发明名称 |
Bituminized roof sheet |
摘要 |
The flame resistance of a bituminized roof sheet consisting of a reinforced fleece, a metal foil and bitumen is improved substantially by applying a metal foil to one face. A rupture of the metal foil in the case of stress due to elongation is prevented by wrinkling it. The elongation reserve thus obtained is in the range of from 2 to 35%.
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申请公布号 |
US4287248(A) |
申请公布日期 |
1981.09.01 |
申请号 |
US19790050125 |
申请日期 |
1979.06.19 |
申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
GESSNER, WOLFGANG;KUHN, HELMUT;PLOETZ, KURT |
分类号 |
D06N5/00;E04D5/12;(IPC1-7):B32B3/28;B32B3/06 |
主分类号 |
D06N5/00 |
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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