Dual motion press

Details Dual motion press Dual motion press

1981-04-20

1983-10-18

Husar, Francis S.

Metal deforming

By application of fluent medium, or energy field

Using fixed die

72 63, 29421R, B21D 2210

Patent

active

044098090

ABSTRACT:
A machine for use in forming ductile metal sheets into shaped bodies having first and second open-ended, annular chambers which are relatively movable, while maintaining their open ends in register with one another, between a position in which the open ends meet and a position in which the open ends are spaced apart, a plate in at least one of the chambers which is movable independently of both chambers in directions parallel with the directions of relative movement between the chambers between a first position in which it constitutes a gas tight sealed base for said one chamber and a second position in which it is adjacent the open end of that chamber.

REFERENCES:
patent: 4045986 (1977-09-01), Laylock et al.
patent: 4266416 (1981-05-01), Festag et al.

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