KR960703738A - 복합 자동차 범퍼 빔(composite motor vehicle bumper beam) - Google Patents

복합 자동차 범퍼 빔(composite motor vehicle bumper beam) Download PDF

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Publication number
KR960703738A
KR960703738A KR1019960700276A KR19960700276A KR960703738A KR 960703738 A KR960703738 A KR 960703738A KR 1019960700276 A KR1019960700276 A KR 1019960700276A KR 19960700276 A KR19960700276 A KR 19960700276A KR 960703738 A KR960703738 A KR 960703738A
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KR
South Korea
Prior art keywords
bumper beam
glass fibers
preform
injection molded
vehicle bumper
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KR1019960700276A
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English (en)
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조쉬 켈만
걸머 브이. 넬슨
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필립 에스. 월슨
데이빗슨, 텍스트론 인크.
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Publication of KR960703738A publication Critical patent/KR960703738A/ko

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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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • B29C67/246—Moulding high reactive monomers or prepolymers, e.g. by reaction injection moulding [RIM], liquid injection moulding [LIM]
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/08—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers
    • B29C70/081—Combinations of fibres of continuous or substantial length and short fibres
    • 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
    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/28—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer impregnated with or embedded in a plastic substance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/03—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by material, e.g. composite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/24—Arrangements for mounting bumpers on vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
    • B60R2019/1833—Structural beams therefor, e.g. shock-absorbing made of plastic material
    • B60R2019/1853—Structural beams therefor, e.g. shock-absorbing made of plastic material of reinforced plastic material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2926—Coated or impregnated inorganic fiber fabric
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2926—Coated or impregnated inorganic fiber fabric
    • Y10T442/2992—Coated or impregnated glass fiber fabric
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3008—Woven fabric has an elastic quality
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3472—Woven fabric including an additional woven fabric layer
    • Y10T442/3504—Woven fabric layers comprise chemically different strand material
    • Y10T442/3512—Three or more fabric layers
    • Y10T442/352—One of which is a nonwoven fabric layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3854—Woven fabric with a preformed polymeric film or sheet
    • Y10T442/3911—Natural or synthetic rubber sheet or film

Abstract

구조적 반응 사출 형성된 자동차 범퍼 빔은 교차 유리 섬유가 범퍼 빔의 수직 방향으로 향하는 것을 특징으로 하는 교차 유리 섬유 및 절단 유리 섬유의 층으로 형성된 예비 성형체로 구성된다. 최소 50% 이상의 순 신장율을 갖는 2성분, 비충만 반응 사출 성형 중합/순수 폴리우레탄 계 수지는 실질적인 강도 및 강성을 갖는 유리 섬유 층을 복합 범퍼 빔에서 상호 결합시키고 고적응성 수지는 넓은 빔 변형이 커다란 균열 없이 범퍼 빔으로 하여금 다른 보조 기구없이도 사용 요구 조건을 만족시키기 위하여 반복 충격 속에서도 충분한 에너지를 흡수 할 수 있도록 한다.

Description

복합 자동차 범퍼 빔(COMPOSITE MOTER VEHICLE BUMPER BEAM)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 자동차의 전방에 설치된 본 발명에 따르는 복합 범퍼 빔의 투시도이다,
제2도는 화살표 방향으로 보았을 때 제1도의 2-2선을 따르는 왁대도이다,
제3도는 제1도에서의 범퍼 빔의 구조에서 사용되는 예비 성형체의 부분 수직단면도이다,
제4도는 화살표 방향으로 보았을때 제3도의 4-4선을 따르는 도면이다,
제5도는 예비 성형체의 다른 실시예를 도시한 제3도와 유사한 도면이다,
제6도는 화살표 방향으로 보았을 때 제5도의 6-6성을 따르는 도면이다,
제7도는 예비 성형체의 배치된 제1도에서의 범퍼 빔을 제작하는데 사용되는 주형의 전개 투시도이다.

Claims (7)

  1. 적어도 한 층의 전달 유리 섬유 및 대부분이 범퍼 빔에 평행하고 길이 방향으로 있는 한 층의 교차 유리 섬유로 구성되는 유리 섬유의 예비 성형체 및 50% 보다 큰 순 백분율을 갖는 중합/순수 우레탄계 수지로 구성 된 것을 특징으로 하는 반응 사출 성형된 복합 자동차 범퍼 빔.
  2. 제1항에 있어서, 상기 절단 유리 섬유 층을 사이에 끼고 있는 적어도 두 개의 교차 유리 섬유가 있는 것을 특징으로 하는 반응 사출 성형된 복합 자동차 범퍼빔.
  3. 제1항에 있어서, 상기 교차 유리 섬유가 상호 편물로 된 것을 특징으로 하는 반응 사출 성형된 복합 자동차 범퍼 빔.
  4. 제1항에 있어서, 상기 교차 유리 섬유가 상호 직물로 된 것을 특징으로 하는 반응 사출 성형된 복합 자동차 범퍼 빔.
  5. 제1항에 있어서, 66% 이상의 교차 유리 섬유가 범퍼 빔에 평행하고 길이 방향으로 향하는 것을 특징으로 하는 반응 사출 성형된 복합 자동차 범퍼 빔.
  6. 복합 자동차 범퍼 빔을 제작하는 방법에 있어서, 적어도 하나의 절단 유리로된 섬유 범퍼 예비 성형체층을 형성하는 단계와, 유리 섬유의 대부분이 범퍼 빔에 수평하고 길이 방향으로 향하는 적어도 하나의 절단 유리 섬유 범퍼 예비 성형체 층을 형성하는 단계와, 범퍼 빔에 유사한 형상의 예비 성형체를 형성하기 위해 예비 성형체 층을 서로 결합시키는 단계와, 원하는 범퍼 빔 형태의 외면을 형성하는 표면을 갖는 주형 공동을 정하는 분리 가능한 주형 표면을 갖는 주형을 성형하는 단계와, 상기 예비 성형체를 상기 주형 표면 사이에 놓고 상기 주형을 밀접시키는 단계, 및 적어도 순 백분율 50% 이상을 갖는 반응 사출 성형 중합/순수 우레탄계 수지를 상기 공동내 및 상기 예비 성형체 주위와 이를 관통하여 사출시켜 중합 반응에 의해 복합 범퍼 빔을 성형하는 단계를 포함하는 것을 특징으로 하는 반응 사출 성형된 복합 자동차 범퍼 빔 제작 방법.
  7. 제6항에 있어서, 대부분의 교차 유리 섬유가 범퍼 빔에 평행하고 길이 방향으로 배치된 적어도 두 개의 교차 유리 섬유 예비 성형체 층을 성형하는 단계, 및 상기 예비 성형체를 형성하기 위해서 절단 유리 섬유의 예비 성형체 층을 교차 유리 섬유의 두 예비 성형체 층 사이에 삽입시키는 단계를 포함하는 것을 특징으로 하는 반을 사출 성형된 복합 자동차 범퍼 빔 제작 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960700276A 1994-05-20 1995-04-25 복합 자동차 범퍼 빔(composite motor vehicle bumper beam) KR960703738A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US24675894A 1994-05-20 1994-05-20
US08/246,758 1994-05-20
PCT/US1995/005558 WO1995032326A1 (en) 1994-05-20 1995-04-25 Composite motor vehicle bumper beam

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KR960703738A true KR960703738A (ko) 1996-08-31

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Country Link
US (1) US5804511A (ko)
EP (1) EP0710302A1 (ko)
JP (1) JPH09500592A (ko)
KR (1) KR960703738A (ko)
CA (1) CA2166714A1 (ko)
MX (1) MX9600296A (ko)
WO (1) WO1995032326A1 (ko)

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EP0710302A1 (en) 1996-05-08

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