The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 05, 2019
Filed:
Jun. 01, 2009
Satoru Kusano, Yokohama, JP;
Junichiro Sato, Yokohama, JP;
Katsuya Seki, Yokohama, JP;
Youhei Takeda, Yokohama, JP;
Satoru Kusano, Yokohama, JP;
Junichiro Sato, Yokohama, JP;
Katsuya Seki, Yokohama, JP;
Youhei Takeda, Yokohama, JP;
BRIDGESTONE CORPORATION, Tokyo, JP;
Abstract
Provided are urethane foam: which heightens toner charge amount (Q/M); by which toner is sufficiently absorbed in the surface layer of a toner-conveying roller to give a sufficient toner conveying ability; and by which a good image can be obtained with a low cost, and a toner-conveying roller using the same. Also provided are urethane foam in which substrate urethane foam is impregnated with one or more powders selected from the group consisting of silicone powder and silica powder, and a toner-conveying roller using the same. Preferred are urethane foam wherein said powder is bound with said substrate urethane foam via a binder, and a toner-conveying roller using the same.