ROLLER AND FIXING APPARATUS

A roller used for a fixing apparatus has: a core; a first elastic layer that is formed outside the core and includes a first tapered portion on an edge of the roller in an axis direction; and a second elastic layer that is formed outside the first elastic layer and includes a second tapered portion...

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Bibliographic Details
Main Authors MIYASHIRO TOSHIAKI, UEKAWA EIJI, TSUCHIHASHI NAOTO
Format Patent
LanguageChinese
English
Published 27.04.2016
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:A roller used for a fixing apparatus has: a core; a first elastic layer that is formed outside the core and includes a first tapered portion on an edge of the roller in an axis direction; and a second elastic layer that is formed outside the first elastic layer and includes a second tapered portion on the edge in the axis direction on the same side as the first elastic layer, the second elastic layer having hardness that is higher than hardness of the first elastic layer. A second start point, which is a start point of the second tapered portion, is set in a position closer to the center of the roller in the axis direction than a first start point, which is a start point of the first tapered portion.
Bibliography:Application Number: CN201510680970