WO2009078158A1 - Pipe shaping method - Google Patents

Pipe shaping method Download PDF

Info

Publication number
WO2009078158A1
WO2009078158A1 PCT/JP2008/003742 JP2008003742W WO2009078158A1 WO 2009078158 A1 WO2009078158 A1 WO 2009078158A1 JP 2008003742 W JP2008003742 W JP 2008003742W WO 2009078158 A1 WO2009078158 A1 WO 2009078158A1
Authority
WO
WIPO (PCT)
Prior art keywords
pipe
shaping method
elastic tube
pipe shaping
shaping
Prior art date
Application number
PCT/JP2008/003742
Other languages
French (fr)
Japanese (ja)
Inventor
Takashi Yamaguchi
Hiroshi Minakuchi
Original Assignee
K & I Inc.
Minakuchi Laboratory
Life Technology Research Institute, Inc.
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
Priority claimed from JP2008107437A external-priority patent/JP2009166119A/en
Application filed by K & I Inc., Minakuchi Laboratory, Life Technology Research Institute, Inc. filed Critical K & I Inc.
Publication of WO2009078158A1 publication Critical patent/WO2009078158A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/08—Tube expanders
    • B21D39/20—Tube expanders with mandrels, e.g. expandable
    • B21D39/203—Tube expanders with mandrels, e.g. expandable expandable by fluid or elastic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/10—Stamping using yieldable or resilient pads
    • B21D22/105—Stamping using yieldable or resilient pads of tubular products

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

A method of accurately shaping the inner surface of a pipe. A pipe (3) is set in a shaping die (4), and an elastic tube (5) is inserted into the pipe (3). Then, pressurized fluid, such as oil, is supplied into the elastic tube (5) inserted in the pipe (3). This inflates the elastic tube (5) radially outward, causing a shaping projection (7) to plastically deform a part of the pipe (3) to form a rib (3a).
PCT/JP2008/003742 2007-12-18 2008-12-12 Pipe shaping method WO2009078158A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-325347 2007-12-18
JP2007325347 2007-12-18
JP2008-107437 2008-04-17
JP2008107437A JP2009166119A (en) 2007-12-18 2008-04-17 Pipe shaping method

Publications (1)

Publication Number Publication Date
WO2009078158A1 true WO2009078158A1 (en) 2009-06-25

Family

ID=40795280

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/003742 WO2009078158A1 (en) 2007-12-18 2008-12-12 Pipe shaping method

Country Status (1)

Country Link
WO (1) WO2009078158A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016084152A1 (en) * 2014-11-26 2016-06-02 有限会社山口製作所 Metal tube having embossed inner surface, and manufacturing method therefor
JP2017512139A (en) * 2014-03-06 2017-05-18 ティッセンクルップ スチール ヨーロッパ アクチェンゲゼルシャフトＴｈｙｓｓｅｎＫｒｕｐｐ Ｓｔｅｅｌ Ｅｕｒｏｐｅ ＡＧ How to adapt part shapes individually
EP3912747A1 (en) * 2020-05-22 2021-11-24 Toshiba Mitsubishi-Electric Industrial Systems Corporation Method of manufacturing heat exchanger for rotating electrical machine, and pressing device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933874A (en) * 1972-07-31 1974-03-28
JPS5326253A (en) * 1976-08-23 1978-03-10 Tokyo Shibaura Electric Co Overhang forming method
JPH04224025A (en) * 1990-12-26 1992-08-13 Sumikin Kozai Kogyo Kk Nodulated tube, nodulated clad tube and manufacturing device therefor
JPH1085844A (en) * 1996-08-30 1998-04-07 Gec Alsthom Acb Equipment for forming metallic shape

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933874A (en) * 1972-07-31 1974-03-28
JPS5326253A (en) * 1976-08-23 1978-03-10 Tokyo Shibaura Electric Co Overhang forming method
JPH04224025A (en) * 1990-12-26 1992-08-13 Sumikin Kozai Kogyo Kk Nodulated tube, nodulated clad tube and manufacturing device therefor
JPH1085844A (en) * 1996-08-30 1998-04-07 Gec Alsthom Acb Equipment for forming metallic shape

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017512139A (en) * 2014-03-06 2017-05-18 ティッセンクルップ スチール ヨーロッパ アクチェンゲゼルシャフトＴｈｙｓｓｅｎＫｒｕｐｐ Ｓｔｅｅｌ Ｅｕｒｏｐｅ ＡＧ How to adapt part shapes individually
US10493513B2 (en) 2014-03-06 2019-12-03 Thyssenkrupp Steel Europe Ag Method for the individualized adaptation of the shape of components
WO2016084152A1 (en) * 2014-11-26 2016-06-02 有限会社山口製作所 Metal tube having embossed inner surface, and manufacturing method therefor
EP3912747A1 (en) * 2020-05-22 2021-11-24 Toshiba Mitsubishi-Electric Industrial Systems Corporation Method of manufacturing heat exchanger for rotating electrical machine, and pressing device
CN113708568A (en) * 2020-05-22 2021-11-26 东芝三菱电机产业系统株式会社 Method for manufacturing heat exchanger for rotating electric machine, and pressing device

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