Swaging apparatus having elastically deformable members with seg

Details Swaging apparatus having elastically deformable members with seg Swaging apparatus having elastically deformable members with seg

1982-01-22

1985-03-05

Gilden, Leon

Metal deforming

By application of fluent medium, or energy field

With actuated tool engaging work

72 62, 72370, 29421R, B21D 3908

Patent

active

045023085

ABSTRACT:
A swaging apparatus includes a mandrel to be inserted in a tubular structure that is to be expanded radially. A pair of seals define the axial boundaries of an annular pressure zone between the mandrel and the tubular structure. One or both of the seals includes a support formed by a plurality of arcuate segments elastically held together and presenting a cam surface. A cam member interacts with the cam surface to expand the support radially in response to swaging pressure, thereby preventing inelastic deformation of an elastic member on the high pressure side of the support.

REFERENCES:
patent: 2460580 (1949-02-01), Huber
patent: 2941568 (1960-06-01), Ottstad
patent: 3051112 (1962-08-01), Van Leer
patent: 3193917 (1965-07-01), Loomis
patent: 3986383 (1976-10-01), Petteys
patent: 4393674 (1983-07-01), Rosmussen

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