Metal deforming – By deflecting successively-presented portions of work during... – To form spiral coil
Patent
1981-07-13
1983-09-20
Combs, Ervin M.
Metal deforming
By deflecting successively-presented portions of work during...
To form spiral coil
242 781, B21C 4706
Patent
active
044048319
ABSTRACT:
A strip-guide assembly for a metal-strip coiler comprises a pressing roll or guide plate adapted to urge the strip into a coiled condition on a mandrel is provided with a four-pivot linkage actuated by a pneumatic/hydraulic positioning device. According to the invention, the latter device comprises a limited stroke pneumatic cylinder having a plunger portion which forms a cylinder for the hydraulically displaced piston whose rod is connected to the linkage, the pneumatic and hydraulic cylinders being independently pressurizable.
REFERENCES:
patent: 3073543 (1963-01-01), Bond
patent: 3328990 (1967-07-01), Sieger et al.
patent: 4063440 (1977-12-01), Brashear
Braun Martin
Hild Berthold
Munker Max
Combs Ervin M.
Dubno Herbert
Ross Karl F.
SMS Schloemann--Siemag Aktiengesellschaft
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