| 摘要 |
PCT No. PCT/NO94/00091 Sec. 371 Date Jan. 11, 1996 Sec. 102(e) Date Jan. 11, 1996 PCT Filed May 10, 1994 PCT Pub. No. WO94/27054 PCT Pub. Date Nov. 24, 1994The present invention concerns a self-cutting blind rivet/expansion rivet without draw nails in the core of the rivet, a method for blind riveting/expansion and an apparatus for performing the method, together with a function for expansion by a combination of these within the same process. There is described a blind rivet (101) expansion rivet (300) which comprises a head (101) with an engagement body (102) for co-operation with a complementary screw nose on a mounting tool, a self-drilling tip (103) in the outer end of the rivet and an axial hole (104) which at least over part of its length is provided with a conical section for attachment from the tool for mounting the rivet, and in addition a mountable head (FIG. 3A) for expansion/riveting which is equipped with a clamping sleeve (303). A self-drilling blind rivet system comprises a tool for placing and expanding the rivet in the same process, where the tool's nose head increases the area of application within a number of fastening systems. Riveting/expansion or a combination of these takes place with the same nose head. The tool's operating is the same as that described for a self-drilling blind rivet, but with a clamping sleeve/drawing rod mounted, the area of application for fastening systems will have a wide scope.
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