| 摘要 |
PROBLEM TO BE SOLVED: To prolong the life of a fixing device which employs a metallic sleeve by preventing sleeve ends from cracking. SOLUTION: An end ring of a fixing sleeve unit is coated with a lubricant such as dry surf. Alternatively fixing sleeve end surface are protected through lubricating sheet to reduce the load resulting from friction between the fixing sleeve and end ring. COPYRIGHT: (C)2005,JPO&NCIPI
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