| 摘要 |
<p>Problem: To provide a plastic blind rivet requiring no humidity supplying operation, whereby no multi-stage latching means are required and wherein sleeve expansion is maintained at the desired position by slits of constant width. Solution: In a sleeve 5 of a rivet body 2 of a blind rivet 1, a plurality of slits 10 of constant width is formed, extending from the end adjacent to a flange 6 to a position near the other end, a plurality of legs is formed in the sleeve portion, body locks 15 are formed in the body on the inside of the rivet body 2, a mandrel lock 18 that maintains the legs in an expanded condition is formed in the shank 7 of the mandrel 3, a stopper 22 for stopping a pulling-out operation on the shank 7 is formed in that shank, abutments 21 that abut the stopper are formed in the body lock, and a breakable point 23 of small diameter that is broken by a pulling-out operation on the shank after the stopper has abutted the abutments, is formed in the shank.</p> |
