发明公开
EP0616138A2 Clinch staple, clinch staple assembly and method of manufacturing such a clinch staple assembly 失效
Klammer,Klammerstreife sowie Herstellungsverfahren。

  • 专利标题: Clinch staple, clinch staple assembly and method of manufacturing such a clinch staple assembly
  • 专利标题(中): Klammer,Klammerstreife sowie Herstellungsverfahren。
  • 申请号: EP94101288.2
    申请日: 1994-01-28
  • 公开(公告)号: EP0616138A2
    公开(公告)日: 1994-09-21
  • 发明人: Kerrigan, James E.
  • 申请人: DUO-FAST CORPORATION
  • 申请人地址: 3702 N. River Road Franklin Park, Illinois 60131-2176 US
  • 专利权人: DUO-FAST CORPORATION
  • 当前专利权人: DUO-FAST CORPORATION
  • 当前专利权人地址: 3702 N. River Road Franklin Park, Illinois 60131-2176 US
  • 代理机构: Bauer, Robert, Dipl.-Ing.
  • 优先权: US34505 19930319
  • 主分类号: F16B15/08
  • IPC分类号: F16B15/08 F16B15/00
Clinch staple, clinch staple assembly and method of manufacturing such a clinch staple assembly
摘要:
A clinch type staple (22) has a U-shaped configuration with a pair of legs (26, 28) extending generally perpendicularly from a base portion (24) of the staple with the outside surface of the distal ends (30, 32) of the legs being bevelled. The legs of the staple lie in spaced apart planes that are parallel to one another, but are angularly offset from one another in order to insure that the legs (26, 28) will not contact or interfere with each other as they are clinched into a workpiece (34, 36). A plurality of such clinch staples (22) can be manufactured into an assembly (20) of clinch staples. The method of making such an assembly of clinch staples includes advancing a plurality of wires (42) in parallel side-by-side relation in a flat, planar array and adhering them to one another. A blank (54), severed from an end of the formed array, includes a plurality of side-by-side wire segments of equal length extending parallel to one another in a first direction. The severing of the wires is accomplished along a cutting line that is inclined by a bias angle (56) from a perpendicular to the first direction. The blank (54) is bent along two bending lines to form a channel-shaped stick of clinch staples with the legs (26, 28) extending perpendicularly from a base or bight portion (24) of the staples (22). The two bending lines are parallel to the cutting line so that the legs of the formed staples will be offset angularly from each other.
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