Equipment for forming metal profiles

Details Equipment for forming metal profiles Equipment for forming metal profiles

1997-08-29

1998-06-30

Jones, David

Metal deforming

By application of fluent medium, or energy field

With actuated tool engaging work

72296, 72297, 72370, B21D 1102

Patent

active

057717303

ABSTRACT:
The equipment forms metal profiles on a stretch-bending machine on which a profile to be formed is held at its end by jaws connected to stretching rams and to a system for bending it against a convex punch member fixed to a toolholder table of the machine. The equipment includes a die member which is pressed against the punch member, once the profile has been bent against the punch member. An elastic material mandrel is placed inside the profile and the mandrel is compressed-expanded so that it presses the profile against internal surfaces of the punch member and of the die member when closed one against the other.

REFERENCES:
patent: 2739634 (1956-03-01), Gray et al.
patent: 3396565 (1968-08-01), Miller
patent: 4704886 (1987-11-01), Evert et al.
patent: 4803878 (1989-02-01), Moroney
patent: 4815308 (1989-03-01), Moroney
patent: 4827753 (1989-05-01), Moroney
patent: 5396786 (1995-03-01), Bartholomew et al.

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