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US 6,151,473 AGranted
Peeled toner supply roller and manufacturing method
AssigneesCanon Kabushiki Kaisha, Inoac Corporation
InventorsYoshiro Saito, Tetsuya Kobayashi, Tetsuya Hase, Eiji Tanaka
Life of this patent
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Abstract
A toner supply roller has a core material and sponge which forms a roller surface and whose surface is processed by cutting with a knife. The roller is used to form a toner image onto an electrostatic latent image bearing member.
Claims6
A method of manufacturing a toner supply roller, comprising steps of:
- preparing a foamed material having a core material;
- and
- surface-processing a surface of said foamed material by a knife to form said foamed material into a cylindrical shape while said foamed material is rotated around said core material as a center axis.
Dependencies are inferred from the claim text.