JPH06713Y2 - 高気密・耐焼き付き性油井管用ネジ継手 - Google Patents

高気密・耐焼き付き性油井管用ネジ継手

Info

Publication number
JPH06713Y2
JPH06713Y2 JP4762490U JP4762490U JPH06713Y2 JP H06713 Y2 JPH06713 Y2 JP H06713Y2 JP 4762490 U JP4762490 U JP 4762490U JP 4762490 U JP4762490 U JP 4762490U JP H06713 Y2 JPH06713 Y2 JP H06713Y2
Authority
JP
Japan
Prior art keywords
joint
pin
box
screw joint
cutting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP4762490U
Other languages
English (en)
Japanese (ja)
Other versions
JPH047791U (cs
Inventor
英司 都留
藤雅 神山
昌雄 小笠原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP4762490U priority Critical patent/JPH06713Y2/ja
Publication of JPH047791U publication Critical patent/JPH047791U/ja
Application granted granted Critical
Publication of JPH06713Y2 publication Critical patent/JPH06713Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
JP4762490U 1990-05-09 1990-05-09 高気密・耐焼き付き性油井管用ネジ継手 Expired - Lifetime JPH06713Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4762490U JPH06713Y2 (ja) 1990-05-09 1990-05-09 高気密・耐焼き付き性油井管用ネジ継手

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4762490U JPH06713Y2 (ja) 1990-05-09 1990-05-09 高気密・耐焼き付き性油井管用ネジ継手

Publications (2)

Publication Number Publication Date
JPH047791U JPH047791U (cs) 1992-01-23
JPH06713Y2 true JPH06713Y2 (ja) 1994-01-05

Family

ID=31563716

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4762490U Expired - Lifetime JPH06713Y2 (ja) 1990-05-09 1990-05-09 高気密・耐焼き付き性油井管用ネジ継手

Country Status (1)

Country Link
JP (1) JPH06713Y2 (cs)

Also Published As

Publication number Publication date
JPH047791U (cs) 1992-01-23

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