发明名称 |
Heat insulating and sound absorbing concrete wall panel |
摘要 |
Presented is a concrete wall panel that provides both thermal insulation and sound absorption while possessing the necessary rigidity and strength to permit the panel to be manufactured at a site remote from the point of installation, transported to the point of installation and then hoisted into position by appropriate hoisting equipment.
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申请公布号 |
US4164831(A) |
申请公布日期 |
1979.08.21 |
申请号 |
US19770835318 |
申请日期 |
1977.09.21 |
申请人 |
MESSICK, WILLIAM E.;GABRIELSEN, BERNARD L. |
发明人 |
MESSICK, WILLIAM E.;GABRIELSEN, BERNARD L. |
分类号 |
E04B1/04;E04B1/84;E04B1/88;E04B1/90;E04C2/04;E04C2/38;(IPC1-7):E04B2/00 |
主分类号 |
E04B1/04 |
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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