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:
Dec. 01, 2015
Filed:
Jan. 19, 2012
Yasuhiro Fukumoto, Sennan-gun, JP;
Hong-phuc Nguyen, Sennan-gun, JP;
Yasuhiro Fukumoto, Sennan-gun, JP;
Hong-Phuc Nguyen, Sennan-gun, JP;
SUMITOMO ELECTRIC FINE POLYMER, INC., Sennan-gun, Osaka, JP;
Abstract
Provided is a heat-shrinkable resin tube for forming a resin layer on a rotary member for an image forming part, such as a charging roller, a developing roller, or a transfer roller, a rotary member for support, or a rotary member for paper discharge in an image forming apparatus, in which a maximum depth of at least one linear scratch on a surface of the heat-shrinkable resin tube is 0.8 μm or less. A maximum length of the at least one linear scratch may be 1 mm or less, the resin tube may have a thickness of 100 μm or less, and the at least one linear scratch may extend in a direction parallel to an axial direction of the resin tube or in a direction tilted by 20° or less with respect to the axial direction.