Guide device for webs of woven or nonwoven textiles by means of rows of cylinders in a sinusfoermigen web

摘要

ABSTRACT OF THE DISCLOSUREApparatus for leading long lengths of woven or non-woven textile material over a series of rolls in a sinouspath in which the rolls are arranged in upper and lower tiersand some of the upper rolls are driven from electric motors.The lower tier of rolls is supported by parallel beams whichare pivoted at one end. At their other ends the beams areconnected by a chain and sprocket connection to a motor-speed-control device which automatically adjusts the speed ofcertain rolls to maintain constant tension on the materialalong its path through the apparatus, when the material causesthe bottom rolls to move up or down.