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. 14, 2020
Filed:
May. 30, 2019
Canon Kabushiki Kaisha, Tokyo, JP;
Jun Miura, Kawasaki, JP;
Yutaka Arai, Kawasaki, JP;
Takeshi Suzuki, Yokohama, JP;
Akeshi Asaka, Kashiwa, JP;
Shigeaki Takada, Abiko, JP;
Masaaki Takahashi, Yokohama, JP;
Yo Imaizumi, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
Provided is an electrophotographic rotatable pressing member having further durability. The electrophotographic rotatable pressing member includes: a substrate; and an elastic layer formed on the substrate, the elastic layer containing a silicone rubber and a needle-shaped filler dispersed in the silicone rubber and having hollow parts, wherein, when cutting the elastic layer along a cross section including a center axis of the substrate in a longitudinal direction of the electrophotographic rotatable pressing member, and a total of each sectional area of the hollow parts in a unit area Aof a cross-sectional surface is defined as A, a standard deviation of an area ratio A/Ais 0.08 or less.