发明名称 Concrete forming member
摘要 This invention is a paper-based concrete form member and a method for using it. The forms may be made from layers of paper honeycomb material or corrugate. The forms may be structured to be hollow, if so desired. They are principally useful in forming recesses or voids in concrete structures although they may be used to form the edges of concrete products during construction of these products.
申请公布号 US5855808(A) 申请公布日期 1999.01.05
申请号 US19970957392 申请日期 1997.10.23
申请人 DAMAGE PREVENTION PRODUCTS CORP. 发明人 DIBERARDINO, FRANK B.
分类号 B28B7/34;E04G9/02;E04G15/06;(IPC1-7):B28B7/34 主分类号 B28B7/34
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