Pretreatment of polytetrafluoroethylene filter bags

Details Pretreatment of polytetrafluoroethylene filter bags Pretreatment of polytetrafluoroethylene filter bags

1974-10-21

1976-05-18

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Utilizing special inert gaseous atmosphere or flushing mold...

55 97, 55528, 264127, 264342R, 264345, 264DIG71, B01D 3908, B01D 2914, B29C 2500

Patent

active

039579387

ABSTRACT:
Polytetrafluoroethylene bags used in solids filtering units are preshrunk to preclude tearing or ripping of the bags.

REFERENCES:
patent: 3225129 (1965-12-01), Taylor et al.
patent: 3391221 (1968-07-01), Gore et al.
patent: 3556161 (1971-01-01), Roberts
patent: 3629383 (1971-12-01), Kometani et al.
patent: 3664915 (1972-05-01), Gore
patent: 3813461 (1974-05-01), Murayama et al.

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