发明名称 |
Sheet type roofing |
摘要 |
Sheet type felt material and sheet type roofing material such as shingles and rolls made therefrom. The felt comprises 10-60 wt % glass fibers of varying lengths, 15-80 wt % cellulosic fiber and 5-25% binder. The roofing material is felt of the invention saturated with asphaltic saturant and coated with filled asphaltic coating material and conventional roofing granules.
|
申请公布号 |
US4472243(A) |
申请公布日期 |
1984.09.18 |
申请号 |
US19840595880 |
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 |
C09K21/06;D21H13/40;E04D5/02;(IPC1-7):D21H1/10 |
主分类号 |
C09K21/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|