| 发明名称 |
Foamed asphalt weathering sheet for roll roofing, siding, or shingles |
| 摘要 |
In a continuous weathering sheet manufacturing process wherein fibrous mat material is coated with liquid asphalt, the asphalt is foamed before coating the mat therewith.
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| 申请公布号 |
US4399186(A) |
申请公布日期 |
1983.08.16 |
| 申请号 |
US19810335434 |
申请日期 |
1981.12.29 |
| 申请人 |
OWENS-CORNING FIBERGLAS CORPORATION |
发明人 |
LAUDERBACK, SANFORD K. |
| 分类号 |
B32B11/10;D06N5/00;E04D1/26;E04D5/10;(IPC1-7):B32B5/20 |
主分类号 |
B32B11/10 |
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