Method of fabricating a self pleating filter media

Details Method of fabricating a self pleating filter media Method of fabricating a self pleating filter media

1999-03-04

2000-09-19

Yao, Sam Chuan

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156196, 156200, 156205, B01D 4652, B01D 3916

Patent

active

061206334

ABSTRACT:
A self-supporting filter media, comprising a batt made of thermoplastic fibers, and heat induced scores provided at predetermined intervals along a length of the batt. And, a method of fabricating a self-supporting filter media, the method comprising the steps of: providing a thermoplastic batt of fibers; adding an adhesive to the batt; heating the batt and the adhesive to bind the fibers with the adhesive; heat scoring the batt at periodic intervals for producing a scored batt of fibers; and rolling the scored batt of fibers for storage or shipment.

REFERENCES:
patent: 4042358 (1977-08-01), Frohmader
patent: 4199387 (1980-04-01), Hladik
patent: 4629474 (1986-12-01), Thornton
patent: 5167740 (1992-12-01), Michaelis et al.
patent: 5456836 (1995-10-01), Jeffery et al.

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