Method for manufacturing micro membrane pleats type filter cartr

Details Method for manufacturing micro membrane pleats type filter cartr Method for manufacturing micro membrane pleats type filter cartr

1991-12-17

1993-07-27

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1563066, 156313, 156314, 156321, 156322, 55502, 55510, B65B 728

Patent

active

052307603

ABSTRACT:
The object of the present invention is to provide a filter cartridge of micro filtration membrane pleats type, by which it is possible to stably manufacture products of high quality and to reduce the manufacturing cost. In the method for manufacturing a filter cartridge of micro membrane pleats according to the present invention, an initial portion and a last portion with pleats of a micro filtration membrane are welded together to prepare an endless micro membrane, and a filter element provided with a micro filtration membrane is welded on two end plates. A thin bonding auxiliary plate made of the same material as the end plates, having an opening at its center and molten at relatively low temperature, is welded to filter element and end plates which are heated in advance.

REFERENCES:
patent: 4588464 (1986-05-01), Miyagi
patent: 4844765 (1989-07-01), Reith

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