JPS5548426A - Preparation of bent pipe of equal thickness - Google Patents

Preparation of bent pipe of equal thickness

Info

Publication number
JPS5548426A
JPS5548426A JP12062578A JP12062578A JPS5548426A JP S5548426 A JPS5548426 A JP S5548426A JP 12062578 A JP12062578 A JP 12062578A JP 12062578 A JP12062578 A JP 12062578A JP S5548426 A JPS5548426 A JP S5548426A
Authority
JP
Japan
Prior art keywords
working
bending
pipe
thickness
eccentric
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
JP12062578A
Other languages
Japanese (ja)
Inventor
Akira Yoshitake
Arata Komitsu
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.)
Kubota Corp
Original Assignee
Kubota 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 Kubota Corp filed Critical Kubota Corp
Priority to JP12062578A priority Critical patent/JPS5548426A/en
Publication of JPS5548426A publication Critical patent/JPS5548426A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To manufacture the captioned bent pipe by performing bending working after carrying out eccentric working by which a straight pipe is used as its original pipe, thickness of the part to be the outside of the bent pipe is increased by the reduced thickness due to bending working, and thickness of the part to be the inside is reduced by the increased thickness.
CONSTITUTION: The increased thickness tA and the reduced thickness tB of the eccentric working part of the original pipe 1, the length of the part B which is subject to bending working, and the lengh l of the taper part connected to the straight pipe part 1C from the part B which is subject to bending working are properly adjusted or varied depending upon the bending conditions in case of performing the bending working, that is, the bending radius and the bending angle. Also, the eccentric working of the original pipe 1 can be easily carried out by partially performing plastic deformation through the upper and lower half dies making a circle by coupling the straight pipes, but also it can be molded by means of cutting working from the pipe by machine work. As mentioned above, by carrying out the eccentric working in advance to the part B which is subject to bending working of the original pipe 1, both the outside part 2a and the inside part 2b can be molded to the same thickness t as that of the straight pipe part 2C of both the ends, after bending working.
COPYRIGHT: (C)1980,JPO&Japio
JP12062578A 1978-09-30 1978-09-30 Preparation of bent pipe of equal thickness Pending JPS5548426A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12062578A JPS5548426A (en) 1978-09-30 1978-09-30 Preparation of bent pipe of equal thickness

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12062578A JPS5548426A (en) 1978-09-30 1978-09-30 Preparation of bent pipe of equal thickness

Publications (1)

Publication Number Publication Date
JPS5548426A true JPS5548426A (en) 1980-04-07

Family

ID=14790851

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12062578A Pending JPS5548426A (en) 1978-09-30 1978-09-30 Preparation of bent pipe of equal thickness

Country Status (1)

Country Link
JP (1) JPS5548426A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58161235A (en) * 1982-03-19 1983-09-24 Internatl Precision Inc Scanning type electron beam device
JP2009221520A (en) * 2008-03-14 2009-10-01 Sumitomo Metal Ind Ltd Austenitic stainless steel pipe for high-frequency bending and bending method using the steel pipe
JP2015129577A (en) * 2014-01-06 2015-07-16 智 小野寺 Existing pipe reclamation member of single item and pipeline member of single item
JP2016043564A (en) * 2014-08-22 2016-04-04 株式会社Fts Blow molding method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5360865A (en) * 1976-11-12 1978-05-31 Mitsubishi Heavy Ind Ltd Method of bending pipes

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5360865A (en) * 1976-11-12 1978-05-31 Mitsubishi Heavy Ind Ltd Method of bending pipes

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58161235A (en) * 1982-03-19 1983-09-24 Internatl Precision Inc Scanning type electron beam device
JP2009221520A (en) * 2008-03-14 2009-10-01 Sumitomo Metal Ind Ltd Austenitic stainless steel pipe for high-frequency bending and bending method using the steel pipe
JP2015129577A (en) * 2014-01-06 2015-07-16 智 小野寺 Existing pipe reclamation member of single item and pipeline member of single item
JP2016043564A (en) * 2014-08-22 2016-04-04 株式会社Fts Blow molding method

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