Cold Rolling Devices and Colled Rolled Rotary Shouldered Connection Threads

A method of 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. The thread may be cold rolled with a wheel tip having...

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Bibliographische Detailangaben
Hauptverfasser: SONG FEI, LI KE KEN, SINGH RAKESH, MORIARTY KEITH, DU MICHAEL HUI, STAFFORD STEPHEN RAY, COLLINS ANTHONY LOUIS WILLIAM
Format: Patent
Sprache:eng
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Zusammenfassung:A method of 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. The thread may be cold rolled with a wheel tip having an elliptical profile.