[특허]Method and apparatus for shaping, forming, consolidating and co-consolidating thermoplastic or thermosetting composite p

[미국특허] Method and apparatus for shaping, forming, consolidating and co-consolidating thermoplastic or thermosetting composite p 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B32B-031/20
출원번호	US-0392628 (1989-08-11)
발명자 / 주소	Thein Joe K. (Torrance CA) Mejia Mauricio A. (Los Angeles CA)
출원인 / 주소	Northrop Corporation (Los Angeles CA 02)
인용정보	피인용 횟수 : 76 인용 특허 : 0

초록 ▼

A method of shaping, forming, consolidating and co-consolidating a workpiece of layers of thermoplastic or thermosetting composite material into a final composite product. The associated apparatus includes upper and lower sheets of Kapton, Upilex or equivalent film which are positioned between upper and lower supports, respectively, in facing relationship and adapted to receive therebetween a workpiece to be shaped and formed. Means are provided for applying high heat to opposite sides of the supports, the sheets and the workpiece. Means are also provided for applying high pressure to the upper sheet, a diaphragm, and one side of the workpiece and for applying vacuum pressure to the other sheet and the other side of the workpiece for shaping and forming the workpiece into the final composite product.

대표청구항 ▼

A method for shaping, forming, consolidating, and co-consolidating a workpiece into a composite product, said workpiece formed of layers of thermoplastic or thermosetting material and having upper and lower sides, comprising the steps of: providing an upper support and a lower support mounted in opposed relationship for relative movement toward and away from each other, said lower support having a recess therein; a tool-shaped, apertured plate positioned in said recess in said lower support; said apertured plate serving to shape and support said workpiece as it is formed; and an upper sheet of polyimide film and a lower sheet of perforated polyimide film; locating said sheets between said upper and lower supports and in facing relationship and adapted to receive said workpiece therebetween, placing said workpiece between said sheets, pneumatically sealing said upper sheet to said upper support to serve as a diaphragm on the upper side of said workpiece, placing said lower sheet in pneumatic communication with said lower support and, through said perforations with the lower side of said workpiece, applying heat in excess of 800 degrees Fahrenheit to said supports, said upper and lower polyimide sheets, said support plate, and said workpiece, applying air under high pressure between the upper sheet and the upper support to operatively press and deform the upper sheet against the workpiece by applying a shaping force thereto, and simultaneously applying vacuum through said apertured plate to the lower sheet and the lower side of said workpiece, until said air under pressure operating against the upper sheet presses and shapes the workpiece toward the lower support to which it is pulled by said vacuum to shape said heated workpiece into a formed composite product by stretching the polyimide film under heat and pressure into plastic deformation against the workpiece and toward the plate from the upper side and by pulling the workpiece into intimate contact with the plate under vacuum from said lower side, said vacuum being applied to and through said apertured plate and said lower polyimide sheet to said workpiece.

이 특허를 인용한 특허 (76) 인용/피인용 타임라인 분석

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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Method and apparatus for shaping, forming, consolidating and co-consolidating thermoplastic or thermosetting composite p 원문보기

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[미국특허] Method and apparatus for shaping, forming, consolidating and co-consolidating thermoplastic or thermosetting composite p 원문보기

초록 ▼

대표청구항 ▼

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