Strap winding disposal device

Details Strap winding disposal device Strap winding disposal device

1988-05-16

1989-07-11

Combs, E. Michael

Metal deforming

By deflecting successively-presented portions of work during...

To form spiral coil

72169, 72171, 72172, B21C 4700, B21D 514

Patent

active

048459712

ABSTRACT:
A strap coiling mechanism comprising a driven roller one having a serrated peripheral surface, a pinch roller for rotatably mounted at one extremity of a pivoted crank lever 8, said pinch roller being biassed towards the driven roller 1 by means of a compression spring 6 engaging the other end of the crank lever 8 and part of the supporting frame for the mechanism. The driven roller 1 and the pinch roller 4 between them define a nip N into which strapping S to be coiled is introduced. In the event that the strapping includes a Seal' or any other section modulus change, a pinch roller 4 will be deflected away from the driven roller 1 against the action of the spring 6 to allow the seal to pass through the nip N. A deforming roller 3 is rotatably mounted immediately behind the Nip and has a serrated peripheral surface which is engaged by the strapping S to form the strapping into a shelf closing coil C.

REFERENCES:
patent: 884314 (1908-04-01), Carpenter
patent: 1804468 (1931-05-01), Jensen
patent: 2179011 (1939-11-01), Hudson
patent: 2335028 (1943-11-01), Rose et al.
patent: 2387688 (1945-10-01), Spahr
patent: 2675849 (1954-04-01), Greenshields et al.
patent: 2937821 (1960-05-01), O'Brien
patent: 3303679 (1967-02-01), Cavagnero
patent: 3438406 (1969-04-01), Rozmus
patent: 4549422 (1985-10-01), Harrow
patent: 4633698 (1987-01-01), Oetiker
patent: 4726210 (1988-02-01), Weil et al.

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