DE69906093T2 - Verfahren zum hydroformen von rohrförmigen bauteilen - Google Patents

Verfahren zum hydroformen von rohrförmigen bauteilen

Info

Publication number
DE69906093T2
DE69906093T2 DE69906093T DE69906093T DE69906093T2 DE 69906093 T2 DE69906093 T2 DE 69906093T2 DE 69906093 T DE69906093 T DE 69906093T DE 69906093 T DE69906093 T DE 69906093T DE 69906093 T2 DE69906093 T2 DE 69906093T2
Authority
DE
Germany
Prior art keywords
lengths
tubular member
tubular components
tube
tubular members
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 - Fee Related
Application number
DE69906093T
Other languages
English (en)
Other versions
DE69906093D1 (de
Inventor
R Lotspaih
R Birtch
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.)
RJ Tower Corp
Original Assignee
RJ Tower Corp
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 RJ Tower Corp filed Critical RJ Tower Corp
Application granted granted Critical
Publication of DE69906093D1 publication Critical patent/DE69906093D1/de
Publication of DE69906093T2 publication Critical patent/DE69906093T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/033—Deforming tubular bodies
    • 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
    • B21C37/0803—Making tubes with welded or soldered seams the tubes having a special shape, e.g. polygonal tubes
    • 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
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/16—Making tubes with varying diameter in longitudinal direction
    • 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
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/16—Making tubes with varying diameter in longitudinal direction
    • B21C37/18—Making tubes with varying diameter in longitudinal direction conical tubes
    • B21C37/185—Making tubes with varying diameter in longitudinal direction conical tubes starting from sheet 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
    • B21D51/00—Making hollow objects
    • B21D51/02—Making hollow objects characterised by the structure of the objects
    • B21D51/10—Making hollow objects characterised by the structure of the objects conically or cylindrically shaped objects

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Body Structure For Vehicles (AREA)
DE69906093T 1998-08-25 1999-08-19 Verfahren zum hydroformen von rohrförmigen bauteilen Expired - Fee Related DE69906093T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/139,821 US6216509B1 (en) 1998-08-25 1998-08-25 Hydroformed tubular member and method of hydroforming tubular members
PCT/US1999/018890 WO2000010748A1 (en) 1998-08-25 1999-08-19 Method of hydroforming tubular members

Publications (2)

Publication Number Publication Date
DE69906093D1 DE69906093D1 (de) 2003-04-24
DE69906093T2 true DE69906093T2 (de) 2003-09-11

Family

ID=22488449

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69906093T Expired - Fee Related DE69906093T2 (de) 1998-08-25 1999-08-19 Verfahren zum hydroformen von rohrförmigen bauteilen

Country Status (10)

Country Link
US (1) US6216509B1 (de)
EP (1) EP1109636B1 (de)
JP (1) JP2002523239A (de)
KR (1) KR20010072873A (de)
AT (1) ATE234695T1 (de)
BR (1) BR9913151A (de)
CA (1) CA2339840A1 (de)
DE (1) DE69906093T2 (de)
MX (1) MXPA01002003A (de)
WO (1) WO2000010748A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10337383A1 (de) * 2003-08-13 2005-03-10 Thyssenkrupp Drauz Gmbh Verfahren zum Innenhochdruckumformen von konischen Rohren aus Metall
DE102004007757A1 (de) * 2004-02-18 2005-09-08 Saurer Gmbh & Co. Kg Antriebswalze für eine Kreuzspulen herstellende Textilmaschine
DE102008057755A1 (de) * 2008-11-17 2010-05-20 Krohne Ag Magnetisch-induktives Durchflußmeßgerät
US7896065B2 (en) 2003-10-02 2011-03-01 Behr Gmbh & Co. Kg Charge-air cooler for motor vehicles

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19832142C2 (de) * 1998-07-17 2000-07-20 Daimler Chrysler Ag Verfahren und Vorrichtung zur Herstellung eines Hohlkörpers aus zwei Platinen
WO2001098623A1 (en) * 1998-11-16 2001-12-27 Shell Oil Company Radial expansion of tubular members
US6609301B1 (en) 1999-09-08 2003-08-26 Magna International Inc. Reinforced hydroformed members and methods of making the same
US20050123639A1 (en) * 1999-10-12 2005-06-09 Enventure Global Technology L.L.C. Lubricant coating for expandable tubular members
US6668457B1 (en) * 1999-12-10 2003-12-30 L&L Products, Inc. Heat-activated structural foam reinforced hydroform
WO2001060544A2 (en) * 2000-02-18 2001-08-23 Cosma International Inc. Tubular assembly having hydroformed interconnecting member and method for making same
DE10016025B4 (de) * 2000-03-31 2005-06-16 Hde Solutions Gmbh Verfahren zur Herstellung von Hohlkörpern
NL1014823C2 (nl) * 2000-04-03 2001-10-04 Corus Staal Bv Werkwijze voor het vervaardigen van een buisvormig onderdeel.
DE10045938C1 (de) * 2000-09-16 2001-10-31 Daimler Chrysler Ag Verfahren zur Herstellung eines umfänglich geschlossenen Hohlprofiles
US7100685B2 (en) * 2000-10-02 2006-09-05 Enventure Global Technology Mono-diameter wellbore casing
JP2002210529A (ja) * 2001-01-12 2002-07-30 Mitsubishi Heavy Ind Ltd チタン合金製円筒形状部品の熱間成形方法
JP2003002275A (ja) * 2001-06-20 2003-01-08 Yamaha Motor Co Ltd 車両用リヤアーム及びアーム部製造方法
DE10134439C2 (de) * 2001-07-19 2003-11-27 Webasto Vehicle Sys Int Gmbh Schwenkbares Gestänge für ein öffnungsfähiges Fahrzeugdach sowie Verfahren zum Herstellen desselben
US20050028572A1 (en) * 2001-07-25 2005-02-10 Manfred Blaich Method for the production of a metal tube, in particular a gas distributor tube for vehicle airbags
AU2002319813A1 (en) * 2001-09-07 2003-03-24 Enventure Global Technology Adjustable expansion cone assembly
CN1596160A (zh) * 2001-10-17 2005-03-16 科鲁斯斯塔尔有限公司 生产装加压流体的容器所用方法以及此种类型的容器
NL1019185C2 (nl) * 2001-10-17 2003-04-18 Corus Staal Bv Werkwijze voor het vervaardigen van een houder en houder voor het opnemen van een vloeistof en/of gas.
US6742258B2 (en) 2001-11-30 2004-06-01 3M Innovative Properties Company Method of hydroforming articles and the articles formed thereby
KR100558784B1 (ko) * 2001-12-24 2006-03-10 주식회사 포스코 튜브 하이드로포밍성 측정방법
US6695711B2 (en) * 2002-01-28 2004-02-24 Royal Precision, Inc. Hydroformed metallic golf club shafts and method therefore
CA2478868A1 (en) * 2002-03-13 2003-09-25 Enventure Global Technology Collapsible expansion cone
EP1509414B1 (de) * 2002-05-31 2008-02-06 Magna International Inc Innenhochdruckgeformter steuerarm
AU2003261451A1 (en) * 2002-08-30 2004-03-19 Enventure Global Technology Method of manufacturing an insulated pipeline
CA2499071C (en) * 2002-09-20 2014-06-03 Enventure Global Technology Self-lubricating expansion mandrel for expandable tubular
US6984179B2 (en) 2002-10-28 2006-01-10 Royal Precision, Inc. Golf club shafts having variable taper lengths
US7827839B2 (en) * 2002-11-08 2010-11-09 Sumitomo Metal Industries, Ltd. Profile element pipe for hydraulic bulging, hydraulic bulging device using the element pipe, hydraulic bulging method using the element pipe, and hydraulically bulged product
TWI267410B (en) * 2002-11-08 2006-12-01 Mitsubishi Motors Corp Deformed element pipe for hydraulic bulging, hydraulic bulging device using the element pipe, hydraulic bulging method using the element pipe, and hydraulic-bulged product
US20040250404A1 (en) * 2003-01-14 2004-12-16 Cripsey Timothy J. Process for press forming metal tubes
US20040138000A1 (en) * 2003-01-15 2004-07-15 Braly W. Kim Lightweight, durable golf club shafts
MXPA04000445A (es) * 2003-01-16 2004-11-12 Dana Corp Nodo de aluminio fundido para conectar miembros de bastidor de vehiculos y metodo para su fabricacion.
CA2417248A1 (en) * 2003-01-17 2004-07-17 Robert Walther Method of manufacturing a fuel filler tube
US7886831B2 (en) 2003-01-22 2011-02-15 Enventure Global Technology, L.L.C. Apparatus for radially expanding and plastically deforming a tubular member
GB2433281B (en) * 2003-01-27 2007-08-01 Enventure Global Technology Lubrication system for radially expanding tubular members
US20060096099A1 (en) * 2003-05-08 2006-05-11 Noble Metal Processing, Inc. Automotive crush tip and method of manufacturing
US20050166387A1 (en) * 2003-06-13 2005-08-04 Cook Robert L. Method and apparatus for forming a mono-diameter wellbore casing
US7712522B2 (en) 2003-09-05 2010-05-11 Enventure Global Technology, Llc Expansion cone and system
WO2005070582A1 (ja) * 2004-01-21 2005-08-04 Sumitomo Metal Industries, Ltd. 液圧バルジ加工用異形素管、並びにこれを用いる液圧バルジ加工装置、液圧バルジ加工方法、および液圧バルジ加工品
CA2503477C (en) * 2004-04-02 2012-01-31 Magna International Inc. Frame for a motor vehicle
US7819185B2 (en) 2004-08-13 2010-10-26 Enventure Global Technology, Llc Expandable tubular
ES2244355B1 (es) * 2005-03-22 2007-02-16 Cie Automotive, S.A. Tubo de airbag con cabeza de carga conformada en frio y procedimiento para su obtencion.
DE102005031069A1 (de) * 2005-06-24 2007-01-11 E.G.O. Elektro-Gerätebau GmbH Elektromechanische Temperaturerfassung für ein Kochgerät und Verfahren zur Herstellung einer elektromechanischen Temperaturerfassung für ein Kochgerät
JP2007075844A (ja) * 2005-09-13 2007-03-29 Sumitomo Metal Ind Ltd 液圧バルジ加工製品およびその液圧バルジ成形方法
US7484298B2 (en) 2006-02-21 2009-02-03 Gm Global Technology Operations, Inc. Method for forming a complex-shaped tubular structure
EP2110189A1 (de) 2008-04-18 2009-10-21 ETH Zürich Verfahren zur werkzeuglosen Umformung von Blech
DE102009007901B4 (de) * 2009-02-06 2012-11-22 Benteler Automobiltechnik Gmbh Verfahren zur Herstellung eines Kraftfahrzeugbauteils und Kraftfahrzeugbauteil
CH700617A1 (de) 2009-03-30 2010-09-30 Ludger Hovestadt C O Inst Fuer Halbfabrikat zur Herstellung einer Leitplanken-Vorrichtung und Leitplanken-Vorrichtung mit einem solchen Halbfabrikat .
DE102009039081B4 (de) * 2009-08-27 2020-03-05 Daimler Ag Verfahren zum Herstellen eines Verbundbauteils
KR101310240B1 (ko) * 2011-03-10 2013-09-23 주식회사 알란텀 고표면적을 가지는 다공성 금속폼 콘 어셈블리의 제조방법
WO2012159856A1 (en) 2011-05-03 2012-11-29 Jakob Przybylo Architekt Method for manufacturing inner pressure deformed sheet metal structures
DE102011051728A1 (de) * 2011-07-11 2013-01-17 Thyssenkrupp Lasertechnik Gmbh Verfahren und Vorrichtung zum Herstellen von maßgeschneiderten Blechbändern
DE102013109880B4 (de) 2012-09-10 2016-11-03 National Research Council Of Canada Reibungsarmer Endennachschub beim Innenhochdruckumformen
US10060566B2 (en) 2013-02-11 2018-08-28 Tetra Laval Holdings & Finance S.A. Pulsation damper suitable for hygienic processing lines
WO2014122283A1 (en) * 2013-02-11 2014-08-14 Tetra Laval Holdings & Finance S.A. A pulsation damper suitable for hygienic processing lines
CN111389951B (zh) * 2020-03-26 2020-12-25 燕山大学 一种管材滚胀成形液压机
CN114653806B (zh) * 2022-03-01 2023-12-22 哈尔滨工业大学（威海） 一种用于高强钢变径管状件的预成型方法

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2849877A (en) * 1955-10-14 1958-09-02 Goodyear Tire & Rubber Apparatus for fatigue testing of elastomers
US3238610A (en) 1964-04-13 1966-03-08 Bendix Corp Method of preparing and fluid pressure forming welded blanks
US3486703A (en) * 1966-10-03 1969-12-30 Whirlpool Co Food waste grinder hopper
US3572073A (en) * 1969-03-10 1971-03-23 Walter B Dean Method of shaping a thin-walled body
JPS6137327A (ja) * 1984-07-30 1986-02-22 Hitachi Ltd テ−パ管の製作方法
US4567743A (en) 1985-03-19 1986-02-04 Standard Tube Canada Inc. Method of forming box-section frame members
SU1269893A1 (ru) * 1985-06-05 1986-11-15 Московский авиационный технологический институт им.К.Э.Циолковского Устройство дл раздачи полых заготовок
US4829803A (en) 1987-05-06 1989-05-16 Ti Corporate Services Limited Method of forming box-like frame members
USRE33990E (en) 1987-05-06 1992-07-14 Ti Corporate Services Limited Method of forming box-like frame members
US4840053A (en) * 1987-07-29 1989-06-20 Mitsui & Co., Ltd. Method for manufacturing a pipe with projections
US4759111A (en) 1987-08-27 1988-07-26 Ti Automotive Division Of Ti Canada Inc. Method of forming reinforced box-selection frame members
US5016805A (en) 1988-10-31 1991-05-21 Rohr Industries, Inc. Method and apparatus for dual superplastic forming of metal sheets
US5481892A (en) 1989-08-24 1996-01-09 Roper; Ralph E. Apparatus and method for forming a tubular member
US5070717A (en) 1991-01-22 1991-12-10 General Motors Corporation Method of forming a tubular member with flange
US5333775A (en) 1993-04-16 1994-08-02 General Motors Corporation Hydroforming of compound tubes
US5363544A (en) * 1993-05-20 1994-11-15 Benteler Industries, Inc. Multi-stage dual wall hydroforming
DE4339290C2 (de) * 1993-11-18 1995-11-02 Daimler Benz Ag Verfahren zum Herstellen von Rohr-T-Stücken aus einem unverzweigt durchgehenden Ausgangsrohrstück durch Innenhochdruck-Umformung sowie Vorrichtung zur Durchführung des Verfahrens
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
US5666727A (en) 1995-02-17 1997-09-16 General Motors Corporation Method of manufacturing a passenger compartment from a cylindrical tube
US5715718A (en) 1996-02-27 1998-02-10 Benteler Automotive Corporation Hydroforming offset tube
ES2176770T3 (es) * 1996-12-03 2002-12-01 Elpatronic Ag Procedimiento para la fabricacion de una pieza moldeada.
DE19831047C2 (de) * 1997-07-14 2000-04-06 Benteler Werke Ag Verfahren zur Herstellung von rohrartigen Strukturelementen und Strukturelement
US5927120A (en) 1997-07-30 1999-07-27 Dana Corporation Apparatus for performing a hydroforming operation
UY25199A1 (es) * 1997-10-07 1999-04-07 Cosma Int Inc Metodo y aparato para hidroformacion sin arrugas de componentes tubulares oblicuos

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10337383A1 (de) * 2003-08-13 2005-03-10 Thyssenkrupp Drauz Gmbh Verfahren zum Innenhochdruckumformen von konischen Rohren aus Metall
DE10337383B4 (de) * 2003-08-13 2005-12-08 Thyssenkrupp Drauz Gmbh Verfahren zum Innenhochdruckumformen von konischen Rohren aus Metall
US7797806B2 (en) 2003-08-13 2010-09-21 Thyssenkrupp Steel Europe Ag Internal high-pressure shaping method for shaping conical tubes made of metal
US7896065B2 (en) 2003-10-02 2011-03-01 Behr Gmbh & Co. Kg Charge-air cooler for motor vehicles
DE102004007757A1 (de) * 2004-02-18 2005-09-08 Saurer Gmbh & Co. Kg Antriebswalze für eine Kreuzspulen herstellende Textilmaschine
DE102008057755A1 (de) * 2008-11-17 2010-05-20 Krohne Ag Magnetisch-induktives Durchflußmeßgerät
DE102008057755B4 (de) * 2008-11-17 2015-12-17 Krohne Ag Magnetisch-induktives Durchflußmeßgerät

Also Published As

Publication number Publication date
WO2000010748A1 (en) 2000-03-02
KR20010072873A (ko) 2001-07-31
EP1109636B1 (de) 2003-03-19
US6216509B1 (en) 2001-04-17
JP2002523239A (ja) 2002-07-30
CA2339840A1 (en) 2000-03-02
ATE234695T1 (de) 2003-04-15
BR9913151A (pt) 2001-05-15
MXPA01002003A (es) 2002-04-24
EP1109636A1 (de) 2001-06-27
DE69906093D1 (de) 2003-04-24

Similar Documents

Publication Publication Date Title
DE69906093D1 (de) Verfahren zum hydroformen von rohrförmigen bauteilen
DE69008150D1 (de) Verfahren zur Herstellung von hohlen, einteiligen, metallischen Werkstücken.
ATE421391T1 (de) Verfahren und vorrichtung zur herstellung eines längsnahtgeschweissten hohlprofils
DE69716755D1 (de) Verfahren und vorrichtung zum hydroformen von rohren
ATE331575T1 (de) Führungslenker und verfahren zu dessen herstellung
ATE301513T1 (de) Verfahren und vorrichtung zur herstellung von pressfittings aus stahl, insbesondere edelstahl
ATE300371T1 (de) Verfahren zum drück-kolben-formen von metalbehältern und dergleichen
JP2005297064A (ja) 長手方向において変化している横断面をもつ成形体を製造する方法
ATE306337T1 (de) Vorrichtung und verfahren zum hydroformen eines rohrförmigen teils
ATE380608T1 (de) Metallrohr und verfahren zu seiner herstellung
DE60016241D1 (de) Verstärkter durch innenhochdruck geformter gegenstand und verfahren zur herstellung
MXPA03009049A (es) Metodo para fabricar componentes estructurales a partir de preformas de tubo de espesor de pared variable.
ATE251511T1 (de) Verfahren und druckwalzvorrichtung zum herstellen eines hohlkörpers
DE59803553D1 (de) Drückwalzvorrichtung und verfahren zur herstellung von hohlrädern mit zwei innenverzahnungen
DE50003146D1 (de) Verfahren zum umformen eines ausgangsprofils od.dgl. werkstückes
DE59405022D1 (de) Verfahren und Vorrichtung zur Herstellung von Pressfittings
DE60209719D1 (de) Verfahren zur herstellung eines garnspulenhalterrohrs, vorrichtung zur herstellung desselben, so erhaltenes garnspulenhalterrohr und verwendungsverfahren für das spulenhalterrohr
ATE322948T1 (de) Verfahren und vorrichtung zur herstellung eines werkstückes mit innenverzahnung, insbesondere eines hohlrades
DE3165914D1 (en) Process for manufacturing workpieces by hydraulic-pressure shaping, and apparatus for carrying out this process
US7140226B2 (en) Methods for making a bicycle frame part having a disproportionally enlarged end section
ATE257413T1 (de) Verfahren zur herstellung eines dünwandigen metallrohrstücks
US7431317B2 (en) Bicycle frame part having a disproportionally enlarged end section and process for making the same
DE60326466D1 (de) Verfahren zur herstellung einer metallschale und zum dienen als rohling ausgeführter becher
ATE290933T1 (de) Produkt und verfahren zum herstellen eines rohrförmigen produkts durch innendruckumformen eines rohrförmigen rohlings
ATE262385T1 (de) Verfahren zum herstellen eines formbauteils

Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee