EP1027179A1 - Verfahren und vorrichtung zum herstellen eines zahnrades - Google Patents
Verfahren und vorrichtung zum herstellen eines zahnradesInfo
- Publication number
- EP1027179A1 EP1027179A1 EP98949823A EP98949823A EP1027179A1 EP 1027179 A1 EP1027179 A1 EP 1027179A1 EP 98949823 A EP98949823 A EP 98949823A EP 98949823 A EP98949823 A EP 98949823A EP 1027179 A1 EP1027179 A1 EP 1027179A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- metal blank
- powder metal
- toothing
- tool
- pressing
- 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
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 95
- 239000000843 powder Substances 0.000 claims abstract description 93
- 238000003825 pressing Methods 0.000 claims abstract description 30
- 238000007906 compression Methods 0.000 claims description 30
- 230000006835 compression Effects 0.000 claims description 28
- 239000000314 lubricant Substances 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000005489 elastic deformation Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract 1
- 238000005056 compaction Methods 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000011148 porous material Substances 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 230000009931 harmful effect Effects 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 230000006735 deficit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/08—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H5/00—Making gear wheels, racks, spline shafts or worms
- B21H5/02—Making gear wheels, racks, spline shafts or worms with cylindrical outline, e.g. by means of die rolls
- B21H5/022—Finishing gear teeth with cylindrical outline, e.g. burnishing
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
-
- 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
- Y10T29/49462—Gear making
- Y10T29/49467—Gear shaping
- Y10T29/49471—Roll forming
Definitions
- the invention relates to a method for producing a gearwheel from a powder metal blank pressed and sintered with an oversize in the toothing area, which in the area of the oversize by pressing a counter toothing engaging in the toothing of the powder metal blank at least one circumferential pressing tool around the oversize under one plastic deformation is compressed, and on a device for performing the method.
- the surface layer in the engagement area of the gearwheel is compressed by means of a pusher tool in the form of at least one gearwheel which engages in the toothing of the Powder metal blank engaging external teeth. Since the driven gear of the pressing tool is pressed against the powder metal blank by a pressing device, the teeth of the powder metal blank are compressed in several revolutions via the counter-toothing of the pressing tool in the engagement area until the target contour of the toothing of the sintered gear is reached. Due to the kinematic conditions, sliding speeds occur between the flanks of the intermeshing teeth of the powder metal blank and the trigger tool during the rolling movement between the toothing of the powder metal blank and the counter toothing of the trigger tool along the line of engagement outside the pitch point.
- the invention is therefore based on the object to improve a method of the type described with simple means so that the teeth of the powder metal blank can be sufficiently compressed in the engagement area without fear of impairment of the compressed surface, particularly in the area of the tooth tips or tooth bases have to.
- the invention achieves the stated object in that the counter-toothing, embodied as an internal toothing, of the ring-shaped pressing tool surrounding the powder metal blank is pressed into the toothing of the powder metal blank with the aid of a pressing roller rolling on the outer circumference of the pressing tool.
- the invention takes advantage of the fact that the sliding speeds between the tooth flanks of the powder metal blank and the pusher tool that occur during tooth meshing are significantly lower with an internal toothing than with tooth meshing between two spur gears.
- the pressing force required for the compression is applied by a pressure roller, which rolls on the outer circumference of the pressing tool, so that the compression in the engagement area can take place again in several cycles if the compression in one cycle is not sufficient.
- the possible compression of the teeth of the powder metal blank in the area of the intended allowance depends on the particular material hardening which results from cold deformation of the powder metal blank during a calibration process preceding the compression or during the compression of the tooth surfaces themselves in the area of the allowance.
- the powder metal blank can be subjected to a heat treatment before compaction or between two compaction processes, in order to correspondingly reduce the resistance to deformation for the subsequent compaction.
- the harmful effects of the sliding movement of two flanks of intermeshing teeth could be reduced by using a lubricant.
- the advantages of the lower sliding friction made possible by the use of a lubricant When compacting the tooth surfaces in the engagement area can be exploited without impairing the compression of the tooth surfaces of the powder metal blank by lubricant penetrating into the pores, the powder metal blank can be fully compressed after pre-compression using a lubricant.
- the pre-compression must be carried out to an extent which results in the surface pores being largely closed, so that penetration of the lubricant into surface pores which is harmful to further compression can be ruled out during the use of lubricant.
- a device which is provided with a receiving shaft for the powder metal blank, with a pusher tool with counter teeth in the toothing of the powder metal blank and with a pressing device for the pusher tool on the powder metal blank.
- the pusher tool consisting of an inner ring gear enclosing the powder metal blank is guided between the powder metal blank and a pressure roller of the pressure device which is axially parallel to the powder metal blank.
- the inner ring of the pusher tool acts as a pressure transmission body between the pressure roller and the powder metal blank, so that the pusher tool is only loaded in the engagement area, which has an advantageous effect on the service life of the pusher tool.
- the pusher tool enclosing the powder metal blank with play in order to insert the powder metal blank into the pusher tool or to push the pusher tool on to facilitate the powder metal blank.
- the pressure device has at least two pressure rollers, which are preferably arranged rotationally symmetrically with respect to the receiving shaft of the powder metal blank, at least during one revolution two compression steps are carried out, but only if the internal ring gear of the pressing tool permits a corresponding elastic deformation via the pressure rollers.
- the rotationally symmetrical arrangement of the pressure rollers avoids the transfer of part of the compression pressure via the bearing of the take-up shaft.
- FIG. 1 shows a device according to the invention for producing a gearwheel from a pressed and sintered powder metal blank in a schematic side view
- FIG. 2 shows an embodiment of a device according to the invention modified from FIG. 1, likewise in a schematic side view
- FIG. 3 shows a gearwheel produced according to FIG. 2 and compressed in the engagement area on the tooth surface before removal from the pressing tool.
- the powder metal blank 1 to be machined is clamped on a receiving shaft 2 before the pressing tool 3 is pressed onto the powder metal blank 1 with the aid of a pressure roller 4 via a pressure device 5, for example via a hydraulic cylinder 6 which can be subjected to a predetermined pressure becomes.
- the pusher tool 3 consists of an internal ring gear 7 which forms counter teeth 8 for the teeth 9 of the powder metal blank 1.
- the pressure roller 4 of the pressing tool 5 rolls on the outer circumference 10 of the internal ring gear 7, the teeth of the counter toothing 8 being pressed into the tooth spaces of the toothing 9 of the powder metal blank 1.
- the teeth of the powder metal blank 1 were sintered with a corresponding allowance in the flank or foot area, the teeth of the counter toothing 8 of the trigger tool 3, however, for example the nominal dimension of the teeth of the toothing 9 of the finished gear correspond, the tooth flanks or the tooth feet are compressed in the area of the allowance by the pressed teeth of the trigger tool 3 with plastic deformation. The compression takes place gradually because the powder metal blank 1 is driven via the receiving shaft 2, so that the powder metal blank 1 rolls in the counter-toothing 8 of the pressing tool 3, which is guided between the powder metal blank 1 and the pressure roller 4.
- the sliding speeds between the flanks and counter flanks of the intermeshing toothings 8, 9 in the region of the line of engagement outside the pitch point can be limited to a degree, the cracks or material flaking in the area of the compressed tooth surfaces of the powder metal blank 1, especially since the concave flanks of the counter toothing 8 of the trigger tool 3 result in more favorable conditions with regard to the pressure load on the toothing 9 of the powder metal blank 1 compared to an external toothing.
- the sliding movement between the tooth flanks of the toothing 9 of the powder metal blank 1 and the counter toothing 8 of the trigger tool 3 depends on the diameter ratio of the pitch circles 11, 12 of the trigger tool 3 and the powder metal blank 1.
- the number of teeth of the pressing tool 3 and the powder metal blank 1 can be the same, as is shown in FIG. 2 .
- the pressing tool 3 in the area of a pressure roller 4 is only pressed against the toothing 9 of the powder metal blank 1, the pitch circles 11, 12 essentially coinciding.
- a play 13 In order to be able to attach the pusher tool 3 to the powder metal blank 1, a play 13 must be present between the teeth 8 and 9, which is overcome when a pressure roller 4 is placed on the internal ring gear 7.
- a compression of the teeth of the toothing 9 of the powder metal blank 1 in the region of the two pressure rollers 4 is only possible with an elastic deformation of the pressure tool 3, the transverse to the pressure attack of the pressure rollers 4 is expanded with the effect that the game between the teeth 8 and 9 increases with increasing distance from the pressure rollers 4.
- the surface compression of the toothing 9 of the powder metal blank 1 again takes place in several cycles, the number of which, however, can only be reduced correspondingly in comparison to a compression in the area of a peripheral point. Since the play 13 between the toothing 9 of the powder metal ring 1 and the counter toothing 8 of the pusher tool 3 is increased due to the compression of the tooth flanks or tooth feet, removal of the finished gearwheel from the pusher tool 3 is readily possible.
- the invention is of course not limited to the exemplary embodiments shown.
- the compression in the area of the tooth flanks or the tooth feet of the toothing 9 of the powder metal blank could be carried out with the aid of two or more different pusher tools in order to ensure specific compression ratios via the particular configuration of the counter toothing of the individual pusher tools.
- the powder metal blank could be subjected to an intermediate treatment, for example by blasting, brushing or by heat treatment, which under certain circumstances allows particularly advantageous starting conditions for the subsequent pressing process. After appropriate surface compaction, further compaction can also be carried out using a lubricant.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
- Gears, Cams (AREA)
- Gear Transmission (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0183697A AT406836B (de) | 1997-10-30 | 1997-10-30 | Verfahren und vorrichtung zum herstellen eines zahnrades |
AT183697 | 1997-10-30 | ||
PCT/AT1998/000260 WO1999022890A1 (de) | 1997-10-30 | 1998-10-27 | Verfahren und vorrichtung zum herstellen eines zahnrades |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1027179A1 true EP1027179A1 (de) | 2000-08-16 |
EP1027179B1 EP1027179B1 (de) | 2002-12-18 |
Family
ID=3522068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98949823A Expired - Lifetime EP1027179B1 (de) | 1997-10-30 | 1998-10-27 | Verfahren und vorrichtung zum herstellen eines zahnrades |
Country Status (10)
Country | Link |
---|---|
US (1) | US6357272B1 (de) |
EP (1) | EP1027179B1 (de) |
JP (1) | JP3831896B2 (de) |
AT (2) | AT406836B (de) |
AU (1) | AU9615898A (de) |
BR (1) | BR9813890A (de) |
CA (1) | CA2307562C (de) |
CZ (1) | CZ299187B6 (de) |
DE (1) | DE59806760D1 (de) |
WO (1) | WO1999022890A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10250432B4 (de) * | 2002-10-30 | 2015-01-22 | PMG Füssen GmbH | Verfahren zum mechanischen Ausformen von Hinterlegungen an Sinterformteilen auf Eisenbasis |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3546002B2 (ja) * | 2000-08-29 | 2004-07-21 | 株式会社日立ユニシアオートモティブ | バルブタイミング制御装置の製造方法 |
AT412955B (de) | 2003-12-19 | 2005-09-26 | Miba Sinter Austria Gmbh | Verfahren zum herstellen eines zahnrades |
DE102005027048A1 (de) * | 2005-06-10 | 2006-12-14 | Gkn Sinter Metals Gmbh | Gesintertes Verzahnungselement mit lokal-selektiver Oberflächenverdichtung |
DE102005027137A1 (de) * | 2005-06-10 | 2006-12-14 | Gkn Sinter Metals Gmbh | Verzahnung aus Sintermaterial |
DE102005027054A1 (de) * | 2005-06-10 | 2006-12-28 | Gkn Sinter Metals Gmbh | Werkstück mit unterschiedlicher Beschaffenheit |
DE102005027144A1 (de) * | 2005-06-10 | 2006-12-14 | Gkn Sinter Metals Gmbh | Oberflächenverdichtung einer Verzahnung |
DE102005027049A1 (de) * | 2005-06-10 | 2006-12-14 | Gkn Sinter Metals Gmbh | Belastbare Verzahnung |
AT503037B1 (de) | 2006-05-04 | 2007-07-15 | Miba Sinter Austria Gmbh | Verfahren zum herstellen eines zahnrades |
US7832070B2 (en) * | 2006-08-03 | 2010-11-16 | Gm Global Technology Operations, Inc. | Apparatus and method for strengthening gear teeth |
JP4606395B2 (ja) * | 2006-09-11 | 2011-01-05 | ジヤトコ株式会社 | 冷間板金成形装置 |
JP2008068285A (ja) * | 2006-09-14 | 2008-03-27 | Nissan Motor Co Ltd | 微細凹部加工装置及び微細凹部加工方法 |
US20080282544A1 (en) * | 2007-05-11 | 2008-11-20 | Roger Lawcock | Powder metal internal gear rolling process |
GB0921896D0 (en) | 2009-12-16 | 2010-01-27 | Rolls Royce Plc | A method of manufacturing a component |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1881382A (en) | 1929-02-11 | 1932-10-04 | Wildhaber Ernest | Method of and means for perfecting gears and gear shaped articles |
DE1155080B (de) | 1957-05-31 | 1963-10-03 | Kellermann Fa Rudolf | Walzwerkzeug zum Herstellen der Verzahnung an einem Schneckenrad |
USRE26914E (en) | 1963-09-16 | 1970-06-23 | Apparatus for producing gear teeth or the like | |
DE1552190A1 (de) * | 1966-01-03 | 1971-02-18 | Rotary Profile Anstalt | Verfahren und Vorrichtung zur Herstellung von Gegenstaenden durch Rollen |
GB1210411A (en) * | 1967-01-26 | 1970-10-28 | Nat Res Dev | Improvements in or relating to forming of workpieces |
DD103015A1 (de) | 1972-03-07 | 1974-01-05 | ||
US3872701A (en) | 1973-10-09 | 1975-03-25 | Lear Siegler Inc | Method for roll finishing spur gears |
GB2050908B (en) | 1979-06-01 | 1983-09-14 | Rostov G Universit | Method of and device for hardening machine elements having projections |
US4414780A (en) * | 1981-08-21 | 1983-11-15 | Jorgensen Arne R | Gear burnishing and honing machine |
SU1174140A1 (ru) * | 1983-04-06 | 1985-08-23 | Ростовский-на-Дону научно-исследовательский институт технологии машиностроения | Устройство дл накатки зубчатых колес |
EP0463200A1 (de) * | 1990-06-25 | 1992-01-02 | Leifeld GmbH & Co. | Vorrichtung zur Erzeugung von eingeformten Konturierungen auf dem Aussenumfang von rotationssymmetrischen Werkstucken aus Blech sowie Verfahren zum Betreiben der Vorrichtung |
GB2250227B (en) * | 1990-10-08 | 1994-06-08 | Formflo Ltd | Gear wheels rolled from powder metal blanks |
US5711187A (en) * | 1990-10-08 | 1998-01-27 | Formflo Ltd. | Gear wheels rolled from powder metal blanks and method of manufacture |
JPH05161935A (ja) * | 1991-12-11 | 1993-06-29 | Tannami Kogyo Kk | 金属ドラム容器の天板素材のネジ加工用ローリング装置 |
DE4317306C2 (de) | 1993-05-26 | 1994-12-08 | Kapp Werkzeugmasch | Verfahren zur Feinbearbeitung der Zahnflanken von Zahnrädern |
DE19625285A1 (de) | 1996-06-25 | 1998-01-02 | Kapp Werkzeugmasch | Verfahren und Vorrichtung für die Feinbearbeitung der Zahnflanken eines Zahnrades auf einer Werkzeugmaschine |
-
1997
- 1997-10-30 AT AT0183697A patent/AT406836B/de not_active IP Right Cessation
-
1998
- 1998-10-27 WO PCT/AT1998/000260 patent/WO1999022890A1/de active IP Right Grant
- 1998-10-27 AU AU96158/98A patent/AU9615898A/en not_active Abandoned
- 1998-10-27 AT AT98949823T patent/ATE229856T1/de not_active IP Right Cessation
- 1998-10-27 CZ CZ20001591A patent/CZ299187B6/cs not_active IP Right Cessation
- 1998-10-27 DE DE59806760T patent/DE59806760D1/de not_active Expired - Lifetime
- 1998-10-27 EP EP98949823A patent/EP1027179B1/de not_active Expired - Lifetime
- 1998-10-27 US US09/530,336 patent/US6357272B1/en not_active Expired - Lifetime
- 1998-10-27 BR BR9813890-1A patent/BR9813890A/pt not_active IP Right Cessation
- 1998-10-27 JP JP2000518807A patent/JP3831896B2/ja not_active Expired - Fee Related
- 1998-10-27 CA CA002307562A patent/CA2307562C/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9922890A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10250432B4 (de) * | 2002-10-30 | 2015-01-22 | PMG Füssen GmbH | Verfahren zum mechanischen Ausformen von Hinterlegungen an Sinterformteilen auf Eisenbasis |
Also Published As
Publication number | Publication date |
---|---|
ATA183697A (de) | 2000-02-15 |
US6357272B1 (en) | 2002-03-19 |
CA2307562A1 (en) | 1999-05-14 |
AT406836B (de) | 2000-09-25 |
JP2001521824A (ja) | 2001-11-13 |
JP3831896B2 (ja) | 2006-10-11 |
CA2307562C (en) | 2008-01-22 |
EP1027179B1 (de) | 2002-12-18 |
WO1999022890A1 (de) | 1999-05-14 |
AU9615898A (en) | 1999-05-24 |
BR9813890A (pt) | 2000-09-26 |
DE59806760D1 (de) | 2003-01-30 |
ATE229856T1 (de) | 2003-01-15 |
CZ20001591A3 (cs) | 2001-07-11 |
CZ299187B6 (cs) | 2008-05-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AT406836B (de) | Verfahren und vorrichtung zum herstellen eines zahnrades | |
EP2131974A1 (de) | Verfahren und vorrichtung zur bearbeitung einer verzahnung an einem sinterteil | |
EP2012951B1 (de) | Verfahren zum herstellen eines zahnrades | |
DE3325037C1 (de) | Mit wenigstens einer Verzahnung versehener Sintermetallkoerper | |
EP1337358A1 (de) | Verfahren und vorrichtung zum herstellen eines zahnrades | |
WO2011057311A2 (de) | Walzwerkzeug | |
AT517751B1 (de) | Verfahren zur Herstellung eines Sinterzahnrades | |
DE102014112692A1 (de) | Kalibrierwerkzeug | |
AT505150B1 (de) | Mehrfachrad | |
WO2015124708A1 (de) | Verfahren und vorrichtung zur herstellung eines zahnrades nebst spannmittel | |
AT412955B (de) | Verfahren zum herstellen eines zahnrades | |
DE102018003433A1 (de) | Verfahren zum Verdichten der Innenverzahnung eines Zahnrades | |
DE1170894B (de) | Verfahren und Werkzeug zur Herstellung von Vertiefungen auf glatten Zahnflanken | |
WO2015090592A1 (de) | Pulvermetallurgisch hergestellte komponente | |
AT521968B1 (de) | Sinterzahnrad | |
DE19713440C2 (de) | Verfahren und Vorrichtung zur Herstellung eines rotationssymmetrischen Werkstücks | |
AT525165B1 (de) | Werkzeug zum Verdichten einer Wälzkörperrampe | |
AT526439B1 (de) | Verfahren zur Herstellung eines Bauteils mit einer Verzahnung | |
DE102021002526B3 (de) | Verfahren zur Herstellung einer Hohlwelle, eine damit hergestellte Hohlwelle sowie ein diesbezügliches Formgebungswerkzeug | |
AT521391B1 (de) | Schiebemuffe | |
DE3821168C1 (en) | Bearing arrangement | |
DE102020125328A1 (de) | Lagerbock | |
DE102022126742A1 (de) | Getriebe mit Welle mit additivem Druckkamm und Verfahren zur Herstellung einer Welle | |
DE102007021450A1 (de) | Verfahren und Vorrichtung zur Herstellung einer Verzahnung | |
DE102021110187A1 (de) | Streutopographie-walzen von pulvermetallzahnrädern |
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 |
|
17P | Request for examination filed |
Effective date: 20000508 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT CH DE ES FR GB IT LI SE |
|
17Q | First examination report despatched |
Effective date: 20010507 |
|
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 |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT CH DE ES FR GB IT LI SE |
|
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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20021218 |
|
REF | Corresponds to: |
Ref document number: 229856 Country of ref document: AT Date of ref document: 20030115 Kind code of ref document: T |
|
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 |
|
RAP2 | Party data changed (patent owner data changed or rights of a patent transferred) |
Owner name: MIBA SINTERMETALL GMBH |
|
REF | Corresponds to: |
Ref document number: 59806760 Country of ref document: DE Date of ref document: 20030130 Kind code of ref document: P Ref document number: 59806760 Country of ref document: DE Date of ref document: 20030130 |
|
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: 20030318 |
|
GBV | Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed] |
Effective date: 20021218 |
|
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: 20030627 |
|
ET | Fr: translation filed | ||
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 |
|
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: 20031027 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20031031 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20031031 |
|
26N | No opposition filed |
Effective date: 20030919 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20091028 Year of fee payment: 12 |
|
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: 20101027 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20121122 Year of fee payment: 15 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20140630 |
|
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: 20131031 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20171229 Year of fee payment: 20 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R071 Ref document number: 59806760 Country of ref document: DE |