EP1000677A3 - Method for forming a workpiece by application of a high internal pressure - Google Patents
Method for forming a workpiece by application of a high internal pressure Download PDFInfo
- Publication number
- EP1000677A3 EP1000677A3 EP99120812A EP99120812A EP1000677A3 EP 1000677 A3 EP1000677 A3 EP 1000677A3 EP 99120812 A EP99120812 A EP 99120812A EP 99120812 A EP99120812 A EP 99120812A EP 1000677 A3 EP1000677 A3 EP 1000677A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- workpiece
- forming
- application
- internal pressure
- high 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.)
- Granted
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
- B21D26/051—Deforming double-walled bodies
-
- 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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19851492 | 1998-11-09 | ||
DE19851492A DE19851492A1 (en) | 1998-11-09 | 1998-11-09 | Process for producing a component by means of hydroforming |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1000677A2 EP1000677A2 (en) | 2000-05-17 |
EP1000677A3 true EP1000677A3 (en) | 2001-04-25 |
EP1000677B1 EP1000677B1 (en) | 2004-02-18 |
Family
ID=7887103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99120812A Expired - Lifetime EP1000677B1 (en) | 1998-11-09 | 1999-10-21 | Method for forming a workpiece by application of a high internal pressure |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1000677B1 (en) |
AT (1) | ATE259685T1 (en) |
DE (2) | DE19851492A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6609301B1 (en) * | 1999-09-08 | 2003-08-26 | Magna International Inc. | Reinforced hydroformed members and methods of making the same |
DE10221880B4 (en) * | 2002-05-16 | 2007-03-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for producing a reinforced pipe, such a pipe and its use |
DE10230284B4 (en) * | 2002-07-05 | 2008-10-16 | Daimler Ag | Method and device for attaching components to circumferentially closed hollow sections |
DE10357671A1 (en) * | 2003-12-05 | 2005-07-07 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Manufacturing method for a multilayer pipe for guiding a heat transfer fluid and multilayer pipe |
DE102009032045A1 (en) * | 2009-07-07 | 2011-01-20 | Elb-Form Gmbh | Double-walled pipe, process for its preparation and its use |
GB2486224B8 (en) * | 2010-12-07 | 2013-06-19 | Europ Technical Ct Etc Steering Nsk Deutschland Gmbh | Tailored thickness steering tube |
DE102011113662A1 (en) * | 2011-09-19 | 2013-03-21 | Benteler Automobiltechnik Gmbh | Structural component for motor vehicle, has hollow-shaped base profile and reinforcing profiles that are flared together by internal high-pressure impingement |
CN113664064A (en) * | 2021-08-13 | 2021-11-19 | 山东钢铁集团日照有限公司 | Method for manufacturing differential thickness pipe |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE548576C (en) * | 1928-03-01 | 1933-02-03 | Richard Krauss Dipl Ing | Process for the production of iron high pressure pipes |
EP0015712A1 (en) * | 1979-02-28 | 1980-09-17 | Kawasaki Jukogyo Kabushiki Kaisha | Method of producing multiple-wall composite pipes |
DE3616901A1 (en) * | 1985-05-21 | 1986-11-27 | Musashi Seimitsu Kogyo K.K., Toyohashi, Aichi | METHOD FOR PRODUCING A BUILD-UP CAMSHAFT |
US4759111A (en) * | 1987-08-27 | 1988-07-26 | Ti Automotive Division Of Ti Canada Inc. | Method of forming reinforced box-selection frame members |
DE19511970A1 (en) * | 1995-04-18 | 1996-10-24 | Werdau Fahrzeugwerk | Forming double=walled tubing for air ducting or car industry |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2709633C3 (en) * | 1976-03-26 | 1981-04-23 | Combustion Engineering, Inc., 06095 Windsor, Conn. | Device for fastening a sleeve in a pipeline |
DE19617219C2 (en) * | 1996-04-30 | 1998-04-30 | Daimler Benz Ag | Method of making a hollow shaft |
-
1998
- 1998-11-09 DE DE19851492A patent/DE19851492A1/en not_active Withdrawn
-
1999
- 1999-10-21 DE DE59908570T patent/DE59908570D1/en not_active Expired - Lifetime
- 1999-10-21 EP EP99120812A patent/EP1000677B1/en not_active Expired - Lifetime
- 1999-10-21 AT AT99120812T patent/ATE259685T1/en not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE548576C (en) * | 1928-03-01 | 1933-02-03 | Richard Krauss Dipl Ing | Process for the production of iron high pressure pipes |
EP0015712A1 (en) * | 1979-02-28 | 1980-09-17 | Kawasaki Jukogyo Kabushiki Kaisha | Method of producing multiple-wall composite pipes |
DE3616901A1 (en) * | 1985-05-21 | 1986-11-27 | Musashi Seimitsu Kogyo K.K., Toyohashi, Aichi | METHOD FOR PRODUCING A BUILD-UP CAMSHAFT |
US4759111A (en) * | 1987-08-27 | 1988-07-26 | Ti Automotive Division Of Ti Canada Inc. | Method of forming reinforced box-selection frame members |
DE19511970A1 (en) * | 1995-04-18 | 1996-10-24 | Werdau Fahrzeugwerk | Forming double=walled tubing for air ducting or car industry |
Also Published As
Publication number | Publication date |
---|---|
DE19851492A1 (en) | 2000-05-11 |
ATE259685T1 (en) | 2004-03-15 |
EP1000677B1 (en) | 2004-02-18 |
DE59908570D1 (en) | 2004-03-25 |
EP1000677A2 (en) | 2000-05-17 |
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