Methods of cutting patted hollow filaments

Details Methods of cutting patted hollow filaments Methods of cutting patted hollow filaments

1977-11-30

1980-01-15

Vlachos, Leonidas

Severing by tearing or breaking

Severing by manually forcing against fixed edge

Zigzag-folded supply package

82 1C, 225 1, 225103, B23C 300, B23B 100

Patent

active

041832833

ABSTRACT:
Hollow filaments, which are suitable for use in separating one or more components from a fluid mixture by selective permeation, are embedded, or potted, in a solid potting mass and the potting mass is severed to expose fluid communication openings of the hollow filaments. In accordance with the invention a thin layer of the solid potting mass having the hollow filaments embedded therein is removed by planing or milling using a knife blade edge moving in an essentially arcuate path at sufficient velocity to cause fracturing of at least one of the hollow filaments and solid potting mass at the point of contact with the knife edge.

REFERENCES:
patent: 2328302 (1943-08-01), Simison
patent: 3503288 (1970-03-01), Swartling
patent: 3696708 (1972-10-01), Lopas
patent: 4061574 (1977-12-01), Clark

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