Cold rolling devices and cold rolled rotary shouldered connection threads

A device for cold rolling a thread on a tubular support member of a rotary shouldered thread connection includes obtaining an original root depth of a thread root, cold rolling the thread until a minimum increased root depth tolerance is achieved.

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Bibliographische Detailangaben
Hauptverfasser:	Singh, Rakesh, Collins, Anthony Louis Williams, Moriarty, Keith, Brinegar, Doyle, Song, Fei, Li, Ke Ken, Du, Michael Hui, Stafford, Stephen Ray
Format:	Patent
Sprache:	eng
Schlagworte:	MACHINE TOOLS MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS,WHEELS, RINGS, BARRELS, BALLS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PUNCHING METAL THREAD CUTTING TRANSPORTING WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTIONTHEREWITH
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Beschreibung
Zusammenfassung:	A device for cold rolling a thread on a tubular support member of a rotary shouldered thread connection includes obtaining an original root depth of a thread root, cold rolling the thread until a minimum increased root depth tolerance is achieved.