STANZMUTTER

Disclosed is a pierce nut which comprises a cylindrical nut body (1) having an internally threaded bore (2) formed therein, an external cylindrical projection (3) and an internal cylindrical projection (4) with an end surface projecting further from the external cylindrical projection (3), an annula...

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Bibliographische Detailangaben
1. Verfasser:	KAZINO, HIROSHI
Format:	Patent
Sprache:	ger
Schlagworte:	BLASTING COMBINED OPERATIONS DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS THERMAL INSULATION IN GENERAL TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS
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Beschreibung
Zusammenfassung:	Disclosed is a pierce nut which comprises a cylindrical nut body (1) having an internally threaded bore (2) formed therein, an external cylindrical projection (3) and an internal cylindrical projection (4) with an end surface projecting further from the external cylindrical projection (3), an annular groove (5) provided between both cylindrical projections and on a bottom surface of the cylindrical nut body (1). The external cylindrical projection (3) has an inner surface formed to an inclined side wall (7), which is conically tapered outward and has turning-preventing serrations. This pierce nut can be pressure-formed from a coil rod very easily, ensuring reduction of the manufacturing cost, required little pressing force at the time of clinch installation, and provides sufficient clinching strength so that the pierce nut can reliably be used at a spot where a large load is applied.