Metal deforming – Process – Tube making or reshaping
Patent
1975-09-09
1977-06-28
Larson, Lowell A.
Metal deforming
Process
Tube making or reshaping
291495C, 113116UT, B21D 5310
Patent
active
040317340
ABSTRACT:
A method of manufacturing concentric machine elements from flat steel strips by permanently bending a flat steel strip of limited length along its longitudinal axis, and burring the concave surface of the strip, while supported, through the application of a force on the convex surface of the strip, so that a concentrically shaped casing is formed.
REFERENCES:
patent: 2315640 (1943-04-01), Morse et al.
patent: 2674782 (1954-04-01), Surtees
patent: 2905282 (1959-09-01), Miller
patent: 3073544 (1963-01-01), Cirves et al.
patent: 3608844 (1971-09-01), Tumulty et al.
patent: 3774309 (1973-11-01), Leopoldi
Imme Helmut
Moser Werner
Larson Lowell A.
Rosen Daniel M.
SKF Industrial Trading and Development Company B.V.
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