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:
Jan. 24, 2023
Filed:
Dec. 17, 2021
Canon Kabushiki Kaisha, Tokyo, JP;
Naoko Kasai, Kanagawa, JP;
Yohei Miyauchi, Tokyo, JP;
Yasuharu Notoya, Tokyo, JP;
Takuji Oishi, Kanagawa, JP;
Yasuhiro Miyahara, Tokyo, JP;
Masaaki Takahashi, Kanagawa, JP;
Yusuke Baba, Kanagawa, JP;
Hiroki Muramatsu, Tokyo, JP;
Ryo Ishifuji, Ibaraki, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A pressing rotating member comprising a base layer, an elastic layer and a surface layer, in this order, the surface layer having pores, wherein when placing an observation region of 8 μm long×11 μm wide at a cross section of the surface layer in a thickness direction of the surface layer—a direction perpendicular to a circumferential direction of the pressing rotating member, a degree of orientation f of the pores observed in the observation region is 0.20 or higher, and an orientation angle Φ of the pores observed in the observation region is 0° to 10°.