Roller with spray-coated surface structure
a surface structure and roller technology, applied in the direction of web handling, pile separation, transportation and packaging, etc., can solve the problems of high labor and time consumption, idling of the roller, and increasing not only the manufacturing cost but also the manufacturing process of the roller, so as to increase the surface friction and wear resistance
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[0012] Please refer to FIGS. 1 and 2 that are perspective and cross-sectional views, respectively, of a roller with spray-coated surface structure according to the present invention. As shown, the roller is made of a metal material and generally denoted with a reference numeral 11. An outer circumferential surface of the metal roller 11 is subjected to coarsening, so as to form a coarsened layer 12. An outer circumferential surface of the coarsened layer 12 is subjected to a predetermined surface finishing, such as metal plating, metal spraying, etc., so as to form a finished layer 13 to increase the life, the wear-resistance, and the smoothness of the roller 11. A frictional layer 14 is further formed over the finished layer 13 to largely increase the surface friction of the roller 11, so that the roller 11 is suitable for use as a feeding roller in a printer, a photocopier, etc. to push feed sheets of paper.
[0013] The frictional layer 14 is formed by way of heating the roller 11 ...
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