Metal deforming – By deflecting successively-presented portions of work during... – To form helical coil or tube
Patent
1977-09-16
1979-03-27
Combs, E. M.
Metal deforming
By deflecting successively-presented portions of work during...
To form helical coil or tube
72145, 72169, 72465, 140 2, B21F 304
Patent
active
041459040
ABSTRACT:
The invention relates to a bending or helix-forming apparatus operating by partial but continuous rolling of a long product on a resilient rim portion of a driven rotatable drum, to which portion it is applied by a plurality of rollers having axes parallel to that of the drum, with a pressure sufficient such that its adherence to the said resilient rim portion of the drum ensures that it is positively driven by the latter.
REFERENCES:
patent: 1230750 (1917-06-01), Menzer
patent: 3205689 (1965-09-01), Joseph
patent: 3279234 (1966-10-01), Ames
patent: 3444716 (1969-05-01), Martin
patent: 3899911 (1975-08-01), Ogier et al.
Giros Marcel A.
Venier Claude A.
Combs E. M.
Munz Otto John
Societe Meusienne de Constructions Mechaniques
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