[특허]Apparatus and method for forming a tubular frame member

Apparatus and method for forming a tubular frame member 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B21D-026/02
출원번호	US-0077616 (1993-08-23)
발명자 / 주소	Roper Ralph E. (Indianapolis IN) Webb Gary A. (West Bloomfield MI) Tyger Douglas W. (West Chester OH)
출원인 / 주소	Armco Steel Company, L.P. (Middletown OH 02) Price Enterprises, Ltd. (Madison Heights MI 02)
인용정보	피인용 횟수 : 31 인용 특허 : 0

초록 ▼

An apparatus for forming a frame member for an automobile from a tube blank applies internal hydraulic pressure to the blank, tangent bends and preforms the internally pressurized blank into a preformed tube having a desired horizontal profile configuration, then forms the preformed tube into a finally formed frame member having a desired vertical profile configuration and a desired, varying cross-sectional configuration by placing the preformed tube in a stuffing ledge apparatus having a lower die with an upwardly facing ledge and vertically extending, punch engaging surfaces and a punch having a downwardly facing ledge and vertically extending, die engaging surfaces, internally pressurizing the tube, and then ramming the punch downwardly to form the tube into the finally formed frame member, the ledges and vertically extending surfaces substantially completely enclosing a portion of the tube before and while the punch and die come together to form the tube into the finally formed frame member. The forming components in each apparatus are submerged in an aqueous bath, allowing the blank and tube to automatically fill themselves, thereby facilitating sealing and pressurizing of the tube.

대표청구항 ▼

An apparatus for forming a complex-shaped frame member from a cylindrical tube blank having first and second opposite ends, comprising: a base; a die mounted upon said base and defining a pair of vertical parallel punch engaging surfaces and a horizontal upwardly facing lower stuffing ledge therebetween; a punch defining a pair of vertical parallel die engaging surfaces and a horizontal downwardly facing upper stuffing ledge therebetween, and wherein said punch is suspended above said die such that said die and punch engaging surfaces are constantly parallel and such that said upper and lower stuffing ledges are in constant vertical alignment along a path parallel to said punch and die engaging surfaces; wherein said punch has a retracted, non-engaging position above and away from said die; wherein said die is adapted to receive a tube blank upon its lower stuffing ledge when said punch is in the retracted position; wherein said punch has a fully extended position wherein said die engaging surfaces are in substantially complete mutually cooperating engagement with said punch engaging surfaces so as to surround a tube blank and wherein said upper and lower stuffing ledges together define the desired complex-shaped frame member configuration; wherein the apparatus further includes punch moving means for reciprocating said punch between said retracted position and said fully extended position.

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Roper Ralph E., Apparatus and method for forming a tubular frame member.
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Park,Byung Cheol, Apparatus for forming a beam member used as a torsion beam for the rear wheel suspension of an automobile.
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Roper Ralph E., Apparatus for forming a tubular frame member.
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Horton Frank A., Method and apparatus for wrinkle-free hydroforming of angled tubular parts.
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Ash Stanley P., Method of forming and piercing a tube.
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Marando Richard A. ; Sanko Thomas R. ; Schrack Eric M., Method of hydroforming a vehicle frame component.
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Mitchell,George A.; Russo,Paul F., Method of making metal workpiece.
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Horton Frank A. ; Jacobs Kenneth B. ; Jacobs Jason D. ; Mayo ; III Howard A., Method of manufacturing a motor vehicle frame assembly.
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Horton Frank A. ; Jacobs Kenneth B. ; Jacobs Jason D. ; Mayo ; III Howard A., Motor vehicle frame assembly and method of forming the same.
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Bihrer Hans Otto, Multi-piece hydroforming tool.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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Apparatus and method for forming a tubular frame member 원문보기

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Apparatus and method for forming a tubular frame member 원문보기

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