| 摘要 |
PROBLEM TO BE SOLVED: To provide a shaft body capable of preventing a gripping part from being swollen or sticky and also preventing oil from migration and depositing. SOLUTION: In this shaft body which comprising the gripping part of an elastic resin in the outer periphery of a barrel, another resin and/or an elastic resin different in rigidity is added to the elastic resin. COPYRIGHT: (C)2007,JPO&INPIT
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