Hydraulic expansion of tubing

Details Hydraulic expansion of tubing Hydraulic expansion of tubing

1989-06-15

1990-08-28

Jones, David

Metal deforming

By application of fluent medium, or energy field

Using fixed die

59 62, B21D 2602

Patent

active

049514920

ABSTRACT:
Hollows are hydraulically widened as their ends are closed by sealing heads which include inflatable sealing rings bearing against the hollow at a pressure that is always in excess of the widening pressure applied to the hollow.

REFERENCES:
patent: 3625040 (1969-08-01), De Gain
patent: 4751836 (1988-06-01), Breese
patent: 4827748 (1989-05-01), Herring

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