Metal deforming – By relatively movable offset tool-faces – With tool motion in fixed path
Patent
1977-01-03
1978-03-07
Lanham, C. W.
Metal deforming
By relatively movable offset tool-faces
With tool motion in fixed path
B21D 706
Patent
active
040772489
ABSTRACT:
A press for straightening a railroad rail formed by the welding of the ends of two rail sections together. The press has a first reciprocatable cage having two opposed rams straddling the rail for straightening the rail in one plane and a second reciprocatable cage having similarly arranged rams extending into the first cage for straightening the rail in a second plane. The cages are connected to suitable power means located remote from the tending side of the press for efficient operation of same.
REFERENCES:
patent: 1337587 (1920-04-01), Bennett
patent: 1837040 (1931-12-01), Gross
patent: 3295350 (1967-01-01), Clayborne
patent: 3848450 (1974-11-01), Dehlbom
patent: 3881341 (1975-05-01), Evans
Chemetron Corporation
Crosby Gene P.
Esser Nicholas M.
Lanham C. W.
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