EP0893172A1 - Verfahren zur Herstellung eines hohlprofilförmigen Bauteils - Google Patents
Verfahren zur Herstellung eines hohlprofilförmigen Bauteils Download PDFInfo
- Publication number
- EP0893172A1 EP0893172A1 EP98112423A EP98112423A EP0893172A1 EP 0893172 A1 EP0893172 A1 EP 0893172A1 EP 98112423 A EP98112423 A EP 98112423A EP 98112423 A EP98112423 A EP 98112423A EP 0893172 A1 EP0893172 A1 EP 0893172A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hollow profile
- sleeve
- area
- high pressure
- expansion
- 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
Images
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
- B21D26/053—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 characterised by the material of the blanks
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49616—Structural member making
- Y10T29/49622—Vehicular structural member 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
- Y10T29/49—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
- Y10T29/49908—Joining by deforming
- Y10T29/49938—Radially expanding part in cavity, aperture, or hollow body
- Y10T29/4994—Radially expanding internal tube
Definitions
- the invention relates to a method for producing a hollow profile-shaped component according to the preamble of the claim 1.
- a generic method is known from DE 195 06 160 A1.
- the production of other light metal components, at which much higher degrees of deformation than that for the generation of Final contour of node elements required degrees of deformation occur is with conventional hydroforming processes, however not possible because of the compared to e.g. Steel materials significantly lower elongation at break of light metals the bursting limit of the hollow profiles is reached very quickly is, so that a failure of the material occurs before the Hollow profile on the tool contour to achieve the desired one Final shape comes to the plant. This will make it very likely Committee parts produced.
- the invention has for its object a generic To further develop methods so that in a simple manner hollow profile shaped components based on light metal or Basis of other materials with low elongation at break, even with high ones Forming degrees can be produced reliably.
- the sleeve can be due to its more ductile material stretch many times more from the internal high pressure than the hollow profile without cracking failure. Consequently a light metal-based component can be reliably produced be, due to its shape very high degrees of deformation required.
- Fig. 1 is a hollow profile-shaped component 1 in the form of a shown front roof frame of a motor vehicle, which has a console 2 approximately in the middle, on which an inside mirror 3 is appropriate.
- Component 1 like its initial form 2 shows, from a hollow profile 4 made of a light metal, preferably from an aluminum extruded profile, or from a other material with low elongation at break such as high-strength steels, especially ZStE steels and a sleeve 5 made of a steel material, preferably St 14 or stainless steel, which forms the shape of the later console 2 and on the hollow profile 4 in the predetermined position of the console 2 with Game is postponed. In this position, the sleeve 5 true to shape the hollow profile 4.
- the upper tool 7 and a lower tool 8 includes (Fig. 3).
- the Engraving 9 of the forming tool 6 is in accordance with the contour and the dimensions of the composite profile substantially rectangular trained, but has (here: in the upper tool 7 of the forming tool 6) in the region of the position of the sleeve 5 between its Ends 10, 11 have a bulbous recess 12 which is shape-negative is designed to contour the later console 2.
- the sleeve 5 which is acted upon only by internal high pressure expands due to the higher elasticity or ductility of its steel material without tearing and lies against the Contour of the recess 12 of the engraving 9 in line with the contour. In this The final shape of component 1 has been reached. The pressure fluid is now relaxed and after opening the forming tool 6 the component 1 removed.
- the sleeve 5 could not be retrofitted to the hollow profile 4 are pushed on, because the hollow profile 4 is straight in the area 13, over which the sleeve 5 is to be positioned, bulges into the recess 12 when subjected to high internal pressure.
- the sleeve 5 should otherwise be designed so that both ends 10,11 the narrowest cross-section over the entire course of the sleeve shape have, so that the tightness during further expansion the sleeve 5 is given by the press fit. Between the two Ends 10, 11 can be the sleeve 5 within the scope of the expansion volume to be bulged and the geometry of the final shape of component 1 in Area 13 have every conceivable starting form.
- the sleeve 5 over its entire length Length in sliding seat or press fit on the hollow profile 4 is present, as a result of the further expansion of the sleeve 5 and hollow profile 4 are expanded together and the sleeve 5 from their Forming movement due to the expansion of the hollow profile 4 out when the hollow profile 4 bursts, so to speak, in a smooth transition reliable and not abruptly directly with the internal high pressure is acted upon and tears itself.
- the entire transformation the sleeve thus takes place - even when the Hollow section 4 - in a single continuous forming movement.
- the hollow profile 4 in the Expanding process beyond the bursting limit by means of internal high pressure in the area to be formed with high degrees of deformation 13 of the hollow profile 4 locally concentrated and targeted Internal high pressure is torn open, so that at predetermined Point at which the mechanical load of the finished formed Component 1 is not very large and thus the notch effect of the crack 14 formed on the hollow profile 4 not or only limited in harmless for the stability of component 1 Dimensions takes place, the cracking is determined.
- the targeted Tear is by an impression in the hollow profile 4 in the area 13 reached at the desired location, this location has a wall thickness that is comparatively smaller than the surroundings. This predetermined breaking point can be punctiform or linear be.
- the component 1 produced according to the invention can otherwise not only be designed as a roof frame, but can also represent a chassis beam or axles.
- a chassis beam or axles Of course are other uses in automotive engineering and in other technical non-vehicle related areas conceivable.
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
Description
Claims (7)
- Verfahren zur Herstellung eines hohlprofilförmigen Bauteils, wobei ein Hohlprofil aus Leichtmetall oder aus anderen Werkstoffen mit geringer Bruchdehnung mittels Innenhochdruckumformen aufgeweitet wird,
dadurch gekennzeichnet,
daß auf das Hohlprofil (4) eine Hülse (5) aus einem Material mit größerer Duktilität als Leichtmetall, insbesondere aus einem Stahlwerkstoff, geschoben wird und auf dem Hohlprofil (4) derart angeordnet wird, daß ein beim späteren Aufweiten mit hohen, die Dehnfähigkeit des Leichtmetalls übersteigenden Umformgraden umzuformender Bereich (13) des Hohlprofils (4) abgedeckt wird, und daß in einer Aufweitung mittels Innenhochdruck das Hohlprofil (4) innerhalb dieses Bereiches (13) bis über die Berstgrenze hinaus aufgeweitet wird, wonach die Hülse (5) über die geborstene Stelle des fertigumgeformten Hohlprofils (4) direkt mit Innenhochdruck beaufschlagt allein aufgeweitet wird, bis die Endform des Bauteils (1) in dem von der an beiden Enden (10,11) im Preßsitz auf dem Hohlprofil (4) gehaltenen Hülse (5) abgedeckten Bereich (13) erreicht ist. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
daß durch eine erste Aufweitung des Hohlprofils (4) mittels Innenhochdruck dessen außerhalb des mit hohen Umformgraden umzuformenden Bereiches (13) liegende Profilabschnitte (15,16) in die dortige Endform des Bauteils (1) gebracht werden und daß erst danach in einer weiteren Aufweitung mittels Innenhochdruck das Hohlprofil (4) innerhalb dieses Bereiches (13) über die Berstgrenze hinaus aufgeweitet wird. - Verfahren nach Anspruch 2,
dadurch gekennzeichnet,
daß vor dem Aufschieben der Hülse (5) die außerhalb des mit hohen Umformgraden umzuformenden Bereiches (13) liegenden Profilabschnitte (15,16) des Hohlprofiles (4) durch Aufweiten mittels Innenhochdruck in die dortige Endform des Bauteils (1) gebracht werden. - Verfahren nach Anspruch 2,
dadurch gekennzeichnet,
daß die außerhalb des mit hohen Umformgraden umzuformenden Bereiches (13 liegenden Profilabschnitte (15,16) des Hohlprofiles (4) nach dem Aufschieben der Hülse (5) durch den ersten Aufweitvorgang mittels Innenhochdruck in die dortige Endform des Bauteils (1) gebracht werden, und daß beim ersten Aufweitvorgang zumindest an beiden Enden (10,11) der Hülse (5) ein Preßsitz am Hohlprofil (4) ausgebildet wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
daß das Hohlprofil (4) und die aufgeschobene Hülse (5) bis zum Erreichen der Berstgrenze des Hohlprofiles (4) in dem mit hohen Umformgraden umzuformenden Bereich (13) gemeinsam aufgeweitet werden. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
daß am Hohlprofil (4) in dem über die Berstgrenze hinausgehenden Aufweitvorgang mittels Innenhochdruck in dem mit hohen Umformgraden umzuformenden Bereich (13) eine Sollbruchstelle ausgebildet wird, an der das Hohlprofil (4) beim Aufweiten über die Berstgrenze lokal konzentriert aufgerissen wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
daß am Hohlprofil (4) in dem über die Berstgrenze hinausgehenden Aufweitvorgang mittels Innenhochdruck in dem mit hohen Umformgraden umzuformenden Bereich (13) eine Sollbruchstelle ausgebildet wird, an der das Hohlprofil (4) entlang einer in sich geschlossenen Kurve aufgerissen wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19730481 | 1997-07-16 | ||
DE19730481A DE19730481C1 (de) | 1997-07-16 | 1997-07-16 | Verfahren zur Herstellung eines hohlprofilförmigen Bauteils |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0893172A1 true EP0893172A1 (de) | 1999-01-27 |
EP0893172B1 EP0893172B1 (de) | 2000-11-29 |
Family
ID=7835889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98112423A Expired - Lifetime EP0893172B1 (de) | 1997-07-16 | 1998-07-04 | Verfahren zur Herstellung eines hohlprofilförmigen Bauteils |
Country Status (4)
Country | Link |
---|---|
US (2) | US6065211A (de) |
EP (1) | EP0893172B1 (de) |
DE (1) | DE19730481C1 (de) |
ES (1) | ES2153698T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7673377B2 (en) | 2001-05-05 | 2010-03-09 | Henrob Limited | Fastener insertion apparatus and method |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19730481C1 (de) * | 1997-07-16 | 1998-07-09 | Daimler Benz Ag | Verfahren zur Herstellung eines hohlprofilförmigen Bauteils |
US6574849B1 (en) * | 1998-08-17 | 2003-06-10 | Siempelkamp Pressen Systeme Gmbh & Co. | Method for deforming through high inner pressure at least two hollow bodies having each at least one opening, especially metal tubes or metal hollow profiles |
US6609301B1 (en) * | 1999-09-08 | 2003-08-26 | Magna International Inc. | Reinforced hydroformed members and methods of making the same |
US6505389B2 (en) * | 2000-12-19 | 2003-01-14 | F&P Mfg., Inc. | Apparatus and method for forming a tube having an article attached thereto |
US6585331B2 (en) * | 2001-09-06 | 2003-07-01 | Meritor Heavy Vehicle Technology, Llc | Tubular axle beam |
JP4080255B2 (ja) * | 2002-06-17 | 2008-04-23 | 株式会社アステア | バンパ補強材の製造方法 |
US20050092053A1 (en) * | 2003-10-31 | 2005-05-05 | Guoxiang Zhou | Grille and method and apparatuses for manufacturing it |
US20060108783A1 (en) * | 2004-11-24 | 2006-05-25 | Chi-Mou Ni | Structural assembly for vehicles and method of making same |
US7546754B2 (en) * | 2005-04-14 | 2009-06-16 | Gm Global Technology Operations, Inc. | Method of fabricating tubular structure from hybrid material |
DE102007042277B4 (de) * | 2007-09-06 | 2010-07-08 | Thyssenkrupp Drauz Nothelfer Gmbh | Dachkonstruktion einer Fahrzeugkarosserie |
CN102240719B (zh) * | 2011-05-06 | 2013-04-17 | 哈尔滨工业大学 | 用于提高管材内压成形极限的装置及利用其的提高管材内压成形极限的方法 |
DE102011053257A1 (de) * | 2011-09-05 | 2013-03-07 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Hybridhohlträger |
DE102013008918B4 (de) * | 2013-05-24 | 2018-06-07 | Audi Ag | Hohlprofil für eine Trägerstruktur eines Fahrzeugs |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19506160A1 (de) * | 1995-02-22 | 1996-08-29 | Opel Adam Ag | Rahmenkonstruktion für Kraftfahrzeuge |
JPH09155478A (ja) * | 1995-10-05 | 1997-06-17 | Kobe Steel Ltd | 中空部材の接合方法及び中空構造部材 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR590542A (fr) * | 1924-12-17 | 1925-06-18 | Mode de construction de carrosserie pour automobiles | |
US1882352A (en) * | 1926-07-28 | 1932-10-11 | Woodhead Harry | Process of forming hollow bracing units |
US3769691A (en) * | 1971-04-08 | 1973-11-06 | Willow Hill Ind Inc | Method of making tubular laminated article |
ZA747674B (en) * | 1974-12-03 | 1976-01-28 | P Herr | Improvements in or relating to stanchions |
US4132437A (en) * | 1976-10-18 | 1979-01-02 | Arvin Industries, Inc. | Interlocking pipe ball joint |
US4166481A (en) * | 1978-05-30 | 1979-09-04 | Farris Darrel D | Closed liquid transfer system |
US4183511A (en) * | 1978-08-30 | 1980-01-15 | Marek Richard G | Work holder for adjustably supporting a workpiece |
FR2464424A1 (fr) * | 1979-09-03 | 1981-03-06 | Aerospatiale | Procede pour munir une canalisation d'un embout de raccord et canalisation ainsi obtenue |
US4761981A (en) * | 1987-03-23 | 1988-08-09 | Haskel, Inc. | Swaging apparatus for flaring and anchoring tubes |
US4980961A (en) * | 1989-07-14 | 1991-01-01 | Caterpillar Inc. | Method of forming a double upset tube assembly |
DE9017895U1 (de) * | 1989-10-26 | 1993-02-04 | Mannesmann AG, 4000 Düsseldorf | Rohrförmiges Stahlprofil für die Türverstärkung |
US5203190A (en) * | 1990-05-30 | 1993-04-20 | Sivco, Inc. | Method and apparatus for making a hydrocyclone separation chamber |
JPH0979033A (ja) * | 1995-09-13 | 1997-03-25 | Sango Co Ltd | 管部材と板体の接合構造及び接合方法並びに前記接合構造を有する消音器 |
DE19730481C1 (de) * | 1997-07-16 | 1998-07-09 | Daimler Benz Ag | Verfahren zur Herstellung eines hohlprofilförmigen Bauteils |
-
1997
- 1997-07-16 DE DE19730481A patent/DE19730481C1/de not_active Expired - Fee Related
-
1998
- 1998-07-04 EP EP98112423A patent/EP0893172B1/de not_active Expired - Lifetime
- 1998-07-04 ES ES98112423T patent/ES2153698T3/es not_active Expired - Lifetime
- 1998-07-16 US US09/116,440 patent/US6065211A/en not_active Expired - Fee Related
-
2000
- 2000-04-14 US US09/549,578 patent/US6299242B1/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19506160A1 (de) * | 1995-02-22 | 1996-08-29 | Opel Adam Ag | Rahmenkonstruktion für Kraftfahrzeuge |
JPH09155478A (ja) * | 1995-10-05 | 1997-06-17 | Kobe Steel Ltd | 中空部材の接合方法及び中空構造部材 |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 097, no. 010 31 October 1997 (1997-10-31) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7673377B2 (en) | 2001-05-05 | 2010-03-09 | Henrob Limited | Fastener insertion apparatus and method |
DE10219878B4 (de) * | 2001-05-05 | 2013-09-26 | Henrob Ltd. | Gerät und Verfahren zum Einsetzen eines Befestigungselements |
Also Published As
Publication number | Publication date |
---|---|
US6065211A (en) | 2000-05-23 |
EP0893172B1 (de) | 2000-11-29 |
DE19730481C1 (de) | 1998-07-09 |
US6299242B1 (en) | 2001-10-09 |
ES2153698T3 (es) | 2001-03-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0893172B1 (de) | Verfahren zur Herstellung eines hohlprofilförmigen Bauteils | |
EP1954420B1 (de) | Verfahren und vorrichtung zum kernlosen einformen von hohlprofilen | |
DE4214557C2 (de) | ||
DE19905365B4 (de) | Verfahren zur Herstellung eines Hohlprofiles mit Flansch | |
DE10350145B4 (de) | Erzeugen von IHU-Bauteilen mit Flansch | |
DE102005036419B4 (de) | Vorrichtung zur Herstellung ausgebauchter Hohlprofile, insbesondere von Gasgeneratorgehäusen für Airbageinrichtungen | |
WO2000010746A2 (de) | Verfahren zum innenhochdruck-umformen zweier oder mehrerer hohlkörper mit jeweils zumindest einer öffnung, insbesondere metallrohre oder metallhohlprofile | |
EP0895819B1 (de) | Verfahren und Vorrichtung zur Herstellung einer Montageanbindung an einem Hohlprofil | |
DE102006040072A1 (de) | Kraftfahrzeughohlprofil und ein Verfahren zu dessen Herstellung | |
DE102007019511B3 (de) | Vorrichtung und Verfahren zum Innenhochdruckumformen eines Verbundmetallrohres | |
DE19837131C2 (de) | Verfahren zum Innenhochdruck-Umformen zweier oder mehrerer Hohlkörper mit jeweils zumindest einer Öffnung, insbesondere Metallrohre oder Metallhohlprofile sowie Innenhochdruck-Umformmaschine zur Durchführung des Verfahrens | |
DE19837130C2 (de) | Verfahren zum Fügen zweier oder mehrerer Hohlkörper mit jeweils zumindest einer Öffnung sowie zugehörige Innenhochdruck-Umformmaschine | |
DE10221880A1 (de) | Verfahren zur Herstellung eines verstärkten Rohres oder Bleches | |
DE102018131967A1 (de) | Verfahren zum Kalibrieren eines gekrümmten metallischen Hohlkammerprofils | |
DE102021002526B3 (de) | Verfahren zur Herstellung einer Hohlwelle, eine damit hergestellte Hohlwelle sowie ein diesbezügliches Formgebungswerkzeug | |
DE102004016803A1 (de) | Energieabsorptionskörper und zugehöriges Herstellungsverfahren | |
DE102009042183A1 (de) | Verfahren zum Herstellen eines Trägerelements sowie Trägerelement | |
DE102007050337B4 (de) | Formgestauchter Hohlkörper | |
DE10049048C1 (de) | Verfahren zum Herstellen von Enden für Hohlwellen | |
DE102007017030B3 (de) | Verfahren und Vorrichtung zum Herstellen eines Innenhochdruckumformteils | |
WO2019076575A1 (de) | Verfahren zum herstellen eines bauteils | |
WO2008068001A1 (de) | Servoventilbaugruppe | |
EP1663537A1 (de) | Verfahren zur herstellung eines umf nglich geschlossenen hoh lprofiles | |
DE102004024574B4 (de) | Vorrichtung zum Innenhochdruckumformen eines Hohlkörpers | |
DE10349879B3 (de) | Verfahren und Vorrichtung zum Trennen eines nach dem Innenhochdruck-Umformverfahren hergestellten Hohlkörper |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): ES FR GB IT SE |
|
AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
17P | Request for examination filed |
Effective date: 19981203 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: DAIMLERCHRYSLER AG |
|
AKX | Designation fees paid |
Free format text: ES FR GB IT SE |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: 8566 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
17Q | First examination report despatched |
Effective date: 20000221 |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
ITF | It: translation for a ep patent filed |
Owner name: BARZANO' E ZANARDO ROMA S.P.A. |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): ES FR GB IT SE |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 20001211 |
|
ET | Fr: translation filed | ||
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2153698 Country of ref document: ES Kind code of ref document: T3 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20010705 Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20010705 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
EUG | Se: european patent has lapsed |
Ref document number: 98112423.3 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20020329 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20020704 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20020704 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FD2A Effective date: 20020810 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050704 |