Method of forming a torsion bar with hexagonal heads

To make a metal torsion bar having an elongate central body connected to two hexagonal end heads via shoulders, the ends of a torsion bar blank are initially upset while hot so as to form the shoulders of the torsion bar together with cylindrical head blanks, after which each head blank is machined...

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Bibliographische Detailangaben
Hauptverfasser:	BELLIATO, YANNICK, VOISIN, JEAN-DOMINIQUE, VUILLEMARD, FREDERIC
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS FORGE FURNACES FORGING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HAMMERING HEATING LIGHTING MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PRESSING METAL PUNCHING METAL RIVETING SHOCK-ABSORBERS SPRINGS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	To make a metal torsion bar having an elongate central body connected to two hexagonal end heads via shoulders, the ends of a torsion bar blank are initially upset while hot so as to form the shoulders of the torsion bar together with cylindrical head blanks, after which each head blank is machined by removing material until the corresponding hexagonal head has been obtained.