EP1469972B1 - Festwalzgerät einer festwalzmaschine für kurbelwellen - Google Patents
Festwalzgerät einer festwalzmaschine für kurbelwellen Download PDFInfo
- Publication number
- EP1469972B1 EP1469972B1 EP02791800A EP02791800A EP1469972B1 EP 1469972 B1 EP1469972 B1 EP 1469972B1 EP 02791800 A EP02791800 A EP 02791800A EP 02791800 A EP02791800 A EP 02791800A EP 1469972 B1 EP1469972 B1 EP 1469972B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- deep
- roller head
- rolling
- axial
- backing
- 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
- 238000005096 rolling process Methods 0.000 title claims description 62
- 230000001154 acute effect Effects 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims description 7
- 238000003754 machining Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- 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
- B21H7/00—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons
- B21H7/18—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons grooved pins; Rolling grooves, e.g. oil grooves, in articles
- B21H7/182—Rolling annular grooves
- B21H7/185—Filet rolling, e.g. of crankshafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B39/00—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor
- B24B39/04—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor designed for working external surfaces of revolution
-
- 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
- Y10T29/17—Crankshaft making apparatus
Definitions
- the invention relates to a deep rolling device Deep rolling machine for crankshafts, the scissors construction is executed and in which two pivotable scissor arms one opposite each other Wear a deep rolling head or a support roller head, wherein the support roller head with two paraxial arranged support rollers is provided, whose axes of rotation lie in a common plane, with one Drive direction, which is the closing and opening movement of the deep rolling device and the deep rolling force generated.
- Deep rolling devices of the aforementioned type are known by German Patent DE 197 22 308 C1 (EP-0 881 041-A), the one Deep-rolling machine for crankshafts has the object.
- the construction of the known deep-rolling machine is like this designed that when closing each Festwalz advocatess first the support rollers of Support roller head and then the fixed rollers of the Deep rolling roller head to one of the main or Pleuellagerzapfen a crankshaft are pressed.
- the pivoting movement of the support roller and the Festwalzrollenkopfes in the closing sense is with the Danger that there is a collision of the Support roller and the deep rolling roller head with the Crankshaft can come in the area of an oil collar, as the Free spaces between the support roller and the Deep rolling head on the one hand and the two oil bundles of a main or connecting rod journal, on the other hand scarce are measured
- the invention is based on the object Deep rolling machine of the type mentioned in the form of that the pivoting movement of the Stauerrollen- and the Deep rolling roller head in the closing sense no Collision with the crankshaft in the area of an oil collar can trigger.
- this object is achieved in that the support roller head at least one axial guide having in the pivoting direction for closing the the support rollers carrying scissor arm in front of the Support rollers is arranged, the longitudinal axis of the Rotary axis of the crankshaft is vertical and in one Direction lies with which the plane of the axes of rotation of the Support rollers includes an acute angle, and whose axial width greater than the width of the support roller head and slightly smaller than the distance of the oil bundles of one Main or connecting rod journal is.
- the axial guide has a Distance from the common plane.
- a deep rolling machine 1 is provided with a drive device (not shown), which is for receiving a with a crankshaft transport device 2 in the Deep rolling machine 1 introduced crankshaft 3 is used.
- the drive device generates the rotational movement of the Crankshaft 3 about its axis 4 during the deep rolling of the Main 5 and connecting rod pin 6.
- the axis 4 is thus in the axis of rotation 7 of the drive device.
- the present embodiment is on the Deep rolling of a main journal 5 of the crankshaft 3 limited, as this explains the Invention subject is sufficient.
- the main journal 5 is a deep rolling machine. 8 associated with the scissors construction with two scissor arms 9, 10, a scissors fulcrum 11, a Drive device 12, a deep rolling roller head 13 and a support roller head 14 is provided.
- Scherenbauweise are the deep rolling head 13 and the Support roller head 14 individually in the direction along the Rotary axis 4 not displaceable. Rather, they are only in certain levels of the deep rolling machine 1 and arranged adjustable, which the respective position of the machining main journal 5 and connecting rod journal 6 along the axis of rotation 4 of the crankshaft 3 correspond. A Such level is shown for example in FIG. 3 and Fig. 4 shown.
- the drive device 12 for the deep rolling device 8 has an adjusting cylinder 15 and a power unit 16th
- the adjusting cylinder 15 generates the closing and Opening movement of the scissors 9 described above, 10 of the deep rolling device 8; the power unit 16 the Rolling force.
- the subdivision of the Cylinders 15 and 16 generated movements is a particularly narrow construction of the deep rolling device 8 receive.
- the deep rolling device 8 is connected via a pivot point 17 a pivotable about an axis 18 angle lever 19th hinged.
- the angle lever 19 can with the help of a Piston-cylinder unit 20 are pivoted.
- the piston-cylinder unit 20 By Operation of the piston-cylinder unit 20 is the Deep rolling machine 8 in and out of the working position brought, i. in the direction and opposite direction of the axis. 4 the crankshaft 3 moves.
- the deep rolling machine 1 is designed so that when Close the deep rolling device 8, the two first axially parallel arranged support rollers 21 and 22 of the Support roller head 14 and then the two fixed rollers 23 and 24 of the deep rolling roller head 13 on the Main journals 5 come to rest.
- the axial guide 27 is under a point Angle 37 is arranged between 0 and 45 ° to the plane 34, which the two axes of rotation 32 and 33 of the two Support rollers 21 and 22 includes.
- the longitudinal axis 41 of Axial guide 27 is the axis of rotation 4 of the crankshaft. 3 perpendicular (Fig. 5).
- the direction 38 of the longitudinal axis 41 of the axial guide 27th closes - geometrically seen - the axis of rotation 4 of Crankshaft 3 with a, i. the longitudinal axis 41 can around the Swivel axis 4 swing.
- a comparison of FIGS. 3 and 5 clearly shows the possibility.
- the direction 38 falls in the Section plane IV-IV, i. the acute angle is 37 0 ° and the axial guide 27 has from the level 34, in which are the two axes of rotation 32 and 33, a lateral distance s.
- the plane 34 and the direction 38 extend to each other parallel.
- the axial guide 27 is opposite the common plane 34 of the two axes of rotation 32 and 33rd the respective support rollers 21 and 22 under a point Angle 37 inclined greater than 0 °.
- This construction conditionally that when pivoting the support roller head 14th in the closed position in the direction of the pivoting movement 35, the axial guide 27 the two support rollers 21 and 22nd ahead hurries.
- the axial guide 27 occurs before the Support rollers 21 and 22 in the free space, by the Distance 29a of the two oil bundles 25 and 26 am Main journal 5 is circumscribed. This way will avoided that one of the support rollers 21 or 22 at Closing the deep rolling device 8 against one of the oil bundles 25 or 26 starts.
- the axial guide 27 may have different shapes. In FIG. 3, for example, it has a cylindrical shape Shape. In the figure 5, the axial guide 27 has a Multiple contour resulting from a prismatic body 39 composed with beveled edges 40. With the Support roller head 14 is the axial guide 27 through a Allen screw 42 attached. For trunnion 5, the one especially large width can have 29a, instead of one single axial guide 27 and two axial guides (not be shown) arranged side by side, wherein the one to the oil collar 25 and the second to the oil collar 26th invests.
- the Axial guide 27 equipped with lateral sliding bodies 43 be about the countersunk screws 44 with the body of the Axial guide 27 are screwed.
- the sliding body 43 can e.g. made of non-ferrous metal, Teflon, hardened or coated steel, which are particularly good Have sliding properties.
- the width 28 of the axial guide 27 is greater than the Width 29 of the support roller head 14 and slightly smaller than the distance 29a of the oil bundles 25, 26 of the Main Bearing Pin 5.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Rolling Contact Bearings (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
- Fig. 1 einen Schnitt durch eine Festwalzmaschine mit einer Teilansicht einer Kurbelwellentransportvorrichtung, wobei ein Festwalzgerät seine Öffnungsstellung gegenüber einer eingebrachten Kurbelwelle einnimmt,
- Fig. 2 den Schnitt durch die Festwalzmaschine und einen Schnitt durch einen Hauptlagerzapfen der Kurbelwelle, wobei das Festwalzgerät in seiner Schließstellung ist,
- Fig. 3 einen Ausschnitt A aus Fig. 2 in vergrößertem Maßstab,
- Fig. 4 einen Schnitt entsprechend der Linie IV - IV in Fig. 3,
- Fig. 5 einen Schnitt analog zur Fig. 3 mit einer besonderen Anordnung der Axialführung,
- Fig. 6 eine ersten Ausführungsform einer Axialführung im Längsschnitt,
- Fig. 7 eine Draufsicht auf die Ausführungsform nach der Fig. 6,
- Fig. 8 eine zweite Ausführungsform der Axialführung im Längsschnitt.
- 1
- Festwalzmaschine
- 2
- Kurbelwellentransportvorrichtung
- 3
- Kurbelwelle
- 4
- (Dreh-) Achse der Kurbelwelle
- 5
- Hauptlagerzapfen
- 6
- Pleuellagerzapfen
- 7
- Drehachse der Antriebsvorrichtung
- 8
- Festwalzgerät
- 9
- Scherenarm
- 10
- Scherenarm
- 11
- Scherendrehpunkt
- 12
- Antriebseinrichtung
- 13
- Festwalzrollenkopf
- 14
- Stützrollenkopf
- 15
- Verstellzylinder
- 16
- Kraftgerät
- 17
- Anlenkpunkt
- 18
- Achse
- 19
- Winkelhebel
- 20
- Kolben-Zylindereinheit
- 21
- Stützrolle
- 22
- Stützrolle
- 23
- Festwalzrolle
- 24
- Festwalzrolle
- 25
- Ölbund
- 26
- Ölbund
- 27
- Axialführung
- 28
- Durchmesser der Axialführung
- 29
- Breite des Stützrollenkopfes
- 29a
- Distanz der Ölbunde
- 30
- Freiraum
- 31
- Freiraum
- 32
- Achse der Stützrolle
- 33
- Achse der Stützrolle
- 34
- Ebene durch die Achsen 32 und 33
- 35
- Schwenkbewegung im Gegenuhrzeigersinn
- 36
- Schwenkbewegung im Uhrzeigersinn
- 37
- spitzer Winkel
- 38
- Richtung
- 39
- prismatischer Körper
- 40
- angefaste Kante
- 41
- Längsachse
- 42
- Imbusschraube
- 43
- seitlicher Gleitkörper
- 44
- Senkschraube
- s
- seitlicher Abstand
Claims (4)
- Festwalzgerät einer Festwalzmaschine für Kurbelwellen, das in Scherenbauweise ausgeführt ist und bei dem zwei schwenkbare Scherenarme einander gegenüberliegend jeweils einen Festwalzrollenkopf bzw. einen Stützrollenkopf tragen, wobei der Stützrollenkopf mit zwei achsparallel angeordneten Stützrollen versehen ist, deren Drehachsen in einer gemeinsamen Ebene liegen mit einer Antriebseinrichtung, die die Schließ- und Öffnungsbewegung des Festwalzgeräts sowie die Festwalzkraft erzeugt, dadurch gekennzeichnet, dass der Stützrollenkopf (14) wenigstens eine Axialführung (27) aufweist,die in der Schwenkrichtung (35) zum Schließen des die Stützrollen (21, 22) tragenden Scherenarmes (10) vor den Stützrollen (21, 22) angeordnet ist,deren Längsachse (41) zur Drehachse (4) der Kurbelwelle (3) senkrecht steht und in einer Richtung (38) liegt, welche mit der Ebene (34) der Drehachsen (32, 33) der Stützrollen (21, 22) einen spitzen Winkel (37) einschließt undderen axiale Breite (28) größer als die Breite (29) des Stützrollenkopfes (14) und geringfügig kleiner als die Distanz (29a) der Ölbunde (25, 26) eines Haupt- (5) oder Pleuellagerzapfens (6) ist.
- Festwalzgerät nach Anspruch 1, dadurch gekennzeichnet, dass der spitze Winkel (37) 0° beträgt und die Längsachse (41) der Axialführung (27) einen Abstand (s) von der Ebene (34) hat.
- Festwalzgerät nach Anspruch 1, dadurch gekennzeichnet, dass die Axialführung (27) eine prismatische, zylindrische, ballige oder aus unterschiedlichen geometrischen Abschnitten (39, 40) zusammengesetzte Kontur hat.
- Festwalzgerät nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass zwei Stützrollen (21, 22) jeweils mehrere Axialführungen (27) zugeordnet sind, deren jeweilige axiale Breite (28) kleiner als die Breite (29) des Stützrollenkopfes (14) ist und deren äußere Breite geringfügig kleiner ist als die Distanz (29a) der Ölbunde (25, 26) eines Haupt- (5) oder Pleuellagerzpafens (6).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20200926U | 2002-01-23 | ||
DE20200926U DE20200926U1 (de) | 2002-01-23 | 2002-01-23 | Festwalzgerät einer Festwalzmaschine für Kurbelwellen |
PCT/EP2002/013969 WO2003061906A1 (de) | 2002-01-23 | 2002-12-10 | Festwalzgerät einer festwalzmaschine für kurbelwellen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1469972A1 EP1469972A1 (de) | 2004-10-27 |
EP1469972B1 true EP1469972B1 (de) | 2005-06-08 |
Family
ID=7966844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02791800A Expired - Lifetime EP1469972B1 (de) | 2002-01-23 | 2002-12-10 | Festwalzgerät einer festwalzmaschine für kurbelwellen |
Country Status (5)
Country | Link |
---|---|
US (1) | US20050066699A1 (de) |
EP (1) | EP1469972B1 (de) |
CN (1) | CN1615205A (de) |
DE (2) | DE20200926U1 (de) |
WO (1) | WO2003061906A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008031876A1 (de) | 2006-09-15 | 2008-03-20 | Hegenscheidt-Mfd Gmbh & Co. Kg | Festwalzmaschine für kurbelwellen |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10361738B3 (de) * | 2003-12-29 | 2005-09-01 | Hegenscheidt-Mfd Gmbh & Co. Kg | Festwalzgerät einer Festwalzmaschine für Kurbelwellen |
EP1727648B1 (de) | 2004-02-27 | 2012-12-05 | Kecskeméti Föiskola Gamf Kar | Vorrichtung und verfahren zum entgraten und glattwalzen von maschinenteilen |
US7188500B2 (en) * | 2004-06-01 | 2007-03-13 | Ingersoll Cm Systems Llc | Apparatus and method of rolling split pin crankshafts |
DE102005014998B4 (de) * | 2005-04-01 | 2007-04-05 | Hegenscheidt-Mfd Gmbh & Co. Kg | Festwalzmaschine für Kurbelwellen |
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US4299017A (en) * | 1979-05-11 | 1981-11-10 | W. Hegenscheidt Gesellschaft Mbh | Apparatus for smooth rolling the bearing seats of crankshafts |
DE3224268C1 (de) * | 1982-06-28 | 1984-01-05 | Wilhelm Hegenscheidt Gmbh, 5140 Erkelenz | Maschine fuer die Bearbeitung von Kurbelwellen |
DE3682634D1 (de) * | 1985-08-30 | 1992-01-09 | Hegenscheidt Gmbh Wilhelm | Einrichtung zum walzen. |
US4822731A (en) * | 1986-01-09 | 1989-04-18 | Cetus Corporation | Process for labeling single-stranded nucleic acids and hybridizaiton probes |
US5047519A (en) * | 1986-07-02 | 1991-09-10 | E. I. Du Pont De Nemours And Company | Alkynylamino-nucleotides |
EP0604552B1 (de) * | 1991-09-18 | 1997-02-12 | Affymax Technologies N.V. | Verfahren zur synthese der verschiedenen sammlungen von oligomeren |
US5639603A (en) * | 1991-09-18 | 1997-06-17 | Affymax Technologies N.V. | Synthesizing and screening molecular diversity |
US5573905A (en) * | 1992-03-30 | 1996-11-12 | The Scripps Research Institute | Encoded combinatorial chemical libraries |
US5681943A (en) * | 1993-04-12 | 1997-10-28 | Northwestern University | Method for covalently linking adjacent oligonucleotides |
EP0695305B1 (de) * | 1993-04-12 | 2003-08-06 | Northwestern University | Verfahren zur darstellung von oligonukleotiden |
US5473060A (en) * | 1993-07-02 | 1995-12-05 | Lynx Therapeutics, Inc. | Oligonucleotide clamps having diagnostic applications |
US5571903A (en) * | 1993-07-09 | 1996-11-05 | Lynx Therapeutics, Inc. | Auto-ligating oligonucleotide compounds |
US5503805A (en) * | 1993-11-02 | 1996-04-02 | Affymax Technologies N.V. | Apparatus and method for parallel coupling reactions |
US6165778A (en) * | 1993-11-02 | 2000-12-26 | Affymax Technologies N.V. | Reaction vessel agitation apparatus |
US5575167A (en) * | 1994-01-03 | 1996-11-19 | Hegenscheidt Corporation | Deep rolling split-pin fillets of crankshafts |
US5605793A (en) * | 1994-02-17 | 1997-02-25 | Affymax Technologies N.V. | Methods for in vitro recombination |
US5843650A (en) * | 1995-05-01 | 1998-12-01 | Segev; David | Nucleic acid detection and amplification by chemical linkage of oligonucleotides |
US5830658A (en) * | 1995-05-31 | 1998-11-03 | Lynx Therapeutics, Inc. | Convergent synthesis of branched and multiply connected macromolecular structures |
US5780613A (en) * | 1995-08-01 | 1998-07-14 | Northwestern University | Covalent lock for self-assembled oligonucleotide constructs |
US5821356A (en) * | 1996-08-12 | 1998-10-13 | The Perkin Elmer Corporation | Propargylethoxyamino nucleotides |
WO1998006521A1 (de) * | 1996-08-14 | 1998-02-19 | Wf-Maschinenbau Und Blechformtechnik Gmbh & Co. Kommanditgesellschaft | Verfahren und vorrichtung zur herstellung eines aussen verzahnten getriebeteiles |
WO1998031700A1 (en) * | 1997-01-21 | 1998-07-23 | The General Hospital Corporation | Selection of proteins using rna-protein fusions |
DE19722308C1 (de) * | 1997-05-28 | 1998-04-16 | Hegenscheidt Mfd Gmbh | Festwalzmaschine für Kurbelwellen |
CA2291721C (en) * | 1997-05-28 | 2011-08-09 | Babraham Institute | Ribosome complexes as selection particles for in vitro display and evolution of proteins |
US20030004122A1 (en) * | 1997-11-05 | 2003-01-02 | Leonid Beigelman | Nucleotide triphosphates and their incorporation into oligonucleotides |
WO1999054458A1 (en) * | 1998-04-17 | 1999-10-28 | Whitehead Institute For Biomedical Research | Use of a ribozyme to join nucleic acids and peptides |
US5948648A (en) * | 1998-05-29 | 1999-09-07 | Khan; Shaheer H. | Nucleotide compounds including a rigid linker |
US6096875A (en) * | 1998-05-29 | 2000-08-01 | The Perlein-Elmer Corporation | Nucleotide compounds including a rigid linker |
DE29910214U1 (de) * | 1999-06-11 | 1999-09-02 | Hegenscheidt-MFD GmbH, 41812 Erkelenz | Festwalzgerät einer Festwalzmaschine für Kurbelwellen |
ATE360706T1 (de) * | 1999-07-27 | 2007-05-15 | Adnexus Therapeutics Inc | Peptidakzeptor ligationsverfahren |
US6593088B1 (en) * | 1999-08-27 | 2003-07-15 | Japan Science And Technology Corporation | Reversible photocoupling nucleic acid and phosphoroamidite |
DE10060218A1 (de) * | 2000-12-04 | 2002-06-13 | Hegenscheidt Mfd Gmbh & Co Kg | Festwalzmaschine für Kurbelwellen |
US6486949B2 (en) * | 2000-12-11 | 2002-11-26 | Corning Incorporated | Method and apparatus for evaluating the quality of an optical crystal |
JP4128453B2 (ja) * | 2001-03-19 | 2008-07-30 | プレジデント アンド フェロウズ オブ ハーバード カレッジ | 新規分子機能の進化 |
ITTO20010324A1 (it) * | 2001-04-04 | 2002-10-04 | Skf Ind Spa | Procedimento ed apparecchiatura di rollatura a freddo per la formatura di pezzi anulari. |
US7021100B2 (en) * | 2004-01-05 | 2006-04-04 | Hegenscheidt-Mfd Gmbh & Co. Kg | Deep-rolling apparatus of a deep rolling machine crankshafts |
-
2002
- 2002-01-23 DE DE20200926U patent/DE20200926U1/de not_active Expired - Lifetime
- 2002-12-10 DE DE50203387T patent/DE50203387D1/de not_active Expired - Fee Related
- 2002-12-10 US US10/501,793 patent/US20050066699A1/en not_active Abandoned
- 2002-12-10 WO PCT/EP2002/013969 patent/WO2003061906A1/de not_active Application Discontinuation
- 2002-12-10 EP EP02791800A patent/EP1469972B1/de not_active Expired - Lifetime
- 2002-12-10 CN CNA028275004A patent/CN1615205A/zh active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008031876A1 (de) | 2006-09-15 | 2008-03-20 | Hegenscheidt-Mfd Gmbh & Co. Kg | Festwalzmaschine für kurbelwellen |
Also Published As
Publication number | Publication date |
---|---|
DE50203387D1 (de) | 2005-07-14 |
DE20200926U1 (de) | 2002-04-18 |
US20050066699A1 (en) | 2005-03-31 |
WO2003061906A1 (de) | 2003-07-31 |
EP1469972A1 (de) | 2004-10-27 |
CN1615205A (zh) | 2005-05-11 |
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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 |
|
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