Process for flattening the end section of a tube

Details Process for flattening the end section of a tube Process for flattening the end section of a tube

1993-02-24

1994-08-02

Larson, Lowell A.

Metal deforming

Process

Tube making or reshaping

72341, B21D 4104

Patent

active

053334850

ABSTRACT:
Process for flattening the end sections of a tube. The end section is given a preparatory treatment such that two recesses or notches lying opposite one another are made in the tube wall. The tube wall is then pressed together so that the fold lines run through the recesses.

REFERENCES:
patent: 1784966 (1930-12-01), Johnson
patent: 4014201 (1977-03-01), Troutner et al.
patent: 4621421 (1986-11-01), O'Loughlin

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