B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
242/55
B65H 19/18 (2006.01) B65H 19/14 (2006.01) B65H 23/188 (2006.01)
Patent
CA 1051850
ABSTRACT OF THE DISCLOSURE: This invention relates to an improvement to system for automatic joining between successive reels of paper strip being dispensed in a continuous manner which is particularly applicable to feeding systems for manufacturing machines which consume paper. The improved systems according to the invention comprise two sets of rollers, blades for shearing, and parts for gripping and joining the strips of paper. The systems also comprises a paper storing arrangement comprising one or more forward rollers over which the strip is threaded and led rearwards again, and a travelling rear roller, over whose surface the strip runs and thence goes forwards once more towards the machine where it is being consumed. The travelling rear roller is arranged so that it can travel forwards in the same direction as the strip being dispensed, and this it does whilst the reels are being changed over, so that it pays out some of the paper kept in store until the fresh reel has started to revolve at the required speed to keep pace with the rate of demand. The improvement covered by the invention consists in that the roller at the forward end of the paper storing arrangement is mounted in a floating manner, and in constant balance between the pulling force resulting from the tension in the strip, and the thrust being applied by a number of adjustable compressed air operated cylinders. Hence the roller moves to and fro whenever the tension in the strip of paper alters, and at all times it does so in the direction required to restore the balance between these two forces.
261928
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