发明名称 |
ROOFING SYSTEM HAVING LIGHTWEIGHT BASE SHEET |
摘要 |
Roofing System Having Lightweight Base Sheet A new roofing system comprising a roof deck, a hot bitumen impervious non-woven polyester web base sheet having a polymer latex coating on at least one side thereof, and a roof surface secured to the base sheet to render the roofing system water impermeable. |
申请公布号 |
CA1313448(C) |
申请公布日期 |
1993.02.09 |
申请号 |
CA19890599046 |
申请日期 |
1989.05.08 |
申请人 |
FREUDENBERG SPUNWEB COMPANY |
发明人 |
SCHMIDT, ALFRED H. F.;VOGLER, KARL H. |
分类号 |
B32B27/34 |
主分类号 |
B32B27/34 |
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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