Method of manufacturing highly water absorbent pleated filter la

Details Method of manufacturing highly water absorbent pleated filter la Method of manufacturing highly water absorbent pleated filter la

1986-06-30

1988-11-29

Cintins, Ivars

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156284, 210689, 2104935, 2105021, 210504, B01D 3916

Patent

active

047879491

ABSTRACT:
A superabsorbent filter medium which is suitable for manufacturing accordian pleated filter cartridges at high production rates and low cost by using a rotary pleater or scoring machine rather than slower blade-type pleaters. The filter medium is a thin laminate of filter paper, superabsorbent resin powder, and tissue papper, rolled together under pressure and bonded with water vapor. Unlike other commercially available superabsorbent filter media laminates, this construction is thin and flexible enough to be rotary pleated at low cost.

REFERENCES:
patent: 4033881 (1977-07-01), Pall
patent: 4539107 (1985-09-01), Ayers
patent: 4618388 (1986-10-01), Ayers

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