Packing seals and method of making

Details Packing seals and method of making Packing seals and method of making

1979-12-07

1980-12-16

Lowe, James B.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

264157, 264235, 264295, 264339, 264DIG40, 277204, F16J 1544, F16J 1554, B29C 1702

Patent

active

042392454

ABSTRACT:
A method of making a packing seal comprising compression molding a thermo-setting plastic in a spiral mold so that a partially-cured spiral seal is formed, removing the partially-cured seal from the mold, and winding it on a mandrel of a selected diameter, curing the spiral seal on the mandrel, and removing the seal from the mandrel, whereby the resulting seal is resilient and can be used to seal any part having a diameter within a given range, which range has the diameter of the mandrel as a median.

REFERENCES:
patent: 567233 (1896-09-01), Gruber
patent: 646413 (1900-04-01), Collet
patent: 1998892 (1935-04-01), Braden
patent: 2323286 (1943-06-01), Ward
patent: 2776154 (1957-01-01), Leistensnider
patent: 3207827 (1965-09-01), Kuehule
patent: 4157833 (1979-06-01), Kozlowski

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