Invention Grant
- Patent Title: Toner conveyance roller and method for manufacturing toner conveyance roller
-
Application No.: US14771548Application Date: 2014-02-26
-
Publication No.: US09715190B2Publication Date: 2017-07-25
- Inventor: Toru Masuyama
- Applicant: BRIDGESTONE CORPORATION
- Applicant Address: JP Tokyo
- Assignee: BRIDGESTONE CORPORATION
- Current Assignee: BRIDGESTONE CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2013-040357 20130301
- International Application: PCT/JP2014/054664 WO 20140226
- International Announcement: WO2014/132996 WO 20140904
- Main IPC: G03G15/08
- IPC: G03G15/08 ; B29C35/02 ; B29C70/72 ; B29K75/00 ; B29K105/04 ; B29L31/32 ; B29L31/00

Abstract:
A toner conveyance roller for an image forming apparatus including a toner image forming mechanism including a developing roller and the toner conveyance roller which is arranged opposite to the developing roller and used for supplying and scraping toner, wherein the toner conveyance roller has a roller part and a shaft part, the roller part includes a substantially cylindrical elastic layer composed of an elastic foaming body on a surface of the roller part, and a density of the elastic layer is higher in a longitudinal center part of the roller part than in both longitudinal end parts thereof, and a method for manufacturing the toner conveyance roller including a step of heat-pressing the crown-shaped elastic foaming body, and thereby, forming the elastic layer.
Public/Granted literature
- US20160011541A1 TONER CONVEYANCE ROLLER AND METHOD FOR MANUFACTURING TONER CONVEYANCE ROLLER Public/Granted day:2016-01-14
Information query