Guiding and braking unit for a material web

B - Operations – Transporting – 65 – H

Patent

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271/55

B65H 20/00 (2006.01) B65H 23/02 (2006.01) B65H 23/14 (2006.01)

Patent

CA 1225110

ABSTRACT OF THE DISCLOSURE A guiding and braking unit for a web which passes through a processing machine, e.g. a machine for the manufacture of packing containers. The unit comprises a roller adapted to a guide cylinder for the web, this roller being manufactured from a material with a high coefficient of friction. The roller is adapted to be swivelled via an arm in transverse direction of the web and as a result fol- lows the web when the same is moved sideways, that is to say axially in relation to the guide cylinder. Each sideways movement, however, because of the suspension of the roller, brings about a lifting of the roller which is continuously counteracted by the pressing of the roller against the cylinder. As a result the roller is returned automatically to a central position and in so doing, owing to friction, carries the web with it to a central position in relation to the guide cylinder.

427501

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