| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a modifying method of a plastic molded article that can control an amount or a distribution of an impregnated compound, and to provide a plastic molded article exhibiting excellent performances enough to be suitably applicable even under a severe service condition. <P>SOLUTION: A crown-shaped holder 14 was subjected to a modification treatment of impregnating it with a lubricating oil by immersing the crown-shaped holder 14 constituted of polyamide 66 reinforced with a glass fiber in a solution of the carbon dioxide in a supercritical state with a lubricating oil at a temperature not lower than the glass transition temperature of the polyamide 66. The crown-shaped holder 14 having been subjected to the modification treatment is incorporated into a deep-groove ball bearing. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
