WO2019098741A1 - Cadre de dossier de siège de véhicule avec tissu intégré à celui-ci et son procédé de fabrication - Google Patents

Cadre de dossier de siège de véhicule avec tissu intégré à celui-ci et son procédé de fabrication Download PDF

Info

Publication number
WO2019098741A1
WO2019098741A1 PCT/KR2018/014081 KR2018014081W WO2019098741A1 WO 2019098741 A1 WO2019098741 A1 WO 2019098741A1 KR 2018014081 W KR2018014081 W KR 2018014081W WO 2019098741 A1 WO2019098741 A1 WO 2019098741A1
Authority
WO
WIPO (PCT)
Prior art keywords
fabric
composite material
seat back
back frame
thermoplastic
Prior art date
Application number
PCT/KR2018/014081
Other languages
English (en)
Korean (ko)
Inventor
김동관
길용길
문형준
강용한
김희준
박상현
이은국
Original Assignee
(주)엘지하우시스
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by (주)엘지하우시스 filed Critical (주)엘지하우시스
Publication of WO2019098741A1 publication Critical patent/WO2019098741A1/fr

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/68—Seat frames
    • B60N2/686—Panel like structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/68—Seat frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/02—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/12—Pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2398/00—Unspecified macromolecular compounds
    • B32B2398/20—Thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/08—Cars

Definitions

  • the present invention relates to a seat back frame for a vehicle-monolithic vehicle and a manufacturing method thereof, and more particularly, to a seat back frame for a vehicle, which is made of a monolithic composite material in which a fabric and a thermoplastic fiber-
  • a seat for a vehicle is important in terms of ride comfort and safety, and absorbs shocks or vibrations transmitted when the vehicle is traveling to provide comfort to passengers.
  • the seat back frame is a rigid structure provided inside a seat of a vehicle, and is a basic structure of a seat back that helps a user to take a comfortable and stable posture.
  • a seat back frame of a passenger car (hereinafter briefly referred to as a " seat back frame ") may cause a breakage or deformation of the seat due to passenger behavior when the automobile suddenly stops or collides, have.
  • the seat back frame stipulates that there will be no breakage of the seat back due to inertia due to the self weight of the seat back in the event of a vehicle collision, a collision, or a sudden stop, a permanent deformation and breakage of the seat back when pulled or pushed by a constant force It must satisfy the regulations.
  • the seat back frame according to the conventional method is manufactured using a single material such as steel.
  • the seat back frame is made of a material such as steel, there is a drawback that the seat back frame itself has a heavy cramp.
  • One aspect of the present invention is to provide a manufacturing method of a monolithic automotive vehicle capable of omitting a post process such as painting and fabric wrapping since it is made lightweight while maintaining the rigidity and strength as the steel frame and is integrally formed with the fabric, Thereby providing a seatback frame.
  • Another aspect of the present invention is to provide a slim, fabric-integrated seat back frame for a vehicle, in which a board that is further combined with the seat back frame as the fabric is integrally formed can be omitted.
  • Another aspect of the present invention is to provide a method for manufacturing a vehicular seatback frame by laminating a fabric and a thermoplastic fiber reinforced composite material through a simple process and using a lapped fabric-integrated composite material.
  • the seat back frame for a vehicle-integrated type vehicle includes a fabric and an integrated composite material made of a thermoplastic fiber reinforced composite material bonded to one side of the fabric.
  • the fabric may include a PET nonwoven fabric.
  • a silicon coating layer may be formed on the other side of the fabric.
  • the thermoplastic fiber reinforced composite material may be composed of a composite resin including a continuous fiber reinforced thermoplastic (CFT) or a continuous fiber reinforced thermoplastic resin (CFT).
  • CFT continuous fiber reinforced thermoplastic
  • CFT continuous fiber reinforced thermoplastic resin
  • the seat back frame for a vehicle-integrated type vehicle includes a frame body and a reinforcing agent, the frame body including a fabric and a thermoplastic fiber reinforced composite material having the fabric bonded on one surface thereof, And the reinforcing agent is coupled to the inside of the frame body.
  • the reinforcing agent is injection-molded into a thermoplastic fiber reinforced composite material inside the frame body, and a long fiber reinforced thermoplastic (LFT) or a short fiber reinforced thermoplastic resin SFT) or a long fiber reinforced thermoplastic resin (LFT).
  • LFT long fiber reinforced thermoplastic
  • SFT short fiber reinforced thermoplastic resin
  • LFT long fiber reinforced thermoplastic resin
  • a method for manufacturing a seat back frame for a vehicle integrated with a vehicle includes a thermoplastic resin lamination step of laminating a fabric on one surface of a thermoplastic fiber reinforced composite material to form a material for molding into a monolithic composite material, A heating and pressing compounding step of applying heat to the fabric and the thermoplastic fiber reinforced composite material to bond the fabric and the thermoplastic fiber reinforced composite material to form a monolithic composite material, And a forming step of forming the resin into a shape.
  • the heating and pressurizing step includes a step of thermally fusing one surface of the thermoplastic fiber-reinforced composite material opposite to the fabric, the thermoplastic fiber- And is press-coupled.
  • the heating temperature in the heating and pressurizing step may be 220 to 240 ° C and the pressure may be 5 to 6 Bar.
  • the thermoplastic fiber reinforced composite material may be composed of a composite resin including a continuous fiber reinforced thermoplastic resin (CFT) or a continuous fiber reinforced thermoplastic resin (CFT).
  • CFT continuous fiber reinforced thermoplastic resin
  • CFT continuous fiber reinforced thermoplastic resin
  • the forming step may be a press-pressing step, and may include a preheating step of applying heat to the fabric-integrated composite material before press-pressing.
  • the preheating step may provide a higher temperature to the thermoplastic fiber reinforced composite material side than the far end side.
  • the present invention it is possible to omit post-processes such as painting and fabric wrapping, since the steel frame is made lightweight while maintaining the rigidity and strength as the steel frame and is integrally formed with the fabric. It is possible to obtain a slimized fabric-integrated seat back frame for a vehicle by merely joining the fabric and the thermoplastic fiber reinforced composite material through a simple process, A method of manufacturing a seat-back frame for a monobloc vehicle can be obtained.
  • FIG. 1 is a schematic view showing a fabric-integrated composite material as a material for a seat back frame for a one-body integrated vehicle according to an embodiment of the present invention.
  • FIG. 2 is a plan view schematically showing a single-body integrated seat back frame for a vehicle according to an embodiment using the fabric-integrated composite material shown in FIG. 1.
  • FIG. 2 is a plan view schematically showing a single-body integrated seat back frame for a vehicle according to an embodiment using the fabric-integrated composite material shown in FIG. 1.
  • FIG. 3 is a flowchart schematically showing a manufacturing method of a seat back frame for a one-body integrated vehicle according to an embodiment of the present invention.
  • Fig. 4 is a detailed process diagram schematically showing an embodiment of the molding step shown in Fig. 3.
  • Fig. 4 is a detailed process diagram schematically showing an embodiment of the molding step shown in Fig. 3.
  • FIG. 5 is a perspective view schematically showing a temporal example of a one-end integrated vehicle seatback frame formed with a reinforcing agent.
  • FIG. 1 is a schematic view showing a fabric-integrated composite material as a material for a seat back frame for a one-body integrated vehicle according to an embodiment of the present invention.
  • the fabric-integrated composite material 100 includes a fabric 110 and a thermoplastic fiber-reinforced composite material 120.
  • the fabric 110 may comprise a PET nonwoven fabric.
  • the silicone coating layer 111 may be formed on the fabric 110 so that the pattern of the fabric is not deformed by heat applied from the outside.
  • the silicon coating layer 111 may be formed to have a thickness of 0.2 mm to 2 mm in order to secure a pattern-protecting function.
  • thermoplastic fiber reinforced composite material 120 is bonded to one side of the fabric 110 on which the silicone coating layer 111 is not formed and is made of a continuous fiber reinforced thermoplastic (CFT) or a continuous fiber reinforced thermoplastic resin CFT). ≪ / RTI >
  • the thermoplastic resin contained in the continuous fiber-reinforced thermoplastic resin may include at least one selected from the group consisting of a polypropylene resin, a polyethylene resin, a polyamide resin, a polyester resin, a polyphenylene sulfide resin, and a combination thereof .
  • the continuous fiber reinforced thermoplastic resin can be made of polypropylene resin and continuous glass fiber (GF).
  • the continuous fiber reinforced thermoplastic resin effectively absorbs external impact and is highly suitable for a vehicle seat back frame because of its high rigidity and impact strength.
  • the fabric-integrated composite material 100 is formed integrally with the fabric 110 while covering one surface of the thermoplastic fiber-reinforced composite material 120, thereby preventing the above problem.
  • FIG. 2 is a plan view schematically showing a single-body integrated seat back frame for a vehicle according to an embodiment using the one-piece composite material shown in FIG.
  • the seat back frame 1000 is formed by molding a monolithic composite material in which the distal end portion 1100 and the frame portion 1200 are integrated.
  • the distal end portion 1100 includes a PET nonwoven fabric
  • the frame portion 1200 is made of a continuous fiber-reinforced thermoplastic resin (CFT).
  • CFT thermoplastic resin
  • the fabric-integrated composite material is press-formed by a press to form the seat back frame 1000 shown in Fig.
  • FIG. 3 is a flowchart schematically showing a manufacturing method of a seat back frame for a one-body integrated vehicle according to an embodiment of the present invention.
  • a manufacturing method (S1000) of a fabric-integrated vehicle seat back frame includes a fabric and a continuous fiber-reinforced thermoplastic resin lamination step (S1100), a heating and pressurizing step (S1200), and a molding step (S1300).
  • the fabric and thermoplastic fiber-reinforced composite material lamination step (S1100) is a step for preparing a material for forming a fabric-integrally composite material by laminating a fabric on one side of the thermoplastic fiber-reinforced composite material.
  • thermoplastic fiber reinforced composite material can be made of a composite material including a continuous fiber reinforced thermoplastic (CFT) or a continuous fiber reinforced thermoplastic resin (CFT).
  • CFT continuous fiber reinforced thermoplastic
  • CFT continuous fiber reinforced thermoplastic resin
  • thermoplastic resin CFT
  • press fabric is combined with the continuous fiber-reinforced thermoplastic resin (CFT) .
  • one side of the continuous fiber-reinforced thermoplastic resin (CFT) facing the fabric is melted by heat, and the fabric is pressed and bonded to one side of the continuous fiber-reinforced thermoplastic resin (CFT).
  • the heating temperature is 220 ° C ⁇ 240 ° C and the pressure can be 5 ⁇ 6 Bar.
  • a fabric having a silicone coating layer may be adopted so that the pattern of the fabric is not deformed by the heat applied from the outside.
  • the molding step S1300 is a step of molding the monolithic composite resin in which the raw fabric and the continuous fiber-reinforced thermoplastic resin are integrated through the heating and pressing step (S1200) into a seatback frame shape.
  • the forming step S1300 may be a press-pressing step.
  • the composite material with a single fabric is subjected to two heating steps. That is, it is firstly heated in the heating and pressurizing step S1200, and then heated in the forming step S1300 secondarily.
  • Fig. 4 is a detailed process diagram schematically showing an embodiment of the molding step shown in Fig. 3.
  • Fig. 4 is a detailed process diagram schematically showing an embodiment of the molding step shown in Fig. 3.
  • the fabric-integrated composite material 100 is press- Is positioned between the upper mold (10) and the lower mold (20). Then, the upper mold 10 is moved to the lower portion and the lower mold 20 is moved upward to press-mold the composite material 100 with one end.
  • the full-body integrated vehicle seatback frame can further incorporate the reinforcing member into the inside of the fabric-integrated vehicle seatback frame by injection molding, which is an additional process.
  • FIG. 5 is a perspective view schematically showing a temporal example of a one-end integrated vehicle seatback frame formed with a reinforcing agent.
  • the fabric-integrated type vehicle seat back frame 2000 includes a frame body 2100 and a reinforcing agent 2200.
  • the frame body 2100 is formed by integrating the fabric 2110 and the thermoplastic fiber reinforced composite material 2120.
  • the frame body 2100 may be made of the thermoplastic fiber reinforced composite material and may be made of a composite resin including a continuous fiber reinforced thermoplastic (CFT) or a continuous fiber reinforced thermoplastic resin (CFT).
  • CFT continuous fiber reinforced thermoplastic
  • CFT continuous fiber reinforced thermoplastic resin
  • the reinforcing agent (2200) is injection molded into a thermoplastic fiber reinforced composite material inside the frame body (2100).
  • the reinforcing agent 2200 is used to provide rigidity and strength to the frame body 2100.
  • the reinforcing agent 2200 may be a long fiber reinforced thermoplastic (LFT) or a short fiber reinforced thermoplastic resin (SFT) or a long fiber reinforced thermoplastic resin (LFT).
  • the thermoplastic resin included in the long fiber reinforced thermoplastic resin may include at least one selected from the group consisting of polypropylene resin, polyethylene resin, polyamide resin, polyester resin, polyphenylene sulfide resin, and combinations thereof can do.
  • the seat back frame 2000 for a one-body integrated type vehicle has a reinforcing agent 2200 inside and a far end 2110 joined to the outside.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Laminated Bodies (AREA)
  • Seats For Vehicles (AREA)

Abstract

Selon un mode de réalisation, la présente invention concerne un cadre de dossier de siège de véhicule avec un tissu intégré à celui-ci comprenant un matériau composite intégré dans un tissu comprenant un tissu et un matériau composite renforcé de fibres thermoplastiques accouplé à premier un côté du tissu. Selon la présente invention, il est possible d'obtenir : un cadre de dossier de siège de véhicule avec un tissu intégré à celui-ci, qui est léger tout en maintenant une rigidité et une résistance équivalentes à un cadre en acier, est formé d'un seul tenant avec un tissu et peut ainsi exclure des post-traitements tels qu'un revêtement et une protection avec un tissu, et en raison du tissu intégré à celui-ci, ne nécessite aucune planche à joindre au cadre de dossier de siège et peut ainsi être aminci ; et un procédé de fabrication d'un cadre de dossier de siège de véhicule avec un tissu intégré à celui-ci, le cadre de dossier de siège pouvant être fabriqué facilement et simplement à l'aide d'un matériau composite intégré au tissu qui est obtenu par stratification d'un tissu et d'un matériau composite renforcé de fibres thermoplastiques.
PCT/KR2018/014081 2017-11-16 2018-11-16 Cadre de dossier de siège de véhicule avec tissu intégré à celui-ci et son procédé de fabrication WO2019098741A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170152735A KR20190055903A (ko) 2017-11-16 2017-11-16 원단 일체형 차량용 시트백 프레임 및 그의 제조방법
KR10-2017-0152735 2017-11-16

Publications (1)

Publication Number Publication Date
WO2019098741A1 true WO2019098741A1 (fr) 2019-05-23

Family

ID=66539710

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2018/014081 WO2019098741A1 (fr) 2017-11-16 2018-11-16 Cadre de dossier de siège de véhicule avec tissu intégré à celui-ci et son procédé de fabrication

Country Status (2)

Country Link
KR (1) KR20190055903A (fr)
WO (1) WO2019098741A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112356457A (zh) * 2020-09-30 2021-02-12 上海晋飞碳纤科技股份有限公司 一种复合材料椅背的模压加袋压一体成型工艺

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010088702A (ja) * 2008-10-09 2010-04-22 Tachi S Co Ltd シートバック組立方法
KR20150144050A (ko) * 2014-06-16 2015-12-24 (주)엘지하우시스 자동차 시트백의 외장보드 제조방법
KR20160121495A (ko) * 2016-10-11 2016-10-19 코오롱글로텍주식회사 차량용 가죽시트 커버의 제조방법
KR101738058B1 (ko) * 2016-01-13 2017-05-19 현대자동차주식회사 차량용 시트백프레임 구조 및 그 제조방법
KR101771011B1 (ko) * 2015-12-04 2017-08-24 한화첨단소재 주식회사 하이브리드 타입의 차량용 리어 시트백 프레임

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010088702A (ja) * 2008-10-09 2010-04-22 Tachi S Co Ltd シートバック組立方法
KR20150144050A (ko) * 2014-06-16 2015-12-24 (주)엘지하우시스 자동차 시트백의 외장보드 제조방법
KR101771011B1 (ko) * 2015-12-04 2017-08-24 한화첨단소재 주식회사 하이브리드 타입의 차량용 리어 시트백 프레임
KR101738058B1 (ko) * 2016-01-13 2017-05-19 현대자동차주식회사 차량용 시트백프레임 구조 및 그 제조방법
KR20160121495A (ko) * 2016-10-11 2016-10-19 코오롱글로텍주식회사 차량용 가죽시트 커버의 제조방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112356457A (zh) * 2020-09-30 2021-02-12 上海晋飞碳纤科技股份有限公司 一种复合材料椅背的模压加袋压一体成型工艺

Also Published As

Publication number Publication date
KR20190055903A (ko) 2019-05-24

Similar Documents

Publication Publication Date Title
WO2019098743A1 (fr) Armature de dossier de siège pour véhicule et son procédé de fabrication
WO2016048071A1 (fr) Cadre de dossier de siège, son procédé de préparation et dossier de siège de pour véhicule
US10414307B2 (en) Back frame of vehicle seat
JP5362043B2 (ja) 一体化されたバックシートと複合補剛層とを含むシートバック
WO2016182173A1 (fr) Procédé de moulage par injection d'un insert à l'aide d'un matériau composite renforcé par une fibre et produit moulé par injection en utilisant ledit procédé
WO2019098741A1 (fr) Cadre de dossier de siège de véhicule avec tissu intégré à celui-ci et son procédé de fabrication
WO2016093640A1 (fr) Appui-tête intégré de type mousse ayant différentes duretés, et procédé de fabrication de celui-ci
WO2017082693A1 (fr) Armature de dossier de siège moulée par injection sur insert de préformage en cft
US10307949B2 (en) Method of forming a frame of a seat back for a vehicle
WO2017061721A1 (fr) Feuille d'intérieur de véhicule, procédé de fabrication de matériau d'intérieur de véhicule l'utilisant, et matériau d'intérieur de véhicule fabriqué par ledit procédé de fabrication
WO2020166973A1 (fr) Cadre de dossier de siège à extérieur en carbone et son procédé de fabrication
WO2018124768A1 (fr) Procédé de fabrication de cache inférieur de protection pour véhicule et cache inférieur de protection fabriqué par ce procédé
WO2023113121A1 (fr) Panneau de dossier utilisant un thermoplastique renforcé léger et ultraléger
KR102315465B1 (ko) 외관스킨 접착형 시트백 프레임 및 그 제조 방법
KR101759207B1 (ko) 차일드 시트 체결구조가 포함된 cfrtpc 복합소재 시트백 프레임 제조방법
WO2021133147A1 (fr) Procédé de fabrication de bras de suspension de véhicule
WO2020122306A1 (fr) Ensemble de châssis de siège et son procédé de fabrication
WO2022014869A1 (fr) Structure tridimensionnelle et son procédé de fabrication
KR102200970B1 (ko) 차량용 시트백 프레임 및 그의 제조방법
WO2020111612A1 (fr) Ensemble conduit de rembourrage de sécurité doté d'une structure d'accouplement hermétiquement scellée
JPS5920630A (ja) モ−ルデイングの製造方法
WO2019031933A1 (fr) Boîtier de coussin de sécurité gonflable pour véhicules et procédé de fabrication associé
WO2018124763A1 (fr) Protection de bas de caisse de véhicule ayant une partie de montage renforcée et son procédé de fabrication
WO2010074476A1 (fr) Volant de direction en polypropylène expansé monolithique, appareil de fabrication et procédé pour celui-ci
CN215417313U (zh) 用于车载显示屏的封装结构、车载面板及车辆

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18878743

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18878743

Country of ref document: EP

Kind code of ref document: A1

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 22/01/2021)

122 Ep: pct application non-entry in european phase

Ref document number: 18878743

Country of ref document: EP

Kind code of ref document: A1