JPS54117931A - Steel pipe coupling - Google Patents

Steel pipe coupling

Info

Publication number
JPS54117931A
JPS54117931A JP2450378A JP2450378A JPS54117931A JP S54117931 A JPS54117931 A JP S54117931A JP 2450378 A JP2450378 A JP 2450378A JP 2450378 A JP2450378 A JP 2450378A JP S54117931 A JPS54117931 A JP S54117931A
Authority
JP
Japan
Prior art keywords
coupling
steel pipe
tapered thread
socket
thread
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.)
Pending
Application number
JP2450378A
Other languages
Japanese (ja)
Inventor
Tatsuaki Takeuchi
Takashi Nakano
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan Ltd
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 NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP2450378A priority Critical patent/JPS54117931A/en
Publication of JPS54117931A publication Critical patent/JPS54117931A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To get a steel pipe coupling with large resistance against bending and tensile forces and suitable for gas or water piping, by combining screw coupling with mechanical coupling.
CONSTITUTION: No.1 coupling unit 9 has a cylindrical socket 2 with an inner sleeve groove 7 and tapered thread 6 and another large socket 2' formed by expanding the caliber of the tapered thread 6. No.2 coupling unit 9' has a tapered thread 6' for screwing an end of a steel pipe 1' and sleeve groove 7' on the inside and a butt flange 5 on the outside and a spigot 3 on the thread 6' side. This coupling is composed of both coupling units 9, 9'. A seal packing 8 is fitted to the spigot side of the butt flange 5 and a fastening nut ring 4 is screwed in the large socket 2' and then both units are fastened to couple steel pipes 1, 1' liquidtight.
COPYRIGHT: (C)1979,JPO&Japio
JP2450378A 1978-03-06 1978-03-06 Steel pipe coupling Pending JPS54117931A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2450378A JPS54117931A (en) 1978-03-06 1978-03-06 Steel pipe coupling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2450378A JPS54117931A (en) 1978-03-06 1978-03-06 Steel pipe coupling

Publications (1)

Publication Number Publication Date
JPS54117931A true JPS54117931A (en) 1979-09-13

Family

ID=12139986

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2450378A Pending JPS54117931A (en) 1978-03-06 1978-03-06 Steel pipe coupling

Country Status (1)

Country Link
JP (1) JPS54117931A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7748684B2 (en) 2005-06-24 2010-07-06 Ckd Corporation Flow control valve
JP2019157890A (en) * 2018-03-07 2019-09-19 株式会社水道技術開発機構 Withdrawal prevention structure of pipe connection part

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7748684B2 (en) 2005-06-24 2010-07-06 Ckd Corporation Flow control valve
JP2019157890A (en) * 2018-03-07 2019-09-19 株式会社水道技術開発機構 Withdrawal prevention structure of pipe connection part

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