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특허 상세정보

Concrete slab-wall spacer with water and radon removal features

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) E02D-019/00   
미국특허분류(USC) 52/169.5 ; 52/169.14 ; 52/302.1 ; 404/08 ; 405/045 ; 405/050
출원번호 US-0437981 (1995-05-10)
발명자 / 주소
대리인 / 주소
    Schmeiser, Olsen & Watts
인용정보 피인용 횟수 : 61  인용 특허 : 12
초록

A concrete slab and wall spacer with water and radon removal elements. The invention includes a cross-sectionally, L-shaped elongate strip of semi-rigid, nonbiodegradable material. At least halfway up the entire elongate vertical leg of the L-shape is a horizontally disposed projection which is integral with the strip. The spacer projection is placed against a wall, the L base resting on a portion of the footing subtended by the wall in a conventional spacer usage. The underside of the base of the L is generally relieved in order to allow transmigration ...

대표
청구항

[ What is claimed is:] [1.] A water seepage control device with radon scavenging aid means comprising:a semi-rigid, nonbiodegradable strip bent lengthwise into an L-shape and having a shelf means projecting orthogonally from a backside of a vertical portion of the strip away from and essentially parallel a base of the strip such that the shelf means partitions the vertical portion into an upper channel and a lower chamber when said shelf means is disposed against a wall and while an underside of the base rests on a footing that supports the wall;a sealin...

이 특허를 인용한 특허 피인용횟수: 61

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