发明名称 |
Arcuate end corrugated paper form void |
摘要 |
An arcuate end form void for providing a space between a poured concrete structure and an underlying expansive soil adjacent a round pier is formed of corrugated paper to provide temporary support of wet concrete, and conforms to the pier radius to prevent passage of wet concrete between the pier and form void.
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申请公布号 |
US5915884(A) |
申请公布日期 |
1999.06.29 |
申请号 |
US19960763765 |
申请日期 |
1996.12.11 |
申请人 |
SUREVOID PRODUCTS, INC. |
发明人 |
GATES, ROBERT C.;TURNER, MICHAEL L. |
分类号 |
E02D19/18;(IPC1-7):B28B7/16;E02D5/34;E02D5/38 |
主分类号 |
E02D19/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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