EP0856367A3 - Formage par étirage de corps métalliques avec des mandrins interne polymériques - Google Patents

Formage par étirage de corps métalliques avec des mandrins interne polymériques Download PDF

Info

Publication number
EP0856367A3
EP0856367A3 EP98300707A EP98300707A EP0856367A3 EP 0856367 A3 EP0856367 A3 EP 0856367A3 EP 98300707 A EP98300707 A EP 98300707A EP 98300707 A EP98300707 A EP 98300707A EP 0856367 A3 EP0856367 A3 EP 0856367A3
Authority
EP
European Patent Office
Prior art keywords
forming metal
end portions
metal bodies
stretch forming
polymeric internal
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.)
Withdrawn
Application number
EP98300707A
Other languages
German (de)
English (en)
Other versions
EP0856367A2 (fr
Inventor
Thomas J. Vansumeren
Robert P. Even
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
Priority claimed from US08/839,616 external-priority patent/US5735160A/en
Application filed by Aluminum Company of America filed Critical Aluminum Company of America
Publication of EP0856367A2 publication Critical patent/EP0856367A2/fr
Publication of EP0856367A3 publication Critical patent/EP0856367A3/fr
Withdrawn legal-status Critical Current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
    • 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
    • B21D9/00—Bending tubes using mandrels or the like
    • 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
    • B21D9/00—Bending tubes using mandrels or the like
    • B21D9/08—Bending tubes using mandrels or the like in press brakes or between rams and anvils or abutments; Pliers with forming dies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
EP98300707A 1997-01-31 1998-01-30 Formage par étirage de corps métalliques avec des mandrins interne polymériques Withdrawn EP0856367A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US3679897P 1997-01-31 1997-01-31
US36798P 1997-01-31
US839616 1997-04-15
US08/839,616 US5735160A (en) 1997-04-15 1997-04-15 Stretch forming metal bodies with polymeric internal mandrels

Publications (2)

Publication Number Publication Date
EP0856367A2 EP0856367A2 (fr) 1998-08-05
EP0856367A3 true EP0856367A3 (fr) 2001-01-31

Family

ID=26713514

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98300707A Withdrawn EP0856367A3 (fr) 1997-01-31 1998-01-30 Formage par étirage de corps métalliques avec des mandrins interne polymériques

Country Status (2)

Country Link
EP (1) EP0856367A3 (fr)
JP (1) JPH10263712A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19926330C2 (de) * 1999-06-09 2001-08-09 Thyssenkrupp Stahl Ag Biegedorn für eine Biegevorrichtung und Biegeverfahren für Rohre
GB2442793A (en) * 2006-10-10 2008-04-16 Apogee Antennas Ltd Forming curved panels
JP5541684B2 (ja) * 2010-01-29 2014-07-09 株式会社神戸製鋼所 アルミニウム合金の中空押出形材のプレス曲げ加工方法
CN102228921A (zh) * 2011-04-21 2011-11-02 吉林大学 新一代高速动车铝合金端墙柱构件成形方法
DE102014107389A1 (de) * 2014-05-26 2015-11-26 Viega Gmbh & Co. Kg Innenbiegewerkzeug für Rohre
CN105195622A (zh) * 2015-10-26 2015-12-30 浙江志达管业有限公司 管制弯头冲压成型模具
AT518648B1 (de) * 2016-07-07 2017-12-15 Fill Gmbh Streckbiegemaschine und Verfahren zum Verformen eines Werkstückes
CN109513793B (zh) * 2018-12-29 2023-05-23 西南铝业（集团）有限责任公司 一种槽型型材拉伸工艺及拉伸矫直设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3580044A (en) * 1969-03-24 1971-05-25 Edwin A De Voss Tube bending mandrel
JPS60206535A (ja) * 1984-03-31 1985-10-18 Hashimoto Forming Co Ltd モ−ルデイング類の曲げ加工装置
US5327765A (en) * 1993-04-05 1994-07-12 Aluminum Company Of America Internal articulated mandrel for the stretch forming of elongated hollow metal sections
US5351517A (en) * 1991-12-10 1994-10-04 Spaeth Walter Method of, and a machine for, stretching and bending a profiled length of material
US5502997A (en) * 1994-12-19 1996-04-02 Carrier Corporation Gripper and mandrel assembly for tube bender
EP0826440A1 (fr) * 1996-08-30 1998-03-04 Gec Alsthom Acb Equipement pour le formage de profilés métalliques

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3580044A (en) * 1969-03-24 1971-05-25 Edwin A De Voss Tube bending mandrel
JPS60206535A (ja) * 1984-03-31 1985-10-18 Hashimoto Forming Co Ltd モ−ルデイング類の曲げ加工装置
US5351517A (en) * 1991-12-10 1994-10-04 Spaeth Walter Method of, and a machine for, stretching and bending a profiled length of material
US5327765A (en) * 1993-04-05 1994-07-12 Aluminum Company Of America Internal articulated mandrel for the stretch forming of elongated hollow metal sections
US5502997A (en) * 1994-12-19 1996-04-02 Carrier Corporation Gripper and mandrel assembly for tube bender
EP0826440A1 (fr) * 1996-08-30 1998-03-04 Gec Alsthom Acb Equipement pour le formage de profilés métalliques

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 010, no. 059 (M - 459) 8 March 1986 (1986-03-08) *

Also Published As

Publication number Publication date
JPH10263712A (ja) 1998-10-06
EP0856367A2 (fr) 1998-08-05

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