发明名称 |
UNDERLAYMENT FOR SURFACE COVERINGS AND METHODS OF MAKING THE SAME |
摘要 |
An underlayment for surface covering, such as flooring, is described wherein the underlayment includes at least one polymeric foam layer having a top surface and a bottom surface and at least one felt layer located on either the top surface or bottom surface of the polymeric foam layer. Methods to reduce or control sound transmission and/or sound reflection of surface coverings like flooring products is also described wherein the underlayment is installed beneath the surface covering.
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申请公布号 |
US2002025751(A1) |
申请公布日期 |
2002.02.28 |
申请号 |
US19990288300 |
申请日期 |
1999.04.08 |
申请人 |
CHEN HAO A.;ZEREBECKI NICHOLAS |
发明人 |
CHEN HAO A.;ZEREBECKI NICHOLAS |
分类号 |
B32B5/18;B32B27/12;E04F15/20;(IPC1-7):D04H1/08 |
主分类号 |
B32B5/18 |
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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