Transmission fluid filter and method of manufacture

Details Transmission fluid filter and method of manufacture Transmission fluid filter and method of manufacture

1981-07-16

1984-05-22

Wyse, Thomas G.

Liquid purification or separation

Filter

Within flow line or flow line connected close casing

210168, 210455, 291635F, 264DIG48, F01M 1103

Patent

active

044500815

ABSTRACT:
An improved transmission fluid filter and a method of assembly wherein the filter comprises a plastic first member having a planar peripheral lip, and a sheet metal second member with a planar ledge and a continuous peripheral flange crimped over the cover lip and capturing the lip against the ledge. In accordance with the invention, a bead having an arcuate surface extends around the outside edge of the cover lip, and the flange is preformed in a continuous progressive bending or curling operation prior to engagement with the bead.

REFERENCES:
patent: 2808937 (1957-10-01), O'Meara
patent: 3784011 (1974-01-01), Ward
patent: 4136011 (1979-01-01), Joseph et al.
patent: 4264443 (1981-04-01), Anderson et al.

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