EP1000690B1 - Verfahren zur Herstellung eines aufschäumbaren Halbzeuges sowie Halbzeug - Google Patents
Verfahren zur Herstellung eines aufschäumbaren Halbzeuges sowie Halbzeug Download PDFInfo
- Publication number
- EP1000690B1 EP1000690B1 EP99122624A EP99122624A EP1000690B1 EP 1000690 B1 EP1000690 B1 EP 1000690B1 EP 99122624 A EP99122624 A EP 99122624A EP 99122624 A EP99122624 A EP 99122624A EP 1000690 B1 EP1000690 B1 EP 1000690B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressing
- semi
- pored
- mixture
- open
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/002—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature
- B22F7/004—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature comprising at least one non-porous part
- B22F7/006—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature comprising at least one non-porous part the porous part being obtained by foaming
Definitions
- the invention relates to a method for producing a metallic composite material. Furthermore, the invention relates to a semi-finished product intended for a metallic Composite body, wherein the semi-finished product from at least one of at least one metal powder and at least one pellet made of gas-releasing propellant powder and there is an associated cover layer.
- a metallic composite material is known from DE 44 26 627 C2.
- a foamable core is produced by compression by means of pressure and temperature effects of a mixture of at least one metal powder and at least one gas-releasing blowing agent powder.
- the core produced by compressing the mixture is closed-pore, so that foaming takes place when the temperature is specifically influenced.
- a package having a sandwich structure is produced by cold or hot rolling or diffusion welding, which creates an intimate connection between the cover layer and the core.
- the resulting composite is then shaped by pressing, bending or deep drawing, in order to then foam up the core by thermal action.
- DE 41 24 491 C1 is a process for the production of foamable metal bodies to be removed by rolling.
- a powder mixture of at least one powder containing blowing agent and a metal powder without external temperature increase cold pressed.
- the pressure is selected so that the blowing agent particles from the Metal powder particles are tightly encased so that they can be preheated afterwards do not release gas from the material.
- a foamable core of a metallic composite material proposed, with gas-releasing propellant particles between metal particles be included to prevent propellant gas from being compressed prematurely Core exits.
- the core is compacted by hot compacting.
- DE 196 12 781 C1 shows a component made of metallic foam material.
- a foamable compact is produced, which is compacted and solidified Mixture of metal powder and blowing agent.
- the pellet at least provided on one side with a solid metal sheet, in order then in Form composite and by heat treatment the metal powder containing the blowing agent froth.
- the DE-Z .: Ingenieur Werkstoffe, No. 3 (1998) pp. 42 - 45 is a manufacturing process of components made of aluminum foams, first of all a mixture of Blowing agent, aluminum powder and additives are cold isostatically pressed to a theoretical To achieve density of about 70 to 80% of the base material. Then it will be like this The body obtained is reshaped using extrusion technology to create an almost 100% gas-tight, so to produce closed-pore compact. This is then, for example, with aluminum or sheet steel and then foamed to a desired one Obtain component made of aluminum foam.
- the present invention is based on the problem of a method and a semi-finished product of the type mentioned in the introduction so that there is a procedural simplification in the manufacture of metallic composite materials, in particular the possibility is to be created, metal body of almost any dimensions available to deliver.
- a semi-finished product is intended for a metallic composite body, the semi-finished product consisting of at least one of at least one metal powder and at least one gas-releasing one Propellant powder produced compact and cover layer connected thereto, is characterized by the fact that the compact is open-pore.
- blowing agents in the mixture are conventional blowing agents, such as metal hydrides such as B. titanium hydride or carbonates such.
- Metals that can be used as cover layers are, for example, also part of the mixture are or outer layers of aluminum or steel.
- a powder mixture of aluminum powder and 12% by weight silicon powder and 0.8% by weight Titanium hydride powder is transformed into pressed bars (cuboids) with cuboid shapes by cold isostatic pressing Dimensions pressed.
- This precompacted open-pore ingot is then between two aluminum sheet strips guided along pressure rollers were introduced, the Pressure rollers apply pressure over the metal strips to the precompacted powder mixture exercise.
- the temperature during rolling is 400 ° C.
- the composite thus produced with a total thickness of 4.2 mm, was preheated Foamed oven.
- the thickness of the sandwich sheet produced in this way The aluminum base was approx. 16 mm after the foaming process.
- a process sequence for producing a metallic composite body is 1.
- metal powder such as aluminum powder with titanium hydride powder mixed as blowing agent powder
- the proportion of the titanium hydride powder approximately Is 0.8% by weight.
- an open-pore compact is made manufactured. Isostatic or axial pressing cuboid or plate-shaped body. Then one can from the compact Body of the desired geometry can be cut out or the compact itself can be used be, the open-pore compact or the open-pore body to a composite produced by placing one or more cover layers or inserting them in a frame can then be intimately connected to the composite as a unit by rolling on the one hand and on the other hand to reshape the composite compact and cover layer, which can be called semi-finished product, in such a way that the Blowing agent particles are trapped between the metal particles (process step 16). In the usual way, the network can then by z. B.
- FIG. 2 shows an open-pore 22, the compact on the circumference of a frame 24 and is surrounded on the bottom and top by plates 26, 28.
- the bottom and top plate 26, 28 are e.g. B. by gluing, welding or mechanical joining with the frame 24th connected to in the subsequent rolling process in accordance with method step 16 ensure that the plates 26, 28 and the frame 24 surrounding the compact 22 cannot be moved towards each other.
- Both the frame and the plates 26, 28 can consist of metal such as aluminum or steel.
- the use of the frame 24 is advantageous since the compact 22 can be quite brittle, so that in the method step rolling, in which the compact 22 becomes a foamable and so that closed-pore core is compressed, the compact 22 does not break.
- FIG. 3 shows a further preferred embodiment for producing a metallic one Composite shown.
- compacts 30, 32, 34, 36 between the bottom and Head plates 38, 40 arranged, the mutually aligned folds or elevations 42, 44, 46, 48, 50, 52 have, whereby a chambering takes place, which ensures that the subsequent rollers a clear fixation of the compacts 30, 32, 34, 36 with simultaneous Avoid breaking this is guaranteed.
- it is required that the roller in the area of the free end faces of the semi-finished products 30, 32, 34, 36 Collar has to prevent the compacts 30, 32, 34, 36 from breaking out laterally.
- the compacts 22, 30, 32, 34, 36 themselves preferably have a theoretical density of 70 % to 90%, which ensures the desired open porosity.
- a treatment the compacts 22, 30, 32, 34, 36 before joining or plating with the sheets 26, 28, 38, 40 or the frame 24 is not necessary, since in the connection step "rolling" due to the shear forces occurring, a surface change takes place in such a way that break up existing oxide layers.
- cold isostatic pressing can be carried out according to the invention.
- a perforated support body with a cavity is used, into which a rubber-elastic mold is inserted, which in turn is filled with the mixture of the at least one metallic powder and the at least one gas-releasing propellant powder. Then the rubber-elastic form is closed. The interior of the rubber-elastic form is sucked off to be cold isostatic afterwards. Pressing gases do not have to compress.
- the support body with the rubber-elastic form and the powder mixture present in this is exposed to a hydrostatic pressure of approx. 2 x 10 8 Pa.
- the support body is placed in a corresponding container filled with water.
- cold isostatic pressing it should also be noted that the basic body is manufactured at room temperature.
- Corresponding composite bodies can be used as lightweight structures for the automotive sector or are used in general traffic engineering. Also a planking from Objects with corresponding composite bodies are conceivable.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Description
wodurch eine innige Verbindung zwischen der Deckschicht und dem Kern hergestellt wird. Anschließend erfolgt durch Pressen, Biegen oder Tiefziehen eine Formgebung des entstandenen Verbundes, um sodann durch thermische Einwirkung den Kern aufzuschäumen.
- Mischen zumindest eines Metallpulvers mit zumindest einem Gas abspaltenden Treibmittel,
- Pressen der so hergestellten Mischung zum Ausbilden eines offenporigen Presslings, der nicht aufschäumbar ist,
- Verbinden des offenporigen Presslings mit zumindest einer Deckschicht, wobei gleichzeitig oder anschließend der Pressling mit der Deckschicht zu einem geschlossenporigen aufschäumbaren Halbzeug verdichtet wird und
- Aufschäumen des so hergestellten Halbzeuges durch Wärmeeinwirkung.
- Fig. 1
- ein Fließbild zur Veranschaulichung eines Verfahrensablaufs,
- Fig. 2
- eine erste Ausführungsform eines Halbzeuges zur Herstellung eines metallischen Verbundwerkstoffs und
- Fig. 3
- eine zweite Ausführungsform von Halbzeugen zur Herstellung von metallischen Verbundwerkstoffen.
Claims (10)
- Verfahren zur Herstellung eines metallischen Verbundwerkstoffes,
gekennzeichnet durch
die Verfahrensschritte:Mischen zumindest eines Metallpulvers mit zumindest einem Gas abspaltenden Treibmittel; pulverPressen der so hergestellten Mischung zum Ausbilden eines offenporigen Presslings, der nicht aufschäumbar ist,Verbinden des offenporigen Presslings mit zumindest einer Deckschicht, wobei gleichzeitig oder anschließend der Pressling mit der Deckschicht zu einem geschlossenporigen aufschäumbaren Halbzeug verdichtet wird undAufschäumen des so hergestellten Halbzeuges durch Wärmeeinwirkung ohne dass die Deckschicht schmilzt. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, dass die Mischung durch isostatisches und/oder axiales Pressen, insbesondere durch Kaltpressen zu einem barren-, quader- oder plattenförmigen Pressling geformt wird. - Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass das Halbzeug einer Formgebung durch Pressen, Biegen oder Tiefziehen unterzogen wird. - Verfahren nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Mischung zur Ausbildung des offenporigen Presslings einem Druck von 107 Pa bis 2 · 108 Pa, insbesondere 3 · 107 bis 12 · 107 Pa ausgesetzt wird. - Verfahren nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Mischung während des Ausbildens des offenporigen Presslings bei einem kaltisostatischem Pressvorgang Raumtemperatur ausgesetzt wird. - Verfahren nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Mischung während des Ausbildens des offenporigen Presslings bei einem axialen Pressen einer Temperatur von bis 250 °C ausgesetzt wird. - Verfahren nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass der Pressling eine Dichte aufweist, die 70 % bis 95 % der theoretischen Dichte der Mischung aus dem mindestens einen Metallpulver und dem mindestens einen gasabspaltenden Treibmittelpulver entspricht. - Halbzeug bestimmt für einen metallischen Verbundkörper, wobei das Halbzeug aus mindestens einem aus mindestens einem Metallpulver und mindestens einem gasabspaltenden Treibmittelpulver hergestellten Pressling (22, 30, 32, 34) und mit diesem verbundener Deckschicht (26, 28) besteht,
dadurch gekennzeichnet, dass der Pressling (22, 30, 32, 34, 36) offenporig ist. - Halbzeug nach Anspruch 8,
dadurch gekennzeichnet, dass der Pressling (22) während des Verdichtens zu einem geschlossenporigen aufschäumbaren Kern umfangsseitig von einem Rahmen (24) und/oder unter- und oberseitig von Platten (26, 28) umgeben ist, der bzw. die aus Metall bestehen. - Halbzeug nach Anspruch 8,
dadurch gekennzeichnet, dass mehrere aufeinanderfolgende Presslinge (30, 32, 34, 36) auf ihren gegenüberliegenden Seiten von Blechen (38, 40) als Deckschichten abgedeckt sind, wobei unmittelbar aufeinanderfolgende Presslinge gegeneinander über von den Blechen (38, 40) ausgehende und aufeinanderzugerichtete Vorsprünge wie Falze (42, 44, 46, 48, 50, 52) beabstandet sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19852277 | 1998-11-13 | ||
DE19852277A DE19852277C2 (de) | 1998-11-13 | 1998-11-13 | Verfahren zur Herstellung eines metallischen Verbundwerkstoffes sowie Halbzeug für einen solchen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1000690A2 EP1000690A2 (de) | 2000-05-17 |
EP1000690A3 EP1000690A3 (de) | 2001-01-24 |
EP1000690B1 true EP1000690B1 (de) | 2004-09-29 |
Family
ID=7887620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99122624A Expired - Lifetime EP1000690B1 (de) | 1998-11-13 | 1999-11-13 | Verfahren zur Herstellung eines aufschäumbaren Halbzeuges sowie Halbzeug |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1000690B1 (de) |
AT (1) | ATE277710T1 (de) |
DE (2) | DE19852277C2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006053300A1 (de) * | 2006-11-13 | 2008-05-15 | Bayerische Motoren Werke Ag | Sandwichbauteil |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10136370B4 (de) * | 2001-07-26 | 2005-03-31 | Schwingel, Dirk, Dr. | Verbundwerkstoff und daraus hergestelltes Bauteil bestehend aus einem aufgeschäumten Metallkern und massiven Deckblechen, sowie Verfahren zur Herstellung |
DE10215086B4 (de) * | 2002-02-18 | 2004-01-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aufschäumbarer Metallkörper, Verfahren zu seiner Herstellung und seine Verwendung |
DE102004006034B4 (de) * | 2004-02-06 | 2009-07-30 | Schäfer Chemische Fabrik GmbH | Verfahren zur Ausbildung und Feinverteilung feiner Wasserstoffbläschen in Wasserstoff enthaltenden Aluminium-Gusslegierungsschmelzen |
DE102004039306A1 (de) * | 2004-08-12 | 2006-02-23 | Bayerische Motoren Werke Ag | Verfahren zum Herstellen eines Verbundgussteils |
DE102008027798A1 (de) * | 2008-06-11 | 2009-12-24 | Helmholtz-Zentrum Berlin Für Materialien Und Energie Gmbh | Aluminiumlegierung für Metallschäume, ihre Verwendung und Verfahren zur Herstellung |
DE202013103272U1 (de) | 2013-07-22 | 2014-10-23 | Wegener International Gmbh | Heizeinrichtung für die Plastifizierung von Werkstücken aus einem thermoplastischen Kunststoff |
DE102015205829B4 (de) | 2015-03-31 | 2017-01-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Herstellung von geschäumten Sandwichelementen |
DE102015118787A1 (de) * | 2015-11-03 | 2017-05-04 | HAVEL metal foam GmbH | Verfahren und Vorrichtung zur Herstellung von Metallschaumverbundkörpern und Metallschaumverbundkörper |
DE102017121513A1 (de) | 2017-09-15 | 2019-03-21 | Pohltec Metalfoam Gmbh | Verfahren zum Schäumen von Metall im Flüssigkeitsbad |
DE102017121511A1 (de) | 2017-09-15 | 2019-03-21 | Pohltec Metalfoam Gmbh | Verfahren zur Herstellung eines Halbzeuges für einen Verbundwerkstoff |
DE102017121512A1 (de) | 2017-09-15 | 2019-03-21 | Pohltec Metalfoam Gmbh | Verfahren zum Schäumen von Metall mit Wärmekontakt |
WO2019053181A1 (de) | 2017-09-15 | 2019-03-21 | Pohltec Metalfoam Gmbh | Verfahren zum schäumen von metall mit wärmekontakt |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4101630A1 (de) * | 1990-06-08 | 1991-12-12 | Fraunhofer Ges Forschung | Verfahren zur herstellung aufschaeumbarer metallkoerper und verwendung derselben |
DE4124591C1 (en) * | 1991-01-21 | 1993-02-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De | Foamable metal body prodn. with reduced density differences - by charging hollow section with mixt. of powder contg. expanding agent and metal powder, and precompacting |
DE4124491C1 (en) * | 1991-07-24 | 1992-10-15 | Erno Raumfahrttechnik Gmbh, 2800 Bremen, De | Drive set with gaseous and/or liq. fuel delivery - has annular chamber, whose middle section is divided into several narrow chambers |
CH686413A5 (de) * | 1992-06-09 | 1996-03-29 | Matec Holding Ag | Verfahren zur Herstellung von Formteilen und Anwendung desselben. |
DE9212607U1 (de) * | 1992-09-18 | 1994-02-24 | Faist M Gmbh & Co Kg | Schallwellen dämpfendes und/oder dämmendes Bauelement aus Schaumstoff |
DE4426627C2 (de) * | 1993-07-29 | 1997-09-25 | Fraunhofer Ges Forschung | Verfahren zur Herstellung eines metallischen Verbundwerkstoffes |
US5564064A (en) * | 1995-02-03 | 1996-10-08 | Mcdonnell Douglas Corporation | Integral porous-core metal bodies and in situ method of manufacture thereof |
DE19612781C1 (de) * | 1996-03-29 | 1997-08-21 | Karmann Gmbh W | Bauteil aus metallischem Schaumwerkstoff, Verfahren zum Endformen dieses Bauteils und Vorrichtung zur Ausführung des Verfahrens |
-
1998
- 1998-11-13 DE DE19852277A patent/DE19852277C2/de not_active Expired - Fee Related
-
1999
- 1999-11-13 DE DE59910641T patent/DE59910641D1/de not_active Expired - Fee Related
- 1999-11-13 EP EP99122624A patent/EP1000690B1/de not_active Expired - Lifetime
- 1999-11-13 AT AT99122624T patent/ATE277710T1/de not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006053300A1 (de) * | 2006-11-13 | 2008-05-15 | Bayerische Motoren Werke Ag | Sandwichbauteil |
Also Published As
Publication number | Publication date |
---|---|
DE19852277A1 (de) | 2000-05-25 |
EP1000690A3 (de) | 2001-01-24 |
ATE277710T1 (de) | 2004-10-15 |
EP1000690A2 (de) | 2000-05-17 |
DE19852277C2 (de) | 2000-12-14 |
DE59910641D1 (de) | 2004-11-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0460392B1 (de) | Verfahren zur Herstellung aufschäumbarer Metallkörper | |
DE4426627C2 (de) | Verfahren zur Herstellung eines metallischen Verbundwerkstoffes | |
EP0884123B1 (de) | Schäumbarer Metallkörper | |
DE4018360C1 (en) | Porous metal body prodn. - involves compaction at low temp. followed by heating to near melting point of metal | |
EP1000690B1 (de) | Verfahren zur Herstellung eines aufschäumbaren Halbzeuges sowie Halbzeug | |
DE60221658T2 (de) | Schäumfähige oder geschäumte metallagglomerate, teile und platten | |
WO2000038863A1 (de) | Verfahren und vorrichtung zur herstellung eines aus metallschaum und metallblech bestehenden profilteils | |
AT509981B1 (de) | Verfahren zur herstellung von verbundkörpern sowie danach hergestellte verbundkörper | |
EP0997215B1 (de) | Verfahren zur Herstellung eines metallischen Verbundwerkstoffs mit geschäumtem Kern | |
DE4424157C2 (de) | Verfahren zur Herstellung poröser metallischer Werkstoffe mit anisotropen thermischen und elektrischen Leitfähigkeiten | |
AT406649B (de) | Verfahren zur herstellung von porösen matrixmaterialien, insbesondere formkörpern, auf basis von metallen, und von halbzeug dafür | |
DE102007006156B3 (de) | Verfahren zur Herstellung eines Verbundkörpers und Zwischenprodukt zur Herstellung eines Verbundkörpers | |
DE10024004A1 (de) | Bauteil aus Verbundwerkstoff und Verfahren zu seiner Herstellung | |
WO2019053184A1 (de) | Verfahren zum schäumen von metall im flüssigkeitsbad | |
DE102017121512A1 (de) | Verfahren zum Schäumen von Metall mit Wärmekontakt | |
DE19847273B4 (de) | Verfahren zum Endformen eines aus einem im wesentlichen flächigen Halbzeug gebildeten Bauteils | |
DE19905124C1 (de) | Verfahren und Vorrichtung zur Herstellung eines Profilteils | |
DE102017207823B4 (de) | Verfahren zum Herstellen eines aufschäumbaren Halbzeugs | |
DE3421858A1 (de) | Verfahren zum herstellen eines poroesen koerpers aus rostfreiem stahl | |
WO2019053181A1 (de) | Verfahren zum schäumen von metall mit wärmekontakt | |
DE102017121511A1 (de) | Verfahren zur Herstellung eines Halbzeuges für einen Verbundwerkstoff | |
CA2473563A1 (en) | Foamable or foamed metal pellets, parts and panels | |
AU2002227822A1 (en) | Foamable or foamed metal pellets, parts and panels | |
CA2332674A1 (en) | A method for production of a foam metal | |
DE19956687A1 (de) | Verfahren zur Herstellung eines metallischen Verbundgegenstandes |
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: A2 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 |
Free format text: AL;LT;LV;MK;RO;SI |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 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 |
Free format text: AL;LT;LV;MK;RO;SI |
|
RIC1 | Information provided on ipc code assigned before grant |
Free format text: 7B 22F 3/11 A, 7B 22F 7/00 B |
|
17P | Request for examination filed |
Effective date: 20010301 |
|
AKX | Designation fees paid |
Free format text: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
17Q | First examination report despatched |
Effective date: 20030218 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040929 Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20040929 Ref country code: IE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040929 Ref country code: GB Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040929 Ref country code: FR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040929 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040929 Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040929 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: GERMAN |
|
REF | Corresponds to: |
Ref document number: 59910641 Country of ref document: DE Date of ref document: 20041104 Kind code of ref document: P |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20041113 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20041130 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20041130 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20041130 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20041130 |
|
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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20041229 Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20041229 Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20041229 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20050109 |
|
NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FD4D |
|
GBV | Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed] |
Effective date: 20040929 |
|
BERE | Be: lapsed |
Owner name: SCHUNK SINTERMETALLTECHNIK G.M.B.H. Effective date: 20041130 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
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 |
Effective date: 20050630 |
|
EN | Fr: translation not filed | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: AT Payment date: 20061123 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20061128 Year of fee payment: 8 |
|
BERE | Be: lapsed |
Owner name: *SCHUNK SINTERMETALLTECHNIK G.M.B.H. Effective date: 20041130 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050228 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20071113 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080603 |