AU2003277898A1 - Method and device for the production of a tubular workpiece, particularly a shock absorber piston rod, and such a workpiece - Google Patents

Method and device for the production of a tubular workpiece, particularly a shock absorber piston rod, and such a workpiece

Info

Publication number
AU2003277898A1
AU2003277898A1 AU2003277898A AU2003277898A AU2003277898A1 AU 2003277898 A1 AU2003277898 A1 AU 2003277898A1 AU 2003277898 A AU2003277898 A AU 2003277898A AU 2003277898 A AU2003277898 A AU 2003277898A AU 2003277898 A1 AU2003277898 A1 AU 2003277898A1
Authority
AU
Australia
Prior art keywords
workpiece
production
piston rod
shock absorber
absorber piston
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.)
Abandoned
Application number
AU2003277898A
Inventor
Frank Grau
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.)
Felss GmbH
Original Assignee
Felss GmbH
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=31724850&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU2003277898(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Felss GmbH filed Critical Felss GmbH
Publication of AU2003277898A1 publication Critical patent/AU2003277898A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/06—Making machine elements axles or shafts
    • B21K1/10—Making machine elements axles or shafts of cylindrical form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/025—Special design or construction with rolling or wobbling dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K21/00—Making hollow articles not covered by a single preceding sub-group
    • B21K21/12—Shaping end portions of hollow articles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/3207—Constructional features
    • F16F9/3221—Constructional features of piston rods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2226/00—Manufacturing; Treatments

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Forging (AREA)
  • Fluid-Damping Devices (AREA)
AU2003277898A 2002-09-26 2003-09-25 Method and device for the production of a tubular workpiece, particularly a shock absorber piston rod, and such a workpiece Abandoned AU2003277898A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10245570.8 2002-09-26
DE10245570A DE10245570B3 (en) 2002-09-26 2002-09-26 Production of a tubular workpiece, especially a shock absorber piston rod, comprises a second process step in which a transition region is shaped by a deformation process to produce a right-angled shoulder of the workpiece
PCT/EP2003/010655 WO2004030847A1 (en) 2002-09-26 2003-09-25 Method and device for the production of a tubular workpiece, particularly a shock absorber piston rod, and such a workpiece

Publications (1)

Publication Number Publication Date
AU2003277898A1 true AU2003277898A1 (en) 2004-04-23

Family

ID=31724850

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003277898A Abandoned AU2003277898A1 (en) 2002-09-26 2003-09-25 Method and device for the production of a tubular workpiece, particularly a shock absorber piston rod, and such a workpiece

Country Status (9)

Country Link
US (1) US20060042343A1 (en)
EP (1) EP1542819A1 (en)
JP (1) JP2006500222A (en)
KR (1) KR20050044932A (en)
CN (1) CN1684783A (en)
AU (1) AU2003277898A1 (en)
CA (1) CA2501080A1 (en)
DE (1) DE10245570B3 (en)
WO (1) WO2004030847A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008037549B3 (en) * 2008-11-12 2009-12-03 Heinrich Müller Maschinenfabrik GmbH Thin-walled tubular workpiece e.g. reservoir tube, producing method for shock absorber of vehicle, involves removing punching tool from workpiece that is transformed, and pulling out support mandrel from transformed workpiece
CN100591944C (en) * 2008-11-24 2010-02-24 南阳淅减汽车减振器有限公司 Production technology of damper piston rod of automobile
CN102581153A (en) * 2012-01-06 2012-07-18 昌河飞机工业（集团）有限责任公司 Processing method of closed-up pull rod
CN102581211B (en) * 2012-02-02 2014-08-06 哈尔滨飞机工业集团有限责任公司 Cold forming method for integral aluminum alloy pull rod of aircraft
CN103831581B (en) * 2012-11-23 2016-02-24 亚柏士气动工具股份有限公司 The manufacture method of air tool impacting shaft and air tool impacting shaft
US20170356483A1 (en) * 2016-06-14 2017-12-14 Lippert Components, Inc. Cold-worked riveted piston/rod assembly and method of making same
CN106964748B (en) * 2017-03-24 2019-04-23 常州永茂特种紧固件有限公司 The processing method and its processing tool of piston rod
KR102417271B1 (en) * 2020-01-29 2022-07-06 대성코리아(주) Manufacturing method of poison rod for shock absorber
KR102411985B1 (en) * 2020-02-17 2022-06-22 양희수 Manufacturing method piston rod of shock absorber
CN112170773A (en) * 2020-08-25 2021-01-05 福建龙溪轴承(集团)股份有限公司 Light alloy non-revolving body special-shaped integral pull rod precision forging near-net forming technology
DE102021103689B3 (en) * 2021-02-17 2022-05-19 GFU - Maschinenbau GmbH Gesellschaft für Umformung und Maschinenbau Method for producing a stepped cross-sectional reduction in a one-piece tubular metal workpiece, one-piece tubular workpiece produced therewith and apparatus for carrying out the method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3868842A (en) * 1971-10-12 1975-03-04 William Edward Anthony Method of making lap pin
GB1472860A (en) * 1974-12-02 1977-05-11 Stevens Bullivant Ltd Metal-forming
DE3313273A1 (en) * 1983-04-13 1984-10-18 Gebrüder Felss, 7535 Königsbach-Stein Method of reducing tube ends to form pressure-tight spigots
FR2596481B1 (en) * 1986-03-27 1989-10-27 Allinquant Sa PISTON ROD FOR TELESCOPIC APPARATUS SUCH AS SHOCK ABSORBER AND PNEUMATIC SPRING
EP0575112B1 (en) * 1992-06-12 1996-09-04 Topy Kogyo Kabushiki Kaisha Method for forming an annular member
US6247346B1 (en) * 1996-12-18 2001-06-19 Alcoa Inc. Method of forming a drive shaft
WO1999008820A1 (en) * 1997-08-13 1999-02-25 Hirschvogel Umformtechnik Gmbh Method for producing a gear wheel, device for carrying out the method, and wheel produced by this method
US6230540B1 (en) * 1999-10-19 2001-05-15 Meritor Heavy Vehicle Systems Llc Method and apparatus for forming an integral bearing shoulder in a tubular axle
US6792782B2 (en) * 1999-11-30 2004-09-21 Parker Hannifin Sa Method for deforming a tube near one of its ends and tool used in this method
FR2801522B1 (en) * 1999-11-30 2002-02-01 Parker Hannifin Sa PROCESS FOR DEFORMING A TUBE NEAR ONE OF ITS ENDS AND TOOL USED IN THIS PROCESS

Also Published As

Publication number Publication date
US20060042343A1 (en) 2006-03-02
CN1684783A (en) 2005-10-19
WO2004030847A1 (en) 2004-04-15
EP1542819A1 (en) 2005-06-22
JP2006500222A (en) 2006-01-05
KR20050044932A (en) 2005-05-13
CA2501080A1 (en) 2004-04-15
WO2004030847A9 (en) 2004-08-19
DE10245570B3 (en) 2004-03-18

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase