| 发明名称 |
BITUMINIZED ROOF SHEET |
| 摘要 |
<p>HOE 78/F 125 BITUMINIZED ROOF SHEET of the disclosure: 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 least 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 %.</p> |
| 申请公布号 |
CA1132896(A) |
申请公布日期 |
1982.10.05 |
| 申请号 |
CA19790330158 |
申请日期 |
1979.06.20 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
GESSNER, WOLFGANG;KUHN, HELMUT;PLOTZ, KURT |
| 分类号 |
D06N5/00;E04D5/12;(IPC1-7):32B3/28;04D5/10 |
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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