EP1792669A4 - Punch device for u-press in uoe steel tube manufacturing process - Google Patents

Punch device for u-press in uoe steel tube manufacturing process

Info

Publication number
EP1792669A4
EP1792669A4 EP05730463A EP05730463A EP1792669A4 EP 1792669 A4 EP1792669 A4 EP 1792669A4 EP 05730463 A EP05730463 A EP 05730463A EP 05730463 A EP05730463 A EP 05730463A EP 1792669 A4 EP1792669 A4 EP 1792669A4
Authority
EP
European Patent Office
Prior art keywords
press
manufacturing process
punch
faces
uoe steel
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
EP05730463A
Other languages
German (de)
French (fr)
Other versions
EP1792669A1 (en
EP1792669B1 (en
Inventor
Hidenori Shitamoto
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Publication of EP1792669A1 publication Critical patent/EP1792669A1/en
Publication of EP1792669A4 publication Critical patent/EP1792669A4/en
Application granted granted Critical
Publication of EP1792669B1 publication Critical patent/EP1792669B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/0815—Making tubes with welded or soldered seams without continuous longitudinal movement of the sheet during the bending operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The present invention provides a punch device for U-press in a UOE steel pipe manufacturing process capable of coping with various manufacturing pipe sizes and reducing the width of a U-shaped pipe after U-press less than that by a conventional punch device for U-press. The punch device (100) used in the UOE steel pipe manufacturing process comprises a first punch part (10) having semi-cylindrical press faces (11), (11) on both side-faces, a second punch part (20) disposed in contact with the lower side of the first punch part (10) and having semi-cylindrical press faces (21), (21), which are the same as or different from the press faces (11), on both side-faces, and a third punch part (30) disposed in contact with the lower side of the second punch part (20) and having a downward semi-cylindrical press face (31).
EP05730463A 2004-04-21 2005-04-14 Punch device for u-press in uoe steel tube manufacturing process Not-in-force EP1792669B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004125470A JP4479327B2 (en) 2004-04-21 2004-04-21 Punch device for U press in UOE steel pipe manufacturing process
PCT/JP2005/007219 WO2005102549A1 (en) 2004-04-21 2005-04-14 Punch device for u-press in uoe steel tube manufacturing process

Publications (3)

Publication Number Publication Date
EP1792669A1 EP1792669A1 (en) 2007-06-06
EP1792669A4 true EP1792669A4 (en) 2007-11-28
EP1792669B1 EP1792669B1 (en) 2011-05-25

Family

ID=35196788

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05730463A Not-in-force EP1792669B1 (en) 2004-04-21 2005-04-14 Punch device for u-press in uoe steel tube manufacturing process

Country Status (5)

Country Link
EP (1) EP1792669B1 (en)
JP (1) JP4479327B2 (en)
CN (1) CN100415401C (en)
AT (1) ATE510637T1 (en)
WO (1) WO2005102549A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101461748B1 (en) 2012-12-24 2014-11-13 주식회사 포스코 Pipe making method and c crimping device
KR101382788B1 (en) 2012-12-27 2014-04-17 주식회사 포스코 Pipe making method and c crimping device
WO2016084607A1 (en) * 2014-11-25 2016-06-02 Ｊｆｅスチール株式会社 Method for manufacturing steel pipe and press mold used in said method
DK3165297T3 (en) * 2015-11-03 2019-04-29 Ssab Technology Ab BENDING PROCEDURE
JP6729011B2 (en) * 2016-06-06 2020-07-22 日本製鉄株式会社 Method for manufacturing closed-section structural member and upper mold for O molding
AT520930B1 (en) * 2018-06-29 2019-09-15 Voestalpine Prec Strip Gmbh Method for producing a steel strip knife and steel strip knife for tools
JP7341424B2 (en) * 2019-10-03 2023-09-11 株式会社キーレックス Metal tube forming equipment
JP7226367B2 (en) * 2020-02-12 2023-02-21 トヨタ自動車株式会社 Pipe manufacturing method
CN112355101B (en) * 2021-01-12 2021-03-26 滨州医学院烟台附属医院 Bending device for medical support

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6043813B2 (en) * 1978-11-22 1985-09-30 新日本製鐵株式会社 Thick wall UO steel pipe forming method
JP2002086213A (en) * 2000-09-13 2002-03-26 Nkk Corp Method and device for forming welded steel pipe
CN2468708Y (en) * 2001-02-26 2002-01-02 王及元 Press for forming U shaped articles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
JP2005305501A (en) 2005-11-04
CN1942261A (en) 2007-04-04
ATE510637T1 (en) 2011-06-15
CN100415401C (en) 2008-09-03
JP4479327B2 (en) 2010-06-09
EP1792669A1 (en) 2007-06-06
EP1792669B1 (en) 2011-05-25
WO2005102549A1 (en) 2005-11-03

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