Conveyors: power-driven – Conveyor having impinging fluid to feed – shift or discharge... – Having cleaning means
Reexamination Certificate
2004-12-14
2008-09-16
Deuble, Mark A (Department: 3651)
Conveyors: power-driven
Conveyor having impinging fluid to feed, shift or discharge...
Having cleaning means
C198S497000, C451S424000, C015S256510
Reexamination Certificate
active
07424946
ABSTRACT:
A roller cleaning system (10) for an oven (20) equipped with a series of motorized rollers (21) each of which is in turn connected to a relative motor-reducer (24) for rotation activation, in turn connected to a relative frequency converter (25) driven by a respective control and activation device (26), said roller cleaning system (10) comprising a control and regulation unit (14) to independently control the rotation rate and direction of each roller of the series of motorized rollers (21) for the advancing of one or more flat blooms (40) and for cleaning at least one roller (34) causing the detachment of the flakes of oxide therefrom by scraping it against a flat bloom (40) with a variation in the rotation rate and/or direction of the same.
REFERENCES:
patent: 1246535 (1917-11-01), Chisnall
patent: 1741494 (1929-12-01), Banfield
patent: 5893450 (1999-04-01), Metivier
patent: 341066 (1985-09-01), None
Filippi Enrico
Pastorini Gabriele
Costigan James V.
Deuble Mark A
Hedman & Costigan ,P.C.
Techint Compagnia Tecnica Internazionale S.p.A.
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