发明授权
- 专利标题: Non-slip built-up roofing
- 专利标题(中): 防滑建筑屋面
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申请号: US103846申请日: 1971-01-04
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公开(公告)号: US3940540A公开(公告)日: 1976-02-24
- 发明人: Robert J. Schmidt
- 申请人: Robert J. Schmidt
- 申请人地址: CA San Francisco
- 专利权人: Chevron Research Company
- 当前专利权人: Chevron Research Company
- 当前专利权人地址: CA San Francisco
- 主分类号: E04D11/02
- IPC分类号: E04D11/02 ; B32B9/00 ; B32B11/00 ; C09J3/30 ; E04B2/00
摘要:
Built-up roofing employing precoated felts are inhibited from slipping by the use of bituminous emulsions to bind the felts. A minor amount of a compatible latex is incorporated into the emulsion to increase the adhesion of the bonded felts.
公开/授权文献
- USD416219S Motor vehicle grill guard 公开/授权日:1999-11-09
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