Method of manufacturing closure flanges

Details Method of manufacturing closure flanges Method of manufacturing closure flanges

1975-03-10

1976-03-02

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

29235, 156242, 156272, B23P 1102

Patent

active

039408450

ABSTRACT:
A closure flange molded of synthetic plastic resin has an internally threaded cylindrical neck surrounded at one end by a circumferentially enlarged base. An annular groove is formed on the flange base for retention of a thermoplastic bonding element having electromagnetic conducting particles embedded therein. The flange manufacture includes making the bonding element up from an elongated strand into a complete annulus and securely inserting the annular bonding element within the groove in the flange base.

REFERENCES:
patent: 2138144 (1938-11-01), Dodge
patent: 2457647 (1948-12-01), Dodge
patent: 2647556 (1953-08-01), Courtney
patent: 2992843 (1961-07-01), Smith
patent: 3077010 (1963-02-01), Philbrick
patent: 3293738 (1966-12-01), Caldwell et al.
patent: 3353849 (1967-11-01), Laurizio
patent: 3424481 (1969-01-01), Fulghum
patent: 3574031 (1971-04-01), Heller et al.
patent: 3798094 (1974-03-01), Costa

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