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특허 상세정보

Foamed plastic core door

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) E04C-002/20   
미국특허분류(USC) 52/3099 ; 52/407
출원번호 US-0036299 (1979-05-07)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 62  인용 특허 : 0
초록

A foamed plastic core door, structural panel or closure member comprises an inner core of light weight, cellular, foamed plastic material having opposite outwardly facing side surfaces, each formed with a base portion having a plurality of relatively small, integrally formed, outwardly projecting, compressible bosses arranged at spaced apart intervals thereon. At least one outer skin or decorative door face member is provided having an inside surface confronting said core surface in facing spaced apart relation with the base portion and in adhesive conta...

대표
청구항

A closure member comprising: an inner core of light weight, resinous plastic, relatively rigid type, cellular foam material having an outwardly facing surface formed with a planar base portion having a plurality of small, outwardly projecting compressible bosses arranged in spaced apart intervals in a matrix pattern thereon; said projecting bosses being formed to be substantially frusto-conical in shape and including a substantially planar outer face of circular shape; an outer skin for said closure member having an inside surface confronting said core s...

이 특허를 인용한 특허 피인용횟수: 62

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