CN1198376A - Apparatus and method for compression moulding of car inner plate - Google Patents

Apparatus and method for compression moulding of car inner plate Download PDF

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Publication number
CN1198376A
CN1198376A CN98101807A CN98101807A CN1198376A CN 1198376 A CN1198376 A CN 1198376A CN 98101807 A CN98101807 A CN 98101807A CN 98101807 A CN98101807 A CN 98101807A CN 1198376 A CN1198376 A CN 1198376A
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CN
China
Prior art keywords
liner plate
group
ribs
bearing
epidermal tissue
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.)
Pending
Application number
CN98101807A
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Chinese (zh)
Inventor
全成道
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Individual
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Individual
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Publication date
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Publication of CN1198376A publication Critical patent/CN1198376A/en
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    • 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
    • B29C45/14377—Coating a portion of the article, e.g. the edge of the article using an additional insert, e.g. a fastening element
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
    • 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
    • B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
    • B29C45/0055—Shaping
    • 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
    • B29C2045/0093—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor of articles provided with an attaching element
    • 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
    • B29L2031/3041—Trim panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention relates to a device and a method for vehicle internal plates die forming. The device comprises a press machine to press a lining plate and a surface tissue in a die pressing device, wherein the press machine comprises a lower die which is provided with a group of support holes, strengthening rib holes, a fluid inlet pipe and a group of injection holes which connect the support holes, the strengthening rib holes and the fluid inlet pipe. The vehicle internal plates die forming method comprises two steps: die pressing the lining plate and the surface tissue into an internal plate of a set shape; supplying fusible injection fluid into a group of injection holes and strengthening rib holes through injection holes and forming a group of supports and strengthening ribs which are integrated with the lining plate by use of the remaining heat of the lining plate.

Description

The apparatus and method of compression moulding of car inner plate
The present invention relates to a kind of apparatus and method that are used for compression moulding of car inner plate, specifically, the apparatus and method that are used for compression moulding of car inner plate that relate to are: adopt a common press and a small-sized injection molding equipment, when the liner plate of suppressing the formation inner panel and epidermal tissue, one group of bearing and the ribs of being shaped also is combined as a whole a surface of they and liner plate, makes epidermal tissue be smooth to the touch and the manufacturing expense of inner panel significantly reduces.
In general, car inner plate, as comprising a liner plate of making by polypropylene or wood fibre board, timber etc. and the synthetic fibers epidermal tissue of a surface band polyethylene on door trim plate, tool box, instrument board, luggage case, internal document folder and other analogs, on the surface of epidermal tissue attached to liner plate.On another surface of liner plate, bearing is installed, thereby can easily inner panel be installed on the vehicle body.
What at present, the production of inner panel was adopted is press method or low-pressure injection molding building mortion method.
The method of employing press commonly used mainly contains dual mode.First kind of mode is that bearing also is shaped simultaneously and is attached on the surface of liner plate when liner plate and epidermal tissue are suppressed by press.The second way is earlier with press liner plate to be adhered to be pressed into epidermal tissue to be scheduled to the inner panel shape, with the high frequency treating apparatus ready made bearing is fixed on the liner plate surface again.
First kind of inner panel die forming method commonly used promptly adopts the press method, will explain below by accompanying drawing.
Fig. 2 a is the local cross-sectional view that launches, and has shown a kind of method of employing press die forming commonly used.One group of bearing of making single form places counterdie, and when compacting epidermal tissue and liner plate, bearing is connected on the surface of liner plate.Fig. 2 b is the partial cross section view of the inner panel made among Fig. 2 a.
Shown in Fig. 2 a and 2b, the bearing 5 of making the regulation shape is in advance put into the groove on the counterdie 1 of press.Liner plate 3 is preheating to uniform temperature and is put on the counterdie 1 again, and epidermal tissue 4 is put on the surface of liner plate 3.Patrix drops to for 2 times in the epidermal tissue 4 on the liner plate 3 on the counterdie 1, and with they press formings.At this moment, by epidermal tissue 4 is pressed on the surface of liner plate 3, some is squeezed into another surface of liner plate 3 among the hole 5b on the ring flange 5a of bearing 5, and bearing 5 and liner plate 3 link up like this.
Yet the common method of this employing press die forming inner panel has a shortcoming, and promptly bearing is made into single form, must place singly on the fixed position on the counterdie 1, be connected on the liner plate 3 of counterdie 1 shaping, so operating process is very complicated again.Adopt the common method of press die forming inner panel to also have another shortcoming, promptly because liner plate 3 has only among the hole 5b that seldom measures on the ring flange 5a that inserts bearing 5, therefore only be subjected to slight impact, bearing just breaks away from from the surface of liner plate 3 easily; Again because inner panel does not prevent the ribs of liner plate 3 edge shakinesses in being shaped, thereby liner plate may be out of shape after 3 days.
Second kind of inner panel die forming method promptly adopts the low head injection installation method, will explain below by accompanying drawing.
Fig. 3 is a partial cross section view, shown a kind of die forming method commonly used, make on an epidermal tissue's pressurized and the surface by a large-scale low head injection building mortion attached to the liner plate that is shaped, simultaneously, this low head injection building mortion shaping bearing and ribs and with another surface of they and liner plate as integrally formed.Fig. 4 a is a sectional view, has shown at the thickness of being suppressed the structural froth bed of procuticle by the low head injection building mortion.Sectional view among Fig. 4 b has shown the thickness with the foam of die forming method compacting back epidermal tissue among Fig. 3.
As shown in Figure 3, process one group of injection orifice and some bearing holes 6 and ribs hole 7 in the counterdie 1.When liner plate 3 is shaped, also be shaped simultaneously bearing and ribs, thereby operating process just simplified, and prevented that the liner plate that is shaped was out of shape after 3 days.
Yet, the common method of this employing low head injection building mortion die forming inner panel has shortcoming, large-sized inner panel promptly need be shaped, whole liner plate as door trim, instrument board etc., therefore the low head injection building mortion must be enough big, thus the uniform pressure of supply in the injection orifice of assurance in counterdie 1.Because die cost and installation cost are very expensive, so the production cost of inner panel is just very high, and like this, the cost burden of medium-sized and small enterprises is very heavy, and uses the automobile by the inner panel of said method production also can descend in the competitiveness of automobile market.
Adopt the common method of low head injection building mortion die forming inner panel to also have the another one shortcoming, be that liner plate, ribs and bearing are configured as one, surface texture can be subjected to excessive pressure, thereby the froth bed of epidermis can be by ironed, as shown in Figs. 4a and 4b, can cause finished product inner panel feel coarse, thereby not be suitable in the luxurious large-scale or medium sized vehicle.
Therefore, an object of the present invention is to provide a device and a kind of method, be used for compression moulding of car inner plate, should be able to easily be shaped ribs and bearing, thus the liner plate of contour forming can be out of shape in the future; And thereby all fastening installation of each parts significantly reduces mounting cost; The froth bed of epidermal tissue is not compressed too much, thereby inner panel is smooth to the touch; Method adopts the press die forming method commonly used and the die forming method of small low-voltage injection device.
Purpose of the present invention can realize by compression moulding of car inner plate apparatus and method.There is a counterdie to be used for liner plate and epidermal tissue are configured as the shape of setting on this device.Have one group of bearing hole and ribs hole to be positioned on the position noted earlier on the counterdie, also have an influent stream pipe, one group of injection orifice is connecting each above-mentioned hole and influent stream pipe.This method may further comprise the steps: will be used to make the liner plate of inner panel and the shape that epidermal tissue is pressed into setting, and by injection orifice meltable parenteral solution be supplied with only two kinds of holes in the counterdie again, be i.e. bearing hole and ribs hole, thereby shaping bearing and ribs.Therefore the manufacturing of inner panel can be adopted cheap small-sized injection molding device for molding, and operating process easily and fast.
By reading hereinafter the detailed explanation of most preferred embodiment and with reference to the accompanying drawings, can being well understood to the present invention.Accompanying drawing comprises:
Fig. 1 is a stereogram, has shown a common door trim plate that the common press of usefulness is made;
Fig. 2 a is a local cross section that launches, and has shown that one group of bearing is made single form and placed counterdie with a kind of common method of press die forming, and when compacting epidermal tissue and liner plate, bearing is coupled on this liner plate;
Fig. 2 b is a partial cross section view, has shown the interior plate structure made from method shown in Fig. 2 a;
Fig. 3 is a partial cross section view, shown a kind of die forming method commonly used, by a large-scale low head injection building mortion, epidermal tissue is compressed on the surface attached to the liner plate that is shaped, bearing and ribs are one with another shaping surface of liner plate then;
Fig. 4 a is a sectional view, has shown the thickness of the froth bed in the epidermal tissue before being compressed by the low head injection building mortion;
Fig. 4 b is a sectional view, has shown the thickness that is compressed epidermal tissue's froth bed afterwards by die forming method shown in Figure 3;
Fig. 5 a to 5c is a partial cross section view, has shown the technical process according to moulding apparatus die forming inner panel of the present invention;
Fig. 6 is a stereogram, has shown that all bearings and ribs all are configured as one with liner plate on it according to a door trim plate of the present invention.
A kind of method and apparatus of die forming inner panel can reach purpose of the present invention effectively, and below by will doing to explain in detail to this method and apparatus for example and with reference to the accompanying drawings, the door trim plate that has shown one of inner panel in the accompanying drawing as an example.
Fig. 5 a to 5c is a partial cross section view, has shown the technical process according to moulding apparatus die forming inner panel of the present invention among the figure.
Fig. 6 is a stereogram, has shown a door trim plate, and shaping bearing on it and ribs and liner plate are combined as a whole.
According to the present invention, the counterdie 10 of a press is used for an epidermal tissue 40 and liner plate 30 press formings are predetermined shape, comprise one group of bearing hole 11 and ribs hole 12 in this counterdie, and an influent stream pipe 14 and one group of injection orifice 13, this injection orifice 13 couples together each bearing hole 11 and ribs 12 with influent stream pipe 14.
Still unaccounted reference part 20 is a patrix, and 31 and 32 are respectively bearing and the ribs that is shaped on liner plate 30, and 41 is the froth bed of epidermal tissue 40.
Use may further comprise the steps according to the method for moulding apparatus die forming inner panel of the present invention: liner plate 30 and epidermal tissue's 40 press formings that will be preheating to fixed temperature with press are to set shape, meltable injecting fluid that will be identical with liner plate 30 materials, or the material of fusing is supplied with and fusion is attached on the liner plate 30, and makes bearing 31 and ribs 32 shapings and be combined into one with liner plate with the waste heat of liner plate 30.
An interior board fabrication method according to the present invention is incited somebody to action step-by-step instructions below:
Step 1 (compacting process)
Shown in Fig. 5 a, hard liner plate 30 evenly is heated to predetermined temperature, and is placed on the counterdie 10, and epidermal tissue 40 spreads out on the surface of liner plate 30.Patrix 20 descends and with on epidermal tissue's 40 compactings and the surface attached to liner plate 30, shown in Fig. 5 b.
Said process is the same with press die forming process commonly used.
Step 2 (injection moulding process)
After liner plate 30 and epidermal tissue 40 are pressed into above-mentioned setting shape, the meltable injecting fluid identical with liner plate 30 materials, or supply in bearing hole 11 and the ribs hole 12, shown in Fig. 5 c by the injection orifice 13 that links to each other with influent stream pipe 14 for attachment to the molten material on the liner plate 30.At this moment, patrix 20 continues to keep epidermal tissue 40 is compressed on the surface attached to liner plate 30.Owing to keeping a large amount of heat energy on the liner plate 30, although therefore small-sized injection molding device for molding pressure is lower, the injecting fluid that is full of in bearing hole 11 and the ribs hole 12 also be easy to melt and another surface attached to liner plate 30 on.By said method, bearing 31 and ribs 32 are combined as a whole with liner plate 30, as shown in Figure 6.
In step 1, the shape that liner plate 30 and epidermal tissue 40 are molded and are shaped and set for inner panel, this process is identical with press die forming method commonly used.Yet, by more as can be known, bearing 31 is made into single form in the common method, must be placed in singly on the position noted earlier in the counterdie 10 by the staff, and according to the present invention, 32 of bearing 31 and ribs directly and liner plate 30 die formings be one.Operating process is convenient and fast, and liner plate 30 can not resemble and can be out of shape the no ribs liner plate commonly used in the future.
Again owing to be when setting shape with liner plate 30 and epidermal tissue's 40 die formings, there is not the sort of high pressure to be added on the two surface, pressure just is added on bearing hole 11 and ribs hole 12 these local locations, therefore can be smooth to the touch according to inner panel of the present invention, and the froth bed 41 of the epidermal tissue of adhering to 40 on the liner plate 30 can be by excessively not ironed.
In sum, inner panel according to the present invention is by small-sized injection molding device for molding manufacturing, and die cost and installation cost can significantly reduce, thereby can significantly reduce producing cost, thereby can delivery quality height and the low interior panel products of price.
Obviously, what one of ordinary skill in the art will appreciate that is: not exclusively explaining with the embodiment that illustrates according to this place and do not exceeding under the situation of essence of the present invention and scope that the present invention can make various modifications and variations.The spirit and scope of the invention will propose in the claim below.

Claims (2)

1, a kind of device that is used for the die forming car inner plate, comprise a patrix (20) and a counterdie (10), be used for a hard liner plate (30) and an epidermal tissue (40) are molded into the inner panel of setting shape, one group of bearing hole (11) and ribs hole (12) are arranged in the counterdie (10), an influent stream pipe (14) and one group of injection orifice (13), this group injection orifice (13) couples together each bearing hole (11) and ribs hole (12) with influent stream pipe (14).
2, a kind of method that is used for the die forming car inner plate comprises:
A press forming step, that is: hard liner plate (30) evenly is heated to the temperature of setting and is placed on the counterdie (10) of a press, epidermal tissue (40) is spread out on the surface that is placed on liner plate (30), press patrix (20) is descended, and epidermal tissue (40) is suppressed attached on the liner plate (30); With
An injection moulding step, that is: meltable injecting fluid is supplied in counterdie (10) the interior one group of bearing hole (11) and ribs hole (12) by injection orifice (13), and utilize the waste heat of liner plate (30) that mold formed bearing (31) and ribs (32) are combined as a whole with liner plate (30).
CN98101807A 1997-05-01 1998-04-29 Apparatus and method for compression moulding of car inner plate Pending CN1198376A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019970016912A KR100241127B1 (en) 1997-05-01 1997-05-01 Auto internal plate moulding method
KR16912/97 1997-05-01

Publications (1)

Publication Number Publication Date
CN1198376A true CN1198376A (en) 1998-11-11

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JP (1) JP2964034B2 (en)
KR (1) KR100241127B1 (en)
CN (1) CN1198376A (en)
DE (1) DE19818881A1 (en)

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CN102922622A (en) * 2012-11-23 2013-02-13 中国科学院宁波材料技术与工程研究所 Production method of fiber reinforced composite material rear automobile case cover
CN105291372A (en) * 2015-09-30 2016-02-03 上汽通用汽车有限公司 Hot pressing injection mold and processing technology for integrally molding fibrilia plate and surface layer
CN105473303A (en) * 2013-07-15 2016-04-06 诺维汽车内饰设计有限责任公司 Method for producing a shaped part, and such a shaped part
CN105522909A (en) * 2015-12-11 2016-04-27 重庆长安汽车股份有限公司 Automobile radiator bracket structure

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US6149853A (en) * 1998-08-03 2000-11-21 Visteon Global Technologies, Inc. Method for manufacturing interior door panels having concealed voids at the junction of integrally molded energy absorbers
US6451232B2 (en) 1999-03-25 2002-09-17 Lear Corporation Method for forming headliners
FR2793460B1 (en) * 1999-05-12 2001-07-06 Plastic Omnium Auto Interieur DECORATIVE COMPONENT AND METHOD FOR MANUFACTURING SUCH A DECORATIVE COMPONENT AND METHOD FOR MANUFACTURING AN INTERIOR CLADDING PART OF A VEHICLE, FOR EXAMPLE A DOOR PANEL, USING SUCH DECORATIVE COMPONENT
KR100315860B1 (en) * 1999-09-28 2001-12-12 유 희 춘 The forming and partially joining apparatus for decoration materials on the interial parts of an automobile
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US20030194542A1 (en) * 2002-04-11 2003-10-16 Johnson Controls Technology Company Panel with injection molded components and method of making same
US7763359B2 (en) 2004-08-30 2010-07-27 Bunge Fertilizantes S.A. Aluminum phosphate, polyphosphate and metaphosphate particles and their use as pigments in paints and method of making same
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JP2006151042A (en) * 2004-11-25 2006-06-15 Kasai Kogyo Co Ltd Interior part for automobile
WO2006063185A1 (en) * 2004-12-09 2006-06-15 Intier Automotive Inc. Insert with seal and method of using same
KR100835903B1 (en) * 2007-06-25 2008-06-09 엔브이에이치코리아(주) Molding method of interior materials for a car
US9023145B2 (en) 2008-02-12 2015-05-05 Bunge Amorphic Solutions Llc Aluminum phosphate or polyphosphate compositions
FR2951105B1 (en) * 2009-10-14 2013-02-15 Visteon Global Tech Inc METHOD AND DEVICE FOR COMPRESSION-INJECTION AND CARRIER PIECE OR TRIM FOR AUTOMOBILE OBTAINED
US9371454B2 (en) 2010-10-15 2016-06-21 Bunge Amorphic Solutions Llc Coating compositions with anticorrosion properties
US9005355B2 (en) 2010-10-15 2015-04-14 Bunge Amorphic Solutions Llc Coating compositions with anticorrosion properties
FR2974533B1 (en) * 2011-04-29 2014-07-04 Faurecia Interieur Ind METHOD FOR MOLDING A PLASTIC ELEMENT COMPRISING AN INSERT AND PLASTIC ELEMENT THEREFOR
WO2013068586A1 (en) * 2011-11-11 2013-05-16 Recticel N. V. Method to manufacture a panel comprising a substrate and at least one component adhered thereto, panel and mould system
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DE102012022249B4 (en) * 2012-08-13 2021-03-04 Shanghai Yanfeng Jinqiao Automotive Trim Systems Co., Ltd. Vehicle interior trim part and method for connecting a carrier and a connection element
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CN107719265A (en) * 2017-08-24 2018-02-23 太仓鸿恩电子科技有限公司 A kind of high-strength corrosion-resisting trim strip inside automobile and its injection molding process
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CN102922622A (en) * 2012-11-23 2013-02-13 中国科学院宁波材料技术与工程研究所 Production method of fiber reinforced composite material rear automobile case cover
CN105473303A (en) * 2013-07-15 2016-04-06 诺维汽车内饰设计有限责任公司 Method for producing a shaped part, and such a shaped part
CN105291372A (en) * 2015-09-30 2016-02-03 上汽通用汽车有限公司 Hot pressing injection mold and processing technology for integrally molding fibrilia plate and surface layer
CN105522909A (en) * 2015-12-11 2016-04-27 重庆长安汽车股份有限公司 Automobile radiator bracket structure
CN105522909B (en) * 2015-12-11 2018-04-03 重庆长安汽车股份有限公司 A kind of automobile radiators carrier structure

Also Published As

Publication number Publication date
DE19818881A1 (en) 1998-11-05
JPH11147261A (en) 1999-06-02
KR100241127B1 (en) 2000-02-01
KR19980082175A (en) 1998-12-05
JP2964034B2 (en) 1999-10-18

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