Winding – tensioning – or guiding – Convolute winding of material – Of discrete sheets or articles
Patent
1996-10-18
1998-07-14
Jillions, John M.
Winding, tensioning, or guiding
Convolute winding of material
Of discrete sheets or articles
2425336, B65H 1930
Patent
active
057791805
ABSTRACT:
In a winder for winding webs from a bag-making machine into rolls, a winding turret mounts four winding spindles, each having a web-winding portion and a pulley-mounting portion, which mounts a conjointly rotatable pulley and an independently rotatable pulley. A first timing belt and a second timing belt are arranged to be independently driven. The winding turret is indexable so that, in any indexed position, a first timing belt interengages the conjointly rotatable pulley mounted on the given winding spindle and interengages the independently rotatable pulley mounted on the next winding spindle and a second timing belt interengages the independently rotatable pulley mounted on the given winding spindle and interengages the conjointly rotatable pulley mounted on the next winding spindle. The rotational speeds of a motor driving a given winding spindle, whichever is being used to complete winding of a roll, and the rotational speed of a motor driving a web conveyor are measured. The motor driving the same winding spindle is adjusted so as to maintain a generally constant winding tension on a web being wound. A pair of infeeding rollers and a pair of separating rollers are operated so as to apply a generally constant winding tension to a web, except during intervals during which the surface speed of the separating rollers exceeds the surface speed of the infeeding rollers so as to separate the web at cross perforations.
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CMD Corporation, Cordless/Core Winders Brochure Appleton, WI, Oct., 1993.
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FMC Corporation, M-350 Winder Product Brochure, Green Bay, WI, 1992.
De Smedt Eric
Verbeiren Wim
FMC Corporation
Jillions John M.
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