Plastic scrim

Details Plastic scrim Plastic scrim

1988-01-04

1991-08-13

Burr, Edgar S.

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

12820529, 12820616, A62B 710

Patent

active

050387758

ABSTRACT:
The invention disclosed is an improved scrim means for use in a breathing gas filter assembly which includes a pleated web filter medium. The improved scrim means is of a non-woven microorganism resistant synthetic polymeric material of sufficient rigidity to provide substantially continuous support to maintain the pleats of the filter medium in substantially uniformly spaced relationship, to expedite fluid flow in the plane of the web and to minimize nesting of the filter medium.

REFERENCES:
patent: 2201315 (1940-05-01), Lehmberg
patent: 2269461 (1942-01-01), Lehmberg
patent: 3944403 (1976-03-01), Simpson et al.
patent: 4084949 (1978-04-01), Biggins
patent: 4508113 (1985-04-01), Malaney
patent: 4548626 (1985-10-01), Ackley et al.
patent: 4643182 (1987-02-01), Klein
patent: 4714486 (1987-12-01), Silverthorn

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