发明名称 |
Integral wallboard and stud |
摘要 |
A wallboard and stud unit formed of an elongate strip of foldable steel affixed to the wallboard back face, adapted to be folded outwardly away from the wallboard to function as a wall stud, in a hollow wall having a plurality of such units in back-to-back relationship.
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申请公布号 |
US4843784(A) |
申请公布日期 |
1989.07.04 |
申请号 |
US19880202298 |
申请日期 |
1988.06.06 |
申请人 |
NATIONAL GYPSUM COMPANY |
发明人 |
MENCHETTI, ROBERT J.;WEIR, RICHARD P.;CHAPMAN, ROBERT M. |
分类号 |
E04B2/74 |
主分类号 |
E04B2/74 |
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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