EP0974410A3 - Dispositif à contrôle hydraulique pour élément de tenue à contrepression - Google Patents
Dispositif à contrôle hydraulique pour élément de tenue à contrepression Download PDFInfo
- Publication number
- EP0974410A3 EP0974410A3 EP99850120A EP99850120A EP0974410A3 EP 0974410 A3 EP0974410 A3 EP 0974410A3 EP 99850120 A EP99850120 A EP 99850120A EP 99850120 A EP99850120 A EP 99850120A EP 0974410 A3 EP0974410 A3 EP 0974410A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- counterpressure
- embossing
- counterpressure element
- machine
- hydraulic cylinder
- 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.)
- Withdrawn
Links
- 238000004049 embossing Methods 0.000 abstract 7
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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- 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
- B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
- B21D24/10—Devices controlling or operating blank holders independently, or in conjunction with dies
- B21D24/14—Devices controlling or operating blank holders independently, or in conjunction with dies pneumatically or hydraulically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
- Press Drives And Press Lines (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9802566A SE518856C2 (sv) | 1998-07-17 | 1998-07-17 | Verktyg med hydrauliskt styrt mothåll |
SE9802566 | 1998-07-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0974410A2 EP0974410A2 (fr) | 2000-01-26 |
EP0974410A3 true EP0974410A3 (fr) | 2003-04-23 |
Family
ID=20412109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99850120A Withdrawn EP0974410A3 (fr) | 1998-07-17 | 1999-07-09 | Dispositif à contrôle hydraulique pour élément de tenue à contrepression |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0974410A3 (fr) |
SE (1) | SE518856C2 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0215528D0 (en) * | 2002-07-05 | 2002-08-14 | Naylor Ian | Multiple task foiling machine |
US11292047B2 (en) * | 2019-05-03 | 2022-04-05 | Ford Global Technologies | Mechanical die pressure monitoring system |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4035005A1 (de) * | 1990-11-03 | 1992-05-07 | Erfurt Umformtechnik Gmbh | Hydraulischer blechhalter fuer einfachwirkende pressen |
EP0565347A2 (fr) * | 1992-04-07 | 1993-10-13 | Toyota Jidosha Kabushiki Kaisha | Méthode et appareil pour mesurer la force de serre-flan agissant sur un anneau de pression d'une presse |
EP0692323A2 (fr) * | 1994-07-15 | 1996-01-17 | Toyota Jidosha Kabushiki Kaisha | Presse à cylindres d'amortissement comportant deux chambres dont la différence de pression est ajustable par un réglage de la force de retenue des pièces découpées |
EP0806256A2 (fr) * | 1996-05-06 | 1997-11-12 | Müller-Weingarten AG | Procédé de contrÔle du coulement de matériau pendant l'emboutissage des pièces de tÔle et dispositif pour la mise en oeuvre du procédé |
-
1998
- 1998-07-17 SE SE9802566A patent/SE518856C2/sv not_active IP Right Cessation
-
1999
- 1999-07-09 EP EP99850120A patent/EP0974410A3/fr not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4035005A1 (de) * | 1990-11-03 | 1992-05-07 | Erfurt Umformtechnik Gmbh | Hydraulischer blechhalter fuer einfachwirkende pressen |
EP0565347A2 (fr) * | 1992-04-07 | 1993-10-13 | Toyota Jidosha Kabushiki Kaisha | Méthode et appareil pour mesurer la force de serre-flan agissant sur un anneau de pression d'une presse |
EP0692323A2 (fr) * | 1994-07-15 | 1996-01-17 | Toyota Jidosha Kabushiki Kaisha | Presse à cylindres d'amortissement comportant deux chambres dont la différence de pression est ajustable par un réglage de la force de retenue des pièces découpées |
EP0806256A2 (fr) * | 1996-05-06 | 1997-11-12 | Müller-Weingarten AG | Procédé de contrÔle du coulement de matériau pendant l'emboutissage des pièces de tÔle et dispositif pour la mise en oeuvre du procédé |
Also Published As
Publication number | Publication date |
---|---|
SE518856C2 (sv) | 2002-11-26 |
SE9802566L (sv) | 2000-01-18 |
SE9802566D0 (sv) | 1998-07-17 |
EP0974410A2 (fr) | 2000-01-26 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
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AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
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RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: PERSSON, LARS |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: EP TECHNOLOGY AB |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: EP TECHNOLOGY AB |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
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AK | Designated contracting states |
Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
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AKX | Designation fees paid | ||
REG | Reference to a national code |
Ref country code: DE Ref legal event code: 8566 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20031024 |