ATE156396T1 - Mehrstufige hydroplastische verformung doppelwandiger rohre - Google Patents

Mehrstufige hydroplastische verformung doppelwandiger rohre

Info

Publication number
ATE156396T1
ATE156396T1 AT94303635T AT94303635T ATE156396T1 AT E156396 T1 ATE156396 T1 AT E156396T1 AT 94303635 T AT94303635 T AT 94303635T AT 94303635 T AT94303635 T AT 94303635T AT E156396 T1 ATE156396 T1 AT E156396T1
Authority
AT
Austria
Prior art keywords
tube
dimension
stag
double
outer tube
Prior art date
Application number
AT94303635T
Other languages
English (en)
Inventor
Gary L Wells
Donald R Rigsby
James R Dehlinger
Original Assignee
Benteler Ind Inc
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 Benteler Ind Inc filed Critical Benteler Ind Inc
Application granted granted Critical
Publication of ATE156396T1 publication Critical patent/ATE156396T1/de

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
    • B21D26/045—Closing or sealing means
    • 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
    • B21C37/154—Making multi-wall tubes
    • 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
    • B21D26/051—Deforming double-walled bodies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S29/00—Metal working
    • Y10S29/043—Upsetting and flanging tube end
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49805—Shaping by direct application of fluent pressure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49879—Spaced wall tube or receptacle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49909—Securing cup or tube between axially extending concentric annuli
    • Y10T29/49911—Securing cup or tube between axially extending concentric annuli by expanding inner annulus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49915—Overedge assembling of seated part
    • Y10T29/4992—Overedge assembling of seated part by flaring inserted cup or tube end
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49938—Radially expanding part in cavity, aperture, or hollow body
    • Y10T29/4994—Radially expanding internal tube
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5185—Tube making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5199—Work on tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Exhaust Silencers (AREA)
AT94303635T 1993-05-20 1994-05-20 Mehrstufige hydroplastische verformung doppelwandiger rohre ATE156396T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/065,126 US5363544A (en) 1993-05-20 1993-05-20 Multi-stage dual wall hydroforming

Publications (1)

Publication Number Publication Date
ATE156396T1 true ATE156396T1 (de) 1997-08-15

Family

ID=22060506

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94303635T ATE156396T1 (de) 1993-05-20 1994-05-20 Mehrstufige hydroplastische verformung doppelwandiger rohre

Country Status (6)

Country Link
US (2) US5363544A (de)
EP (1) EP0627272B1 (de)
JP (1) JP2997909B2 (de)
AT (1) ATE156396T1 (de)
DE (1) DE69404757T2 (de)
ES (1) ES2105523T3 (de)

Families Citing this family (65)

* 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
US5582052A (en) * 1993-05-20 1996-12-10 Benteler Industries, Inc. Controlled time-overlapped hydroforming
US5644829A (en) * 1993-08-16 1997-07-08 T I Corporate Services Limited Method for expansion forming of tubing
DE19513559C2 (de) * 1995-04-18 1997-09-25 Werdau Fahrzeugwerk Vorrichtung zum Herstellen von verformten mehrwandigen Rohren mit einem oder mehreren Hohlräumen zwischen den Wandungen
DE19511970C2 (de) * 1995-04-18 1998-07-09 Werdau Fahrzeugwerk Verfahren zum Herstellen von verformten mehrwandigen Rohren mit Hohlräumen zwischen den Wandungen
US5673470A (en) * 1995-08-31 1997-10-07 Benteler Automotive Corporation Extended jacket end, double expansion hydroforming
US5630334A (en) * 1995-10-31 1997-05-20 Greenville Tool & Die Company Liquid impact tool forming mold
US5813266A (en) * 1995-10-31 1998-09-29 Greenville Tool & Die Company Method of forming and piercing a tube
DE19546509A1 (de) * 1995-12-13 1997-06-19 Zeuna Staerker Kg Abgaskrümmer sowie Verfahren zu seiner Herstellung
DE19604367C2 (de) * 1996-02-07 2000-12-07 Benteler Werke Ag Abgasleitung
US5715718A (en) * 1996-02-27 1998-02-10 Benteler Automotive Corporation Hydroforming offset tube
US5992197A (en) * 1997-03-28 1999-11-30 The Budd Company Forming technique using discrete heating zones
DE19713411C2 (de) * 1997-04-01 2001-02-15 Benteler Werke Ag Verfahren zur Herstellung eines doppelwandigen Abgaskrümmers
DE19716865C1 (de) * 1997-04-22 1998-05-28 Porsche Ag Rahmenkonstruktion
US6016603A (en) * 1997-05-12 2000-01-25 Dana Corporation Method of hydroforming a vehicle frame component
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
DE19742443C2 (de) * 1997-09-26 1999-07-22 Daimler Chrysler Ag Vorrichtung zum Innenhochdruckumformen von Hohlprofilen
UY25199A1 (es) * 1997-10-07 1999-04-07 Cosma Int Inc Metodo y aparato para hidroformacion sin arrugas de componentes tubulares oblicuos
DE19752773C2 (de) * 1997-11-28 1999-09-02 Daimler Chrysler Ag Verfahren zur Herstellung eines luftspaltisolierten Abgaskrümmers einer Fahrzeugabgasanlage
DE19752772C2 (de) 1997-11-28 1999-09-02 Daimler Chrysler Ag Verfahren zur Herstellung eines mit einem Abzweigstutzen versehenen luftspaltisolierten Abgasrohres
US6098437A (en) * 1998-03-20 2000-08-08 The Budd Company Hydroformed control arm
US6006568A (en) * 1998-03-20 1999-12-28 The Budd Company Multi-piece hydroforming tool
SE514243C2 (sv) * 1998-06-09 2001-01-29 Flow Holdings Gmbh Sagl Llc Förfarande för att åstadkomma en högtryckspress samt högtryckspress
US6216509B1 (en) * 1998-08-25 2001-04-17 R.J. Tower Corporation Hydroformed tubular member and method of hydroforming tubular members
DE19857445B4 (de) * 1998-12-12 2009-05-20 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren zur Herstellung eines luftspaltisolierten Abgasrohres
US6279364B1 (en) 1999-02-16 2001-08-28 Gary E. Morphy Sealing method and press apparatus
US6510920B1 (en) 1999-08-31 2003-01-28 Dana Corporation Vehicle exhaust system and method of manufacture
US6209372B1 (en) 1999-09-20 2001-04-03 The Budd Company Internal hydroformed reinforcements
US6668457B1 (en) 1999-12-10 2003-12-30 L&L Products, Inc. Heat-activated structural foam reinforced hydroform
EP1170069A1 (de) * 2000-07-05 2002-01-09 Alcan Technology & Management AG Vorrichtung zum Umformen eines Hohlprofils mittels Innenhochdruck-Umformens
US8505258B2 (en) 2000-08-17 2013-08-13 Industrial Origami, Inc. Load-bearing three-dimensional structure
KR100789014B1 (ko) * 2000-10-19 2007-12-26 코스마 인터내셔널 인크. 관형 부품을 하이드로포밍하기 위한 장치 및 방법
JP3738828B2 (ja) * 2001-01-19 2006-01-25 トヨタ自動車株式会社 二重管構造中空部材、その製造方法、および二重管構造中空部材を使用した流体処理システム
JP4207570B2 (ja) * 2001-05-22 2009-01-14 三菱自動車工業株式会社 ハイドロフォーム成形方法
DE10157131C2 (de) * 2001-11-21 2003-11-13 Benteler Automobiltechnik Gmbh Abgasleitung und Verfahren zur Herstellung einer Abgasleitung
ES2281592T3 (es) * 2002-12-06 2007-10-01 Thyssenkrupp Automotive Ag Procedimiento y dispositivo para la conformacion de un perfil bajo alta presion interior.
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
US20050011573A1 (en) * 2003-07-14 2005-01-20 American Boa, Inc. Flexible liner air gap pipe
US7204114B2 (en) * 2003-08-28 2007-04-17 General Motors Corporation Method of progressive hydro-forming of tubular members
DE10347923B4 (de) * 2003-10-15 2005-07-28 Daimlerchrysler Ag Vorrichtung zum Umformen eines umfänglich geschlossenen Hohlprofils mittels fluidischen Innenhochdrucks
KR100616750B1 (ko) * 2004-02-24 2006-08-28 주식회사 성우하이텍 온간 액압 성형 장치
US20060108783A1 (en) * 2004-11-24 2006-05-25 Chi-Mou Ni Structural assembly for vehicles and method of making same
SE528938C2 (sv) * 2005-02-08 2007-03-20 Ortic Ab Hydroformningsenhet
CN101233286A (zh) 2005-03-17 2008-07-30 奥里加米工业股份有限公司 精确折叠、高强度、耐疲劳的结构以及其板材
CN100409966C (zh) * 2005-07-15 2008-08-13 财团法人金属工业研究发展中心 可微调式管件液压成形冲头机构
US7305763B2 (en) * 2005-07-26 2007-12-11 Board Of Trustees Of Michigan State University Hydroformed port liner
SE529552C2 (sv) * 2005-12-15 2007-09-11 Hydroforming Design Light Ab Förfarande för att tillverka ett rörformigt element, samt sådant rörformigt element
KR100668968B1 (ko) * 2005-12-22 2007-01-12 주식회사 포스코 하이드로포밍 이중관 제조를 위한 실링 장치
KR100785159B1 (ko) * 2006-03-23 2007-12-11 현대자동차주식회사 배기 매니폴드 및 하이드로 포밍을 이용한 배기 매니폴드제조방법
TW200833434A (en) * 2006-09-04 2008-08-16 Ind Origami Inc Apparatus for forming large-radii curved surfaces and small-radii creases in sheet material
WO2008052174A2 (en) 2006-10-26 2008-05-02 Industrial Origami, Inc. Forming three dimensional object
US7788960B2 (en) * 2006-10-27 2010-09-07 Cummins Filtration Ip, Inc. Multi-walled tube and method of manufacture
GB2449458B (en) * 2007-05-22 2009-04-29 Extex Ltd Liability Partnership Forming multi-walled components
DE102009007901B4 (de) * 2009-02-06 2012-11-22 Benteler Automobiltechnik Gmbh Verfahren zur Herstellung eines Kraftfahrzeugbauteils und Kraftfahrzeugbauteil
US8201289B2 (en) * 2009-06-30 2012-06-19 Kohler Co. Combined control for a basin overflow and a basin drain
KR100963423B1 (ko) * 2009-11-12 2010-06-15 현대하이스코 주식회사 하이드로 포밍을 이용한 워터 파이프 제조 방법
DE102011016170A1 (de) * 2011-04-05 2012-10-11 Faurecia Emissions Control Technologies, Germany Gmbh Abgas führende Vorrichtung und Verfahren zu ihrer Herstellung
CN102554009B (zh) * 2011-12-26 2014-11-05 北京航空航天大学 一种小半径弯头流体压力成形方法
US8936164B2 (en) 2012-07-06 2015-01-20 Industrial Origami, Inc. Solar panel rack
CN103691762A (zh) * 2013-12-24 2014-04-02 南京航空航天大学 复杂形状双层管制造方法及密封装置
CN104475552B (zh) * 2014-11-13 2016-06-22 锦州捷通铁路机械制造有限公司 铁路货车车轮轴承密封罩的加工方法
WO2016151370A1 (en) * 2015-03-20 2016-09-29 Valme S.R.L. - Unico Socio Pipe for conveying abrasive materials such as concrete, apparatus and method for producing said pipe
CN114029375B (zh) * 2021-11-09 2022-07-22 北京航空航天大学 一种多波型金属封严环两道次液压成形模具装置

Family Cites Families (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US464737A (en) * 1891-12-08 stapley
US385119A (en) * 1888-06-26 Henby w
US2734473A (en) * 1956-02-14 reynolds
DE229114C (de) *
GB276247A (en) * 1927-02-24 1927-08-25 Ernst Asberger Improved metal blowing process
US1764561A (en) * 1928-02-08 1930-06-17 Conn Ltd C G Method and the means for shaping tubes
US1751914A (en) * 1928-03-28 1930-03-25 Edgar E Greve Pump barrel
US2718048A (en) * 1949-01-25 1955-09-20 American Steel Foundries Method and means for deforming hollow members
US2652121A (en) * 1950-06-06 1953-09-15 United Aircraft Corp Hollow propeller blade with bulbed core
US2761525A (en) * 1950-07-26 1956-09-04 Walker Mfg Company Of Wisconsi Muffler
US2713314A (en) * 1952-03-24 1955-07-19 Schaible Company Apparatus for bulging hollow metal blanks to shape in a mold and control mechanism therefor
US2913870A (en) * 1955-01-19 1959-11-24 George E Lashley Exhaust system
US2837810A (en) * 1955-06-17 1958-06-10 Flexonics Corp Method of producing fittings
US3002269A (en) * 1959-01-09 1961-10-03 William C N Hopkins Method of forming ball and socket joints in metal tubular members
US3173196A (en) * 1959-11-02 1965-03-16 Fromson H A Method of producing a double-walled tube with one of the tubes having integral therewith projecting fin means radially separating the tubes
US3201861A (en) * 1960-03-31 1965-08-24 Fromson H A Method of making a double-walled tube
US3133612A (en) * 1960-07-06 1964-05-19 Chrysler Corp Sound deadening laminated engine exhaust pipe
US3222773A (en) * 1960-08-29 1965-12-14 Sylvania Electric Prod Process for assembling concentrically spaced nuclear fuel elements
US3206836A (en) * 1961-10-17 1965-09-21 Edward M Schlussler Method of manufacturing water cooled exhaust manifolds
US3209787A (en) * 1962-03-26 1965-10-05 Walker Mfg Co Exhaust system
US3242558A (en) * 1962-06-13 1966-03-29 Oldberg Mfg Company Method of making intermediate shell construction for silencer or muffler
US3196905A (en) * 1962-11-06 1965-07-27 Walker Mfg Co Exhaust system
US3301277A (en) * 1963-10-18 1967-01-31 Phillips Petroleum Co Plastic-lined conduit
US3443409A (en) * 1964-03-06 1969-05-13 Jury Georgievich Matsukin Method for hydrodynamic forming of bellows-type articles and a device for their realization
GB1043752A (en) * 1964-06-04 1966-09-28 Sutton Power Equipment Ltd Improvements in or relating to water-jacketed exhaust manifolds for internal combustion engines
US3404445A (en) * 1964-09-14 1968-10-08 Oldberg Mfg Company Method of forming a sound attenuating and gas passage tube construction
US3292731A (en) * 1965-04-12 1966-12-20 James L Ballard Exhaust muffler pipe assembly
AU412407B1 (en) * 1966-05-16 1971-04-20 Vulcan Australia Limited Insulated ducting
US4022019A (en) * 1970-11-20 1977-05-10 Alfa Romeo S.P.A. Exhaust conveying system for internal combustion engines
FR2127074A5 (de) * 1971-02-22 1972-10-13 Peugeot & Renault
US3786791A (en) * 1972-01-27 1974-01-22 Hoehn A Exhaust control method and apparatus
GB1441742A (en) * 1972-08-15 1976-07-07 Smiths Industries Ltd Tubing
DE2305377A1 (de) * 1973-02-03 1974-08-08 Volkswagenwerk Ag Abgassammelleitung
DE2337479A1 (de) * 1973-07-24 1975-02-06 Kloeckner Humboldt Deutz Ag Mehrteilige auspuffleitung fuer brennkraftmaschinen
US4027407A (en) * 1975-11-24 1977-06-07 Kiss Sandor G Jet flow alternator
US4285109A (en) * 1976-04-05 1981-08-25 D. Mueller Welding, Inc. Method of hydrodynamic forming
JPS5916085B2 (ja) * 1976-05-18 1984-04-13 トヨタ自動車株式会社 内燃機関用二重排気管の構造
US4185463A (en) * 1976-05-18 1980-01-29 Toyota Jibosha Kogyo Kabushiki Kaisha Exhaust double pipe of an internal combustion engine
SU719759A1 (ru) * 1977-10-03 1980-03-05 Днепропетровский Ордена Трудового Красного Знамени Металлургический Институт Установка дл раздачи полых заготовок внутренним давлением
US4207660A (en) * 1977-11-09 1980-06-17 Ford Motor Company Method of making low cost insertable type port liner
JPS54130464A (en) * 1978-03-31 1979-10-09 Toyota Motor Corp Manufacture of expansion type exhaust pipe
JPS5588939A (en) * 1978-12-27 1980-07-05 Nippon Benkan Kogyo Kk Joint connection method
CA1139923A (en) * 1979-02-28 1983-01-25 Toshio Yoshida Method of producing multiple-wall composite pipes
JPS5837050B2 (ja) * 1979-03-15 1983-08-13 川崎重工業株式会社 二重管製造装置
DE2944435A1 (de) * 1979-11-03 1981-05-14 Carl-Ludwig 5650 Solingen Pohler Kalibriermaschine fuer rohre
JPS5751081A (en) * 1980-09-09 1982-03-25 Nippon Steel Corp Composite dual steel pipe
EP0047525B1 (de) * 1980-09-09 1986-04-02 Nippon Steel Corporation Zusammengesetztes Doppelwandrohr
DE3171705D1 (en) * 1980-09-09 1985-09-12 Nippon Steel Corp Composite dual tubing
GB2091341A (en) * 1981-01-21 1982-07-28 Lindley Ltd H Cooling exhaust manifolds
JPS58112612A (ja) * 1981-12-25 1983-07-05 Kawasaki Steel Corp 二重管の製造方法
US4513598A (en) * 1982-01-27 1985-04-30 Costabile John J Method and apparatus for producing a bulge in thin metal material
US4619292A (en) * 1983-10-14 1986-10-28 Apx Group, Inc. Air gap pipe
JPS6046831A (ja) * 1984-07-10 1985-03-13 Sango:Kk 消音器における構成パイプの接合方法
US4567743A (en) * 1985-03-19 1986-02-04 Standard Tube Canada Inc. Method of forming box-section frame members
US4656713A (en) * 1985-10-24 1987-04-14 Ap Industries, Inc. Method for forming an air gap pipe
SU1404667A1 (ru) * 1986-05-29 1988-06-23 Предприятие П/Я В-2302 Охлаждаемый выпускной коллектор двигател внутреннего сгорани
US4656712A (en) * 1986-06-09 1987-04-14 Ap Industries, Inc. Method for manufacturing a heat shielded exhaust system component
US4711088A (en) * 1987-01-08 1987-12-08 Chrysler Motors Corporation Liquid cooled exhaust manifold
JPS63215809A (ja) * 1987-03-04 1988-09-08 Toyota Motor Corp パイプ鋳ぐるみ排気マニホルド
US4829803A (en) * 1987-05-06 1989-05-16 Ti Corporate Services Limited Method of forming box-like frame members
US4744237A (en) * 1987-05-06 1988-05-17 Ti Automotive Division Of Ti Canada Inc. Method of forming box-like frame members
DE3724904A1 (de) * 1987-07-28 1989-02-09 Emitec Emissionstechnologie Aufweitsonde mit aufspreizbaren dichtungen
US4759111A (en) * 1987-08-27 1988-07-26 Ti Automotive Division Of Ti Canada Inc. Method of forming reinforced box-selection frame members
US5100047A (en) * 1988-06-25 1992-03-31 Yukihiro Nakagawa Spacing ring for tubes in high temperature environment
JP2741221B2 (ja) * 1988-11-15 1998-04-15 臼井国際産業株式会社 二重管の製造方法
JPH02147132A (ja) * 1988-11-30 1990-06-06 Hitachi Ltd 管の接合方法
DE4017072A1 (de) * 1990-05-26 1991-11-28 Benteler Werke Ag Verfahren zum hydraulischen umformen eines rohrfoermigen hohlkoerpers und vorrichtung zur durchfuehrung des verfahrens
ZA9295B (en) * 1991-01-11 1992-10-28 Scambia Ind Dev Ag Process for the production of a double-walled pipe section and apparatus for carrying out such a process
US5170557A (en) * 1991-05-01 1992-12-15 Benteler Industries, Inc. Method of forming a double wall, air gap exhaust duct component

Also Published As

Publication number Publication date
DE69404757D1 (de) 1997-09-11
EP0627272B1 (de) 1997-08-06
JP2997909B2 (ja) 2000-01-11
US5475911A (en) 1995-12-19
JPH06328158A (ja) 1994-11-29
DE69404757T2 (de) 1998-01-02
EP0627272A3 (de) 1994-12-21
US5363544A (en) 1994-11-15
EP0627272A2 (de) 1994-12-07
ES2105523T3 (es) 1997-10-16

Similar Documents

Publication Publication Date Title
ATE156396T1 (de) Mehrstufige hydroplastische verformung doppelwandiger rohre
EP0643358A3 (de) Methode und Gerät zum Bildsuchen.
EP0711399A4 (de) Radiatorrohr, verfahren und vorrichtung zu dessen herstellung
DE69100440D1 (de) Flansch zum verbinden von ein- und austretenden rohren eines verdampfers.
DE69404128T2 (de) Abbildungsverfahren und -apparat
DE69535393D1 (de) Bilderzeugungsverfahren und -gerät
AU6624494A (en) Apparatus and method for the stretch forming of elongated hollow metal sections
SG47928A1 (en) Expanding mandrel expanding method and expanding apparatus using the expanding mandrel and heat exchanger with heat exchanging tubes expanded by the expanding method
DE69325676D1 (de) Bildherstellungsverfahren, Bildherstellungsapparat und durchscheinender Film
NO902883D0 (no) Fremgangsmaate og anordning for soeking etter en gjenstand.
AU3235393A (en) Apparatus and method for marking thin walled tubes
AU5610696A (en) Method of manufacturing flattened tubes for heat exchangers, apparatus and flattened tube
IL102958A0 (en) Tube conduit connection and method of producing the same from polyolefins
NO993807D0 (no) Fremgangsmåte og apparatur for fremstilling av hydrolepater av krill
NO963309D0 (no) Fremgangsmåte for lasersveising av stålrör og innretning for gjennomföring av fremgangsmåten
IT1279365B1 (it) Procedimento e dispositivo per la fabbricazione di tubi senza saldatura mediante fluotornitura
DE69430554D1 (de) Bildqualitätsabstimmungsverfahren und Bilderzeugungsgerät
DE69321852T2 (de) Bildverstärkerröhre
NO943275L (no) Oljebrönnrör og fremgangsmåte for fremstilling av dette
NO944042D0 (no) Fremgangsmåte og anordning for fremstilling av rustfritt stål
GB2253674B (en) Process and apparatus for repairing heat-exchanger tubes
EP0636466A3 (de) Verfahren und Vorrichtung zur Herstellung von Rippenrohren aus Kunststoff.
FR2741351B1 (fr) Film semi-rigide en poly-epsilon-caprolactone et procede pour le produire
NO941644D0 (no) Fremgangsmåte og anordning for sammensveising av rör
FR2660225B1 (fr) Procede et appareil de soudage longitudinal des bords d'un tube metallique de faible diametre.