- 专利标题: Toner conveyance roller and method for manufacturing toner conveyance roller
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申请号: US14771548申请日: 2014-02-26
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公开(公告)号: US09715190B2公开(公告)日: 2017-07-25
- 发明人: Toru Masuyama
- 申请人: BRIDGESTONE CORPORATION
- 申请人地址: JP Tokyo
- 专利权人: BRIDGESTONE CORPORATION
- 当前专利权人: BRIDGESTONE CORPORATION
- 当前专利权人地址: JP Tokyo
- 代理机构: Sughrue Mion, PLLC
- 优先权: JP2013-040357 20130301
- 国际申请: PCT/JP2014/054664 WO 20140226
- 国际公布: WO2014/132996 WO 20140904
- 主分类号: G03G15/08
- IPC分类号: G03G15/08 ; B29C35/02 ; B29C70/72 ; B29K75/00 ; B29K105/04 ; B29L31/32 ; B29L31/00
摘要:
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.
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