Threaded joint of pipe and method for connecting same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12110992
APP PUB NO 20230383875A1
SERIAL NO

18044990

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Abstract

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A threaded joint wherein a relationship between shoulder angle parameters and thread taper angle parameters for a coupling and a pair of pins inserted from both ends of the coupling is defined by the following expression (1), and a tightening torque with which the threaded joint is tightened is 60% or more and 85% or less of a yield torque determined by the following expression (2):

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Patent Owner(s)

Patent OwnerAddress
JFE STEEL CORPORATION2-3 UCHISAIWAI-CHO 2-CHOME CHIYODA-KU TOKYO 1000011 JAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goto, Seigo Tokyo, JP 10 2
Ozaki, Seiji Tokyo, JP 8 110
Sato, Hideo Tokyo, JP 356 4070
Yoshikawa, Masaki Tokyo, JP 51 262

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