Metal deforming – With temperature modification of tool or of specified... – Cooling
Patent
1976-06-23
1977-11-29
Larson, Lowell A.
Metal deforming
With temperature modification of tool or of specified...
Cooling
29157T, B21D 5140
Patent
active
040599795
ABSTRACT:
A stationary pulling unit with a movable workpiece provides for an on center locating point under the operating unit for coupling a flaring tool to the stationary pulling unit and heating the area to be flared with torches in a heat cycle and in a pulling cycle as the flaring tool is pulled through the opening in the workpiece.
REFERENCES:
patent: 1574900 (1926-03-01), Kellogg
patent: 2511836 (1950-06-01), Cullen
patent: 3910094 (1975-10-01), Luttgert et al.
Mackie Gordon E.
Morris Peter A.
Allis-Chalmers Corporation
Jones Robert C.
Larson Lowell A.
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