CN112193201A - Air bag cover plate coated by polyurethane skin, forming die and manufacturing method thereof - Google Patents
Air bag cover plate coated by polyurethane skin, forming die and manufacturing method thereof Download PDFInfo
- Publication number
- CN112193201A CN112193201A CN202010808358.2A CN202010808358A CN112193201A CN 112193201 A CN112193201 A CN 112193201A CN 202010808358 A CN202010808358 A CN 202010808358A CN 112193201 A CN112193201 A CN 112193201A
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- Prior art keywords
- polyurethane
- airbag cover
- air bag
- surface layer
- die
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- 239000004814 polyurethane Substances 0.000 title claims abstract description 83
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 80
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 40
- 239000002344 surface layer Substances 0.000 claims abstract description 34
- 239000011248 coating agent Substances 0.000 claims abstract description 33
- 230000003313 weakening effect Effects 0.000 claims abstract description 23
- 238000001746 injection moulding Methods 0.000 claims abstract description 11
- 239000010410 layer Substances 0.000 claims description 14
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 10
- 239000002519 antifouling agent Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 238000005187 foaming Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229920002397 thermoplastic olefin Polymers 0.000 claims description 3
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 3
- 229920006465 Styrenic thermoplastic elastomer Polymers 0.000 claims 1
- 229920001169 thermoplastic Polymers 0.000 claims 1
- 239000004416 thermosoftening plastic Substances 0.000 claims 1
- 239000010985 leather Substances 0.000 abstract description 11
- 239000003292 glue Substances 0.000 abstract description 10
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 210000003491 skin Anatomy 0.000 description 23
- 210000002615 epidermis Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009958 sewing Methods 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 210000004207 dermis Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 244000130402 Waltheria indica Species 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/215—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
- B29L2031/3038—Air bag covers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Air Bags (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an air bag cover plate coated by polyurethane skin, a forming die and a manufacturing method thereof, wherein the air bag cover plate comprises: the airbag comprises an airbag cover cap, a polyurethane surface layer and an outer coating, wherein the polyurethane surface layer is positioned between the airbag cover cap and the outer coating, and weakening lines are arranged on the airbag cover cap and the polyurethane surface layer individually or together. According to the invention, the air bag cover is coated with the polyurethane surface layer through an injection molding process, the polyurethane surface layer is tightly connected with the air bag cover through the self-adhesive characteristic, the adhesion of the polyurethane surface layer and the air bag cover is not required to be realized through glue, and the condition that peculiar smell is emitted due to the use of glue in the traditional coating process is avoided. In addition, the invention has high-grade and beautiful appearance, realizes the appearance state similar to leather coating, and meets the requirements of low cost and environmental protection.
Description
Technical Field
The invention relates to the technical field of automobile processing and forming, in particular to an air bag cover plate coated by polyurethane skins, a forming die and a manufacturing method thereof.
Background
Currently, with the improvement of living standard of people, the quality requirement of automobiles is increasingly more critical, and the genuine leather interior has become an important option concerned by users when selecting automobiles, but genuine leather comes from skins of animals such as cattle and sheep and is limited by natural bearing capacity. In addition, the leather-coated driver airbag cover plate is already used on some high-grade vehicles, but because the manufacturing process difficulty is high, companies in Europe, America and Asia are manufactured by using a manual coating process, so that the production efficiency is low and the cost is high; meanwhile, the inevitable use of adhesives in the coating process brings great challenges to the taste and volatile organic matter emission of the product, and meanwhile, users have different individual requirements on the air bag cover plate.
Thus, the prior art has yet to be improved and enhanced.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide the air bag cover plate covered by the polyurethane skin, the forming die and the manufacturing method thereof, and aims to solve the problems of complex covering process, higher cost and lower environmental protection property of the air bag cover plate in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a polyurethane skin coated airbag cover comprising: the airbag comprises an airbag cover cap, a polyurethane surface layer and an outer coating, wherein the polyurethane surface layer is positioned between the airbag cover cap and the outer coating, and weakening lines are arranged on the airbag cover cap and the polyurethane surface layer individually or together.
The material of the air bag cover is one of thermoplastic olefin thermoplastic elastomer, styrene thermoplastic elastomer and polyurethane thermoplastic elastomer.
The outer coating is an outer coating protective paint.
The thickness of the outer coating is less than 40 μm.
The depth range of the weakening line of the airbag cover is 0.4mm-0.9 mm.
The thickness range of the polyurethane surface layer is 0.5mm-1.2 mm.
The utility model provides a forming die of air bag apron that polyurethane skin cladding, includes first closed mould, second closed mould, the die cavity of first closed mould is the same with the shape of gasbag shroud, first closed mould is provided with the arch or the sunken that make gasbag shroud formation line of weakness, the die cavity of second closed mould is the same with the shape after gasbag shroud and the combination of polyurethane epidermis layer, the coating has the external coating on the die cavity inner wall of second closed mould.
A method of making a polyurethane skin coated airbag cover, the method comprising:
heating and pressurizing the thermoplastic elastomer material by an injection molding machine to reach a molten state, and filling the first closed die under the action of pressure to obtain an air bag cover; a groove for forming a weakening line on the airbag cover cap is reserved in the first closing die;
applying an overcoating protective paint to an inner wall of the second closed mold;
and transferring the airbag cover cap to a second closed die, and filling the polyurethane liquid into the gap of the second closed die through a polyurethane foaming machine or an injection molding machine, so that the polyurethane liquid is cured to form a skin to cover the airbag cover cap.
Compared with the prior art, the invention provides the polyurethane skin coated airbag cover plate, the forming die and the manufacturing method thereof, wherein the airbag cover plate comprises the following components: the airbag comprises an airbag cover cap, a polyurethane surface layer and an outer coating, wherein the polyurethane surface layer is positioned between the airbag cover cap and the outer coating, and weakening lines are arranged on the airbag cover cap and the polyurethane surface layer individually or together. According to the invention, the air bag cover is coated with the polyurethane surface layer through an injection molding process, the polyurethane surface layer is tightly connected with the air bag cover through the self-adhesive characteristic, the adhesion of the polyurethane surface layer and the air bag cover is not required to be realized through glue, and the condition that peculiar smell is emitted due to the use of glue in the traditional coating process is avoided. In addition, the invention has high-grade and beautiful appearance, realizes the appearance state similar to leather coating, and meets the requirements of low cost and environmental protection.
Drawings
Fig. 1 is a schematic structural view of an airbag cover in a first closed mold provided by the present invention.
Fig. 2 is a schematic structural view of an airbag cover plate in a second closing mold according to the present invention.
Fig. 3 is a schematic structural diagram of an airbag cover plate provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "on," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.
The airbag cover plate body covered by the polyurethane skin in the invention is a cover plate which covers a driver airbag and plays a role in protecting the internal structure and the appearance of the airbag.
The present invention provides an airbag cover plate covered with polyurethane skin, please refer to fig. 1-3, comprising: the airbag cover comprises an airbag cover body 1, a polyurethane surface layer 2 and an outer coating 3, wherein the polyurethane surface layer 2 is located between the airbag cover body 1 and the outer coating 3, and weakening lines are arranged on the airbag cover body 1 and the polyurethane surface layer 2 singly or jointly.
According to the invention, the polyurethane surface layer 2 is tightly connected with the air bag cover cap 1 through the self-adhesive characteristic, the adhesion of the polyurethane surface layer 2 and the air bag cover cap 1 is not required to be realized through glue, and the condition that peculiar smell is emitted due to the use of glue in the traditional coating process is avoided; cladding polyurethane epidermis layer 2 on gasbag shroud 1 through injection molding process, through set up the decoration sewing thread on forming die for polyurethane liquid solidification moulding is polyurethane epidermis layer 2's in-process with the decoration sewing thread printing on forming die on polyurethane epidermis layer 2, and not only the appearance molding is high-grade pleasing to the eye, and the touch is felt well, promotes interior holistic grade sense, has realized the outward appearance state of similar genuine leather cladding, has still reached the requirement of low cost, environmental protection. In order to ensure that the safety airbag is detonated smoothly, the inner surface of the polyurethane surface skin layer 2 and the airbag cover cap 1 can be weakened together; instead of providing the inner surface of the polyurethane skin layer 2 with a weakening line structure, the weakening line on the airbag cover 1 can be opened only upon initiation.
Specifically, the material of the airbag cover 1 is one of thermoplastic olefin thermoplastic elastomer, styrene thermoplastic elastomer and polyurethane thermoplastic elastomer. The outer coating 3 is an outer coating protective paint. Specifically, the external coating protective paint can be various resin paints such as polyurethane paint, acrylic paint and the like. The thickness of the outer coating 3 is less than 40 μm. The depth range of the weakening line of the airbag cover 1 is 0.4mm-0.9 mm. The thickness range of the polyurethane surface layer 2 is 0.5mm-1.2 mm.
The invention also provides a forming die of the air bag cover plate coated by the polyurethane skin, which comprises a first closed die 4 and a second closed die 5, wherein the die cavity of the first closed die 4 is the same as the shape of the air bag cover 1, the upper die of the first closed die 4 is provided with a continuous bulge which reduces the thickness of the air bag cover 1 and generates a weakening line, the die cavity of the second closed die 5 is the same as the combined shape of the air bag cover 1 and the polyurethane skin layer 2, and the inner wall of the die cavity of the second closed die 5 is coated with an outer coating 3. In order to meet the individual requirements of different users, the die cavities of the first closed die 4 and the second closed die 5 are provided with die patterns, so that the formed airbag cover plate is printed with corresponding patterns, and the individual requirements of different users are met. In the second closed die 5, the polyurethane surface layer 2 is tightly connected with the airbag cover cap 1 through the self adhesive property, so that the problems of high process difficulty and environmental pollution caused by adhesion of glue in the traditional mode are solved, and the appearance state similar to leather coating is achieved. The protrusions in the first closing mold 4 form the injection molded back side of the airbag cover 1 with recessed weakening lines. Meanwhile, a recess can be formed in the first closed die 4, so that the formed airbag cover cap 1 presents a raised weakening line, the weakening line is 0.1-0.5 mm higher than the airbag cover plate, and the height of the projection of the weakening line is smaller than the thickness of the airbag cover cap, so that the thickness of the polyurethane skin layer at the position is reduced when the polyurethane skin layer is coated, and the airbag can be correctly unfolded along the designed weakening line when the airbag is ignited. The problem that the polyurethane surface layer 2 is aged, decomposed or lost after being exposed to the sun or rubbed for a long time is solved through the outer coating 3, the outer coating 3 is arranged on the inner wall of the die cavity of the second closed die 5, the outer coating 3 is solvent-based or water-based, the thickness of the outer coating 3 is smaller than 40 mu m, a user can perform customized treatment according to the requirements on color and touch, and the individual personalized requirements can be met by replacing the color and touch of the outer surface layer, so that the air bag cover plate can present various appearance styles. The first closing die 4 and the second closing die 5 can be designed according to the front shaping and the design of the airbag cover 1 and the airbag flap.
The invention further provides a manufacturing method of the polyurethane skin coated air bag cover plate, which comprises the following steps:
heating and pressurizing the thermoplastic elastomer material by an injection molding machine to reach a molten state, and filling the mold cavity of the first closed mold 4 under the action of pressure through an injection molding process to obtain the airbag cover 1; the cavity of the first closed die 4 is provided with a groove which enables the airbag cover 1 to form a weakening line;
applying an overcoating protective paint to the inner wall of the second closed die 5;
transferring the airbag cover cap 1 to a second closed die 5, filling polyurethane liquid into a gap of the second closed die 5 along a designed flow channel through a polyurethane foaming machine or an injection molding machine, and curing the polyurethane liquid to form a skin under a certain condition in the second closed die 5 to coat the airbag cover cap 1.
The manufacturing method of the polyurethane skin coated airbag cover plate avoids the need of cutting and sewing the leather skin sheet when the leather coats the airbag cover 1, and bonding the airbag cover 1 and the leather skin sheet by using glue; meanwhile, the uncontrollable size deformation caused by the shrinkage of the dermis layer in the traditional dermis coating process is avoided; the design limitation and compromise of the shape of the air bag cover 1 caused by the difficulty in realizing the processing technology of the real leather sheet are avoided; the positioning of the airbag cover 1 before and after the weakening treatment is difficult to control, and the defects of high difficulty, time consumption, labor consumption and the like of manual operation during the cladding process are overcome.
In addition, this application still can adopt the technique of gasbag shroud 1 and polyurethane epidermis layer 2 integration weakening, can select for use to mill the weakening technology, hot sword weakening technology, the cold sword processing technology of ultrasonic wave, and the cold sword of preferred ultrasonic wave weakens, forms the aperture that pierces through or does not pass through on gasbag shroud 1 and polyurethane epidermis layer 2 in succession for a series of apertures that the material thickness of aperture is very thin and breaking strength is low constitute the line of weakness.
In summary, the present invention provides an airbag cover plate covered with polyurethane skin, and a molding mold and a manufacturing method thereof, wherein the airbag cover plate includes: the airbag comprises an airbag cover cap, a polyurethane surface layer and an outer coating, wherein the polyurethane surface layer is positioned between the airbag cover cap and the outer coating, and weakening lines are arranged on the airbag cover cap and the polyurethane surface layer individually or together. According to the invention, the air bag cover is coated with the polyurethane surface layer through an injection molding process, the polyurethane surface layer is tightly connected with the air bag cover through the self-adhesive characteristic, the adhesion of the polyurethane surface layer and the air bag cover is not required to be realized through glue, and the condition that peculiar smell is emitted due to the use of glue in the traditional coating process is avoided. In addition, the invention has high-grade and beautiful appearance, realizes the appearance state similar to leather coating, and meets the requirements of low cost and environmental protection.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (8)
1. A polyurethane skin coated airbag cover, comprising: the airbag comprises an airbag cover cap, a polyurethane surface layer and an outer coating, wherein the polyurethane surface layer is positioned between the airbag cover cap and the outer coating, and weakening lines are arranged on the airbag cover cap and the polyurethane surface layer individually or together.
2. The polyurethane skin coated airbag cover of claim 1, wherein the airbag cover is made of one of thermoplastic olefinic thermoplastic elastomer, styrenic thermoplastic elastomer, and polyurethane thermoplastic elastomer.
3. The polyurethane skin coated airbag cover sheet of claim 1, wherein the outer coating is an overcoating protective paint.
4. The polyurethane skin coated airbag cover of claim 3, wherein the thickness of the outer coating is less than 40 aμm。
5. The polyurethane skin coated airbag cover of claim 1, wherein the airbag cover has a line of weakness depth ranging from 0.4mm to 0.9 mm.
6. The polyurethane skin coated airbag cover of claim 1, wherein the polyurethane skin layer has a thickness in the range of 0.5mm to 1.2 mm.
7. The utility model provides a forming die of air bag apron that polyurethane skin cladding, its characterized in that includes first closed mould, second closed mould, the die cavity of first closed mould is the same with the shape of gasbag shroud, first closed mould is provided with and makes gasbag shroud generate the arch or sunken of line of weakness, the die cavity of second closed mould is the same with the shape after gasbag shroud and the combination of polyurethane skin layer, it has the external coating to coat on the die cavity inner wall of second closed mould.
8. A method of making a polyurethane skin coated airbag cover, comprising:
heating and pressurizing the thermoplastic elastomer material by an injection molding machine to reach a molten state, and filling the first closed die under the action of pressure to obtain an air bag cover; a groove for forming a weakening line on the airbag cover cap is reserved in the first closing die;
applying an overcoating protective paint to an inner wall of the second closed mold;
and transferring the airbag cover cap to a second closed die, and filling the polyurethane liquid into the gap of the second closed die through a polyurethane foaming machine or an injection molding machine, so that the polyurethane liquid is cured to form a skin to cover the airbag cover cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010808358.2A CN112193201A (en) | 2020-08-12 | 2020-08-12 | Air bag cover plate coated by polyurethane skin, forming die and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010808358.2A CN112193201A (en) | 2020-08-12 | 2020-08-12 | Air bag cover plate coated by polyurethane skin, forming die and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112193201A true CN112193201A (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010808358.2A Pending CN112193201A (en) | 2020-08-12 | 2020-08-12 | Air bag cover plate coated by polyurethane skin, forming die and manufacturing method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN112193201A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118046527A (en) * | 2024-03-26 | 2024-05-17 | 恩平美翔达新材料有限公司 | Integral molding machine for polyurethane leather sole |
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2020
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|---|---|---|---|---|
| CN1300259A (en) * | 1998-05-11 | 2001-06-20 | 达信汽车公司 | Motor vehicle air bag cover with perforated score line |
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| CN105849147A (en) * | 2013-11-04 | 2016-08-10 | 雷赛诺普拉斯特 | Composite comprising a plasticised polyurethane foam and a coating consisting of a plasticised PVC resin |
| CN108003376A (en) * | 2016-11-01 | 2018-05-08 | 现代摩比斯株式会社 | Cushion pad and its manufacture method for vehicle |
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| CN118046527A (en) * | 2024-03-26 | 2024-05-17 | 恩平美翔达新材料有限公司 | Integral molding machine for polyurethane leather sole |
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