitute the main packing bag 7 with linear fastener 9.A button element of the linear fastener 9 after being cut temporarily bends to the inside face at an edge of membraneous material sheet 2.Another button element of linear fastener 9 after being cut temporarily bends to the inside face at an edge of membraneous material sheet 3.Carry out heat seal processing, owing on the stable inside face that is fixed to main packing bag 7 of the button element of linear fastener 9, form main packing bag 7 by membraneous material sheet 2,3.
In the packaging bag of described conventional Reclosable, linear fastener 9 extends to the outward flange of the heat sealing part of main packing bag opposite side continuously from the outward flange of a side heat sealing part of main packing bag.Therefore, the two side portions of main packing bag has certain thickness, and it equals two sheet material thickness and adds the thickness sum of detaining element again.Add man-hour when carrying out heat seal for main packing bag opposed side edges, Here it is needs enough pressure and heat, makes the button element melt and distortion.Therefore the time cycle that need carry out heat seal processing is extended.
In the procedure of processing of the linear fastener certain-length of excision, the length of excision equals the width of plastic film material sheet.On the inside face of plastic film material sheet, carry out the step of bending machining for the button element that constitutes linear fastener, based on the method for the packaging bag of making above-mentioned Reclosable.The improvement of work efficiency is restricted.
Generally, the packaging bag rigidity of Reclosable is smaller, so that accommodates the packaging bag of the Reclosable of content, can not under the stacked state, carry out commodity displaying.
The objective of the invention is to solve problem recited above, a kind of packaging bag of Reclosable is provided, and the method for making this packaging bag, it can shorten the process-cycle, improves work efficiency.
Another object of the present invention provide a kind of can packaging bag stacking, Reclosable.
Summary of the invention
In order to solve the related process-cycle of the object of the invention, the problem of work efficiency, the packaging bag of Reclosable provided by the invention comprises:
Main packing bag has opening portion and at least one heat sealing part;
Opening portion at said main packing bag is provided with linear fastener, wherein:
Through hole plug-in type injection-molded processing, along the opening portion of main packing bag linear fastener is set, and linear fastener does not extend to described heat sealing part.
Each opposed side edges at said main packing bag is provided with heat sealing part.
On one of said main opposed a pair of surface of packing bag heat sealing part is set.
Centre portion on one of a pair of mutual opposed surface is provided with heat sealing part.
The packaging bag of Reclosable can comprise the cover element, and it is arranged in the described main packing bag, keeps the packing bag to have predetermined shape.
The cover element is folding.
The cover element has a pair of ridge, and it has triangular shaped, and said a pair of ridge can be in contact with one another with the bottom of main packing bag, and can fold.
The cover element have at least one flexible reinforcement tabs, its be positioned at main packing bag opening portion near.
The cover element has discerptible cover componentry, when the packaging bag of Reclosable is unlocked and in the part of the cover element that the separates entering cover element, makes the cover element form predetermined three-dimensional dimension shape.
Be provided with finger-hole at discerptible cover componentry, so that remove the cover componentry.
Main packing bag can be folded into predetermined shape; Said linear fastener has easy sweep, and it makes main packing bag folding easily.
Linear fastener has the box element and the pin thread element that can cooperatively interact, and the part of said easy bending comprises the tabs part, through removing the part of pin thread element and box element, forms the tabs part.
Tabs partly has auxiliary sealing device, and said auxiliary sealing device can be in contact with one another, so that be sealed in the space between the tabs part.
Main packing bag has at least one stopper portions, so that make cover element location.
In order to solve the problem of the said stacking performance that relates to of the object of the invention, the packaging bag of a kind of Reclosable provided by the invention, it comprises:
Main packing bag, it has opening portion at upside, and said main packing bag is made up of a pair of relative pleated sheet;
Linear fastener, it is arranged on the opening portion of said main packing bag, and to extend in the horizontal direction, said linear fastener has predetermined length; And
The cover element; It is being arranged in the said main packing bag under smooth state that subsides usually; Under this state, the whole outer surface of said cover element contacts with the inside face of said main packing bag, and said cover element is formed in the said main packing bag not folding; Make the cover element and mainly pack bag mobile between smooth state that subsides and the swelling state usually; This swelling state is limited cover element and said main packaging bag body bulk in the main packing bag, and at the outside face that overlaps element with mainly pack and keep contact between the inside face of bag, said cover element has basic open bottom under swelling state.
In order to solve the said process-cycle that relates to of the object of the invention, the problem of work efficiency, a kind of method of making the packaging bag of Reclosable provided by the invention, it comprises:
Main packing bag is provided, and it has opening portion at upside, and said main packing bag is made up of a pair of relative pleated sheet;
Linear fastener is provided, and it is arranged on the opening portion of said main packing bag, and to extend in the horizontal direction, said linear fastener has predetermined length; And
The cover element is provided; It is being arranged in the described main packing bag under smooth state that subsides usually, and under this state, the whole outer surface of said cover element contacts with the inside face of said main packing bag; Said cover element is formed in the said main packing bag not folding; Make the cover element and mainly pack bag and usually moving between smooth state that subsides and the swelling state, this swelling state is limited cover element and said main packaging bag body bulk in the main packing bag, and at the outside face that overlaps element with mainly pack and keep contact between the inside face of bag; Said cover element has basic open bottom under swelling state
Make said cover element be positioned mainly to pack in the bag.
In order to solve the related process-cycle of the object of the invention, the problem of work efficiency, the another kind of method of making the packaging bag of Reclosable provided by the invention may further comprise the steps:
Mono-membraneous material sheet is folded into two parts, mainly packs bag thereby prepare not bonded assembly, it has upper limb and the opposed lateral edges that does not also link together each other,
The top of the folding main packing bag that does not link together so that they are separated from each other, forms the pair of curved part;
Described pair of curved partly is arranged in the molding equipment of linear fastener;
Through the processing of plug-in type injection-molded, on the pair of curved inside face partly of main packing bag, the continuously shaped first and second linear button elements that are used to constitute linear fastener are removed opposed lateral edges in the linear fastener element respectively;
The bag of opposed whole lateral edges mainly pack to(for) bonded assembly not carries out heat seal.
In order to solve the related process-cycle of the object of the invention, the problem of work efficiency, the another kind of method of making the packaging bag of Reclosable provided by the invention may further comprise the steps:
Mono-membraneous material sheet is folded into two parts, mainly packs bag thereby prepare not bonded assembly, it has the upper limb that does not also link together each other, one of lower edge and opposed lateral edges;
The upper end of mainly packing another opposed lateral edges of bag at said not bonded assembly forms otch;
The top of the folding main packing bag that does not link together so that they are separated from each other, forms the pair of curved part, and said top has and the corresponding length of said notch portion;
Described pair of curved partly is arranged in the molding equipment of linear fastener;
Through plug-in type injection-molded processing, mainly to pack on the inside face of the pair of curved part of bag at bonded assembly not respectively, the continuously shaped first and second linear button elements that are used to constitute linear fastener are removed opposed lateral edges in the linear fastener element;
One of the bag of whole lower edge and opposed whole lateral edges mainly pack to(for) bonded assembly not carried out heat seal, and heat seal is carried out in the upper end of only said not bonded assembly mainly being packed another opposed lateral edges of bag.
In order to solve the related process-cycle of the object of the invention, the problem of work efficiency, the another kind of method of making the packaging bag of Reclosable provided by the invention may further comprise the steps:
One at the opposed edge of mono-membraneous material sheet is placed on another; Alongst, the whole lap at single membraneous material sheet carries out heat seal, the formation heat sealing part; Mainly pack bag thereby prepare not bonded assembly, promptly have the top and bottom of unlatching;
Folding not bonded assembly is mainly packed bag becomes flat form, makes the position of heat sealing part leave not bonded assembly and mainly packs one of corresponding opposed side of bag, has predetermined distance;
The upper part of mainly packing the phase opposed edge of bag at bonded assembly not forms otch;
The top that folding not bonded assembly is mainly packed bag is separated from each other it, thereby forms the pair of curved part, and the length that the top of said packing bag has is corresponding to the length of otch;
Pair of curved partly is placed in the molding equipment of linear fastener;
Through plug-in type injection-molded processing, mainly to pack on the inside face of the pair of curved part of bag at bonded assembly not respectively, the continuously shaped first and second linear button elements that are used to constitute linear fastener are removed opposed lateral edges in the linear fastener element;
The bag of whole lower edge mainly pack to(for) bonded assembly not carries out heat seal, and heat seal is carried out in the upper end of only said not bonded assembly mainly being packed the opposed lateral edges of bag.
In order to solve the related process-cycle of the object of the invention, the problem of work efficiency, the another kind of method of making the packaging bag of Reclosable provided by the invention may further comprise the steps:
One with at least two sheet film materials sheets is placed on another, and prepare not bonded assembly and mainly pack bag, the opposed upper limb and the lower edge of said packing bag, left hand edge and right hand edge also do not interconnect;
The top of folding at least two sheet film materials sheets, and it is separated from each other, form the pair of curved part;
Pair of curved partly is placed in the molding equipment of linear fastener;
Through plug-in type injection-molded processing, mainly to pack on the inside face of the pair of curved part of bag at bonded assembly not respectively, the continuously shaped first and second linear button elements that are used to constitute linear fastener are removed opposed lateral edges in the linear fastener element;
Mainly pack the whole lower edge of bag for bonded assembly not, left hand edge and right hand edge carry out heat seal.
Method of the present invention also is included in to be accomplished after the last procedure of processing, inserts the cover element, so that keep main packing bag to have predetermined shape.
Method of the present invention also is included in not bonded assembly and mainly packs in the bag, places the cover element, keeps main packing bag to have predetermined shape.
Description of drawings
Fig. 1 is the planar view of the packaging bag embodiment of Reclosable of the present invention.
Fig. 2 is the block diagram of the linear fastener in the packaging bag of Reclosable shown in figure.
Fig. 3 is a cutaway view, the instance of linear fastener forming method shown in its presentation graphs 2.
Fig. 4 is a cutaway view, and it representes the instance of linear fastener forming method shown in another kind of Fig. 2.
Fig. 5 is the block diagram of linear fastener, adopts the linear fastener of fastener forming method moulding as shown in Figure 4.
Fig. 6 is the block diagram of another embodiment of packaging bag of expression Reclosable of the present invention.
Fig. 7 is the block diagram of the packaging bag of expression Reclosable of the present invention when being in F/s in the packaging process, and the content that is contained in the packaging bag is cubic shaped.
Fig. 8 is the block diagram of the packaging bag of expression Reclosable of the present invention when being in subordinate phase in the packaging process, and the content that is contained in the packaging bag is cubic shaped.
Fig. 9 is the block diagram of the packaging bag of expression Reclosable of the present invention when being in phase III in the packaging process, and the content that is contained in the packaging bag is cubic shaped.
Figure 10 is the block diagram of connection with wrapping of piece, and it forms through fill cube shaped content to the packaging bag of Reclosable.
Figure 11 is the planar view of another embodiment of the packaging bag of Reclosable of the present invention.
Figure 12 is used for the block diagram of the cover element of the packaging bag of Reclosable as shown in Figure 11.
Figure 13 is the partial perspective view of the linear fastener of the easy clamping of the packaging bag of Reclosable as shown in Figure 11.
Figure 14 is a cutaway view, is arranged on the auxiliary sealing device on the easy clamping part shown in its expression Figure 13.
Figure 15 is a cutaway view, and it representes the another kind of modification of auxiliary sealing device as shown in Figure 14.
Figure 16 is the scheme drawing of the step of the expression packaging bag of making Reclosable of the present invention.
Figure 17 is the scheme drawing of the step of the another kind of packaging bag of making Reclosable of the present invention of expression.
Figure 18 is the planar view of another embodiment of the packaging bag of Reclosable of the present invention.
Figure 19 is the partial view that amplifies, the stopper portions shown in its expression Figure 18 in the packaging bag of Reclosable.
Figure 20 is the view of a kind of alter mode of the element of cover shown in Figure 18.
Figure 21 is the view of a kind of alter mode of the element of cover shown in Figure 20.
Figure 22 is a block diagram, and it is illustrated in the embodiment of the method for the bottom moulding of using in the packaging bag of Reclosable of the present invention.
Figure 23 is a block diagram, and it is illustrated in the embodiment of the method for the another kind of bottom moulding of using in the packaging bag of Reclosable of the present invention.
Figure 24 is the bottom view of the packaging bag of expression Reclosable, adopts bottom forming method shown in Figure 23 to obtain this embodiment.
Figure 25 is the planar view of the packaging bag of conventional Reclosable.
Detailed description to the preferred embodiment of the invention
The specific embodiment
With reference to the accompanying drawings, describe preferred embodiment of the present invention in detail.
The self-standing type packaging bag that Fig. 1 has described Reclosable of the present invention is applied to the example of the packaging bag of Reclosable.The packaging bag 10 of the Reclosable of self-standing type comprises main packing bag 14 and linear fastener 15.Main packaging bag health 14 is made up of the sheet of 2 membraneous materials, so that form the opposite face 11,12 of packaging bag, and, form the bottom of packaging bag by a membraneous material sheet 13.On the in-to-in surface of the opening portion of main packing bag 14, be provided with linear fastener 15.
Above-mentioned main packing bag 14 is processed through folding membraneous material 13, and said folding membraneous material 13 is set between the lower part of each membraneous material sheet 11,12.So that the folding edge 13a of membraneous material 13 directly makes progress, heat-seal film material piece 11,12 opposed edges parts form side heat sealing part 16, and the bottom of heat-seal film material piece 11,12 form thermosealed bottom and divide 17.
Form above-mentioned membraneous material sheet 11,12,13 by same plastic material.For this membraneous material sheet, can adopt laminate film to process, for example; Mylar by 12 μ m thickness; The aluminium foil of the thickness of 9 μ m, the polyethylene foil of the thickness of 50 μ m constitutes, and perhaps is made up of the mylar of 12 μ m thickness and the polyethylene foil of 50 μ m thickness.
Above-mentioned linear fastener 15 is made up of box element 18 and pin thread element 19, and is as shown in Figure 2.Open end along main packing bag 14 is provided with linear fastener 15; And linear fastener 15 is by corresponding length; This corresponding length is through from the overall width of main packing bag 14, deducts the heat sealing part 16 at edge and obtains, as with that kind represented among Fig. 1.
Be contained in content in the packaging bag 10 of self-standing type Reclosable the shape of square or rectangle can be arranged.In this case, the packaging bag 10 of the Reclosable of self-standing type can be out of shape the parallelepiped shape that becomes cube or rectangle.Best, the part of easy bending is set, for example, indentation is set, so that make the packaging bag distortion easily at the box element 18 of linear fastener 15 and the sweep of pin thread element 19.And, preferably reduce two box elements 18 and pin thread element 19 end portion thickness, so that form thin part.
Fig. 2 representes the instance of box element 18 and pin thread element 19, in the forming process of main packing bag 14, linear fastener 15 is connected on the main packing bag 14.Box element 18 and pin thread element 19 are connected respectively to the top 11a of the membraneous material sheet 11,12 of main packing bag 14, and 12a is last.Top 11a, the 12a opposed side edge does not connect each other.
In addition, the top 11a of membraneous material sheet 11,12,12a has opposed side edge, and it does not link together each other, and, in the bending that meets at right angles of relative direction, so that be separated from each other.So top 11a, 12a in linear fastener molding equipment mould 20 and 21 be crooked, as shown in Figure 3.Then, with synthetic resin, for example, and poly-vinyl resin, under molten condition, through the plug-in type injection molding process, injection synthetic resin through the inlet 22 of mould 21, through passage 23, gets into molding space.Then, box element 18 and pin thread element 19 are connected to crooked top 11a, the inside face of 12a.The length of each box element 18 and pin thread element 19 is respectively less than the overall width of main packing bag 14.Particularly, both length of box element 18 and pin thread element 19 has corresponding value, through follow-up procedure of processing, from the overall width of main packing bag 14, deducts the heat sealing part 16 of side, obtains this corresponding length value.
The instance that Fig. 4 representes is before constituting main packing bag 14, and the box element 18 that forms linear fastener 15 is connected on the membraneous material sheet 30 with pin thread element 19.Particularly, box element 18 and pin thread element 19 are connected on the surface of membraneous material sheet 30, and they are open each other; As shown in Figure 4, between the mould 31 and 32 in linear fastener molding equipment, material piece 30 is set, and; Injection synthetic resin, for example, under molten condition, through the plug-in type injection molding process; Through the inlet 33 of mould 32, through passage 34, get into molding space, the injection vinyl.Form the box element 18 and pin thread element 19 of linear fastener 15; Length with the overall width L that is different from main packing bag 14 still, has corresponding length value; Through follow-up procedure of processing; From the overall width L of the main packing bag 14 of main packing bag, deduct the heat sealing part 16 of side, obtain this corresponding length value.
The method of making self-standing reclosable bag pack 10 will be described below.
At first, prepare three sheet film materials, that is, have in the membraneous material sheet 11,12 of the opposite face that forms main packing bag 14 and form the membraneous material sheet 13 of the bottom of main packing bag 14.
Then, the membraneous material sheet 13 with the bottom that forms main packing bag 14 is folded into two parts.The membraneous material sheet 13 that is folded is placed between the bottom of membraneous material 11,12, and the edge 13a that makes membraneous material sheet 13 be folded directly makes progress.On the bottom of membraneous material sheet 11,12 and membraneous material sheet 13, carry out heat seal processing, thereby form thermosealed bottom 17.
Then, the lower edge of membraneous material sheet 11,12 is formed on thermosealed bottom 17.Top 11a with membraneous material sheet 11,12 of thermosealed bottom 17,12a be towards the bending that meets at right angles of opposite direction, thereby be separated from each other.With top 11a, 12a is arranged between the mould 20 and 21 in the molding equipment of linear fastener, makes their crooked, as shown in Figure 3 respectively.
Then, in the processing of plug-in type injection-molded, through the inlet 22 process passages 23 of mould 21; Synthetic resin with molten condition; For example poly-vinyl resin or acrylic resin inject and get into molding space, so that synthetic resin are in the molding equipments of linear fastener; The top 11a of the bending between mould 20 and 21, the last extension of 12a.The synthetic resin of molten condition is injected into molding space, and in this space, cools off.So, form the box element 18 and pin thread element 19 of linear fastener 15, at the top 11a of main packing bag 14, the inside face of 12a interconnects respectively.Confirm box element 18 and the overall width of pin thread element 19 length separately less than main packing bag 14 in advance, said overall width comprises the heat sealing part 16 of side.
For the top 11a of the bending of main packing bag 14,12a is provided with processing, so that pin thread element 19 cooperatively interacts with box element 18.Carry out heat seal processing at membraneous material sheet 11,12 relative sidewall sections, thereby form sidewall heat sealing part 16.The packaging bag 10 for preparing the Reclosable of self-standing type by this way.
Below introduce in detail the method for the packaging bag of making three side seals type Reclosables.
At first, prepare the membraneous material sheet 30 of rolling.The membraneous material sheet 30 of rolling is launched, the membraneous material sheet 30 that launches is arranged between the mould 31,32 of linear fastener molding equipment, as shown in Figure 4.
Then, in the processing of plug-in type injection-molded, through the inlet 33 process passages 34 of mould 32, with the synthetic resin of molten condition, for example the poly-vinyl resin injection gets into molding space.So box element 18 is connected a surface portion of the membraneous material sheet 30 of rolling with pin thread element 19, and is separated from each other.Less than the overall width L of main packing bag 4, said overall width comprises the heat sealing part 16 of side to the length of box element 18 and pin thread element 19 respectively.
The membraneous material sheet 30 of rolling has connection box element 18 and pin thread element 19 above that, and C cuts along straight line, forms the length L corresponding to the overall width of main packing bag 14.Membraneous material sheet 30 opposed edges of cutting off have box element 18 and pin thread element 19, and are as shown in Figure 6.Along center line, the membraneous material sheet 30 that cuts off is folded into two parts, so that box element 18 cooperatively interacts with pin thread element 19.
Below introduce in detail the method for the packaging bag of making four side closed type Reclosable.
At first, preparation is used to form the opposite face membraneous material sheet 11,12 of the packaging bag of Reclosable.A slice in these membraneous material sheets 11,12 is placed on another sheet.Carry out heat seal processing in the bottom of membraneous material sheet 11,12, thereby form bottom heat part 17.
Then, in the processing of plug-in type injection-molded, through the inlet 22 process passages 23 of mould 21; With the synthetic resin of molten condition, for example poly-vinyl resin or acrylic resin are injected and are got into molding space; So that synthetic resin is 11a on the top of bending; 12a extends, and said top 11a, 12a are set between the mould 20 and 21 of linear fastener molding equipment.So, the 11a on the top of bending, the box element 18 and the pin thread element 19 of the inside face of 12a interconnect.Confirm box element 18 and the overall width of pin thread element 19 length separately less than main packing bag 14 in advance, said overall width comprises the heat sealing part 16 of side.
To be used for the top 11a of the bending of main packaging bag 14, the part among the 12a is placed on another part, so that pin thread element 19 cooperatively interacts with box element 18. Membraneous material sheet 11,12 opposed side edges are partly carried out heat seal processing, so that form side heat sealing part 16.The packaging bag for preparing self-standing type Reclosable in this way.
Figure 10 has described a kind of article of pack, obtains through filling content to the packaging bag of Reclosable, and said content has cube shaped shape.
In the packaging bag 41 of the Reclosable of three side seals, receive the content with cubic shaped, make the packaging bag distortion become parallel cubic shaped, as shown in Figure 7, packaging bag has in the side of content respective shapes.In this case, the packaging bag that comprises the side heat sealing part partly is out of shape and is become flat part, and is relative to outer expansion in the packaging bag simultaneously.So; The width on the top 42 of the packaging bag of process distortion comprising linear fastener 15, and does not wherein comprise content; The width on said top 42 is greater than the width of the lower part of the packaging bag of distortion, so top 42 is outstanding from the flat part of above-mentioned packaging bag Width.
As shown in Figure 8, along folding three side seals of the upper horizontal plane of content with on the top 42 of osed top packaging bag 41,, shown in figure 10 so that form connection with wrapping of piece 40 with cubic shaped.Therefore, 42 opposed side edge on top are from the folding part of protruding of the flat part that comprises the side heat sealing part.With projection 43 downwarpings, so that it is parallel to the vertical side of content, as shown in Figure 9.In this case, the part of easy bending is set preferably, for example the part at linear fastener 15 is provided with indentation, and it is corresponding to wiggle, and projection 43 is crooked along wiggle, therefore is easy to projection 43 is carried out bending machining.
With reference to the accompanying drawings 11 and 12, the packaging bag of the Reclosable of another embodiment of the present invention is described.
The packaging bag 50 of Reclosable comprises main packing bag 54, linear fastener 55 and cover element 60.
Become two parts through folding mono-membraneous material sheet and form main packing bag 54, so that the position of fold line is provided with downwards, and heat seal packing bag 54 opposed side edges.Particularly, opening is arranged on the top of main packing bag 54, and, heat sealing part 56 had in opposed side edges.
Adopt the mode identical, linear fastener 55 is set along the opening of main packing bag 54 with embodiment shown in Fig. 2.Particularly, at the inside face of one of opposed part 51,52 of membraneous material sheet, near the opening of packing bag 54, form the pin thread element of linear fastener.Form the box element of linear fastener on the inside face of another in opposed part 51,52.The pin thread element and the box element that form linear fastener 55 are arranged on the membraneous material sheet part except that heat sealing part 56.
Adopt flexible material to form cover element 60, for example adopt paper, synthetic resin or materials similar.Said cover element 60 comprises a pair of mutual opposed front surface portion 60a and back surface portion 60b; With a pair of lateral parts 60c and 60d; So that mutual opposed front surface portion 60a interconnects with the edge of back surface portion 60b and lateral parts 60c and 60d; And lateral parts 60c and 60d have leg-of-mutton projection 60cx and 60dx respectively.Front surface portion 60a has identical rectangular shape with back surface portion 60b.Lateral parts 60c has identical pentagon shaped with 60d, that is, and and through rectangular shape and be positioned at the shape that the equicrural triangle of its below combines and obtains.Each lateral parts 60c and 60d have fold line FL, and its centre portion at each lateral parts 60c and 60d Width forms, so that extend in a longitudinal direction, shown in Figure 12 A.Cover element 60 has three-dimensional structure, shown in Figure 12 A.And, through fold line FL, outwards moving fold line simultaneously along each lateral parts 60c and 60d, crooked each lateral parts 60c and 60d are folded into the flat pattern shown in Figure 12 B.
Make cover element 60 keep the folded state shown in Figure 12 B, be inserted into main packing bag 54, so that the pig of the top of projection 60cx and 60dx and main packing bag 54.
The cover element is inserted in the main packing bag 54; Change the shape of cover file 60; Form the three-dimensional dimension situation, shown in Figure 12 A, make main packing bag 54 keep the shape shown in Figure 16 F; The shape of the main packing bag 54 shown in its shape and Figure 11 is inequality, has the mono-heat sealing part at the main packing bag 54 shown in Figure 11.In this state, with main packing bag 54, projection 60cx and 60dx through the cover element 60 that curves inwardly form the packaging bag of self-standing shape.Like accompanying drawing 8,9, shown in 10, the cube package of parallel capable of stacking is changed into the packaging bag 50 of Reclosable on the top of the packing bag of wanting through curved major 54.
Also the curved linear fastener 55, during the top of the packing bag of wanting with convenient curved major 54, obtain consistent parallel cubic shaped.Linear fastener 55 has the part 58a of easy bending, and 59a is shown in figure 13, also carries out bending operation recited above easily.
Crooked easily part is not limited only to said structure.The part of the easy bending that forms can be the hole, can process with pin thread element 59 corresponding sweeps at box element 58 through punch process or similar mode to portal, and therefore, is convenient to carry out the bending machining step.
The part 58a of easy bending only need be set, 59a at the sweep of linear fastener 55.Crooked easily part 58a, 59a can significantly worsen the sealing property of packaging bag because of forming linear fastener 55.But, when needs obtain the packaging bag of excellent sealing performance, being preferably the part 58a of easy bending, 59a provides auxiliary sealing device 58b, and 59b is shown in figure 14.
Auxiliary sealing device comprises a pair of rib 58b, and it has leg-of-mutton cross-sectional plane, and the flat part 58a of described a pair of rib 58b and box element 58 forms integral body, and, towards pin thread element 59 protrusions.And, a pair of rib 59b is arranged, it has leg-of-mutton cross-sectional plane, and the flat part 59a of described a pair of rib 59b and pin thread element 59 forms integral body, and, towards box element 58 protrusions.The top end part that belongs to the rib 58b of box element 58 contacts with the top end part of the rib 59b that belongs to pin thread element 59 respectively; Thereby at linear fastener 55 residing sealing states; Promptly; Pin thread element 59 and the state that box element 58 matches improve sealing property between flat part 58a and 59a.
Shown in figure 14, rib 58b, the position at 59b place is in the outside of the opposite side of the public mating part of the opposite side of female receiving unit of box element 58 and pin thread element 59, and, have definite distance.To serve 58b, 59b be arranged on female receiving unit and public mating part near, and, guarantee to have excellent sealing ability.
Above-mentioned auxiliary sealing device is not limited to said structure.Shown in figure 15, they can comprise a pair of rib 59c, and it has leg-of-mutton cross-sectional plane, and the flat part 58a of described a pair of rib 58c and box element 58 forms integral body, and, towards pin thread element 59 protrusions.And, a pair of rib 59c, it has leg-of-mutton cross-sectional plane, and the flat part 59a of described a pair of rib 59c and pin thread element 59 forms integral body, and, towards box element 58 protrusions.In this case; Belonging to box element 58 has the lower surface of the top end part of rib 58c to contact with the top end part lower surface that belongs to pin thread element 59 respectively; Thereby at linear fastener 55 residing sealing states; That is, pin thread element 59 and the state that box element 58 matches improve sealing property between flat part 58a and 59a.
The manufacturing approach of packaging bag of the Reclosable of an alternative embodiment of the invention is described below.
Manufacturing approach of the present invention comprises the step of the packing bag that the not bonded assembly of preparing to be used for packaging bag is main, and adjustment position and folding step cut off and bending step, form the step of linear fastener, heat seal step and the step of inserting the cover element.
Preparing not bonded assembly in execution mainly packs in the procedure of processing of bag; One end of the end that mono-membraneous material sheet 70f is relative is placed on the other end; Alongst, partly carry out heat seal, form heat sealing part 76 in the whole overlapping length of membraneous material sheet; Be prepared into not bonded assembly thus and mainly pack bag, shown in Figure 16 A with upper and lower opening.
In executing location adjustment and folding operation step; Rotate not bonded assembly along the circumferencial direction of packing bag and mainly pack bag; Therefore, above the inside edge of said heat sealing part 76 leave a lateral edges with predetermined distance ' ' d ' ', and folding should packing bag; Form flat form, shown in Figure 16 B.Described predetermined distance ' ' d ' ' is equal to 1/2nd of the lateral parts 60d width that overlaps element 60 basically, and said cover element 60 is inserted in the packing bag in the insertion procedure of processing of cover element, that is, and and the length shown in Figure 12 B " L ".
In cutting of heat row and bending machining step; After the completing place was provided with and folds procedure of processing, the upper end-face edge of mainly packing the opposed side edge of bag at bonded assembly not formed otch CL, the folding then top that connects main packing bag; Folded part is corresponding to the length of otch CL; Thus, be separated from each other and form the pair of curved part, shown in Figure 16 C.
In the forming process of carrying out linear fastener; The pair of curved of mainly packing bag partly is arranged in the molding equipment of linear fastener; Process through the plug-in type injection-molded; On the inside face of pair of curved part, form continuous being used to respectively and constitute the linearity button element that carries out linear fastener, remove the edge of opposite side in the linear button element.The forming work step of linear fastener is identical with the linear fastener forming step of embodiment shown in Fig. 2.Therefore, omit this a part of description.
In carrying out the heat seal procedure of processing; Width along packaging bag; The whole lower edge that connects main packing bag of heat seal forms heat sealing part 77, and the heat seal bonded assembly upper part of mainly packing the opposite side edge of bag not only; It is corresponding to otch CL, shown in Figure 16 D.Prepare main packing bag 74 by this way.
In the insertion procedure of processing of execution set element, cover element 60 is inserted in the main packing bag 74, shown in Figure 16 E.Identical in cover element 60 and Figure 11 and 12 illustrated embodiments, so repeat no more.
In carrying out the procedure of processing that changes cover element 60 shapes, cover element 60 is inserted in the main packing bag 74, form the three-dimensional dimension shape, shown in Figure 12 A, the shape that causes main packing bag 74 to keep shown in Figure 16 F thus.In this state, through the projection 60cx of the cover element 60 that curves inwardly, the tabs part 70a of 60dx and main packing bag 74,70b provides the packaging bag of self-standing type.Like Fig. 8, shown in 9 and 10,, packaging bag 70 changes of Reclosable are become the article of cubic shaped parallel, capable of stacking through the top that curved major will be packed bag 74.
As stated, in the process of the packaging bag 70 of moulding Reclosable by this way, rotate not bonded assembly along circumferencial direction and mainly pack bag; So that a lateral edges is left with the distance ' ' d ' ' of confirming, promptly in the inside edge of heat sealing part 76; The length of leaving " L " is shown in Figure 12 B.Therefore, can be provided with heat sealing part 76 be positioned at have parallel cubic shaped, reclosable bag pack 70 lateral edge near.So heat sealing part 76 becomes unessential part, thereby keep the packaging bag 70 of Reclosable to have smooth outward appearance.
When the improvement for the face shaping of packaging bag requires when not strict, in the described in the above manufacturing approach, can omit along the circumferencial direction of packaging bag and rotate the procedure of processing that bonded assembly is not mainly packed bag.When omitting this and rotate procedure of processing, heat sealing part is positioned at the side middle body of the packaging bag 70 with parallel, cubic shaped, Reclosable.
The another kind of method of the manufacturing reclosable bag pack of another embodiment among the present invention is described below.
The another kind of manufacturing approach of the present invention comprises the folding step of material piece, the step of cover element is set, cutting and bending step, the forming step of linear fastener and heat seal step.
In carrying out the folding processing steps of material piece, 80f is folded into two parts with mono-membraneous material sheet, and preparation has the not bonded assembly of last lower edge and mainly packs bag, and one of them lateral edges does not also link together.
Be provided with in the procedure of processing of cover element in execution, will overlap element 60 and be arranged on not bonded assembly and mainly pack bag, shown in Figure 17 A.By adhesives, for example thermal welding mode will be overlapped element 60 and is temporarily fixed to not bonded assembly and mainly pack bag.Identical in cover element 60 and Figure 11 and 12 illustrated embodiments.Therefore, omit this a part of description.
In carrying out cutting and bending machining step; The upper end of mainly packing a side of bag at bonded assembly not forms otch; The folding then top that does not connect main packing bag, the length of folded part is defined in the length of notch portion, so that it openly forms the pair of curved part each other.
In the process of the forming work step of carrying out linear fastener; Pair of curved partly is placed in the molding equipment of linear fastener; Through plug-in type injection-molded job operation; On the inside face of pair of curved part, the continuously shaped linearity button element that is used to constitute linear fastener is removed wherein opposed edges respectively.The forming step of linear fastener is same as the forming process of the linear fastener among the embodiment shown in Fig. 2.Therefore, this part content repeats no more.
In carrying out the heat seal procedure of processing,, carry out heat seal for the whole lower edge that does not connect main packing bag along the Width of packaging bag; Obtain the heat sealing part 87 of lower edge,, carry out heat seal for the opposite side edge integral body of main packing bag along the length direction of packaging bag; Newborn side heat sealing part 86 in addition, only carries out heat seal in the upper end that bonded assembly is not mainly packed a lateral edges of bag; Its corresponding and otch is shown in Figure 17 B.Bag 84 is mainly packed in preparation by this way.
To overlap element 60 and insert in the main packing bag 84, the alteration of form that overlaps element 60 will be become the three-dimensional dimension shape, shown in Figure 12 A, cause mainly packing the shape that bag 84 keeps shown in Figure 17 C thus.In this state, through the projection 60cx of the cover element 60 that curves inwardly, 60dx and main packing bag 84 can provide the packaging bag of self-standing type.Like Fig. 8, shown in 9 and 10,, packaging bag 80 changes of Reclosable are become the article of cubic shaped parallel, capable of stacking through the top that curved major will be packed bag 84.
For the packaging bag of making Reclosable; In the described in the above method; If adopt coextruded film or analogue as the membraneous material sheet; Have the heat seal performance in its facing surfaces, be easy to heat treatment, can avoid heat sealing part protruding through packaging bag to Reclosable with three-dimensional dimension shape.Therefore, the packaging bag for the Reclosable with three-dimensional dimension shape provides smooth outward appearance.In addition, can also prevent that the display state of packaging bag on retailer's displaying shelf is destroyed, and prevent, make packaging bag from showing that shelf fall because the heat sealing part of packaging bag and other packaging bags produce interference.
In the described in the above embodiments of the invention, the cover element has shape shown in Figure 12.The cover element is not limited only to shape recited above, and it can have Any shape, makes main packing bag keep predetermined shape.
The present invention also comprises the packaging bag of Reclosable, and it can improve the stacking performance of packaging bag.The packaging bag of said Reclosable has primary element, and it comprises main packing bag, and the packing bag has opening, at least one heat sealing part.Opening portion at main packing bag is provided with linear fastener.In main packing bag, also be provided with the cover element.The characteristic of the packaging bag of Reclosable is that main packing bag is folded into the three-dimensional dimension shape owing to be provided with the cover element, so that make packaging bag keep predetermined three-dimensional dimension shape.
So, in the described in the above reclosable bag pack of the present invention, do not resemble described in the top embodiments of the invention, be not always need linear fastener be set through the plug-in type injection system.Particularly, the linear fastener of moulding in advance can be arranged to the position of predetermined main packing bag through adhesives, in thermosealed process, perhaps in the process of other any suitable setting devices, carries out the heat bonding course of processing simultaneously.In this case, described in the embodiments of the invention of front, the opposed end that is preferably in linear fastener forms thin part, and/or constitutes crooked easily part with the same manner at bending position.When requiring for the improvement of packaging bag profile when not strict, the packaging bag of this Reclosable is not always to need these characteristics.
In the described in the above embodiment of the invention, each projection 60cx of cover element 60,60dx have and main function of packing the pig of bag 54,74,84, and its maintainance set element is in preposition in main packing bag 54,74,84.If mainly pack bag this function is arranged, so, just need not overlap the projection 60cx of element, 60dx.With respect to this point,, describe the packaging bag of the Reclosable of another embodiment of the present invention in detail with reference to following accompanying drawing 18 and 19.
The packaging bag 90 of Reclosable comprises main packing bag 94, linear fastener 95 and cover element 60M1.
Shown in figure 18; The opposed part 91 of the main packing bag 94 of the packaging bag 90 of Reclosable; 92 with heat sealing part 96 respectively corresponding to the opposed part 51,52 and heat sealing part 56 of the main packing bag 54 of the packaging bag 50 of Reclosable shown in Figure 11.Lower part at each heat sealing part 96 that provides is provided with stopper portions 96a.Shown in figure 18, stopper portions 96a is oppositely arranged, and consequently overlaps the relative bottom edge of element 60M1 and is seated on the stopper portions 96a.Shown in Figure 19 A, the width through the bottom that increases heat sealing part 96 is divided forms each stopper portions 96a.Stopper portions 96a has the function that in main packing bag 94 maintainance set element 60 is in the desired location, so that the lower part of main packing bag 94 is folded into shape shown in Figure 8 easily.Therefore, cover element 60M1 does not resemble top said cover element 60, does not have projection.
Shown in figure 18, preferably stop bottom is divided 96a moulding on heat sealing part 96 separately.But, can on any one heat sealing part 96, form the mono-stopper portions.Shown in Figure 19 B, can form stopper portions 96 through the part width that increases heat sealing part 96 lower parts, so that form little projection 96b.Adopt and same way as recited above, the packaging bag 90 of Reclosable is folded into shape shown in Figure 8.
Shown in figure 20, wherein described to overlap as shown in Figure 18 the form 60M2 that element 60M1 revises.Through the cover element 60M2 that modification have a pair of can crooked reinforcement tabs 60cy, 60dy.Particularly, cover element 60M2 comprises a pair of mutual opposed previous section 60a and aft section 60b and a pair of lateral parts 60c, 60d.Strengthen tabs 60cy, 60dy and the lateral parts 60c that overlaps element, the upper limb of 60d forms integral body, and upwards stretches out.Shown in Figure 20 A, cover element 60M2 is folded into flat pattern.Through launching lateral parts 60C, 60D becomes cubic shaped with the cover element 60M2 change that is folded into this flat pattern.Strengthen tabs 60cy, 60dy can curve inwardly, shown in Figure 20 B, so that increase the intensity of the cover element 60M2 that launches.Best, respectively at lateral parts 60c, 60d is provided with and strengthens tabs 60cy, 60dy.But, can be at lateral parts 60c, one of 60d is provided with independent reinforcement tabs.
Accompanying drawing 21 has been described the form 60M3 of the another kind variation of the said cover element of Figure 20 60M2.Cover element 60M3 is except having the cover 60dy that can separate, and other structures are identical with cover element 60M2.Element for same structure adopts identical code name to represent, and omits the description to this part element.Shown in Figure 20 B,, constitute cover 60dy through increasing the length of strengthening tabs 60dy.The length of cover 60dy is substantially equal to the width of previous section 60a.Cover 60y can rotate, and strengthens on the tabs 60cy, shown in Figure 21 B so that the top of cover 60dy can be placed on.This structure can further increase cover element 60M3 operator degree of expansion.The connecting bridge of cover 60dy and lateral parts 60d is provided with perforation line, so that separate cover 60dy on the part 60d from the side easily.On cover 60dy, be provided with finger-hole 60dya, 60dyb, being convenient to from the side, part 60d goes up separately cover 60dy.
A kind of cap member can be provided, and it can separate moulding with the cover element, and has the inverted U-shaped shape so that can insert in the cover element, thereby replace recited above can disclosed cover 60dy.
Make the method for embodiment of the packaging bag of Reclosable in above-mentioned being used for, shown in figure 22, by aduncate tabs part 70a, 70b constitutes the bottom of the packaging bag of the Reclosable with capable of stacking, parallel, cubic shaped.Supply with film with analogue during as the membraneous material sheet when employing has the heat seal performance, carry out heat treatment easily through the bottom to the packaging bag of Reclosable, can avoid tabs partly to 70a, 70b stretches out downwards.
Accompanying drawing 23 and 24 has been described the forming method that the another kind of bottom of the packaging bag 100 of Reclosable is revised.This forming method through modification comprises the tabs part 100a for main packing bag 104, and 100b carries out the heat seal processing steps, and the step of excising the top of above-mentioned part.
Particularly, the tabs part 100a of main packing bag 104 is set in the substrate 111, and heat seal head 110 is pressed on the tabs part 100a, thereby carries out heat seal processing.Adopt the same manner, carry out heat seal processing for another piece tabs part 100b of main packing bag 104.Shown in Figure 23 B, prepare heat seal tabs part 100a by this way, 100b.Then, shown in Figure 24 A, excision heat seal tabs part 100a, the top end part of 100b forms little tabs 100ax, 100bx.Accompanying drawing 24B has described the shape of the packaging bag 100 of Reclosable, the alteration of form of this packaging bag is become parallel cube shaped.In accompanying drawing 24B, the last tabs part of the packaging bag 100 of code name " 100x, 100y " expression Reclosable, it keeps folded state.In the packaging bag 100 of this Reclosable, without any need for the step that inwardly folds tabs as shown in Figure 10.In addition, little tabs 100ax, 100bx have improved the self-standing performance of packaging bag 100.But, little tabs 100ax, 100bx, shown in figure 10 inwardly folding.
In the described in the above embodiments of the invention, linear fastener can have sliding part, and said sliding part can move along linear fastener, so that open and seal the opening portion of main packing bag.The cover element can have at least one part through suitable connecting device, adhesives for example, and heat seal or similar mode are connected with main packing bag.The shape of the ridge of cover element is not limited only to triangular shaped, and trapezoidal shape can be arranged.
Said according in the present invention through the processing of plug-in type injection-molded, is provided with linear fastener along the opening portion of main packing bag, makes linear fastener not extend to heat sealing part.Therefore, can shorten the process-cycle, improve processing characteristics.
When main packing bag comprises the cover element,, can at an easy rate main packaging bag structural reform be become suitable three-dimensional dimension shape so that when keeping main packing bag to have predetermined shape.In addition, can also give suitable intensity for main packing bag, so that support enough stacking load with three-dimensional dimension shape.
The part of easy bending is set on linear fastener, so that folding easily main packing bag, thereby can prevent the outer outwardly directed phenomenon of sweep business, therefore the main packing bag of the three-dimensional dimension shape with smooth profile is provided.
Claims (10)
1. the packaging bag of a Reclosable, it comprises:
Main packing bag, it has opening portion at upside, and said main packing bag is made up of a pair of relative pleated sheet;
Linear fastener, it is arranged on the opening portion of said main packing bag, and to extend in the horizontal direction, said linear fastener has predetermined length; And
The cover element; It is being arranged in the said main packing bag under smooth state that subsides usually; Under this state, the whole outer surface of said cover element contacts with the inside face of said main packing bag, and said cover element is formed in the said main packing bag not folding; Make the cover element and mainly pack bag mobile between smooth state that subsides and the swelling state usually; This swelling state is limited cover element and said main packaging bag body bulk in the main packing bag, and at the outside face that overlaps element with mainly pack and keep contact between the inside face of bag, said cover element has basic open bottom under swelling state.
2. according to the packaging bag of the described Reclosable of claim 1, it is characterized in that: said cover element has:
(i) has the first surface part of rectangular shape;
(ii) second surface part, it is towards the first surface part and have the shape and size identical with the first surface part;
(iii) the 3rd surface portion, it is connected to each other with respective side edges on a side of said first surface partial sum second surface part, and has rectangular shape;
(iv) the 4th surface portion, it is connected to each other with respective side edges on the opposite side of said first surface partial sum second surface part, and has and the identical rectangular shape of said the 3rd surface portion.
3. according to the packaging bag of the described Reclosable of claim 2, it is characterized in that:
Each of said the 3rd surface portion and the 4th surface portion is along the vertical center line folded in half; Make said vertical center line under the collapsed mode of said cover element, outwards protrude from the lateral edges of said first surface partial sum second surface part, under the swelling state of said cover element between the respective side edges of said first surface partial sum second surface part.
4. according to the packaging bag of the described Reclosable of claim 3, it is characterized in that:
Under the collapsed mode of said cover element, the horizontal throw between the vertical center line of the vertical center line of the 3rd surface portion and the 4th surface portion, the predetermined length with said linear fastener is identical basically.
5. according to the packaging bag of the described Reclosable of claim 1, it is characterized in that:
Said cover element sticks on the inside face of said main packing bag.
6. method of making the packaging bag of Reclosable, it comprises:
Main packing bag is provided, and it has opening portion at upside, and said main packing bag is made up of a pair of relative pleated sheet;
Linear fastener is provided, and it is arranged on the opening portion of said main packing bag, and to extend in the horizontal direction, said linear fastener has predetermined length; And
The cover element is provided; It is being arranged in the described main packing bag under smooth state that subsides usually, and under this state, the whole outer surface of said cover element contacts with the inside face of said main packing bag; Said cover element is formed in the said main packing bag not folding; Make the cover element and mainly pack bag and usually moving between smooth state that subsides and the swelling state, this swelling state is limited cover element and said main packaging bag body bulk in the main packing bag, and at the outside face that overlaps element with mainly pack and keep contact between the inside face of bag; Said cover element has basic open bottom under swelling state
Make said cover element be positioned mainly to pack in the bag.
7. according to the described method of claim 6, it is characterized in that:
Also comprise said cover element had:
(i) has the first surface part of rectangular shape;
(ii) second surface part, it is towards the first surface part and have the shape and size identical with the first surface part;
(iii) the 3rd surface portion, it is connected to each other with respective side edges on a side of said first surface partial sum second surface part, and has rectangular shape;
(iv) the 4th surface portion, it is connected to each other with respective side edges on the opposite side of said first surface partial sum second surface part, and has and the identical rectangular shape of said the 3rd surface portion.
8. according to the described method of claim 7, it is characterized in that:
Each of said the 3rd surface portion and the 4th surface portion is along the vertical center line folded in half; Make said vertical center line under the collapsed mode of said cover element, outwards protrude from the lateral edges of said first surface partial sum second surface part, under the swelling state of said cover element between the respective side edges of said first surface partial sum second surface part.
9. according to the described method of claim 8, it is characterized in that:
Under the collapsed mode of said cover element, the horizontal throw between the vertical center line of the vertical center line of the 3rd surface portion and the 4th surface portion, the predetermined length with said linear fastener is identical basically.
10. according to the described method of claim 7, it is characterized in that: said cover element sticks on the inside face of said main packing bag.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000-61526 | 2000-03-07 | ||
| JP2000061526 | 2000-03-07 | ||
| JP2000217073A JP4194229B2 (en) | 2000-03-07 | 2000-07-18 | Reclosable packaging bag and manufacturing method thereof |
| JP2000-217073 | 2000-07-18 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01117241.XA Division CN1316371B (en) | 2000-03-07 | 2001-03-07 | Packing bag capable of reclosing and method for making the packing bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101279655A CN101279655A (en) | 2008-10-08 |
| CN101279655B true CN101279655B (en) | 2012-03-28 |
Family
ID=18581655
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100952023A Expired - Fee Related CN101279655B (en) | 2000-03-07 | 2001-03-07 | Reclosable packaging bag and method for manufacturing same |
| CNA2007101966989A Pending CN101229858A (en) | 2000-03-07 | 2001-03-07 | Reclosable packaging bag and method for manufacturing same |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101966989A Pending CN101229858A (en) | 2000-03-07 | 2001-03-07 | Reclosable packaging bag and method for manufacturing same |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN101279655B (en) |
| ZA (1) | ZA200101705B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104291003A (en) * | 2014-10-17 | 2015-01-21 | 大连竹菱包装工业有限公司 | Organ zipper packaging bag |
| CN105015934A (en) * | 2015-07-07 | 2015-11-04 | 张少康 | Environment-friendly inflating air cushion for packaging and manufacturing method thereof |
| CA2941179A1 (en) * | 2016-09-06 | 2018-03-06 | Cookina Holdings Inc. | Closable cooking pouch |
| CN106739165B (en) * | 2016-12-30 | 2018-08-10 | 重庆鼎盛印务股份有限公司 | Plastic bag sealing item reversely installs equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5165568A (en) * | 1991-11-29 | 1992-11-24 | Rock-Tenn Company | Container with external resealing bag |
| US5384942A (en) * | 1989-11-07 | 1995-01-31 | Minigrip, Inc. | Closure device for bags and a method and a tool for producing same |
| US5398387A (en) * | 1992-10-16 | 1995-03-21 | Minnesota Mining And Manufacturing Company | Interengaging fastener member and fastener having same |
| US5415904A (en) * | 1992-04-17 | 1995-05-16 | Idemitsu Petrochemical Co., Ltd. | Snap fastener and packaging bag with the same |
| US5461845A (en) * | 1992-10-26 | 1995-10-31 | Yeager; James W. | Zippered film and bag |
-
2001
- 2001-02-28 ZA ZA200101705A patent/ZA200101705B/en unknown
- 2001-03-07 CN CN2008100952023A patent/CN101279655B/en not_active Expired - Fee Related
- 2001-03-07 CN CNA2007101966989A patent/CN101229858A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5384942A (en) * | 1989-11-07 | 1995-01-31 | Minigrip, Inc. | Closure device for bags and a method and a tool for producing same |
| US5165568A (en) * | 1991-11-29 | 1992-11-24 | Rock-Tenn Company | Container with external resealing bag |
| US5415904A (en) * | 1992-04-17 | 1995-05-16 | Idemitsu Petrochemical Co., Ltd. | Snap fastener and packaging bag with the same |
| US5398387A (en) * | 1992-10-16 | 1995-03-21 | Minnesota Mining And Manufacturing Company | Interengaging fastener member and fastener having same |
| US5461845A (en) * | 1992-10-26 | 1995-10-31 | Yeager; James W. | Zippered film and bag |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA200101705B (en) | 2001-08-30 |
| CN101229858A (en) | 2008-07-30 |
| CN101279655A (en) | 2008-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1316371B (en) | Packing bag capable of reclosing and method for making the packing bag | |
| EP1250999B1 (en) | Method of manufacturing a gusset bag | |
| US20050084186A1 (en) | Tubular bag | |
| JPH04239442A (en) | Case made of thin plate and manufacturing device thereof | |
| JP2012522690A (en) | Improved container | |
| CN107912033A (en) | In particular for food including measurer organ type packaging bag | |
| WO1998018678A1 (en) | Process for the production of a hermetic recloseable package of flexible material | |
| GB2341846A (en) | Cutout for a cigarette package | |
| US4715493A (en) | Composite package for a group of containers | |
| US5421456A (en) | Video case and method of manufacturing | |
| CN101365627A (en) | Comestible product dispensers and methods of making and using same | |
| CN101279655B (en) | Reclosable packaging bag and method for manufacturing same | |
| JP2007119076A (en) | Packaging bag | |
| US3358900A (en) | Packaging | |
| CA2428942A1 (en) | Flexible package having slider closure | |
| KR20060120709A (en) | A package with pilfer proof assembly | |
| CN101098816A (en) | Collapsible shopping bag with closed end formed by overlapping interlocking portions | |
| JP4292880B2 (en) | Columnar paper container | |
| CA1158209A (en) | Container with a stiffened bottom, and methods for producing the same | |
| CN110002077A (en) | A kind of buffering package and assemble method | |
| CN219447601U (en) | Integrated multi-face split pentahedral structure gift box | |
| KR200217069Y1 (en) | A Food Packing Bag | |
| JP2003191963A5 (en) | ||
| JPH0255293B2 (en) | ||
| CA1132112A (en) | Package and a method for producing same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20190307 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |