发明名称 |
Means for and method of making a cast structural fire proof panel assembly |
摘要 |
The invention relates to means and method of making a multiple castable structural panel in a single pouring operation. A mold-envelope constructed from a plurality of pieces is provided. The mold-envelope is constructed without any external fastening means. The poured core holds the pieces of the mold-envelope together.
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申请公布号 |
US4967532(A) |
申请公布日期 |
1990.11.06 |
申请号 |
US19900492394 |
申请日期 |
1990.03.07 |
申请人 |
AVCO CORPORATION |
发明人 |
CASTLE, GEORGE K.;KASH, EDWARD C. |
分类号 |
B28B19/00;E04B1/94;E04C2/34 |
主分类号 |
B28B19/00 |
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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