Hydraulically entangled PTFE/glass filter felt

Details Hydraulically entangled PTFE/glass filter felt Hydraulically entangled PTFE/glass filter felt

1985-12-13

1986-09-16

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Weight per unit area specified

28104, 55DIG5, 55525, 55528, 428233, 428247, 428251, 428255, 428256, 428280, 428282, 428284, 428285, 428286, 428299, 428421, B32B 502

Patent

active

046122370

ABSTRACT:
A non-woven felt suitable for use as a filter comprised of poly(tetrafluoroethylene) and glass fibers hydraulically entangled to a supporting scrim and a process for making said felt are disclosed. The scrim is made from high temperature and chemically resistant materials.

REFERENCES:
patent: 3494821 (1970-02-01), Evans
patent: 4297404 (1981-10-01), Nguyen
patent: 4324574 (1982-04-01), Fagan
patent: 4361619 (1982-11-01), Forsten et al.

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