发明名称 |
Inorganic raw felt intended for the production of roof felt |
摘要 |
An improved raw felt material having a high degree of strength and flexibility and increased bulk. The raw felt is used in producing an asphalt roofing cover. The felt is formed from an adhesively bonded porous non-woven sheet of an inorganic fibrous material and has finally divided vulcanized rubber particles distributed within the fibrous material.
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申请公布号 |
US4097644(A) |
申请公布日期 |
1978.06.27 |
申请号 |
US19750602001 |
申请日期 |
1975.08.05 |
申请人 |
ISOLA FABRIKKER A/S |
发明人 |
EVENSEN, HARALD THIIS;TELLESBO, OLA |
分类号 |
C07D499/00;D04H1/42;D04H1/64;D06N5/00;E04D5/02;(IPC1-7):D04H1/08;C08K7/14 |
主分类号 |
C07D499/00 |
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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