METHOD FOR MAKING SUCKER-ROD

FIELD: sucker-rod making. SUBSTANCE: method includes upsetting rolled sucker-rod heads provided with nipple, bead, square and fillet transforming into sucker-rod body from both ends. Then heat treatment, dressing and machining of upset parts are applied. When dressing lengthwise loading of sucker-ro...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	VASSERMAN N.N, KALUGIN V.E, SEMENOV V.V
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CHEMISTRY GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
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