发明名称 |
sistema de subcobertura de piso de isolamento acústico |
摘要 |
An acoustic isolation medium configured for placement between a subfloor and a finished floor with a poured underlayment, includes a first layer being a sound reduction mat disposed upon the subfloor, a second layer placed upon the first layer and being one of a sheet of fibrous material and a web of limp mass material with a high internal damping coefficient, and a third layer placed upon the second layer and being the other of a sheet of the fibrous material and a web of the limp mass material. |
申请公布号 |
BRPI0712493(A2) |
申请公布日期 |
2016.05.17 |
申请号 |
BR2007PI12493 |
申请日期 |
2007.05.24 |
申请人 |
UNITED STATES GYPSUM COMPANY |
发明人 |
KURT J. GOODFRIEND;STEPHEN W. PAYNE |
分类号 |
E04B1/82;E04B1/84;E04B5/00;E04F15/22 |
主分类号 |
E04B1/82 |
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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