String doffer mechanism

Tobacco – Cigar or cigarette making – Tobacco feeding

Patent

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Details

1311092, 131108, A24C 539, A24B 318

Patent

active

052111873

ABSTRACT:
A mechanism for removal of contaminants from a stream of material having a plurality of rotatable cylindrical doffer elements each having flights supplied with cleaning means thereon mounted substantially parallel to one another within a frame. The mechanism is provided with means for adjusting both the positions along the frame of the doffer elements as well as the vertical elevation of the doffer elements with respect to the frame.

REFERENCES:
patent: 973228 (1910-10-01), Spierer
patent: 1831953 (1931-11-01), Fonseca
patent: 2942607 (1960-06-01), Skinner
patent: 3339258 (1967-09-01), Johnston
patent: 3355758 (1967-12-01), Clark
patent: 3412446 (1968-11-01), Wood
patent: 4703538 (1987-11-01), Silverstrone
patent: 4809716 (1989-03-01), Caudill
patent: 4817639 (1989-04-01), Caudill

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