Tube working apparatus

Details Tube working apparatus Tube working apparatus

1988-05-04

1990-03-06

Phan, Hien H.

Cutting

By tool inside hollow work

One tool having only rectilinear motion

83178, 83277, 83414, B21D 2828

Patent

active

049055534

ABSTRACT:
Tube working apparatus is provided comprising a mandrel having a die thereon over which a tube to be worked can be positioned. The die is adapted to cooperate with a tool externally of the tube to work the tube. Feed means is provided for effecting relative movement between the mandrel and the tube whereby the tube is progressively withdrawn from the mandrel as working proceeds.

REFERENCES:
patent: 402273 (1889-04-01), Olmsted
patent: 1963768 (1934-06-01), West
patent: 2326536 (1943-08-01), Hartstock et al.
patent: 3489045 (1970-01-01), Ray, Sr.
patent: 4426899 (1984-01-01), Long et al.

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