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:
Apr. 23, 2013
Filed:
Jun. 30, 2011
Haruji Mizuishi, Tokyo, JP;
Tokuya Ojimi, Kanagawa, JP;
Toshio Koike, Kanagawa, JP;
Takeshi Shintani, Kanagawa, JP;
Yuji Arai, Kanagawa, JP;
Takuzi Yoneda, Tokyo, JP;
Ken Amemiya, Tokyo, JP;
Takaaki Tawada, Kanagawa, JP;
Masami Tomita, Shizuoka, JP;
Masanori Kawasumi, Kanagawa, JP;
Takaya Muraishi, Kanagawa, JP;
Hiroomi Harada, Kanagawa, JP;
Hiromichi Ninomiya, Kanagawa, JP;
Haruji Mizuishi, Tokyo, JP;
Tokuya Ojimi, Kanagawa, JP;
Toshio Koike, Kanagawa, JP;
Takeshi Shintani, Kanagawa, JP;
Yuji Arai, Kanagawa, JP;
Takuzi Yoneda, Tokyo, JP;
Ken Amemiya, Tokyo, JP;
Takaaki Tawada, Kanagawa, JP;
Masami Tomita, Shizuoka, JP;
Masanori Kawasumi, Kanagawa, JP;
Takaya Muraishi, Kanagawa, JP;
Hiroomi Harada, Kanagawa, JP;
Hiromichi Ninomiya, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A cleaning roller cleaning a surface of a cleaning component, wherein the cleaning roller is provided in a roller configuration having a cylindrical shape and has a portion in contact with the cleaning component, the portion being made of a melamine resin foam having a continuous foam structure, the melamine resin foam being provided by heating compression from an original configuration in a radial direction, and wherein the portion in contact with the cleaning component has a continuous foam structure and a tensile strength in a range of 1.7±0.5 kg/cm, and an image forming apparatus incorporating the same.