| 摘要 |
PROBLEM TO BE SOLVED: To provide a pin catch for decoration which is formed at a pearl and a gem, capable of avoiding a projection part formed in a fitting hole having one portion opened, the other closed and a semispherical inner end and preventing the intrusion of adhesive into a pin insertion hole. SOLUTION: This pin catch for decoration is constituted by: a cylindrical-form catch body 2 consisting of a resilient member; a narrow part 3 formed on the upper part of the catch body 2 and having a circular truncated cone form with a gradient angle of 56°; and the pin insertion hole 7 having a pin insertion hole 5 at the bottom of the catch body 2, formed upward from the pin insertion hole 5, having the closed tip end for inserting a pierce pin 6 and having a pin insertion depth of 4.3 mm. COPYRIGHT: (C)2009,JPO&INPIT
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