Wear-resistant laser-engraved metallic carbide surfaces for...

Details Wear-resistant laser-engraved metallic carbide surfaces for... Wear-resistant laser-engraved metallic carbide surfaces for...

B - Operations, Transporting

65

H

26/198, 92/2

B65H 27/00 (2006.01) B21B 27/00 (2006.01) B23K 26/08 (2006.01) B41N 7/00 (2006.01) B65H 54/46 (2006.01) B65H 57/14 (2006.01) B65H 57/24 (2006.01) C23C 26/02 (2006.01) D02G 1/12 (2006.01)

Patent

CA 1287245

NOVEL WEAR-RESISTANT LASER-ENGRAVED CERAMIC OR METALLIC CARBIDE SURFACES FOR FRICTION ROLLS FOR WORKING ELONGATE MEMBERS, METHODS FOR PRODUCING SAME AND METHODS FOR WORKING ELONGATE MEMBERS ABSTRACT OF THE DISCLOSURE Friction rolls for working elongate members, e.g., webs or strands, such as crimper rolls, draw rolls, yarn package drive rolls comprising a roll having a generally cylindrical external surface and a ceramic, e.g., alumina, mixtures of alumina and titania, chromia, zirconia, or metallic carbide, e.g,. tungsten carbide, coating bonded to the external surface, said coating being laser-engraved, that is, having a plurality of laser-formed depressions having a pattern covering substantially the entire exterior working surface of the roll and providing uniform, wear-resistant surface texture over substantially said entire working surface.

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