DE69403544D1 - Verfahren zum Formen eines rohrförmigen Konstruktionsteils - Google Patents

Verfahren zum Formen eines rohrförmigen Konstruktionsteils

Info

Publication number
DE69403544D1
DE69403544D1 DE69403544T DE69403544T DE69403544D1 DE 69403544 D1 DE69403544 D1 DE 69403544D1 DE 69403544 T DE69403544 T DE 69403544T DE 69403544 T DE69403544 T DE 69403544T DE 69403544 D1 DE69403544 D1 DE 69403544D1
Authority
DE
Germany
Prior art keywords
forming
structural part
tubular structural
tubular
structural
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
DE69403544T
Other languages
English (en)
Other versions
DE69403544T2 (de
Inventor
Charles J Bruggemann
Sanjay Mahasukhlal Shah
Michael Gerard Poss
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.)
General Motors Co
Original Assignee
Motors Liquidation Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21961171&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69403544(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Motors Liquidation Co filed Critical Motors Liquidation Co
Application granted granted Critical
Publication of DE69403544D1 publication Critical patent/DE69403544D1/de
Publication of DE69403544T2 publication Critical patent/DE69403544T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D26/00Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02Shaping 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
    • B21D26/033Deforming tubular bodies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture 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
    • B21C37/065Manufacture 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 starting from a specific blank, e.g. tailored blank
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/005Processes combined with methods covered by groups B21D1/00 - B21D31/00 characterized by the material of the blank or the workpiece
    • B21D35/006Blanks having varying thickness, e.g. tailored blanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21KMAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00Making machine elements
    • B21K1/06Making machine elements axles or shafts
    • B21K1/12Making machine elements axles or shafts of specially-shaped cross-section
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/012Hollow or tubular elements
DE69403544T 1993-04-16 1994-03-24 Verfahren zum Formen eines rohrförmigen Konstruktionsteils Expired - Lifetime DE69403544T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/049,693 US5333775A (en) 1993-04-16 1993-04-16 Hydroforming of compound tubes

Publications (2)

Publication Number Publication Date
DE69403544D1 true DE69403544D1 (de) 1997-07-10
DE69403544T2 DE69403544T2 (de) 1997-09-18

Family

ID=21961171

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69403544T Expired - Lifetime DE69403544T2 (de) 1993-04-16 1994-03-24 Verfahren zum Formen eines rohrförmigen Konstruktionsteils

Country Status (3)

Country Link
US (1) US5333775A (de)
EP (1) EP0620056B1 (de)
DE (1) DE69403544T2 (de)

Families Citing this family (103)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5353618A (en) 1989-08-24 1994-10-11 Armco Steel Company, L.P. Apparatus and method for forming a tubular frame member
US5431326A (en) * 1994-09-07 1995-07-11 General Motors Corporation Method of forming a tubular member with separate flange
US5561902A (en) * 1994-09-28 1996-10-08 Cosma International Inc. Method of manufacturing a ladder frame assembly for a motor vehicle
US5491883A (en) * 1994-12-19 1996-02-20 Ap Parts Manufacturing Co. Method of manufacturing a non-linear composite tube
US5862877A (en) * 1994-12-20 1999-01-26 Cosma International Inc. Cradle assembly
US5666727A (en) * 1995-02-17 1997-09-16 General Motors Corporation Method of manufacturing a passenger compartment from a cylindrical tube
US5813266A (en) * 1995-10-31 1998-09-29 Greenville Tool & Die Company Method of forming and piercing a tube
US5557961A (en) * 1995-11-13 1996-09-24 General Motors Corporation Hydroformed structural member with varied wall thickness
DE19604357B4 (de) * 1996-02-07 2004-06-24 Benteler Ag Verfahren zur Herstellung von Rohren mit Abschnitten unterschiedlicher Wanddicke
US5715718A (en) * 1996-02-27 1998-02-10 Benteler Automotive Corporation Hydroforming offset tube
CH691290A5 (de) * 1996-08-15 2001-06-29 Elpatronic Ag Verfahren zur Bildung eines Vorformlings für die Innenhochdruckverformung.
US5720092A (en) * 1996-08-21 1998-02-24 General Motors Corporation Method for hydroforming a vehicle space frame
FR2753935B1 (fr) * 1996-10-02 1998-12-04 Faure Bertrand Equipements Sa Procede pour realiser un siege de vehicule, et siege realise selon ce procede
DE19708905C2 (de) * 1997-03-05 2002-06-27 Daimler Chrysler Ag Verfahren zum Herstellen von Karosserieträgern
US5749135A (en) * 1997-03-19 1998-05-12 General Motors Corporation Method for extruding integral seat back frame
DE19713074C2 (de) * 1997-03-27 2001-06-21 Kendrion Rsl Germany Gmbh Verfahren zur Herstellung des Stützkörpers für eine Kopfstütze eines Kraftfahrzeugsitzes
US5992197A (en) * 1997-03-28 1999-11-30 The Budd Company Forming technique using discrete heating zones
US6502822B1 (en) 1997-05-15 2003-01-07 Aquaform, Inc. Apparatus and method for creating a seal on an inner wall of a tube for hydroforming
US6006567A (en) * 1997-05-15 1999-12-28 Aquaform Inc Apparatus and method for hydroforming
US6513242B1 (en) 1997-08-15 2003-02-04 Dana Corporation Method of manufacturing a vehicle body and frame assembly including hydroformed side rails
GB9721465D0 (en) 1997-10-10 1997-12-10 Gkn Sankey Ltd A process for producing a tubular structural element
US6689982B2 (en) 1997-10-16 2004-02-10 Magna International, Inc. Apparatus and method for welding aluminum tubes
US6713707B2 (en) 1997-10-16 2004-03-30 Magna International, Inc. Welding material and method without carrier
US6302478B1 (en) * 1997-10-16 2001-10-16 Cosma International Inc. Hydroformed space frame joints therefor
US6623067B2 (en) 1997-10-16 2003-09-23 Magna International Inc. Door seal interface structure for a motor vehicle space frame
US6621037B2 (en) 1997-10-16 2003-09-16 Magna International Inc. Welding material with conductive sheet and method
US6092865A (en) 1997-10-16 2000-07-25 Cosma International Inc. Hydroformed space frame and method of manufacturing the same
US6346684B1 (en) * 1997-10-16 2002-02-12 Cosma International Inc. Welding material assembly and method
US6533348B1 (en) 1997-10-16 2003-03-18 Cosma International Inc. Modular space frame
GB2332163B (en) * 1997-12-13 2002-03-13 Gkn Sankey Ltd A hydroforming process
US6270126B1 (en) * 1998-01-08 2001-08-07 Formrite Companies, Inc. Hydroformed hose fittings and related hose assemblies
US6434990B1 (en) * 1999-01-08 2002-08-20 Formrite Companies, Inc. Hose fitting and die for preparation
DE19802685A1 (de) * 1998-01-24 1999-07-29 Benteler Werke Ag Verfahren zur Herstellung eines länglichen Hohlkörpers und dessen Anwendung
US6015182A (en) * 1998-02-27 2000-01-18 Porsche Engineering Services Vehicle door structures incorporating hydroformed elements and processes for assembling such elements
US6006568A (en) * 1998-03-20 1999-12-28 The Budd Company Multi-piece hydroforming tool
US6098437A (en) * 1998-03-20 2000-08-08 The Budd Company Hydroformed control arm
DE19813012C2 (de) * 1998-03-25 2002-08-01 Daimler Chrysler Ag Verfahren zum Herstellen eines Hohlkörpers aus einem rohrförmigen Rohling durch Innenhochdruckformung
US6216509B1 (en) 1998-08-25 2001-04-17 R.J. Tower Corporation Hydroformed tubular member and method of hydroforming tubular members
DE19851327A1 (de) 1998-11-06 2000-05-11 Alusuisse Lonza Services Ag Hohlprofil od. dgl. Werkstück zum Umformen durch Innenhochdruck, Verfahren zum Herstellen eines Profils aus Leichtmetall und Vorrichtung dafür
JP2000301251A (ja) * 1998-12-31 2000-10-31 Dana Corp 前車軸ビームのハイドロフォーム法による製造方法
US6032501A (en) * 1999-02-09 2000-03-07 The Budd Company Method of hydroforming multi-lateral members from round tubes
US6138358A (en) * 1999-02-18 2000-10-31 Dana Corporation Method of manufacturing a vehicle body and frame assembly
US6519855B1 (en) 1999-08-31 2003-02-18 Dana Corporation Method of manufacturing a vehicle body and frame assembly
US6412818B1 (en) 1999-08-31 2002-07-02 Dana Corporation Vehicle body and frame assembly and method of manufacturing same
US6609301B1 (en) 1999-09-08 2003-08-26 Magna International Inc. Reinforced hydroformed members and methods of making the same
US6209372B1 (en) 1999-09-20 2001-04-03 The Budd Company Internal hydroformed reinforcements
DE19962958C2 (de) * 1999-12-24 2001-12-13 Salzgitter Ag Verfahren zum Herstellen eines Formbauteils aus mindestens zwei Metallrohren und danach herstellbares Formbauteil
CA2400227C (en) 2000-02-18 2009-06-30 Cosma International Inc. Tubular assembly having hydroformed interconnecting member and method for making same
US6662611B2 (en) 2000-02-22 2003-12-16 Magna International, Inc. Hydroforming flush system
US6566624B2 (en) * 2000-03-03 2003-05-20 Magna International Inc. Welding assembly with nestable conductive ends
CA2406454C (en) 2000-04-26 2009-08-11 Cosma International Inc. Hydroforming a tubular structure of varying diameter from a tubular blank using electromagnetic pulse welding
WO2001088384A1 (en) * 2000-05-12 2001-11-22 Ptc Alliance, Inc. Tube blanks for hydroforming
IT1320503B1 (it) * 2000-06-16 2003-12-10 Iveco Fiat Procedimento per la produzione di assali per veicoli industriali.
DE10044682C2 (de) * 2000-09-08 2002-08-29 Thyssenkrupp Stahl Ag Verfahren und Platine zur Herstellung eines kaltumgeformten Bauteils aus Stahlblech und Verwendung einer Platine
DE10045938C1 (de) * 2000-09-16 2001-10-31 Daimler Chrysler Ag Verfahren zur Herstellung eines umfänglich geschlossenen Hohlprofiles
US6679417B2 (en) * 2001-05-04 2004-01-20 Tower Automotive Technology Products, Inc. Tailored solutionizing of aluminum sheets
DE10047770A1 (de) * 2000-09-27 2002-04-11 Bayerische Motoren Werke Ag Rahmenstruktur, insbesondere Lehnenrahmen für einen Fahrzeugstuhl, umfassend wenigstens zwei Seitenholme und einen diese verbindenden oberen Querträger, jeweils aus Hohlprofilen
SE0003655D0 (sv) * 2000-10-10 2000-10-10 Avesta Sheffield Ab Förfarande och anordning för tillverkning av ett ien rörkonstruktion ingående rör samt ett rör tillverkat enligt förfarandet
US6654995B1 (en) * 2000-10-16 2003-12-02 General Motors Corporation Method for joining tubular members
DE10102896B4 (de) * 2001-01-23 2004-01-15 Benteler Automobiltechnik Gmbh Verfahren zur Herstellung eines Abgassammlers
CA2342702A1 (en) * 2001-04-04 2002-10-04 Copperweld Canada Inc. Forming method using tube blanks of variable wall thickness
US6681488B2 (en) * 2001-04-06 2004-01-27 Dana Corporation Method of manufacturing a vehicle body and frame assembly
US6912884B2 (en) * 2001-06-25 2005-07-05 Mohamed T. Gharib Hydroforming process and apparatus for the same
US6585331B2 (en) 2001-09-06 2003-07-01 Meritor Heavy Vehicle Technology, Llc Tubular axle beam
US7431317B2 (en) * 2002-08-05 2008-10-07 Giant Manufacturing Co., Ltd. Bicycle frame part having a disproportionally enlarged end section and process for making the same
JP3834276B2 (ja) * 2002-08-30 2006-10-18 伊田 忠一 中空パイプの冷間折曲加工法
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
US20060096099A1 (en) * 2003-05-08 2006-05-11 Noble Metal Processing, Inc. Automotive crush tip and method of manufacturing
US6922882B2 (en) * 2003-05-19 2005-08-02 General Motors Corporation Method of joining tubular members
US20050028341A1 (en) * 2003-07-01 2005-02-10 Durand Robert D. Method of manufacturing a combined driveshaft tube and yoke assembly
US20050045603A1 (en) * 2003-08-27 2005-03-03 Kiehl Mark W. Method of forming multi-metallic articles from multi-metallic sheets
US7204114B2 (en) * 2003-08-28 2007-04-17 General Motors Corporation Method of progressive hydro-forming of tubular members
JP4819305B2 (ja) * 2003-09-04 2011-11-24 日産自動車株式会社 強化部材の製造方法
DE10351139B3 (de) * 2003-11-03 2004-09-02 Daimlerchrysler Ag Verfahren zur Herstellung eines Doppelkammerhohlprofils
US7143618B2 (en) * 2004-01-22 2006-12-05 General Motors Corporation Method of making pre-formed tubular members
US7059033B2 (en) * 2004-01-30 2006-06-13 General Motors Corporation Method of forming thickened tubular members
US7386938B2 (en) * 2004-03-08 2008-06-17 General Motors Corporation Method of joining hydroformed tubular members
CA2503477C (en) * 2004-04-02 2012-01-31 Magna International Inc. Frame for a motor vehicle
US7614151B2 (en) * 2004-06-17 2009-11-10 Dana Automotive Systems Group, Inc. Method of securing a bracket to a frame assembly
DE102004035454B4 (de) * 2004-07-22 2015-02-26 Robert Bosch Gmbh Trägerelement
BRPI0503790B1 (pt) * 2004-09-08 2019-04-30 Dana Automotive Systems Group, Llc Método de fabricação de membro estriado
US7096700B2 (en) * 2004-09-28 2006-08-29 Dana Corporation Method for performing a hydroforming operation
US20060201227A1 (en) * 2004-10-01 2006-09-14 Copperweld Canada Inc. Vehicle structural components made from tubular members and method therefor
US7036872B1 (en) * 2004-10-08 2006-05-02 General Motors Corporation Vehicle midgate
CA2526117C (en) * 2004-10-28 2014-04-15 Copperweld Canada Inc. Tubular axle housing assembly with varying wall thickness
US7334312B2 (en) * 2005-02-23 2008-02-26 U.S. Manufacturing Corporation Method of forming axles with internally thickened wall sections
US7484298B2 (en) * 2006-02-21 2009-02-03 Gm Global Technology Operations, Inc. Method for forming a complex-shaped tubular structure
KR100851828B1 (ko) * 2006-11-08 2008-08-13 현대자동차주식회사 U자형 제품 제작을 위한 하이드로 포밍 장치
WO2008122107A1 (en) * 2007-04-06 2008-10-16 Magna International Inc. Stress reducing inner sleeve for twist beam and associated method
US20080301942A1 (en) * 2007-06-05 2008-12-11 Gm Global Technology Operations, Inc. Method for manufacture of complex heat treated tubular structure
US20090000708A1 (en) * 2007-06-29 2009-01-01 Gm Global Technology Operations, Inc. Method for manufacture of complex heat treated tubular structure
DE102007030942A1 (de) * 2007-07-03 2009-01-08 J. Eberspächer GmbH & Co. KG Gebautes Metallrohr
CN102355962B (zh) * 2009-03-19 2014-10-01 麦格纳国际公司 制造定制管的方法
KR101447344B1 (ko) * 2010-06-17 2014-10-06 신닛테츠스미킨 카부시키카이샤 구조 부재
JP6614638B2 (ja) * 2015-05-12 2019-12-04 株式会社タチエス シートフレーム
DE102016123265A1 (de) * 2016-12-01 2018-06-07 Linde + Wiemann SE & Co. KG Verfahren und Halbzeug zur Herstellung eines wenigstens partiell gehärteten Profilbauteils
CN105834273B (zh) * 2016-03-30 2017-12-05 成霖企业股份有限公司 一种管件液压成型方法
US11122741B2 (en) * 2018-01-30 2021-09-21 Cnh Industrial America Llc Stalk roller assembly for an agricultural system
MX2022010338A (es) * 2020-02-24 2022-11-14 Multimatic Inc Riel de vehículo soldado de múltiple grosor.
DE102021108812A1 (de) * 2020-04-10 2021-10-14 Steering Solutions Ip Holding Corporation Vieleckprisma-torsionsstab
FR3113615A1 (fr) * 2020-08-27 2022-03-04 Faurecia Systemes D'echappement Procédé de mise en forme d’une pièce tubulaire comportant une cavité

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA693999A (en) * 1964-09-08 Clark O. Stockdale, Jr. Hollow extrusion
DE1002423B (de) * 1955-10-08 1957-02-14 Licentia Gmbh Verfahren zur Herstellung flexibler Hohlleiter zur UEbertragung sehr hoher Frequenzen
US3725997A (en) * 1971-01-28 1973-04-10 Production Technology Inc Method for flash removal from heat and pressure welded articles
US3729124A (en) * 1971-04-05 1973-04-24 Allegheny Ludlum Ind Inc Apparatus for reducing the weld build-up on seam welded tubing
US3755884A (en) * 1971-11-19 1973-09-04 Olin Corp Process for scarfing weld beads
DE2632252A1 (de) * 1976-07-17 1978-01-19 Thyssen Industrie Vorrichtung zum herstellen von rohren o.dgl. durch verschweissen von einzelschuessen mittels des elektronenstrahlschweissverfahrens und mit dieser vorrichtung hergestelltes rohr
DE2738179A1 (de) * 1977-08-24 1979-03-01 Klein Kg Eugen Lenkungswelle und verfahren zu deren herstellung
AT387515B (de) * 1979-04-06 1989-02-10 Uk Nii Protezirovania Protezos Verfahren zur herstellung von aufnahmehuelsen fuer an stuempfen anzubringende prothesen und gaskannone hiefuer
US4559832A (en) * 1981-10-15 1985-12-24 Fisher Controls Company, Inc. Piezoelectric pressure frequency sensor
ATE73372T1 (de) * 1986-12-22 1992-03-15 Thyssen Stahl Ag Verfahren zum herstellen eines formkoerpers aus blechteilen unterschiedlicher dicke.
US4744237A (en) * 1987-05-06 1988-05-17 Ti Automotive Division Of Ti Canada Inc. Method of forming box-like frame members
US4759111A (en) * 1987-08-27 1988-07-26 Ti Automotive Division Of Ti Canada Inc. Method of forming reinforced box-selection frame members
US5105644A (en) * 1990-07-09 1992-04-21 Simon Joseph A Light weight drive shaft
US5070717A (en) * 1991-01-22 1991-12-10 General Motors Corporation Method of forming a tubular member with flange

Also Published As

Publication number Publication date
DE69403544T2 (de) 1997-09-18
EP0620056A1 (de) 1994-10-19
US5333775A (en) 1994-08-02
EP0620056B1 (de) 1997-06-04

Similar Documents

Publication Publication Date Title
DE69403544D1 (de) Verfahren zum Formen eines rohrförmigen Konstruktionsteils
DE69411853D1 (de) Verfahren zum Formen eines hydraulischen Dämpfers
DE69528690D1 (de) Verfahren zum Formen eines Kathetherendes
DE59406372D1 (de) Verfahren zum herstellen eines dredidimensionalen objekts
DE69310416D1 (de) Verfahren zum Formen eines hitzebeständigen Behälters
DE69525130T2 (de) Verfahren zum Verbessern der Auflösung eines Anzeigesystems
DE69133549D1 (de) Verfahren zum Herstellen eines Metallkontaktes
DE69628601D1 (de) Verfahren zum Formen eines wabenförmigen Kerns
DE69508526T2 (de) Verfahren zum Innenbeschichten eines Rohres
DE69417001T2 (de) Verfahren zum Formen eines metallischen Behalters
DE69403722T2 (de) Verfahren zum Formen eines rohrförmigen Elementes
DE69201360T2 (de) Verfahren zum Formen der Öffnung eines Dosenrumpfes.
DE69525596D1 (de) Verfahren zum Hestellen eines becherförmigen Teils
DE69005361D1 (de) Verfahren zum Formen eines faseroptischen Endstücks.
DE59601339D1 (de) Verfahren zum automatisierten Erstellen eines verfahrenstechnischen Schemas
DE69409900D1 (de) Verfahren zum Formen eines Diamantkörpers
DE69424999D1 (de) Verfahren zum herstellen eines glasfaserisolationsprodukts
DE69215050T2 (de) Verfahren zum Aktivieren eines Katalysators
DE69413246T2 (de) Verfahren zum dosieren eines waschmittelproduktes
DE69304432D1 (de) Verfahren zum Formen eines ringförmigen Elementes
DE69211524T2 (de) Verfahren zum Innenverkleiden eines Rohres
DE59408902D1 (de) Verfahren zum Herstellen eines rotationssymmetrischen Körpers
DE59003171D1 (de) Verfahren zum gegenläufigen biegen eines bleches.
DE69407496D1 (de) Verfahren zum Herstellen eines verzinkten Bleches
DE69411361D1 (de) Verfahren zum Herstellen eines Styrol-Polymers

Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8380 Miscellaneous part iii

Free format text: PFANDRECHT

8380 Miscellaneous part iii

Free format text: PFANDRECHT AUFGEHOBEN

8380 Miscellaneous part iii

Free format text: PFANDRECHT

8327 Change in the person/name/address of the patent owner

Owner name: GENERAL MOTORS COMPANY, DETROIT, MICH., US