Supporting or guiding roller and apparatus provided with one...

Details Supporting or guiding roller and apparatus provided with one... Supporting or guiding roller and apparatus provided with one...

B - Operations, Transporting

65

H

271/60

B65H 27/00 (2006.01)

Patent

CA 2017142

A B S T R A C T SUPPORTING OR GUIDING ROLLER AND APPARATUS PROVIDED WITH ONE OR MORE OF SUCH ROLLERS. Described is a roller comprising a thin seamless metal sleeve at its surface which is provided with a surface structure for preventing the formation of an air cushion when such roller is used for guiding or supporting a moving web-type substrate. Such surface structure is further protected with a wear-resistant top layer of ceramic, glass, quartz or poly- tetrafluoroethylene. Also is described an apparatus comprising one or more of such rollers.

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