B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
271/29
B65H 45/103 (2006.01)
Patent
CA 1092176
ABSTRACT OF THE DISCLOSURE The disclosure relates to a mechanism for high speed horizontal folding of fabrics, such as tubular knitted fabrics, enabling the fabric to be folded at greatly increased linear speed in relation to the prior art. The folder apparatus includes horizontally reciprocating downfeed rollers which receive the incoming fabric and propel it downwardly, while guiding the fabric horizontally to lay it in back and forth folds of substantially uniform length. Means are provided for reciprocating the down- feed rollers horizontally at high speed during the folding opera- tion. Means are also provided for continuously rotating the downfeed rollers, independently of the horizontal reciprocating motion, thereof, for directing the incoming fabric downward toward the accumulating fold stack: Reciprocating weight is held at a minimum by providing a novel external drive for the downfeed rollers, which are operative to provide a constant rate of down- feed of the fabric in any horizontal position of the downfeed rollers. The invention also provides an optimum geometrical con- dition for the incoming fabric web, for minimizing the effects of air inertia and resistance on the rapidly oscillating fabric web.
312727
Osler Hoskin & Harcourt Llp
Samcoe Holding Corporation
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