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특허 상세정보

Insulation formed of precipitated silica and fly ash

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B32B-001/00    B32B-001/10    B65B-031/00    E04B-001/74   
미국특허분류(USC) 428/68 ; 53/434 ; 252/62 ; 156/3031
출원번호 US-0891157 (1986-07-31)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 41  인용 특허 : 8
초록

Precipitated silica is mixed with a fly ash material and is employed as an insulating material having a low thermal conductivity. The mixture of precipitated silica and fly ash material is dried, compressed, placed in an evacuable pouch, and evacuated. The resulting board-like insulation configuration is used directly as insulation. The board-like material which is produced may be used as insulation in household refrigerators and freezers by placing it in an insulation space between the inner liner and the outer case and encapsulating the board-like mate...

대표
청구항

A slab of board-like material for use as a thermal insulation comprising: a. a precipitated silica and a fly ash material, there being between 30% and 70% of said fly ash material based upon the total weight of said precipitated silica and fly ash material; and b. a gas and water tight envelope containing said mixture of precipitated silica and fly ash material.

이 특허를 인용한 특허 피인용횟수: 41

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