Method of manufacturing metallic spirally wound gaskets

Details Method of manufacturing metallic spirally wound gaskets Method of manufacturing metallic spirally wound gaskets

1978-09-06

1980-02-26

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Obtaining plural product pieces from unitary workpiece

29455R, 29469, 29DIG34, 2281411, 277204, B23P 1700

Patent

active

041898192

ABSTRACT:
For manufacturing a metallic spirally wound gasket having an outer centring ring it is proposed spirally to coil a corrugated strip of metallic material to form a sealing element of desired diameter and to surround the thus formed sealing element with a centring ring which is or has been formed by spirally coiling a metal strip which is of greater thickness than the sealing element strip and has a corrugated cross-section such that adjacent turns of the spiral fit without clearance one against the other.

REFERENCES:
patent: 816478 (1906-03-01), Kirschning
patent: 1942703 (1934-01-01), Hubbard et al.
patent: 2027299 (1936-01-01), Bohmer et al.
patent: 3302066 (1968-01-01), Cooper
patent: 3466733 (1969-09-01), Pajak et al.
patent: 3905090 (1975-09-01), Painter

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