Method of forming spirally wound gaskets

Details Method of forming spirally wound gaskets Method of forming spirally wound gaskets

1986-05-06

1988-11-01

Combs, E. Michael

Metal deforming

By deflecting successively-presented portions of work during...

To form spiral coil

72148, B21C 4704, B21C 4708

Patent

active

047810483

ABSTRACT:
A spiral wound gasket is made by progressively winding strip material between co-operating rollers to form a gasket section, the method of manufacture including the step of separating the rollers at a predetermined rate to give a predetermined rate of growth for the gasket section formed between them.

REFERENCES:
patent: 2312428 (1943-03-01), Lorig
patent: 2475856 (1949-07-01), Price
patent: 2579858 (1951-12-01), Price
patent: 2774407 (1956-12-01), Jansen
patent: 3905090 (1975-09-01), Painter
patent: 4048829 (1977-09-01), Thomas
patent: 4189819 (1980-02-01), Nicholson
patent: 4583697 (1986-04-01), Bichot et al.

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