Method of and apparatus for hydraulically deforming a pipe-shape

Details Method of and apparatus for hydraulically deforming a pipe-shape Method of and apparatus for hydraulically deforming a pipe-shape

1991-05-23

1992-04-28

Jones, David

Metal deforming

By application of fluent medium, or energy field

With actuated tool engaging work

72 62, 294211, B21D 2210

Patent

active

051076934

ABSTRACT:
A die (2) formed of two halves (4, 5) is placed in a container (7) filled with an incompressible liquid. The die halves have a plane of contact disposed in parallel relation with and spaced from the axis of a hollow member to be deformed within a die cavity formed by the die halves. Mandrils (15) are forced into sealing contact with the open ends of the hollow member by hydraulic cylinders. A high deformation pressure is supplied into the hollow member and the mandrils are secured in sealing contact with the hollow member against such pressure.

REFERENCES:
patent: 1943560 (1934-01-01), Squires
patent: 2047296 (1936-07-01), Squires
patent: 4567743 (1986-02-01), Cudini
patent: 4590655 (1986-05-01), Javorik
patent: 4744237 (1988-05-01), Cudini
patent: 4761982 (1988-08-01), Snyder
patent: 4788843 (1988-12-01), Seaman et al.
patent: 4827605 (1989-05-01), Krips et al.
patent: 4829803 (1989-05-01), Cudini

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