CN1640645B - Article with a narron-band having hook portion and moulding on it - Google Patents
Article with a narron-band having hook portion and moulding on it Download PDFInfo
- Publication number
- CN1640645B CN1640645B CN 200410002274 CN200410002274A CN1640645B CN 1640645 B CN1640645 B CN 1640645B CN 200410002274 CN200410002274 CN 200410002274 CN 200410002274 A CN200410002274 A CN 200410002274A CN 1640645 B CN1640645 B CN 1640645B
- Authority
- CN
- China
- Prior art keywords
- base portion
- cavity
- molding
- carries out
- out molding
- 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 an article on which the moulding method can be implemented. Said described article comprises a base portion with a top surface and a bottom surface, several hook portions are extended from the bottom surface of said base portion, and a metal material is fixed no the top surface of said base portion. Said invention also provides the concrete arrangement mode of these hook portions in a longitudinal strip zone and the concrete structure form of said base portion.
Description
Technical field
The present invention relates to be for fixed to the object of usefulness foamed plastics molding goods thereon, this object that carries out molding thereon comprises a base portion, a top surface and another surface, described top surface is in order to contact with foamed material to fix by the curing at the described lip-deep foamed material of the object that is used for carrying out molding thereon, and described another surface has the hook portion in the zone that is arranged on rectangular form.
Background technology
Known in the art many objects that carry out molding are thereon arranged.In general, for the object that will carry out molding thereon is fixed to moulding article, base portion place at mould forms irrigation canals and ditches or the cavity that a wall portion that is protruded out by the base portion from mould surrounds, and the cast foamed material is forming moulding article in mould, and the object that will carry out molding before the cast foamed material thereon is placed on the outer top of described wall.In by the bottom of the formed cavity of all walls that protrudes out, place a magnet, and the top surface that carries out the object of molding thereon is provided with the flank of a metal-resin, by with the magnetic cooperation of magnet, the object that this flank will carry out molding thereon remains on the top of all walls of this cavity or irrigation canals and ditches, thereby keeps on the suitable position so that will carry out the object of molding thereon in the casting process of foamed material.
But the pressure of cast foamed material is sizable.Therefore, the interface between the top of needs sealing basal surface and wall infiltrates the inside of cavity and besmirches the hook portion of stretching out from the basal surface that carries out the object of molding thereon to prevent foamed material.Another kind of processing method is for all hook portions provide a containment vessel, and removes this containment vessel by peeling off after the demoulding has the moulding article of the object that carries out molding thereon.In fact, in case the demoulding goes out to have the moulding article that carries out the object of molding thereon, these hook portions just for example can will fix a fabric by means of the circle ring, and to cover this molded object, described molded object for example can be an automobile seat pad.In general, the base portion that carries out the object of molding thereon is provided with two acclivitous slopes, can be clamped between the two side so that carry out the object of molding thereon.Obviously, such system is complicated and consuming time, and this brings problem may for the installment work of producing moulding article (for example automobile seat).Certainly, can provide extra device, such as the sponge layer of a precuring, it can prevent that liquid from depressing in adding of precuring foamed material and be penetrated in the cavity.The bottom lip of extending and center on hook portion from basal surface also can be set, with the protection foamed material.These protection antelabium are made very complicated.
Summary of the invention
An object of the present invention is to eliminate above-mentioned the deficiencies in the prior art part by proposing a kind of novel object that carries out molding thereon; this object is made very simple and easy to use, particularly need not it is clamped between two walls of cavity or protection antelabium or other device are set protect hook portion or be fixed to the interface of the outer top of the cavity wall that is positioned in the process of moulding article with object at it being used for.
According to the present invention, a kind of object that is used for carrying out molding thereon, described molding is by pouring into foamed plastics on object, this object being placed to the top that its bottom surface is positioned at chamber simultaneously and forming, described chamber is defined by the wall with top, described object comprises: have a base portion of center strip zone and left and right lug area, described left and right lug area extends from described center strip field side; A plurality of hook portions of stretching out from the bottom side in described center strip zone; And the metal material that is fixed on described base portion, it is characterized in that, described base portion becomes flat shape, the width of described hook portion band is less than 10 millimeters, preferably between 3 to 10 millimeters, the width sum of described left and right lug area is greater than the width in the described center strip zone of extending described hook portion; And, and the material of this flat base portion and thickness is arranged to when described object being placed on the top of described chamber and be poured in foamed plastics on the described object, and described base portion can deform, with the top shape of this vertical wall of fitting.
In this application scenario, in vertical cross section as shown in Figure 1, the width means of hook portion band corresponding to right side hook portion farthest to the right farthest the tip and the size of the distance between farthest the tip left of left side hook portion farthest.This refers to overall width, particularly a cavity for can allow hook portion penetrate wherein the minimum widith that must have.
Therefore can obtain an object that is used for carrying out molding thereon according to the present invention, it has the top of enough flexibilities with the applying vertical wall (before the place, bottom of a mould is cast in foamed material sclerosis on this object, this object is designed to be placed on the top of this vertical wall) any may shape the time, when the place, bottom that is placed on mould simply, and when being positioned on the top of all walls that mould base portion place forms a cavity, contact area place between mural margin and basal surface still has enough sealings, so that foamed material can't penetrate cavity and come in contact with hook portion.Need not any additional sealing system at the level height place of this interface.Use this object that is used for carrying out molding thereon, and particularly place it in the base portion place of mould, then pour into a mould thereon foamed material final to produce, comprise that this carries out the moulding article of the object of molding thereon, thereby be particularly simple.
According to of the present invention one preferred aspect, hook portion is made into all vertical rows' form, and all rows' quantity is preferably and is less than or equal to 3, and hook portion has the shape of a Christmas tree.
The term Christmas tree refers to hook portion and has following shape: a hook portion comprises: a bar that extends between a base portion and a head, this bar are preferably cylindricality, particularly parallelepiped-shaped; And the level height place between head and base portion is from extended at least one the fin-shaped portion of the outer surface of bar, the shape of described fin-shaped portion preferably towards base curve to form a hook.
Preferably, head is the form of a spine, and the size of the base portion of spine is bigger than the cross-sectional area of bar, thereby can be engaged in one or more reinforcing section to form the circle ring.
Preferably, hook portion can comprise two radially relative fin-shaped portions.
According to a preferred embodiment, the longitudinal band that comprises hook portion ends at longitudinal end one distance of leaving base portion, thereby, longitudinal end regions forms and is not provided with hook portion, particularly on a segment distance of some millimeters, be in particular less than 15 millimeters, for example between 5 to 12 millimeters, so that base portion can directly be placed at the level height place of its longitudinal end on the top of all walls that form cavity.
In the prior art, must between the two side, clamp end edge along the width that carries out the object of molding thereon, and be necessary for separately vertical end wall enough far away of cavity setting, with the object that allows to be used for to carry out molding thereon by so that its can be clamped.Therefore, its inevitable at base portion the longitudinal end edge and vertical end wall of cavity between reserve a little gap, this gap allows liquid foam material to infiltrate and also damages some hook portions, so that it is relatively poor to the fixed mass of moulding article to carry out the object of molding thereon.By means of the present invention, just no longer need to have clamped, and the object that therefore is used for carrying out molding thereon still keeps being placed on the Zhu Bishang of cavity, no longer need to reserve described gap, in contrast be, according to the present invention, all obtained outstanding sealing at all top places of all walls of the cavity at the base portion place that is formed on mould, and need not to provide any additional sealing device.
According to a preferred embodiment, base portion is made with polyamide 6 (nylon 6), and its thickness is between 0.2 to 0.4 millimeter.
According to a preferred embodiment, the thickness of base portion is 0.15 to 0.35 millimeter, and makes with polyamide 6-6 (nylon 6-6).
Verified, nylon is what particularly to be fit to, particularly is used for sealing cavity and is provided at well secured to moulding article of the object that carries out molding on it.
The invention still further relates to a kind of moulding article of foamed material, one or more according to object of the present invention, that be used for carrying out molding thereon, after foamed material being cast in the mould, be secured on this moulding article by sclerosis at this foamed material on the top surface of base portion.
The invention still further relates to a kind of mould, in the base portion of this kind mould, made a cavity, it has from the extended a plurality of sidewalls of base portion, and be designed on the top of all walls to place an object that is used for carrying out molding thereon, this object is designed to be for fixing to a moulding article by the curing from the foamed material of top cast, it is characterized in that, cavity has two sidewalls, and their distances between spaced apart 4.5 to 12 millimeters.
Distance between two walls is along perpendicular to the orientation measurement of wall.This with at the cavity that forms between the Zhu Bi relevant perpendicular to the width in the plane of wall.
The invention still further relates to a kind of method of making one moulding article, described moulding article comprises that being fixed to one of these goods carries out the object of molding thereon, and has the some hook portions that protrude out towards the outside of this moulding article, it is characterized in that,
1) form a cavity at the base portion place of a mould, this cavity has the two side, their distances between preferably spaced apart 4.5 to 12 millimeters;
2) the outer top that will the object that be used for carrying out molding thereon according to the present invention be placed on the two side, the cavity inside that all hook portions form in the base portion place of mould towards the two side, then
3) pouring liquid foamed material in mould, so that it is fixed in the top surface that carries out the object of molding thereon by curing, and this liquid foam material can't infiltrate the inner hook portion of consequently damaging of cavity.
The use of the method according to this invention is simple especially.
According to an improvement to the method according to this invention, it also is to comprise, when the object that is used for carrying out molding thereon is placed on the cavity, the longitudinal end edge of base portion is placed on step on the wall of cavity, the particularly end walls.
According to another improvement of this method, the longitudinal end regions of base portion is not provided with hook portion, particularly to a fore-and-aft distance of some centimetres hook portion is not set at some millimeters.
Description of drawings
Described one embodiment of the present of invention in the accompanying drawings, this embodiment only provides by way of example.
Fig. 1 will carry out the vertical cross-section of an object of molding thereon according to one of the present invention.
Fig. 2 is the vertical longitudinal profile that is used for carrying out the object of molding thereon according to of the present invention, and this object is placed on the cavity at the base portion place that is formed on a mould.
Fig. 3 is the drawing in side sectional elevation that is used for carrying out the object of molding thereon according to of the present invention, and this object is placed on the cavity at the base portion place that is formed on a mould.
Fig. 4 is the cross section of the moulding article that obtained after the foamed material of the top surface of base portion solidifies.And
Fig. 5 is the profile from a hook portion of base portion extension.
The specific embodiment
In Fig. 1, the object 1 that carries out molding is thereon comprised the base portion 2 of a general flat.Extend a plurality of hook portions 3 from a surface 4 of base portion, and all hook portions are arranged along a hook portion band 15.Extend in the both sides of band 15 in two zones 16 of flange forms and 17.Described two flanges 16 and 17 will be placed on the top of vertical sidewall of mould (vide infra).These two flanges are not provided with hook portion.On the surface 6 away from aforementioned surfaces of base portion, be fixed with one and be arranged to the flank 5 that metal-resin is made, described fixing specifically by gummed or be exactly that the curing by resin simply realizes.Hook portion is in a row arranged, is shown three rows in the drawings.In general, the length of base portion 1 (along the direction perpendicular to accompanying drawing) is more much bigger than its width.Similarly, hook portion row is arranged in its length than in the big band of width.But the band of hook portion 15 does not extend on whole base portion in the vertical.In fact, there are two zones 7,8 to be arranged to not have hook portion at vertical terminal part place of hook portion band.These two zones 7,8 can hook portion down be placed on the cavity at the base portion place that is formed on mould base portion, and are positioned at the level height place of the longitudinal end of base portion 2.Their length is 12 millimeters.
Hook portion is a shape described below: the hook portion 3 of Christmas tree shape comprises the bar 20 of a rectangle (particularly square) cross section, this bar extends from base portion, and terminate in a head 21, this head is formed by the spine with two inclined surfaces that meet at the place, summit, and the size of its base portion is bigger than the size of bar cross section, to form two ribs 22 on the both sides of bar.Roughly in the midpoint fin-shaped portion 23 of stretching out two hook-types from bar of height with being bent downwardly.Make these hook portions by extruding.
The total height of hook portion is 2.3 millimeters.The most advanced and sophisticated farthest to the right and left-hand side fin-shaped portion of right-hand side fin-shaped portion farthest between the tip, particularly the width in the plane of Fig. 5 is 1.25 millimeters.Bar width at the base portion place is 0.54 millimeter.In height distance is 1.3 millimeters between the tip of the summit of hook portion and a left side or right fin-shaped portion.Should also be noted in that this bar also can be to have around the enclose the land single fin-shaped portion of extending and a cylinder of a conical head.
The width of hook portion band is between 3 to 10 millimeters.Shown in the figure is 8 millimeters.Each flange 16 and 17 width are for example between 2 to 30 millimeters, preferably between 7 to 15 millimeters.Fig. 3 shows and will carry out the object of molding thereon, and it is placed to all hook portions and is orientated in the cavity 9 that stretches into the base portion place that is formed on mould.This cavity 9 comprises the two parallel sidewalls 10 and 11 that protrude out from the base portion of mould in cross section.This cavity seals, and is provided with two parallel sidewalls 13,14, and they are not shown in this section, but in Fig. 2 as seen.On these two walls, be placed on two opposite longitudinal end places of hook portion band exactly and be not provided with two zones 7,8 of hook portion.The two side 10 and 11 of mould is spaced apart, and the gap is preferably less than 10 millimeters less than about 12 millimeters, for example equals 6 millimeters.
The material of base portion and thickness are chosen to the flexibility that provides enough, can cooperate the possible shape of the top of vertical wall 10 and 11 under the pressure of cast foamed material thereon.Some thickness and examples of material are following listed:
Polyamide 6, thickness=0.3 millimeter, ± 0.1 millimeter
Polyamide 6-6, thickness=0.25 millimeter, ± 0.1 millimeter.
But base portion also can be made with polyethylene, polypropylene or any other thermoplasticity or thermosets (particularly polyester).
The foamed material of being poured into a mould be a kind of can with the compatible material of object that carries out molding thereon, that is when it with carry out molded object thereon when solidifying contiguously, it can be fixed well.Specifically, can use polyurethane or polyether foam, but other material is fine also certainly.
Base portion 2 be placed to its surface 4 (two flanges 16 that do not have hook portion and 17 and the level height place in 78 in the zone that does not have hook portion of band 15) be positioned on the top of wall 11,10,13 and 14, thereby so that form cavity 9.Then foamed material is poured in the mould, and allows it solidify.From mould, take out moulding article 18 then.As a result, moulding article 18 just is provided with and can carries out object molding, that comprise the hook portion that does not have foamed material thereon, and its hook portion for example can be done with the circle cyclization on the fabric, to cover moulding article, for example seat cushions of motor vehicles.
Be provided with a magnet 30 in the bottom of cavity, it is designed to carry out with help with the cooperation of metal-resin flank the location of object above cavity of molding thereon.Magnet is rare-earth magnet (samarium-cobalt magnet) particularly.
The flank that metal-resin is made is arranged on the top surface, is formed with two groove or groove 31 and 32 longitudinally at the interface place of base portion-resin.Foamed material infiltrates in them, thereby they are provided at the better anchoring in the foamed material of curing for the object that carries out molding thereon.In order further to improve this anchoring, particularly, can on the outer surface 33 of metal-resin flank, the anchoring pattern be set for the hook portion band of minimum widith, these anchoring patterns for example can form by etching.
Compare with the metal band that is bonded to substrate, the flank that metal-resin is provided is particularly favourable.In fact, metal-resin is fitted in any fluctuating in the object that carries out molding on it better, and can may be to this object of grasping as having, for example place it in the situation of the metal band that the workman at the base portion place of mould damages, protrude out to exceed thereon and will carry out the longitudinal edge of the object of molding.
But, have enough effects in order to make resin, still must be, for example the metal dusts of 8.4 grams mix with the conventional resins of every linear meter(lin.m.) 4 grams form it at least with every linear meter(lin.m.) at least 6 grams, the gross weight of its metal-resin is that every linear meter(lin.m.) at least 10 restrains.
Claims (17)
1. object that carries out molding thereon, described molding is by pouring into foamed plastics on object, this object being placed to the top that its bottom surface is positioned at chamber simultaneously and forming, described chamber is defined by the wall with top, described object comprises: have a base portion (2) of center strip zone and left and right lug area, described left and right lug area extends from described center strip field side; A plurality of hook portions (3) of stretching out from the bottom side in described center strip zone; And the metal material that is fixed on described base portion, it is characterized in that, described base portion becomes flat shape, and the width of described hook portion band is less than 10 millimeters, and the width sum of described left and right lug area is greater than the width in the described center strip zone of extending described hook portion; And, and the material of this flat base portion (2) and thickness is arranged to when described object being placed on the top of described chamber and be poured in foamed plastics on the described object, and described base portion can deform, with the top shape of this vertical wall of fitting.
2. the object that carries out molding thereon as claimed in claim 1 is characterized in that, the width of described hook portion band is between 3 to 10 millimeters.
3. the object that carries out molding thereon as claimed in claim 1 is characterized in that, hook portion (3) is made into vertically row's form, and all rows' quantity is to be less than or equal to 3, and hook portion has the shape of a Christmas tree.
4. as the described object that carries out molding thereon of claim 1 to 3, it is characterized in that, the longitudinal band (15) that comprises hook portion ends at longitudinal end one distance of leaving base portion, thereby, longitudinal end regions (7,8) form and be not provided with hook portion, so that base portion can directly be placed at the level height place of its longitudinal end on the top of all walls (13,14) that form cavity.
5. the object that carries out molding thereon as claimed in claim 4 is characterized in that, the fore-and-aft distance of described longitudinal end regions (7,8) is less than 15 millimeters.
6. as the described object that carries out molding thereon of claim 1 to 3, it is characterized in that base portion is made with polyamide 6, and its thickness is between 0.2 to 0.4 millimeter; Perhaps, the thickness of base portion is 0.15 to 0.35 millimeter, and makes with polyamide 6-6.
7. as the described object that carries out molding thereon of claim 1 to 3, it is characterized in that metal material is specially the form that is fixed to the metal-resin flank on the top base surface by gummed, so that the good anchoring of foamed material to be provided.
8. the object that carries out molding thereon as claimed in claim 7 is characterized in that, described metal material is for by forming two grooves longitudinally on the both sides of the interface of resin-base portion.
9. the object that carries out molding thereon as claimed in claim 7 is characterized in that, in the outer surface of metal-resin flank the anchoring pattern is set.
10. the object that carries out molding thereon as claimed in claim 7 is characterized in that, for the gross weight of the metal-resin of every linear meter(lin.m.) at least 10 grams, the resin flank comprises the metal dust of every linear meter(lin.m.) at least 6 grams.
11. the moulding article of a foamed material, one or morely after being cast in a mould, foamed material is secured on this moulding article in the sclerosis on the top surface of base portion by this foamed material according to each described object that is used for carrying out molding thereon in the claim 1 to 10.
12. mould, in the base portion of this kind mould, made a cavity, described cavity has from the extended multi-disc wall of base portion, and be designed on the top of all walls to place one according to each is described in the claim 1 to 10, be used for carrying out the object of molding thereon, described object is designed to be for fixing to a moulding article by the curing of the foamed material of pouring into a mould from the top, it is characterized in that, cavity has two sidewalls, they are parallel, and the distance between spaced apart 4.5 to 12 millimeters.
Have the object that one of some hook portions of protruding out towards the outside of this moulding article are carried out molding thereon 13. a method of making a moulding article as claimed in claim 11, described moulding article comprise, it is characterized in that this method comprises:
1) form a cavity at the base portion place of a mould, this cavity has the two side, their distances between spaced apart 4.5 to 12 millimeters;
2) will be placed on the outer top of two side as the object that each is described in the claim 1 to 10, be used for carrying out molding thereon, the cavity inside that all hook portions form in the base portion place of mould towards the two side, then
3) pouring liquid foamed material in mould, so that it is fixed in the top surface that carries out the object of molding thereon by curing, and this liquid foam material can't infiltrate, and cavity is inner consequently can't to damage hook portion.
14. method as claimed in claim 13 is characterized in that, it also comprises, when the object that is used for carrying out molding thereon is placed on the cavity, the longitudinal end edge of base portion is placed on the wall of cavity.
15. method as claimed in claim 13 is characterized in that, when the object that is used for carrying out molding thereon is placed on the cavity, the longitudinal end edge of base portion is placed on two vertical end walls of cavity.
16. any described method as claim 13-15 is characterized in that the longitudinal end regions of base portion is not provided with hook portion.
17. method as claimed in claim 16 is characterized in that, the fore-and-aft distance of described longitudinal end regions is less than 15 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410002274 CN1640645B (en) | 2004-01-15 | 2004-01-15 | Article with a narron-band having hook portion and moulding on it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410002274 CN1640645B (en) | 2004-01-15 | 2004-01-15 | Article with a narron-band having hook portion and moulding on it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1640645A CN1640645A (en) | 2005-07-20 |
| CN1640645B true CN1640645B (en) | 2010-09-22 |
Family
ID=34867324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410002274 Expired - Fee Related CN1640645B (en) | 2004-01-15 | 2004-01-15 | Article with a narron-band having hook portion and moulding on it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1640645B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5662853A (en) * | 1993-08-05 | 1997-09-02 | Minnesota Mining Manufacturing Company | Affixation member for decorating or protecting structures and methods of making same |
-
2004
- 2004-01-15 CN CN 200410002274 patent/CN1640645B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5662853A (en) * | 1993-08-05 | 1997-09-02 | Minnesota Mining Manufacturing Company | Affixation member for decorating or protecting structures and methods of making same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1640645A (en) | 2005-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100685334B1 (en) | Component for overcasting for a moulded object and manufacturing process thereof | |
| CN1267035C (en) | Segmented separable fastener | |
| CN1231585A (en) | Separable fastener having a perimeter cover gasket | |
| KR100980172B1 (en) | Moulded-over article with a small band comprising hooks | |
| CN1231159C (en) | Fastener inserted in mould, prodn, technique moulded resin products with such fastener | |
| CN1868360A (en) | Mould and overmould assembly with anti-lift action | |
| US20070062130A1 (en) | Pulling iron pocket, lid and shield | |
| CN105189265B (en) | Plastics motor vehicle floor with iron clad metal insert | |
| CN1640645B (en) | Article with a narron-band having hook portion and moulding on it | |
| KR102411335B1 (en) | Molded Side Fasteners and Methods of Manufacturing Molded Side Fasteners | |
| CN112622151B (en) | Door trim and molding device and molding method thereof | |
| JPS6140169B2 (en) | ||
| KR101810355B1 (en) | heterogeneity metal full mould casting method | |
| JP7335127B2 (en) | A molding die and a resin part molded using this molding die | |
| JP2005041220A (en) | Mold insert for molding form van | |
| JP2843357B2 (en) | Non-slip type manhole cover and manufacturing method thereof | |
| CN112622152B (en) | Door trim, and molding device and molding method thereof | |
| JP2677437B2 (en) | Gas press-fitting mold | |
| WO1995021967A1 (en) | Improvements in access hole cover and frame assemblies | |
| JP2000190318A (en) | Form for concrete and its manufacture | |
| JP3640479B2 (en) | Casting mold for hydraulic inorganic materials | |
| KR100286760B1 (en) | Method for manufacturing a resin molded device with lead terminals and mold die for same | |
| JPH0534887Y2 (en) | ||
| JPH07259Y2 (en) | Foam mold | |
| JPH0723223Y2 (en) | Gas press-fitting mold |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20220115 |