Metal deforming – By use of roller or roller-like tool-element – Comprising tool movable relative to stationary work-portion...
Patent
1979-05-21
1981-08-04
Larson, Lowell A.
Metal deforming
By use of roller or roller-like tool-element
Comprising tool movable relative to stationary work-portion...
72306, 72342, B21D 700
Patent
active
042815290
ABSTRACT:
A method of manufacturing a resilient, C-shaped rail clamp wherein rod-shaped material is clamped tight at one end and starting from the clamped end the rod is deformed into the desired shape by a movement of a roller towards the free end while exerting local pressure.
REFERENCES:
patent: 644249 (1900-02-01), Keyes
patent: 1773812 (1930-08-01), Fry
patent: 2202016 (1940-05-01), McCutcheon
patent: 4053107 (1977-10-01), Goderbauer
patent: 4061005 (1977-12-01), Kawanami et al.
Everts & van der Weyden Exploitatiemaatschappij Ewem N.V.
Larson Lowell A.
Snyder John P.
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