Metal deforming – By relatively receding work-engaging tool-faces – Embodying three or more tools
Patent
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
APX Group Inc.
Casella Anthony J.
Hespos Gerald E.
Larson Lowell A.
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