Method of making a pipe fitting and product

Details Method of making a pipe fitting and product Method of making a pipe fitting and product

1976-11-15

1977-09-13

Gilden, Leon

Metal deforming

By application of fluent medium, or energy field

With actuated tool engaging work

291576, B21D 5116

Patent

active

040474127

ABSTRACT:
A method of making a pipe fitting havin three or more legs arranged in any desired shape by deforming a malleable metal tube substantially filled with a constant volume filler material in a single step without the need for secondary bending while maintaining the filler material at constant volume to provide a fitting wherein the variation in wall thickness is less than about 10%.

REFERENCES:
patent: 1947611 (1934-02-01), Miothe
patent: 2858787 (1958-11-01), Hill
patent: 3220098 (1968-11-01), Arbogast
patent: 3225423 (1965-12-01), Huet
patent: 3681960 (1972-08-01), Tadolioro
patent: 3961513 (1976-06-01), Stahly

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