| 摘要 |
PCT No. PCT/SE81/00382 Sec. 371 Date Sep. 10, 1982 Sec. 102(e) Date Sep. 10, 1982 PCT Filed Dec. 18, 1981 PCT Pub. No. WO82/02504 PCT Pub. Date Aug. 5, 1982.A tool for making a rivet or expansion nail, i.e. a nail that has at least at one end a laterally expandable portion and is made by cutting off and stamping a nail wire in a single working stroke, wherein the tool includes a guide for a nail wire for guiding the wire in a plane perpendicular to the wire, a cutter having edges disposed in V-fashion, a stamping mandrel arranged in the plane of symmetry of the cutting edges and positioned on the open side of and facing away from the converging point of the V-arrayed cutting edges, and resilient applicators which are pressed by the nail wire during a working stroke of the tool against the action of a spring and lift the nail from the cutter and stamping mandrel during a return stroke of the tool. |
