Transporting roller for webs of photosensitive material or...

Details Transporting roller for webs of photosensitive material or... Transporting roller for webs of photosensitive material or...

B - Operations, Transporting

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271/60

B65H 27/00 (2006.01) B65G 43/00 (2006.01) G03D 3/13 (2006.01) H05F 3/02 (2006.01)

Patent

CA 1146185

1950-13 ABSTRACT A roller for transport and/or guidance of flexible webs or sheets of radiation-sensitive material has a grounded shaft and an antistatic cylindrica1 member which is coaxial with and surrounds the shaft and has a web- or sheet-contacting cylindrical peripheral surface. The cylindrical member consists of hard polyvinyl chloride, fine crystalline polyamide, polypropylene, polyethylene or a mixture of two or more such plastic materials. Pulverized silver or another pulverulent metal is embedded in the material of the cylindrical member. If the roller is rather long, the , cylindrical member surrounds a hollow cylindrical metallic core whose end portions confine inserts which surround the respective end portions of the shaft. -1-

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