Method of manufacturing a filter having longitudinal channels by

Details Method of manufacturing a filter having longitudinal channels by Method of manufacturing a filter having longitudinal channels by

1996-07-26

1998-06-02

Walker, W. L.

Paper making and fiber liberation

Processes and products

Article forming processes

2104931, 210509, 162224, B01D 3918

Patent

active

057593515

ABSTRACT:
A slurry of suspended formation fiber and binder fiber is brought to pass through a suction unit to form a molded member. Longitudinally extending channel portions are formed on both inner and outer peripheral surfaces of the molded member, and a wall portion is formed to close one end of the channel portions of the inner peripheral surface. Further, opposite surfaces of the channel portion at the other end of the molded member are closed by pressing from outside and bonded by binder resin which is impregnated into the molded member.

REFERENCES:
patent: 3622446 (1971-11-01), Burnham
patent: 4111815 (1978-09-01), Walker et al.
patent: 4732678 (1988-03-01), Humbert, Jr.
patent: 4889630 (1989-12-01), Reinhardt et al.
patent: 4929308 (1990-05-01), Gerault et al.
patent: 5084178 (1992-01-01), Miller et al.

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