ベルト管状体、定着装置、および画像形成装置

Tubular belt member, fixing device and image forming apparatus

Abstract

<P>PROBLEM TO BE SOLVED: To provide a tubular belt member in which lubricant is not easily leaked to the outer peripheral side even when the tubular belt member is not rotated and to provide a fixing device and an image forming apparatus, in which fine image formation is maintained. <P>SOLUTION: The tubular belt member is provided with a belt body having a tubular shape and a plurality of ridges arranged on the inner periphery of the belt body, extended in a direction inclined to the circumferential direction of the inner periphery on the inner periphery and spreading both bases in a direction intersecting with the extending direction so that the first base turned to the edge side of the belt body out of both the bases has a shaper slant as compared with the second base turned to the inside of the belt body. <P>COPYRIGHT: (C)2007,JPO&INPIT
【課題】ベルト管状体が回転駆動しない時でも潤滑剤が外周面側に漏れにくいベルト管状体、良好な画像形成が維持される定着装置および画像形成装置を提供する。 【解決手段】管の形状を有するベルト本体と、上記ベルト本体の内周面に複数本が並んで設けられた、該内周面上を、該内周面の周回方向に対して傾いた方向に延びた、その延びた方向に交わる方向には両裾が広がって、その両裾のうち上記ベルト本体の縁側を向いた第1の裾の方が、該ベルト本体の内側を向いた第2の裾よりも急斜面である突条を備えた。 【選択図】図18

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