CN1248951A - Lid of container for beverages - Google Patents
Lid of container for beverages Download PDFInfo
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- CN1248951A CN1248951A CN 97182079 CN97182079A CN1248951A CN 1248951 A CN1248951 A CN 1248951A CN 97182079 CN97182079 CN 97182079 CN 97182079 A CN97182079 A CN 97182079A CN 1248951 A CN1248951 A CN 1248951A
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- lid
- cover
- opening
- container
- container cover
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Abstract
A beverage container lid includes a lid body and a pull cap that are both made of thermoplastic resin. The lid body is provided with an opening for discharging contents from the container when the lid is mounted on a beverage container. The pull cap includes a cap portion and a pull tap portion that are connected to one another. The lid body is made from a laminate that includes an easy-peel layer and a gas-barrier layer. The easy-peel layer forms an outermost layer of the lid body. The opening in the lid body is covered with a gas-barrier film and the film is bonded to the peripheral portion of the lid body surrounding the opening. The lower surface of the peripheral portion of the cap portion is removably attached to the upper surface of the lid body through the gas-barrier film.
Description
Invention field
The present invention relates generally to container cover structure, particularly, relate to the container cover structure that is used for drinking container, it comprises and being unlocked, so that beverage or discharge content, and then closed container again.
Background of invention
The conventional container that is used for packaged beverage has such structure, that is, the upper end that container is opened is covered or sealing by container cover.In such drinking container, be sterilized sterilization at internal tank, under germ-free condition, in container, fill beverage.
The container cover of the known container that is used for the above-mentioned type generally has several forms.The strippable closed type container cover of a kind of what is called (hereinafter being called diaphragm type), it is made by sheet material, described sheet material comprises PET (polyethylene terephthalate) film of stretching, its surface at the aluminium foil bed of material forms lamination, peel ply is arranged on a side of container cover easily, and container cover and container are in contact with one another.The upper end open place of container is installed and covered to container cover, and by the heating and melting location that is adhesively fixed.
The form of another kind of container cover relates to sheet material, the upper end open of its covering container, and be provided with opening, thus as the hole of drinking or discharging content.Container cover has the pulling-on piece that covers opening, and described pulling-on piece is formed by small pieces PET (polyethylene terephthalate) and aluminium foil with easy peel ply.
Different container cover structures is the container cover of being made by the aluminium foil that draws moulding.
The container cover of another kind of type relates to the preparation container cover, and it inserts the injection molding moulding by what is called, wherein, aluminium foil is inserted into mould in advance, at the surface coverage PE of aluminium foil (polyethylene), in the aluminium foil of container cover, have the shedding motion that needs, described container cover is by the inserted mode system moulding.
The container cover of conventional above-mentioned form has number of drawbacks or shortcoming.For example, in described diaphragm type container cover, the sealing intensity between container cover and container must be enough high, so that during conveying products, is enough to stand various mode of transport.On the other hand, need take off container cover from container, the intensity of opening should be enough little, so that easy openable container.But, make above-mentioned two kinds of needs reach equilibrium phase when difficulty.
And because after taking out container cover from container, the opening of formation is quite big, is running under the unforeseen circumstances, and beverage spills easily, and for example, in walking, the beverage in the drinking container makes beverage discharge from container easily.
Have under the situation of pulling-on piece at the said vesse lid, the problems referred to above generally generally do not relate to the diaphragm type container cover.But because pulling-on piece is made by the diaphragm type sheet material, container cover can not provide special quality profile or outward appearance, but but offers the user, and container is stamped quite the impression of " cheap profile ".
The defective that the aluminium foil of drawing moulding has in the said vesse lid is that cost is quite expensive.
The container cover of above-mentioned last type has capacity for air resistance, and still, it still exists problem.Because it is quite complicated to adopt polyethylene to cover aluminium foil, and container cover is easy to be stripped from.
Above-mentioned most of conventional container cover is removed, and, separate with drinking container, open container subsequently, produced the handling problems of container cover thus.Even when openable container covers, do not take off from container under the situation of container cover, in the prior art, the container that is unlocked can not be sealed again.
Summary of the invention
The objective of the invention is to the approach seeking to address the above problem.The purpose of this invention is to provide a kind of container cover that is used for drinking container, it can be in the process of conveying products, bear various mode of transport, this container cover is opened easily, and container cover has good capacity for air resistance, has high-grade face shaping, and in a single day container is unlocked, and container can be sealed again, this container is suitable under germ-free condition beverage being filled in the container.
According to the present invention, provide a kind of moulding to be fixed to the container cover of the upper end open of drinking container, it is made by thermoplastic resin material.This container cover comprises lid and the La Gai that is made by thermoplastic base resin.Lid has opening, so that discharge content from container.Draw lid to comprise cover, it is arranged on the opening of lid.Also comprise the pulling-on piece part, itself and cover link together.Described lid is made by lamination, and it comprises easy peel ply and barrier layer for gases.Peel ply is positioned at the outermost layer of lid easily.The opening of described lid is coated with gas barrier film, and described film is fixed on the peripheral part of encirclement opening of lid.Described cover has lower surface, and it is in the face of the upper surface of lid.The lower surface of cover is in discerptible mode, by gas barrier film, is fixed on the periphery of opening of the upper surface of container cover.
According to another aspect of the present invention, a kind of beverage can lid is provided, it comprises lid and La Gai.Described lid is provided with opening, can discharge content by this opening.Described lid has periphery, and its contour shape is fit to container cover is installed to the upper open end of container.The described lid that draws comprises cover and pulling-on piece part, and it interconnects.Gas barrier film is sealed to the upper surface of lid, and extends across the opening of lid, so that the sealing opening.The lower surface of cover can be dividually be fixed on the gas barrier film along the periphery of cover, when drawing lid to separate with lid with box lunch, and the gas barrier film of branch open covering opening, thus open opening in the lid.
Brief description of the drawings
To be well understood to additional detailed structure of the present invention and feature more with reference to the accompanying drawings, components identical is represented by identical code name in the accompanying drawings, wherein:
Fig. 1 is the exploded perspective view of the container cover of the expression embodiment of the invention, wherein container cover is fixed to the upper end of the unlatching of drinking container;
Fig. 2 is the cutaway view of the container cover shown in the 2-2 line in Fig. 1, and wherein container cover is fixed to the top of container;
Fig. 3 is the cutaway view that amplify the part of container cover shown in Figure 2;
Fig. 4 is the cutaway view of container cover shown in Figure 2, and it is illustrated in after container is opened, and draws lid to insert and is installed in the opening of lid closed and sealed again container.
Detailed description to invention
With reference to Fig. 1, according to the present invention, container 40 has upper shed 41, and container cover 1 of the present invention wherein is installed, so that form the container of drinks.Container cover 1 is two chip architectures, and it comprises drawing and covers 20 and lid 10.Lid 10 is provided with opening 11, and described opening 11 is as the beverage hole.The shape of opening 11 is unrestricted, and it is sector structure in accompanying drawing 1, and still, opening 11 can have the shape of any needs.As shown in Figure 2, be provided with flange 12 in the neighboring of lid 10, it forms to contact to install with the upper part 42 of container 40 and cooperates, so that the upper end of the unlatching of container is installed and be fixed on to container cover 1.As shown in Figure 3, gas barrier film 15 is sealed in the upper surface of lid 10, and it surrounds opening at the peripheral part of lid 10.Therefore, gas barrier film 15 extends across the opening in the lid 10 11, covers and sealed open 11.
Draw and cover 20 and comprise cover 21 and pulling-on piece part 22, they form complete one.Draw and cover 20 cover 21 and have peripheral shape corresponding to the opening in the lid 10 11 usually, so that after container is unlocked, as shown in Figure 4, cover 20 when turning upside down when drawing, cover 20 can be installed in the opening 11.Thus, the shape of cover 21 can only have been represented the shape of embodiment in the accompanying drawings along with the alteration of form of the opening in the lid 10 11.
In described embodiment, cover 21 forms the triangle truncated cone, has the end of less cover, that is, the upper end as shown in Fig. 2 and 3, the size of described upper end is less than the size of lid 10 split sheds 11.The cover 21 of truncated cone is along its short transverse, and the size of neighboring increases gradually, so that the maximum outside dimension of cover 21 is equal to or greater than the size of lid 10 split sheds 11.This just allows cover 21 quite closely to be installed in the opening 11 of lid, as shown in Figure 4.Consequently, in case container is opened, container cover can be sealed again, can not spray with the content in the Bedpan.
In described embodiment, pulling-on piece part 22 is connected to cover 21, so that pulling-on piece part 22 is inclined upwardly with respect to cover 22.So pulling-on piece part 22 can easily be pinched or grasping, so that open container.But, pulling-on piece part 22 can positioned parallel in the upper surface 13 of lid 10, perhaps contact easy peel ply, peel ply is positioned at the top of lid 10 in the accompanying drawings.In addition, pulling-on piece part 22 acclivitous angles can be greater than the angle shown in the accompanying drawing.
Because the projection of pulling-on piece part 22 is no more than the upper surface of flange 12, during carrying or carrying, pulling-on piece part 22 can not be caught by some object.Therefore, container cover can not opened by accident, and content can be by unconscious discharge yet.In addition, this structure can not prevent from a plurality of containers are contained in the corrugated case, can not influence container is placed on the performance of showing in the show window yet.
The connection of the peripheral part 14 by lid, make lid 10 and La Gai 20 form whole or link together, described peripheral part 14 surrounds openings 11 and is positioned at and draws the lower surface that covers 20 peripheral part 23, it is by gas barrier film 15, peripheral part 14 along opening 11, cover the upper surface of lid, as shown in Figure 3.Particularly, gas barrier film 15 round opening 11, is sealed on the outside face of lid 10 in the zone of lid 10, and simultaneously, the lower surface of the peripheral part 23 of cover 21 is sealed on the gas barrier film 15.Therefore shown in Fig. 2 and 3, gas barrier film 15 is set at and draws between the upper surface that covers 20 lower surface and lid 10.Connect by melt bonded or the bonding formation of binder.But, in described embodiment, preferably form connection by melt bonded.
The polyolefin that may adopt comprises polyethylene (PE), for example, low density polyethylene (LDPE), medium density polyethylene, high density polyethylene (HDPE), linear low density polyethylene, polypropylene, for example Noblen, ethylene-propylene randomcopolymer, Ethylene-Propylene Block Copolymer or the like, Polybutene-1, polyhexene-1 and polymethylpentene-1.These polyolefin can use separately or two or three be used in combination.
In said polyolefins, preferably adopt polyethylene, polypropylene or their compound.
Be appreciated that in the described in the above basic structure, can obtain the form of multiple variation.For example in one embodiment binder layer or other materials layer can be set between the above-mentioned material layer.Also have basic unit or other materials layer also can to constitute by the material of multiple-structure.Described this other materials layer can be the so-called particle layer that is formed by the resin material that uses, the not moulding in the lid molding process of this particle layer.
Because peel ply is arranged on the superiors or the outside face of lid 10 easily, can adopt multiple film.For example they comprise the SANSEAL product of being produced by SAN-EI CHEMICAL CO.LTD., the MAGIC TOP product that IDEMITSU PETIOCHEMICAL INC produces, perhaps the VMX product of being produced by MITSUBISHI CHEMICAL CO.LTD..The thickness of peel ply can be 100 microns or thinner easily.
Gas barrier film constitutes the part of lid 10, and it is preferably made by the material with capacity for air resistance, particularly adopts the material with oxygen barrier performance.This material can comprise ethylene-vinyl alcohol copolymer (EVOH), polyvinylidene chloride or other materials.Preferably adopt ethylene-vinyl alcohol copolymer.The thickness of gas barrier film can be 100 microns or thinner.
As mentioned above, be coated with gas barrier film 15 on the opening 11, described gas barrier film 15 is sealed to the upper surface of lid 10.This film 15 can be made by the material that is same as lid 10.Can adopt above-mentioned material to make film 15.In addition, lamination can be made by two-layer or multilayer material, and one of described other materials can be above-mentioned thermoplastic resin material.
In use significant especially advantage is, as gas barrier film 15, it has rhythmo structure, and wherein the material layer of upper surface 13 in the lamination, contact lid 10 or part are the thermoplastic base resin identical materials layers with lid 10.In the lamination is to cover 20 thermoplastic base resin identical materials layer with drawing with material layer that draws the lower surface that covers 20 peripheral part 23 to contact or part.By this way, the above-mentioned material layer can be easily respectively with the structure of container cover 1 of the present invention in each melt surface bonding.This film among the described embodiment has lamination: polypropylene/ethylene-ethenol copolymer/polypropylene (PP/EVOH/PP).Can select, the binder layer is set between these resin material layers.
In can material from above, select the thermoplastic base resin manufacturing to draw and cover 20.Described thermoplastic base resin can be the material identical or inequality with the basic unit of lid 10.Best, the base material of the hardness ratio lid 10 of the thermoplastic base resin of use is soft.By this way, easy deformation is covered in drawing of acquisition, makes cover 21 insert and be installed in the opening 11 easily, so that sealed open 11, and good clamping and positioning performance is provided.
The preferably irregular polyolefin of this soft thermoplastic base resin, especially atactic polypropylene or unbodied polypropylene.
When beverage is filled in the container 40, and when adopting container cover 1 closed container, guarantee that by the gas barrier film 15 that covers opening 11 in the lid 10 container cover 1 have enough capacity for air resistance.It combines with the capacity for air resistance that self base material of container 40 has, and this structure can be protected liquid food, can also prevent food spoilage and prevent that extraneous smell from producing harmful effect to liquid food simultaneously.
Generally, be filled with the container of content by in the different channel arrival ultimate consumer hands.What final customer was concerned about is that by upwards drawing back pulling-on piece part 22, openable container is drunk content easily.Owing to adopt above-mentioned easy release liner layer to make the superiors of lid 10, draw and cover 20 modes to separate easily, link together with gas barrier film 15.Therefore, can open opening 11 fully, allow to drink or pour out content.Gas barrier film 15 remains fixed in to draw and covers on 20 the cover 21, as shown in Figure 4.
When the content in the container can not be emptied completely, draw and cover 20 and can turn upside down from the original fixed state, then, cover 21 is inserted openings 11.Liquid food by this way, seals opening 11 again, so that can temporarily store by this way.
The present invention has advantage in many aspects.On the one hand, the structure of container cover has enough intensity, so that in course of conveying, bears various mode of transport, and has good capacity for air resistance.Also have,, cover 20 cover 21 atmosphere gas block films 15 by drawing because gas barrier film 15 covers between 20 the cover 21 and cover outer surface drawing.Therefore, gas barrier film 15 can not be exposed, and is not easy to be penetrated or unexpected the unlatching by accident.So gas barrier film 15 does not need enough mechanical strengths, and, can make quite thinly.In addition, only, destroy or stripping film, open container, only need very little application force by the bonding gas barrier film of peripheral part of the encirclement opening of lid 10.
By the going up most or easy peel ply that outside face forms of lid 10, can easily open container.In addition, the content in container is not used fully, or during emptying from container, and that can adopt taking-up draws the lid opening of closed container lid more well, thereby can easily store the residue beverage, and transport box.
And, after having drunk beverage, in the time of abandoning container, can insert and be installed in the opening by the lid that draws that will from opening, take out, make container and La Gai form one.The present invention be advantageous in that container cover has the special quality profile, and after filling beverage, easily sterilizing containers is sterilized.
More than describe principle of the present invention, preferred embodiment and operating mode in detail.But the claimed content of the present invention is not limited to above-mentioned preferred embodiment.In addition, described herein embodiment only describes, rather than restriction the present invention.Under the condition that does not break away from the present invention's design,, can also obtain many forms through modifications and variations by other embodiment or employing equivalent.Therefore, all that through the form of modification, variation and equivalent, all is included in claims of the present invention in the scope of the invention and the design.
Claims (18)
1. container cover that is fixed to the open end of drinking container, it comprises lid and La Gai, they are made by thermoplastic resin material, lid has opening, so that discharge content from container, draw lid to comprise cover, it is arranged on the opening of lid, also comprises the pulling-on piece part, and itself and cover link together, described lid is made by lamination, it comprises easy peel ply and barrier layer for gases, and peel ply is positioned at the outermost layer of lid easily, and the opening of described lid is coated with gas barrier film, described film is fixed on the peripheral part of encirclement opening of lid, described cover has lower surface, and it is in the face of the upper surface of lid, and cover has peripheral part, the lower surface of the peripheral part of cover is fixed on the upper surface of lid in discerptible mode by gas barrier film.
2. according to the described container cover of claim 1, it is characterized in that: thermoplastic base resin is a polyolefin.
3. according to the described container cover of claim 1, it is characterized in that: gas barrier film is the film that comprises ethylene-vinyl alcohol.
4. according to the described container cover of claim 2, it is characterized in that: gas barrier film is the film that comprises ethylene-vinyl alcohol.
5. according to the described container cover of claim 1, it is characterized in that: draw lid to make by the soft material of hardness ratio lid.
6. according to the described container cover of claim 5, it is characterized in that: draw lid to make by atactic polyolefin.
7. according to the described container cover of claim 1, it is characterized in that: described cover has such contour shape, and its neighboring size increases gradually, so that after cover and lid separate, open the opening in the lid, cover can be put upside down and it is positioned in the opening of lid, to seal opening again.
8. according to the described container cover of claim 1, it is characterized in that: on the neighboring of lid, be provided with flange, so that container cover is installed to the open end of container.
9. according to the described container cover of claim 1, it is characterized in that: draw the cover blanketing gas block film of lid, described gas barrier film extends across the opening of lid.
10. beverage can lid, it comprises lid and La Gai, described lid is provided with opening, can discharge content by this opening, described lid has periphery, its contour shape is fit to container cover is installed to the upper open end of container, the described lid that draws comprises cover and pulling-on piece part, it interconnects, and described lid has upper surface, and gas barrier film is sealed to the upper surface of lid, and the opening across lid extends, so that the sealing opening, described cover has peripheral part and lower surface, and described lower surface is in the face of the upper surface of lid, the lower surface of cover can be dividually be fixed on the gas barrier film along the periphery of cover, when drawing lid to separate, divide the gas barrier film of open covering opening, thereby open the opening in the lid with lid with box lunch.
11. according to the described container cover of claim 10, it is characterized in that: described lid has periphery, is provided with flange on described periphery, so that container cover is installed to the upper end of the unlatching of container.
12. according to the described container cover of claim 10, it is characterized in that: lid is made by laminated material, the easy peel ply that its outermost layer that is included in lid forms,
13. according to the described container cover of claim 10, it is characterized in that: thermoplastic base resin is a polyolefin.
14. according to the described container cover of claim 10, it is characterized in that: gas barrier film is the film that comprises ethylene-vinyl alcohol.
15. according to the described container cover of claim 10, it is characterized in that: pulling-on piece is made by the soft material of hardness ratio lid.
16. according to the described container cover of claim 15, it is characterized in that: pulling-on piece is made by atactic polyolefin.
17. according to the described container cover of claim 10, it is characterized in that: described cover has such structure outline, promptly, its neighboring size increases gradually, so that after cover and lid separate, open the opening on the lid, cover can be put upside down and it is positioned in the opening of lid, thus sealed open again.
18. according to the described container cover of claim 10, it is characterized in that: the described cover blanketing gas block film that draws lid, gas barrier film extends across the opening of lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97182079A CN1078559C (en) | 1997-01-31 | 1997-01-31 | Lid of container for beverages |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97182079A CN1078559C (en) | 1997-01-31 | 1997-01-31 | Lid of container for beverages |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1248951A true CN1248951A (en) | 2000-03-29 |
| CN1078559C CN1078559C (en) | 2002-01-30 |
Family
ID=5178281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97182079A Expired - Fee Related CN1078559C (en) | 1997-01-31 | 1997-01-31 | Lid of container for beverages |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1078559C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910341A (en) * | 2012-08-28 | 2013-02-06 | 李红彪 | Pop can convenient for drinking |
| CN103213743A (en) * | 2013-05-10 | 2013-07-24 | 镇江市丹徒区茗缘茶叶专业合作社 | Sealing cover of tea caddy |
| WO2014008763A1 (en) * | 2012-07-13 | 2014-01-16 | 浙江诚信包装材料有限公司 | Tin can closure structure and process for processing same |
| US8881938B2 (en) | 2012-08-08 | 2014-11-11 | Harl-Bella Holdings, Llc | Lid for beverage container |
| USD736623S1 (en) | 2013-08-08 | 2015-08-18 | Harl-Bella Holdings, Llc | Lid with egg shaped basin |
| USD737142S1 (en) | 2013-08-08 | 2015-08-25 | Harl-Bella Holdings, Llc | Lid with triangular shaped basin |
| USD739729S1 (en) | 2013-08-08 | 2015-09-29 | Harl-Bella Holdings, Llc | Lid for beverage container |
| USD756773S1 (en) | 2013-08-08 | 2016-05-24 | Harl-Bella Holdings, Llc | Lid with tear line |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3990603A (en) * | 1975-12-09 | 1976-11-09 | Minnesota Mining And Manufacturing Company | Easy open closure system |
| US4595114A (en) * | 1985-04-26 | 1986-06-17 | Minnesota Mining And Manufacturing Company | Tape closure for a can end |
| DE3622795A1 (en) * | 1986-07-07 | 1988-01-21 | Bosch Gmbh Robert | OPENING DEVICE ON A PACKAGING CONTAINER |
| JPH01308743A (en) * | 1988-05-30 | 1989-12-13 | Showa Denko Kk | Lid of can container |
| US4948008A (en) * | 1989-08-28 | 1990-08-14 | Wu Jaw Shyong | Can end having a pull tab connected to a pull-up member which can be used as a plug |
-
1997
- 1997-01-31 CN CN97182079A patent/CN1078559C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014008763A1 (en) * | 2012-07-13 | 2014-01-16 | 浙江诚信包装材料有限公司 | Tin can closure structure and process for processing same |
| US8881938B2 (en) | 2012-08-08 | 2014-11-11 | Harl-Bella Holdings, Llc | Lid for beverage container |
| US10676253B2 (en) | 2012-08-08 | 2020-06-09 | Harl-Bella Holdings, Llc | Lid for beverage container |
| CN102910341A (en) * | 2012-08-28 | 2013-02-06 | 李红彪 | Pop can convenient for drinking |
| CN103213743A (en) * | 2013-05-10 | 2013-07-24 | 镇江市丹徒区茗缘茶叶专业合作社 | Sealing cover of tea caddy |
| USD736623S1 (en) | 2013-08-08 | 2015-08-18 | Harl-Bella Holdings, Llc | Lid with egg shaped basin |
| USD737142S1 (en) | 2013-08-08 | 2015-08-25 | Harl-Bella Holdings, Llc | Lid with triangular shaped basin |
| USD739729S1 (en) | 2013-08-08 | 2015-09-29 | Harl-Bella Holdings, Llc | Lid for beverage container |
| USD756773S1 (en) | 2013-08-08 | 2016-05-24 | Harl-Bella Holdings, Llc | Lid with tear line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1078559C (en) | 2002-01-30 |
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