Threaded joint for oil well steel pipe

Provided is a threaded joint for an oil well steel pipe having excellent sealing performance and compression resistance. The threaded joint has a pin 2 provided with a male screw 4, and a box 3 provided with a female screw 5 that screws together with the male screw 4. At an outer-circumferential sea...

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Bibliographische Detailangaben
Hauptverfasser:	Yoshikawa, Masaki, Kawai, Takamasa, Kanayama, Taro, Takano, Jun, Nagahama, Takuya
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	Provided is a threaded joint for an oil well steel pipe having excellent sealing performance and compression resistance. The threaded joint has a pin 2 provided with a male screw 4, and a box 3 provided with a female screw 5 that screws together with the male screw 4. At an outer-circumferential seal section 9, a pin cross-sectional area S1 (mm