发明名称 |
Seal ring and seal device |
摘要 |
A seal ring seals operating oil hermetically and is attached to an annular seal ring groove provided on an outer circumference of a shaft member. The seal ring comprises fluororesin, metal powder having a hardness equal to or more than that of any of a side surface of the seal ring groove serving as a sliding partner and an inner circumferential surface of a housing engaged relatively rotatable with the outer circumference of the shaft member, and modified fluororesin formed by irradiating an ionizing radiation in a range from 1 kGy to 10 MGy inclusive in a state of being heated up to a melting point thereof or higher under an inert gas atmosphere with an oxygen partial pressure of 1.33 kPa or less.
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申请公布号 |
US6884827(B2) |
申请公布日期 |
2005.04.26 |
申请号 |
US20030403284 |
申请日期 |
2003.04.01 |
申请人 |
HITACHI CABLE LTD. |
发明人 |
OTA TOMOHITO;HASHIMOTO TOMIHITO;YAMAMOTO YASUAKI;KUSANO HIROO |
分类号 |
F16J15/18;C08J3/28;C08K3/08;C08L27/12;C09K3/10;F16H3/66;F16J15/12;(IPC1-7):C08L27/18;C08K3/04 |
主分类号 |
F16J15/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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