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특허 상세정보

Method for injection molding of hollow shaped bodies from thermoplastic resins

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B29C-005/06   
미국특허분류(USC) 264/572 ; 264/155 ; 425/533
출원번호 US-0647793 (1976-01-09)
우선권정보 DE-2501314 (1975-01-15)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Curtis, Morris & Safford
인용정보 피인용 횟수 : 70  인용 특허 : 1
초록

A method for making a hollow shaped body from a thermoplastic resin by injection molding, which method comprises injecting an amount of molten resin sufficient for the preparation of the hollow shaped body from an injection nozzle into a mold through an injection aperture in said mold, injecting gas under pressure through said injection nozzle and aperture to expand and distribute the molten resin over the interior surfaces of the mold, whereby said hollow shaped body is formed within said mold with a gas-entry opening in said hollow shaped body, cooling...

대표청구항이 없습니다

이 특허를 인용한 특허 피인용횟수: 70

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