Methods of producing waterproof felted material

Details Methods of producing waterproof felted material Methods of producing waterproof felted material

1996-05-24

1999-03-09

Bell, James J.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

156196, 156209, 156212, 156285, 1563082, 1563096, 1563099, 264136, 264137, 264293, 264324, 264511, 442398, B29C 5110

Patent

active

058796142

ABSTRACT:
A waterproof felted material (10) has a thermoplastic polyolefin sheet (20) to which a thermoplastic fibrous polyolefin matting (30) is bonded with a portion of the fibers of the matting (40) embedded in and fused to the thermoplastic polyolefin sheet. A solidifying coating (50) may be applied to the matting.

REFERENCES:
patent: 4319854 (1982-03-01), Marzocchi
patent: 4464215 (1984-08-01), Cogliano
patent: 4525960 (1985-07-01), Kelman
patent: 4733989 (1988-03-01), Harriett
patent: 4775567 (1988-10-01), Harkness
patent: 4787780 (1988-11-01), Harriett
patent: 4810573 (1989-03-01), Harriett
patent: 4942012 (1990-07-01), Lee et al.
patent: 5262117 (1993-11-01), Addeo et al.
patent: 5382461 (1995-01-01), Wu

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