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US 7,735,702 B2Granted
Web guiding roller and web conveying apparatus
AssigneeFUJIFILM Corporation
InventorsShinji Hikita, Masayuki Kawarada
Life of this patent
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AssigneeFUJIFILM Corporation
InventorsShinji Hikita, Masayuki Kawarada
Estimating the term…
A web conveying apparatus is provided with a plurality of web guiding rollers. The web guiding rollers convey a web on which a functional material has just been coated in a coating section. Concave portions and convex portions that have a substantially semicircular cross section are alternately formed on a peripheral surface along a circumferential direction of each roller. A pitch Pv of the concave portions and a pitch Pm of the convex portions are in the range of 0.01 mm or more and 2 mm or less. A height Hv-m from a lowest point of the concave portion to a highest point of the convex portion is in the range of 0.01 mm or more and 1 mm or less. A curvature radius Rv of the concave portion and a curvature radius Rm of the convex portion are in the range of 0.1 mm or more and 0.5 mm or less.
A roller for guiding running of a web while supporting said web on a peripheral surface of said roller, said web guiding roller comprising:
A web conveying apparatus including a plurality of web guiding rollers, said web guiding rollers being disposed along a web conveying passage, for conveying a web while supporting said web on peripheral surfaces of said rollers, said web guiding rollers comprising:
Dependencies are inferred from the claim text.