发明名称 |
Heating apparatus |
摘要 |
The present invention is directed to suppressing cracks in the surface layer of the rotating member including fluororesin. According to the present invention, there is provided a heating apparatus comprising: a rotating member which has a surface layer comprising fluororesin, flexibility, and is open at both ends thereof; a heating member for heating the rotating member; a holding member for the rotating member, which is disposed inside the rotating member and has a sliding surface against an inner peripheral surface of the rotating member; and a pressurizing member for forming a nip portion together with the rotating member, the heating apparatus heating a recording material while conveying the recording material by nipping at the nip portion and rotating the rotating member and the pressurizing member, wherein a lubricant comprising a straight-chain and a side-chain type perfluoropolyethers is interposed between the rotating member and the sliding surface of the holding member. |
申请公布号 |
US8886099(B2) |
申请公布日期 |
2014.11.11 |
申请号 |
US201113291513 |
申请日期 |
2011.11.08 |
申请人 |
Canon Kabushiki Kaisha |
发明人 |
Kanamori Akihito;Takeda Isamu;Akamatsu Takaaki |
分类号 |
G03G15/20;F24J3/00 |
主分类号 |
G03G15/20 |
代理机构 |
Fitzpatrick, Cella, Harper & Scinto |
代理人 |
Fitzpatrick, Cella, Harper & Scinto |
主权项 |
1. A heating apparatus, comprising:
a rotating member which has a surface layer comprising fluororesin, has flexibility and is open at both ends thereof; a heating member for heating the rotating member; a holding member for the rotating member, which is disposed inside the rotating member and has a sliding surface against an inner peripheral surface of the rotating member; and a pressurizing member for forming a nip portion together with the rotating member, the heating apparatus heating a recording material while conveying the recording material by nipping at the nip portion and rotating the rotating member and the pressurizing member, wherein a lubricant comprising a straight-chain type perfluoropolyether and a side-chain type perfluoropolyether is interposed between the rotating member and the sliding surface of the holding member. |
地址 |
Tokyo JP |