| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a rivet surely providing fastening strength, having durability in a thermal environment and superior for a multiple type. <P>SOLUTION: The rivet 3 includes: an almost cylindrical grommet 1 having an upper peripheral flange 12 and a buckling intended part 13 provided between the upper and lower ends; and a resin pin 2 arranged penetratingly in the cylinder of the grommet and having a lower end side engaged with the grommet lower end to be incapable of extraction, and an upper end side extending beyond the flange 12. The grommet 1 is penetrated through respective mounting holes 4a, 5a of a plurality of plates until regulated by the flange, and is expanded in diameter via the buckling intended part 13 with relative displacement by stress in the extraction direction of the pin 2, so that the respective plates can be caught and fastened between the diameter expanded portion 16 and the flange 12. The grommet 1 is made of a metal and is insert-molded during injection molding of the pin 2 to be fixed to the peripheral portion of the resin-formed pin 2. The grommet 1 is buckled and expanded in diameter by the stress in the extraction distance of the pin. <P>COPYRIGHT: (C)2013,JPO&INPIT |
