Advancing material of indeterminate length – By orbitally traveling material-engaging surface – On endless belt or chain
Patent
1992-12-21
1994-07-05
Stodola, Daniel P.
Advancing material of indeterminate length
By orbitally traveling material-engaging surface
On endless belt or chain
226170, B65H 2000
Patent
active
053260104
ABSTRACT:
Traction unit for a drawing machine, the unit cooperating with a drawing die (14) and comprising at least two drive chains (12) with drawing links lying on the same plane and consisting of a plurality of links (16), the drive chains (12) with drawing links cooperating with load bearing rollers and with a rigid guide (19), the drawing action being obtained by the forward movement of the drive chains (12) with drawing links and by the reciprocal contact taking place between the drawing chains (12) with drawing links in their opposed drawing segment (15), the load bearing rollers being associated with a linked chain (26) of idler rollers (17) and being idler rollers (17) positioned in a ring, the linked chain (26) of idler rollers (17) being able to be moved by sliding and being placed between the inner surface of the links (16) and the rigid guide (19).
REFERENCES:
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patent: 4034904 (1977-07-01), Juditzki
patent: 5238165 (1993-08-01), Groblacher et al.
Bowen Paul
Danieli & C. Officine Meccaniche SpA
Stodola Daniel P.
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