Method of making pipe fittings

Details Method of making pipe fittings Method of making pipe fittings

1975-04-11

1976-06-08

Larson, Lowell A.

Metal deforming

By application of fluent medium, or energy field

With actuated tool engaging work

291576, B21D 5116

Patent

active

039615138

ABSTRACT:
A method of making a pipe fitting having a generally T-shape wherein a solid plug of malleable metal is first deformed to provide a tube closed at one end and having a thicker wall adjacent the closed end and thereafter further deforming the tube to provide a pair of legs adjacent the one end.

REFERENCES:
patent: 2198643 (1940-04-01), Wendell et al.
patent: 2238212 (1941-04-01), Cornell
patent: 2858787 (1958-01-01), Hill
patent: 3225423 (1965-12-01), Huet
patent: 3681960 (1972-08-01), Tadokoro

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