Multi-component, highly porous, high strength PTFE article and m

Details Multi-component, highly porous, high strength PTFE article and m Multi-component, highly porous, high strength PTFE article and m

1980-11-06

1983-05-24

Bell, James J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

264127, 2642884, 4283179, 428323, 428324, 428325, 428332, 428339, 428367, 428408, 428421, 428422, 428443, 428447, 428910, B32B 326

Patent

active

043850936

ABSTRACT:
A method for producing a multi-component, porous PTFE article. Components of PTFE containing a liquid lubricant are placed in intimate contact, dried and then stretched in one or more directions. The PTFE components may optionally contain a filler. The resultant product has a virtually uninterrupted structure at the join and possesses very high bond strengths.

REFERENCES:
patent: 612897 (1898-10-01), Ellis
patent: 3207644 (1965-09-01), Hobson et al.
patent: 3767500 (1973-10-01), Tally et al.
patent: 3887761 (1975-06-01), Gore
patent: 3953566 (1976-04-01), Gore
patent: 3962153 (1976-06-01), Gore
patent: 4061517 (1977-12-01), Dulton et al.
patent: 4187390 (1980-02-01), Gore
patent: 4283448 (1981-08-01), Bowman

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