DE69425254D1 - Flexibele festhaltevorrichtung und verfahren zum streckformen länglicher metallhohlprofile - Google Patents

Flexibele festhaltevorrichtung und verfahren zum streckformen länglicher metallhohlprofile

Info

Publication number
DE69425254D1
DE69425254D1 DE69425254T DE69425254T DE69425254D1 DE 69425254 D1 DE69425254 D1 DE 69425254D1 DE 69425254 T DE69425254 T DE 69425254T DE 69425254 T DE69425254 T DE 69425254T DE 69425254 D1 DE69425254 D1 DE 69425254D1
Authority
DE
Germany
Prior art keywords
elongal
profiles
stretching
fastening device
flexible fastening
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.)
Expired - Lifetime
Application number
DE69425254T
Other languages
English (en)
Other versions
DE69425254T2 (de
Inventor
E Weykamp
P Evert
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.)
Howmet Aerospace Inc
Original Assignee
Aluminum Company of America
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 Aluminum Company of America filed Critical Aluminum Company of America
Publication of DE69425254D1 publication Critical patent/DE69425254D1/de
Application granted granted Critical
Publication of DE69425254T2 publication Critical patent/DE69425254T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/02—Bending by stretching or pulling over a die

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Metal Extraction Processes (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
DE69425254T 1993-04-05 1994-04-04 Flexibele festhaltevorrichtung und verfahren zum streckformen länglicher metallhohlprofile Expired - Lifetime DE69425254T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/043,014 US5349839A (en) 1993-04-05 1993-04-05 Flexible constraining apparatus and method for the stretch forming of elongated hollow metal sections
PCT/US1994/003645 WO1994022609A1 (en) 1993-04-05 1994-04-04 Flexible constraining apparatus and method for the stretch forming of elongated hollow metal sections

Publications (2)

Publication Number Publication Date
DE69425254D1 true DE69425254D1 (de) 2000-08-17
DE69425254T2 DE69425254T2 (de) 2001-02-22

Family

ID=21924993

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69425254T Expired - Lifetime DE69425254T2 (de) 1993-04-05 1994-04-04 Flexibele festhaltevorrichtung und verfahren zum streckformen länglicher metallhohlprofile

Country Status (6)

Country Link
US (1) US5349839A (de)
EP (1) EP0693980B1 (de)
AU (1) AU6529894A (de)
DE (1) DE69425254T2 (de)
NO (1) NO311411B1 (de)
WO (1) WO1994022609A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4416147C2 (de) * 1994-05-09 1998-04-09 Schaefer Hydroforming Gmbh Anwendung des Innenhochdruckumformverfahrens zum Herstellen eines gekrümmten metallischen Längshohlkörpers und eine hierfür einsetzbare Innenhochdruckumformpresse
US5561902A (en) * 1994-09-28 1996-10-08 Cosma International Inc. Method of manufacturing a ladder frame assembly for a motor vehicle
AU681982B2 (en) * 1995-02-10 1997-09-11 Ogihara America Corporation Stretch controlled forming mechanism and method for forming multiple guage welded blanks
US5620537A (en) * 1995-04-28 1997-04-15 Rockwell International Corporation Method of superplastic extrusion
US5735160A (en) * 1997-04-15 1998-04-07 Aluminum Company Of America Stretch forming metal bodies with polymeric internal mandrels
US5737953A (en) * 1997-03-18 1998-04-14 Aluminum Company Of America Process for stretch forming hollow metal bodies
US5907896A (en) * 1997-09-10 1999-06-01 Tseng; Shao-Chien Method for bending forging artistic metallic pipes
US6260398B1 (en) 2000-02-11 2001-07-17 Alcoa Inc. Forming of hollow extrusions with double plane bends and twists
US6510720B1 (en) * 2001-10-18 2003-01-28 Hartwick Professionals, Inc. Hydraulic pressure forming using a self aligning and activating die system
SI1426123T1 (sl) * 2002-12-06 2007-06-30 Thyssen Krupp Automotive Ag Postopek in naprava za visokotlačno oblikovanje notranjosti profila
US7340933B2 (en) * 2006-02-16 2008-03-11 Rohr, Inc. Stretch forming method for a sheet metal skin segment having compound curvatures
US8240354B2 (en) 2010-04-12 2012-08-14 Won-Door Corporation Movable partition systems and components thereof including chain guide structures, and methods of forming and installing same
DE102010016960A1 (de) * 2010-05-14 2011-11-17 Thyssenkrupp Steel Europe Ag Verfahren zur Herstellung von Hohlprofilen mit einem Längsflansch
US9314830B2 (en) 2014-06-30 2016-04-19 Ferrari Metals Corporation Bending device
CN104209414A (zh) * 2014-08-21 2014-12-17 长春市正通科技开发有限公司 补充垫块式多点成型三维拉弯模具及成型方法
US11351588B2 (en) 2020-09-10 2022-06-07 Redoux Industries LLC Forming hoops for grow houses

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2889864A (en) * 1959-06-09 Apparatus for stretch-wrap forming metal workpieces
US2267774A (en) * 1940-11-06 1941-12-30 John A Wall Pipe shaping tool
US2693637A (en) * 1950-10-19 1954-11-09 Lockheed Aircraft Corp Method for forming metal parts
US2729265A (en) * 1951-12-20 1956-01-03 Boeing Co Articulated metal forming tool
US2868264A (en) * 1954-10-22 1959-01-13 Fairchild Engine & Airplane Articulated die
US4567743A (en) * 1985-03-19 1986-02-04 Standard Tube Canada Inc. Method of forming box-section frame members
US4803878A (en) * 1987-01-20 1989-02-14 The Cyril Bath Company Method and apparatus for forming elongate tubular members into a predetermined shape while extrusion is gas pressurized and product
DE4017072A1 (de) * 1990-05-26 1991-11-28 Benteler Werke Ag Verfahren zum hydraulischen umformen eines rohrfoermigen hohlkoerpers und vorrichtung zur durchfuehrung des verfahrens
US5070717A (en) * 1991-01-22 1991-12-10 General Motors Corporation Method of forming a tubular member with flange
US5214951A (en) * 1992-05-06 1993-06-01 Waddell Thomas T Method and apparatus for controlled bending of strip stock

Also Published As

Publication number Publication date
EP0693980A1 (de) 1996-01-31
WO1994022609A1 (en) 1994-10-13
DE69425254T2 (de) 2001-02-22
AU6529894A (en) 1994-10-24
EP0693980A4 (de) 1996-11-27
US5349839A (en) 1994-09-27
EP0693980B1 (de) 2000-07-12
NO953947D0 (no) 1995-10-04
NO953947L (no) 1995-12-04
NO311411B1 (no) 2001-11-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ALCOA INC., PITTSBURGH, PA., US