Method and apparatus for expanding tubular members

Details Method and apparatus for expanding tubular members Method and apparatus for expanding tubular members

1980-07-03

1985-07-23

Larson, Lowell A.

Metal deforming

By relatively receding work-engaging tool-faces

Embodying three or more tools

72 36, B21D 4102

Patent

active

045302316

ABSTRACT:
The disclosure embraces a method of and apparatus for expanding circular cylindrical metal tubing, pipe or tubular members wherein an expanding construction embodies expandable fingers or members and cone-shaped means cooperating with the fingers or members for expanding tubing, pipe or tubular members. The method and apparatus involves the use of power means for expanding the fingers by relative movement of cones engaging the fingers, the method and apparatus including selectable indexing means for determining the amount of expansion of tubing, pipe or tubular members.

REFERENCES:
patent: 2713279 (1955-07-01), Harris
patent: 3385087 (1968-05-01), Huth
patent: 3986383 (1976-10-01), Petteys

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