| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a resin product capable of enhancing a whole visual impression without damaging laser weldability. <P>SOLUTION: After the joining of a case main body 12 and a cover 13 both of which are mutually different in color is completed, the cover 13 is irradiated with ultraviolet rays to make the color shown by the cover 13 the same as the color shown by the case main body 12. Accordingly, in the stage before the case main body 12 and the cover 13 are joined, the change in the transmission characteristics to the cover 13 to a laser beam caused by discoloration treatment is prevented. As a result, the laser weldability of the case main body 12 and the cover 13 is not damaged. Further, the color shown by the cover 13 becomes the same as the color shown by the case main body 12 to enhance the whole visual impression of the case 11 composed of the case main body 12 and the cover 13. <P>COPYRIGHT: (C)2007,JPO&INPIT |
