JPS5530376A - Method and apparatus for expanding pipe - Google Patents

Method and apparatus for expanding pipe

Info

Publication number
JPS5530376A
JPS5530376A JP10392678A JP10392678A JPS5530376A JP S5530376 A JPS5530376 A JP S5530376A JP 10392678 A JP10392678 A JP 10392678A JP 10392678 A JP10392678 A JP 10392678A JP S5530376 A JPS5530376 A JP S5530376A
Authority
JP
Japan
Prior art keywords
hydraulic pressure
pressure
specified
linearly
pipe material
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.)
Granted
Application number
JP10392678A
Other languages
Japanese (ja)
Other versions
JPS5755496B2 (en
Inventor
Shinobu Watanabe
Susumu Fujishima
Masao Oi
Takemi Yamamoto
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10392678A priority Critical patent/JPS5530376A/en
Publication of JPS5530376A publication Critical patent/JPS5530376A/en
Publication of JPS5755496B2 publication Critical patent/JPS5755496B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To make the manufacture of the expanded pipe part with constant quality possible, by increasing the hydraulic pressure linearly to specified level, by holding this pressure for a specified period, and then, by linearly reducing the pressure, in case of expanding the pipe material by applying the hydraulic pressure to the inserted expander head.
CONSTITUTION: The expander head is constituted of installing the cylindrical elastic body around the outer surface of the holding metal provided with the high hydraulic pressure conducting hole; this expander head is inserted into the pipe material, and the hydraulic pressure is applied through the high hydraulic pressure conducting hole in order to expand the pipe material; hereupon, the hydraulic pressure is increased linearly to a specified level, and is held at this specified pressure for a specified period, and then, the pressure is linearly reducted; hereby, the specified expansion of the pipe is completed. Accoding to this method, the expansion of the pipe material free from the scattering of the bonding force becomes possible.
COPYRIGHT: (C)1980,JPO&Japio
JP10392678A 1978-08-28 1978-08-28 Method and apparatus for expanding pipe Granted JPS5530376A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10392678A JPS5530376A (en) 1978-08-28 1978-08-28 Method and apparatus for expanding pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10392678A JPS5530376A (en) 1978-08-28 1978-08-28 Method and apparatus for expanding pipe

Publications (2)

Publication Number Publication Date
JPS5530376A true JPS5530376A (en) 1980-03-04
JPS5755496B2 JPS5755496B2 (en) 1982-11-24

Family

ID=14367026

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10392678A Granted JPS5530376A (en) 1978-08-28 1978-08-28 Method and apparatus for expanding pipe

Country Status (1)

Country Link
JP (1) JPS5530376A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1604752A1 (en) * 2004-06-03 2005-12-14 Balcke-Dürr GmbH Method and device for hydraulic expansion
JP2009039763A (en) * 2007-08-09 2009-02-26 Sugino Mach Ltd Mandrel sealing part
KR101287630B1 (en) * 2006-04-10 2013-07-24 가부시키가이샤 스기노 마신 Hydraulic pipe expanding forming appratus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6428297U (en) * 1987-08-11 1989-02-20
JPH01178893U (en) * 1988-06-08 1989-12-21

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52142356A (en) * 1976-05-21 1977-11-28 Balcke Duerr Ag Method of sealing tube into hole of tubular plate

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52142356A (en) * 1976-05-21 1977-11-28 Balcke Duerr Ag Method of sealing tube into hole of tubular plate

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1604752A1 (en) * 2004-06-03 2005-12-14 Balcke-Dürr GmbH Method and device for hydraulic expansion
CN1332771C (en) * 2004-06-03 2007-08-22 巴尔克有限公司 Method and device for hydraulic expansion
KR101287630B1 (en) * 2006-04-10 2013-07-24 가부시키가이샤 스기노 마신 Hydraulic pipe expanding forming appratus
JP2009039763A (en) * 2007-08-09 2009-02-26 Sugino Mach Ltd Mandrel sealing part

Also Published As

Publication number Publication date
JPS5755496B2 (en) 1982-11-24

Similar Documents

Publication Publication Date Title
EP0034549A3 (en) Rolling-in process, tool for use in carrying out this process and assembly obtained with the aid of this process
JPS5530376A (en) Method and apparatus for expanding pipe
JPS5452664A (en) Forming method for pipe at pipe joint portion
JPS53119266A (en) Expanding and drawning method for metallic tube
JPS5584233A (en) Pipe burring device
JPS5437059A (en) Method of producting internally wrought pipe
JPS53102861A (en) Sticking method for ring on hollow shaft
JPS53128558A (en) Method of fabricating composite metal wire
JPS55144936A (en) Manufacture of triplex tube
JPS5440270A (en) Upsetting method for end portion of metallic pipe
GB2023252A (en) Blind fastener device
JPS5439362A (en) Method of and apparatus for bring pipe with receiving hole by expansion
JPS5416362A (en) Pipe expander
JPS5372218A (en) Simple flexible joint
JPS555256A (en) Method of repairing tube
JPS5725228A (en) Production of composite pipe
JPS55117530A (en) Straightening method for pipe end
JPS5435145A (en) Seal welding method of tube plate and tube
JPS5682139A (en) Press fitting method for plug
JPS532753A (en) Shaping method of adiabatic material
JPS52154147A (en) Manufacturing method of accumulator
JPS5680415A (en) Manufacture of heat-contractive tube
JPS55114431A (en) Pipe expander
JPS53128564A (en) Method of roll jointing pipe end
JPS53142964A (en) Working method for pipe