| 发明名称 |
Sheet type felt |
| 摘要 |
Sheet type felt material comprising 5-20 wt % glass fibers, 40-80 wt % cellulose fibers, 5-25 % binder and 3-20 wt % asphalt. The felt is made on conventional felt making equipment and may be used as siding or roofing underlayment or as facer for foam insulating boards.
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| 申请公布号 |
US4543158(A) |
申请公布日期 |
1985.09.24 |
| 申请号 |
US19840595881 |
申请日期 |
1984.04.02 |
| 申请人 |
GAF CORPORATION |
发明人 |
BONDOC, ALFREDO A.;FLOOD, EUGENE J.;SIELING, FREDERICK W. |
| 分类号 |
B32B27/12;D21H13/40;D21H17/35;D21H17/61;E04D5/02;(IPC1-7):D21H5/18 |
主分类号 |
B32B27/12 |
| 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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