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JPS51114716A - Method of manufacturing a tubular body with a coupling - Google Patents

Method of manufacturing a tubular body with a coupling

Info

Publication number
JPS51114716A
JPS51114716A JP3941075A JP3941075A JPS51114716A JP S51114716 A JPS51114716 A JP S51114716A JP 3941075 A JP3941075 A JP 3941075A JP 3941075 A JP3941075 A JP 3941075A JP S51114716 A JPS51114716 A JP S51114716A
Authority
JP
Japan
Prior art keywords
coupling
tubular body
manufacturing
ease
groove
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
JP3941075A
Other languages
Japanese (ja)
Inventor
Eiichi Nakao
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.)
HANEDA CONCRETE KOGYO
HANEDA KONKURIITO KOUGIYOU KK
Haneda Concrete Industrial Co Ltd
Original Assignee
HANEDA CONCRETE KOGYO
HANEDA KONKURIITO KOUGIYOU KK
Haneda Concrete Industrial Co 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 HANEDA CONCRETE KOGYO, HANEDA KONKURIITO KOUGIYOU KK, Haneda Concrete Industrial Co Ltd filed Critical HANEDA CONCRETE KOGYO
Priority to JP3941075A priority Critical patent/JPS51114716A/en
Publication of JPS51114716A publication Critical patent/JPS51114716A/en
Pending legal-status Critical Current

Links

Landscapes

  • Rigid Pipes And Flexible Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Joints With Sleeves (AREA)

Abstract

PURPOSE: To provide a method of a tubular body with a groove-like coupling that can be formed with ease.
COPYRIGHT: (C)1976,JPO&Japio
JP3941075A 1975-04-01 1975-04-01 Method of manufacturing a tubular body with a coupling Pending JPS51114716A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3941075A JPS51114716A (en) 1975-04-01 1975-04-01 Method of manufacturing a tubular body with a coupling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3941075A JPS51114716A (en) 1975-04-01 1975-04-01 Method of manufacturing a tubular body with a coupling

Publications (1)

Publication Number Publication Date
JPS51114716A true JPS51114716A (en) 1976-10-08

Family

ID=12552211

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3941075A Pending JPS51114716A (en) 1975-04-01 1975-04-01 Method of manufacturing a tubular body with a coupling

Country Status (1)

Country Link
JP (1) JPS51114716A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6272981A (en) * 1985-09-24 1987-04-03 平岡金属工業株式会社 Concrete pipe, joint section thereof has cut-off function, and molding method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4884824A (en) * 1972-02-18 1973-11-10

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4884824A (en) * 1972-02-18 1973-11-10

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6272981A (en) * 1985-09-24 1987-04-03 平岡金属工業株式会社 Concrete pipe, joint section thereof has cut-off function, and molding method thereof

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