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:
May. 27, 2014
Filed:
Mar. 24, 2010
Takanori Kamoto, Osaka, JP;
Takayuki Yamanaka, Osaka, JP;
Osamu Wada, Osaka, JP;
Tadashi Iwamatsu, Osaka, JP;
Nobuyuki Yoshioka, Osaka, JP;
Takanori Kamoto, Osaka, JP;
Takayuki Yamanaka, Osaka, JP;
Osamu Wada, Osaka, JP;
Tadashi Iwamatsu, Osaka, JP;
Nobuyuki Yoshioka, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A method for producing a low density resin-coated carrier having a small resin amount to a carrier core material and having a uniform resin coating layer formed on the carrier core material is provided. A resin-coated carrier has a carrier core material and a resin coating layer formed on the surface of the carrier core material. The carrier core material has pores and an apparent density of 1.6 g/cmto 2.0 g/cmand a remanent magnetization of 10 emu/g of less. The resin coating layer is formed by a dry process of adhering resin particles to a surface of the carrier core material and applying heat and impact force to the resin particles. A volume average particle size of the resin particles is less than 1 μm. A two-component developer containing the resin-coated carrier is charged in a developing device in an image forming apparatus, and an image is formed.