Title:
ROOFING UNDERLAYMENT MATERIAL AND PROCESS FOR PREPARATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2008/011813
Kind Code:
A1
Abstract:
A waterproof material has a membrane layer (2) that is formed and affixed to the composite
surface between two non-woven fabric layers (1), an asphalt layer (3) is positioned
between two membrane layers (2) and sandwiches a reinforced mesh layer (4). The
waterproof material can prevent asphalt from penetrating through to the non-woven
fabric, improve the tensile strength and split-resistant strength, and enhance
the performance of the heat-resistant and prick-resistant of the membrane layer.
Inventors:
ZHANG GUORONG (CN)
Application Number:
PCT/CN2007/002202
Publication Date:
January 31, 2008
Filing Date:
July 19, 2007
Export Citation:
Assignee:
ZHANG GUORONG (CN)
International Classes:
E04D5/10; B32B5/10; B32B11/10; C09D195/00; D06N5/00
Foreign References:
| CN2422334Y | 2001-03-07 | |||
| CN1053438A | 1991-07-31 | |||
| CN1232854A | 1999-10-27 | |||
| CN2423311Y | 2001-03-14 | |||
| US4215160A | 1980-07-29 | |||
| CN1888349A | 2007-01-03 | |||
| JP2006009498A | 2006-01-12 | |||
| CN2739261Y | 2005-11-09 |
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (Vantone New World Plaza2 Fuchengmenwai Street, Beijing 7, CN)
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