High-strength spin-on tube filter

Details High-strength spin-on tube filter High-strength spin-on tube filter

1990-02-25

1992-05-26

Dawson, Robert A.

Liquid purification or separation

With repair or assembling means

210441, 210446, 210454, 55510, B01D 2708

Patent

active

051164990

ABSTRACT:
A high-strength spin-on tube filter with improved fatigue life and higher operating pressure capability. The tubular style filter housing being of a unitary construction utilizes metal tubing rather than the commonly used deep-drawn thin gauge malleable metal can having the closed end of the internal filter element being the closed structural metal endcap, or cover, of the housing can. The specification discloses a new state of the art unitary construction method having several major improvements over prior art that will be of a benefit to the industry.

REFERENCES:
patent: 4369113 (1983-01-01), Stifelman
patent: 4743374 (1988-05-01), Stifelman
patent: 4834885 (1989-05-01), Misgen et al.

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