Method of manufacturing an inorganic fiber filter tube and produ

Details Method of manufacturing an inorganic fiber filter tube and produ Method of manufacturing an inorganic fiber filter tube and produ

1980-10-06

1983-03-15

Ball, Michael W.

Paper making and fiber liberation

Processes and products

Plural fiber containing

55527, 65 36, 162156, 162218, 162224, 162228, 210509, 428 36, 428286, D21D 300, D21H 108

Patent

active

043766757

ABSTRACT:
A method of manufacturing a fibrous, nonwoven, flow filter tube and the filter tube so prepared, which method comprises forming a filter tube from an aqueous slurry containing an admixture of both low-melting-point binder and high-melting-point filter fibers, and, thereafter, heating the filter tube to a temperature greater than the temperature of the low-melting-point fibers and less than the temperature of the high-melting-point fibers, to effect melting of the low-melting-point fibers, the molten material of the low-melting point fibers forming at the crossover points of the high-melting-point fibers to act as a bonding agent, thereby preparing a nonwoven, self-supporting, fibrous filter tube composed of the filter fibers.

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patent: 3039914 (1962-06-01), Reiman
patent: 3117055 (1964-06-01), Guandique et al.
patent: 3142612 (1964-07-01), Roman
patent: 3573158 (1971-03-01), Pall et al.
patent: 3972694 (1976-08-01), Head
patent: 4032457 (1977-06-01), Matchett
patent: 4092194 (1978-05-01), Green
patent: 4102736 (1978-07-01), Head et al.
patent: 4102785 (1978-07-01), Head
patent: 4124360 (1978-11-01), Berger
patent: 4160059 (1978-07-01), Samejimo

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