EP1211068B1 - Verfahren zur Reduzierung von Vibrationen in einer Druckmaschine - Google Patents

Verfahren zur Reduzierung von Vibrationen in einer Druckmaschine Download PDF

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Publication number
EP1211068B1
EP1211068B1 EP01126459A EP01126459A EP1211068B1 EP 1211068 B1 EP1211068 B1 EP 1211068B1 EP 01126459 A EP01126459 A EP 01126459A EP 01126459 A EP01126459 A EP 01126459A EP 1211068 B1 EP1211068 B1 EP 1211068B1
Authority
EP
European Patent Office
Prior art keywords
plate cylinder
contact roll
printing machine
lateral position
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01126459A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1211068A3 (de
EP1211068A2 (de
Inventor
Gerald Roger Douillard
Mark Bernard Dumais
Michael Thomas Woroniak
John A. Manley
John Antonios Panteleos
Charles Francis Svenson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goss International Americas LLC
Original Assignee
Goss International Americas LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US09/727,994 external-priority patent/US6526888B2/en
Application filed by Goss International Americas LLC filed Critical Goss International Americas LLC
Publication of EP1211068A2 publication Critical patent/EP1211068A2/de
Publication of EP1211068A3 publication Critical patent/EP1211068A3/de
Application granted granted Critical
Publication of EP1211068B1 publication Critical patent/EP1211068B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/15—Devices for moving vibrator-rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/085—Cylinders with means for preventing or damping vibrations or shocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2213/00—Arrangements for actuating or driving printing presses; Auxiliary devices or processes
    • B41P2213/40—Auxiliary devices or processes associated with the drives
    • B41P2213/42—Vibration-dampers for machine parts

Definitions

  • the present invention relates to a method for reducing vibrations in a printing press according to the preamble of claims 1 and 9, and to a printing press according to the preamble of claim 10.
  • Previous measures to reduce the vibration caused by the distributor rollers and their effects are to use a separate motor that drives the lateral movement of the distributor rollers, so that caused by the distributor roller oscillation torque disturbances can be isolated from the drive of the printing unit or the lateral Movement can be driven so that the phases of the individual distributor rollers to each other adjusted, that can be set to desired values.
  • the phase position of the various is the individual plate cylinders associated distributor rollers usually not controllable; especially not when the individual plate cylinders are driven by separate motors. If z. B. changes during the adjustment of the circumferential register, the phase position of the individual distributor rollers, amplified vibrations can arise, resulting in the aforementioned defects.
  • JP 8-276562 describes a dynamic dampening unit for reducing oscillations caused by an oscillating roller. There appears to be no change in the phase of the axial oscillation. Moreover, the purpose of the device does not appear to be to reduce vibrations in the printing machine, but to change the oscillation length of the distributor rollers.
  • An inventive method for reducing vibrations in a printing press which has a first plate cylinder and a second plate cylinder, which are independently adjustable register, wherein the first plate cylinder with at least one laterally oscillating first distributor roller and the second plate cylinder with at least one laterally oscillating second distributor roller in An operative connection is characterized in that a lateral position of the first distributor roller with respect to the second distributor roller is determined and that the first plate cylinder is rotated relative to the second plate cylinder in such a way that the lateral position of the first distributor roller is changed with respect to the second distributor roller.
  • the circumferential register of the corresponding plate cylinder is preferably not changed by the rotation of the first or second plate cylinder.
  • the first or second plate cylinder is preferably rotated by a plurality of single turns of 360 °.
  • a desired phase shift between the first and the second distributor roller can be determined, wherein the first or second plate cylinder is rotated to achieve the desired phase shift by several individual rotations of 360 °.
  • the determination of the phase position between the first and the second distributor roller can be based in particular on calculations based on mathematical models, on simulations or on empirical data.
  • the lateral position of the first distributor roller may preferably be fed to a controller which controls the rotational movement of the plate cylinder.
  • a desired phase shift can also be advantageously determined on the basis of a measurement of the actual vibrations.
  • the cause of the vibrations may be an undesirable unfavorable phase position between at least two distributor rollers and it is possible to eliminate or at least reduce the vibrations by correcting the phase position.
  • the first distributor roller is preferably 180 ° out of phase after rotation of the plate cylinder to the second distributor roller.
  • a further embodiment of a method according to the invention for reducing vibrations in a printing press comprising a first plate cylinder and a second plate cylinder, which are independently registerable, wherein the first plate cylinder with at least a first laterally oscillating distributor roller and the second plate cylinder with at least one second laterally operatively connected to oscillating distributor roller, characterized in that a desired lateral position of the first distributor roller relative to the second distributor roller in dependence on actual or predicted or calculated vibrations of the printing machine is determined, and that the first plate cylinder rotated with respect to the second plate cylinder in the manner is that the desired lateral position of the first distributor roller with respect to the second roller is adjusted.
  • the lateral position of the second distributor roller is determined.
  • the first and / or the second plate cylinder can be brought into a parked position during the change or adjustment of the lateral position of at least one of the two distributor rollers.
  • the first and second plate cylinders may be brought to a desired perimeter register setting prior to initial reset of the counters.
  • a printing machine comprises a first plate cylinder, at least one first distributor roller, which is in operative connection with the first plate cylinder, which is part of an inking unit or a dampening unit and which moves sideways by a certain distance with each revolution of the first plate cylinder second plate cylinder adjustable from the first plate cylinder in the circumferential direction for register adjustment, at least one second dressing roller operatively connected to the second plate cylinder forming part of another inking unit or dampening unit and moving laterally by a certain distance during each revolution of the second plate cylinder moves, at least one sensor for detecting the lateral position of the first distributor roller with respect to the second distributor roller and / or the vibration of the printing press or at least one frame of the printing press, and a controller receiving an input from the at least one sensor and the first plate cylinder with respect to rotates second plate cylinder in such a way that the phase position of the first distributor roller and the second distributor roller is changed in response to the input.
  • first blanket cylinder connected to the first plate cylinder and a second blanket cylinder connected to the second plate cylinder may be provided.
  • the printing press may comprise a first motor driving at least the first plate cylinder and the first distributor roller and a second motor driving at least the second plate cylinder and the second distributor roller.
  • At least one third distributor roller can be provided, which is in operative connection with the first plate cylinder.
  • a sensor may be provided for detecting the lateral position of the first distributor roller, while a second sensor for detecting the lateral position of the second distributor roller may be provided.
  • the at least one sensor may further comprise an accelerometer for detecting the vibrations.
  • a first counter which in conjunction with a first, the first plate cylinder associated first encoder or angle sensor counts revolutions of the first plate cylinder and a second counter, which in cooperation with a second, the second plate cylinder associated second encoder or angle sensor revolutions of the second plate cylinder (22) counts.
  • the encoder or parts of the encoder may be attached to the shaft of the associated plate cylinder and work, for example optically via the detection of a counting pattern or magnetically by means of a magnet mounted on the shaft, whose passing motion is counted on a detector.
  • Fig. 1 shows an offset printing machine 1 with a first printing couple cylinder pair 10 and a second printing couple cylinder pair 20 of a first printing unit 5.
  • a web 5 passes between the printing couple cylinder pairs 10 and 20 and is printed on both sides.
  • the first printing couple cylinder pair 10 comprises a first plate cylinder 12 and a first blanket cylinder 14.
  • On the first plate cylinder 12 a flat offset printing plate mounted in an axially extending gap of the first plate cylinder 12 is preferably applied.
  • z. B. digitally imageable plate cylinder conceivable.
  • On the first blanket cylinder 14 is preferably an axially aufziehbares, sleeve-shaped blanket applied.
  • the second printing couple cylinder pair 20 similarly includes a second plate cylinder 22 and a second blanket cylinder 24. The second plate cylinder 22 is driven independently of the first plate cylinder 12.
  • the material web 5 is then moved to a second printing unit 7 with a plate cylinder 112 and 114, wherein the printing unit 7 as well as the printing unit 6 can be provided in each case for printing the material web with a specific ink.
  • Fig. 2 shows a representation of the printing press 1 in a sectional view along the in Fig. 1 shown lines AA and BB, with only the distributor rollers of the inking unit and the dampening unit are shown for reasons of clarity.
  • the first plate cylinder 12 and the first blanket cylinder 14 may be driven by a first motor 31 and a first gear 33, while the second plate cylinder 22, a second gear 34 and the second blanket cylinder 24 are driven by an independent second motor 32.
  • the plate cylinders 12, 22 can be adjusted by the respective motor 31, 33 independently of each other in the circumferential direction, for example, for circumferential register adjustment.
  • z. B a three-motor arrangement in which the first plate cylinder 12 is driven by a first motor, the two blanket cylinders 14, 24 are driven by a second motor and the second plate cylinder 22 is driven by a third motor.
  • a single-motor arrangement is possible; In this case, z. B. a helical gear for changing the phase position of the plate cylinder 12 and 22 are used.
  • the printing press 1 comprises a first inking unit 40 associated with the first plate cylinder 12 and a first dampening unit 60 associated with the first plate cylinder 12 and a second inking unit 50 associated with the second plate cylinder 22 and a second dampening unit 70 associated with the second plate cylinder 22 and 50 direct ink from an ink fountain onto the respective plate cylinder 12, 22, while the dampening units 60, 70 supply fountain solution to the respective plate cylinder 12, 22.
  • the images formed on the printing plates carried by the plate cylinders 12, 22 are transferred to the respective associated blanket cylinder 14, 24 and subsequently printed on one side of the web 5.
  • the first inking unit 40 includes a first inking roller 42 and a second inking roller 44, both of which rotate and move laterally as the plate cylinder 12 rotates.
  • the first inking unit 40 is driven by the first motor 31, so that the first plate cylinder 12 is connected via the first gear 33 with the inking rollers 42 and 44.
  • the distributor rollers 42, 44 are z. B. coupled in such a way that they move in each revolution of the first plate cylinder 12 by 0.154 oscillation in the lateral direction (axially).
  • a vibration is defined as a complete lateral reciprocation of the friction rollers.
  • An oscillation length is defined as the distance from a zero position to the maximum distance.
  • a vibration also means a 360 ° movement in the circumferential direction.
  • the inking rollers 42, 44 thus perform a complete lateral or lateral vibration and return to their original position, while the first plate cylinder 12 performs six and a half revolutions.
  • the first inking roller 42 preferably moves sideways by a value ND, with 360 divided by ND not giving an integer. In this way, an unlimited number of phase angles between the first inking roller 42 and the second inking roller 52 can be achieved. However, if 360 divided by ND gives an integer, it is preferably greater than 2.
  • the first inking unit 40 includes other inking rollers, which do not move laterally, but only rotate.
  • the lateral vibration of the first and third ink driver rollers 42, 44 assists in the formation of a uniform ink layer on the plate cylinder 12.
  • Ink fountain rollers 42, 44 preferably have the same mass (eg, about 60 kg), a vibrational length of about 19 mm, and a phase shift of 120 ° from each other, as well as a first fountain fountain roller 62 of a first dampening system 60.
  • Ink fountain rollers 42, 44 and Dampening agent roller 62 thus move partially in different directions, as indicated by the arrows 242, 244 and 246.
  • these distributor rollers 42, 44 and 62 are arranged at different heights and can have a different weight and / or different oscillation lengths, the movement of the three distributor rollers 42, 44, 62 produces a net oscillation with high probability.
  • the first dampening unit 60 for the first plate cylinder 12 comprises the individual distributor roller 62, which supports a uniform distribution of the dampening solution (eg water) on the first plate cylinder 12.
  • the first dampening unit may comprise further fountain roller rollers and / or further rollers which do not move laterally.
  • the first dampening drive roller 62 is also coupled to the first motor 31 driving the first plate cylinder 12 and moves 120 ° apart with respect to the lateral movement of the individual inking rollers 42, 44.
  • the oscillation length and weight of the fountain roller drive roller 62 may differ from the oscillation length and Weight of the ink fountain rollers 62 differ.
  • the dampening agent roller 62 may, for. B. weigh 61 kg and have a predetermined vibration length of 19 mm, while the vibration length of the ink roller rollers 42, 44 may be variable.
  • the second inking unit 50 and the second dampening unit 70 of the second plate cylinder 22 also each comprise distributor rollers 52, 54 and 72, respectively. These distributor rollers 52, 54 and 72 are coupled to the second drive motor 32 of the plate cylinder 22 via the gear mechanism 34. The rollers 52, 54 and 72 are preferably out of phase with each other by 120 °.
  • the second inking roller 52 is preferably 180 ° out of phase with the first inking roller 42 so that the fourth inking roller 54 is 180 ° out of phase with the third inking roller 44 and the first dampening medium roller 62 180 ° out of phase with the second fountain roller 72. Since the second inking roller 52 and the first inking roller 42, fourth Farbreiberwalze 54 and the third Farbreiberwalze 44 and the second dampening drive roller 72 and the first dampening drive roller 62 each have a similar height, this in-phase arrangement according to mathematical models should minimize or even eliminate the vibrations. The rollers 52, 54, 72 thus move in the opposite direction to the rollers 42, 44, 62.
  • Sensors 142, 144, 152, 162 and 172 can be provided which detect a lateral position of the respective roller 42, 44, 52, 54, 62, 72.
  • These sensors are preferably designed as proximity sensors, for example, preferably as magnetic proximity sensors, which detect a specific position of the distributor roller, for example the position of the maximum deflection of the distributor roller, this position being used as a reference position.
  • a single sensor 172 may be provided for the second inking unit 50 and the second dampening unit 70.
  • a single sensor is also sufficient to determine the lateral position of the rollers 42, 44 and 62.
  • the incremental encoders 82 and 182 attached to the plate cylinders 12 and 22 may each be used to determine the number of rotations of each plate cylinder 12 and 22.
  • High speed counters 81, 181 each count continuously the pulses generated by the encoders 82 and 182 during the continuous rotation of the plate cylinders, the encoders preferably producing more than 1000 signals per cylinder revolution.
  • the exact position of the plate cylinder can be determined, whereby it is possible to determine the exact lateral position of the distributor roller, since the plate cylinder and the distributor roller are coupled by transmission technology and a reference position of the distributor roller, for example the position of their maximum deflection, through top described sensors can be determined.
  • Fig. 3 shows a flowchart of a preferred method of the present invention.
  • step 401 the printing press is operated at a fixed processing speed, for example about 10 to 15 meters per minute, and this speed, which is reduced compared to the regular production speed of the machine, is maintained during the subsequent process steps.
  • a second method step 402 the pressure is interrupted, that is, the blanket cylinders are turned off by the material web to be processed.
  • the plate cylinders can be turned off by the blanket cylinders.
  • This shutdown of the cylinder may affect at least the printing units 6 and 7, but typically at least four such printing units are arranged one above the other in a printing tower.
  • For further transport of the material web remains at least one printing unit in the printing state, that is, the blanket cylinder of this printing unit are not parked from the web and thus can continue to pull the web through the machine.
  • a signal is sent to the controller 80 (see FIG Fig. 2 ) are sent and the disk cylinder in the parked state spent in a circumferential register position in which a desired circumferential register setting was last given, that is, in which a desired print quality could be generated.
  • the plates of the plate cylinders involved are properly adjusted with respect to the circumferential register.
  • the lateral positions of the distributor rollers are determined, for example, for each distributor roller connected to the parked plate cylinder.
  • the respective high-speed counters 82 and 182 are reset to a zero value.
  • Each subsequent revolution of the associated plate cylinder 12 or 22 increases the value of the counter by one unit.
  • the values of the counters from the relevant printing cylinders are frozen, that is, for example, read out and buffered and made available to further method steps.
  • the exact position or phase position of the distributor rollers, for example rollers 62 and 72, can be determined from these counter values.
  • a plate cylinder 12 or 22 may be rotated 360 ° in a particular direction, because this causes the distributor rollers, such as the distributor rollers 62 or 72, associated with the plate cylinder to be brought closer to a condition by causing the plate rollers to rotate 180 ° out of phase without affecting the circumferential register setting. If the opposing distributor rollers 62 and 72 are more than two revolutions of the associated plate cylinder away from the desired phase difference, one plate cylinder 12 can be rotated in a certain direction (eg forward) and another plate cylinder 22 in the opposite direction (backward).
  • a certain direction eg forward
  • another plate cylinder 22 in the opposite direction (backward).
  • the settings have been made for one or more printing units in the parked state, they may be brought back to the salaried condition, that is, the condition in which they are printing the web. Further printing units that have not been adjusted by then, for example because they are still in the salaried position for transporting the material web, can now be guided in the switched-off state and run through the sequence of method steps 401 to 405.
  • a desired phase shift between the distributor rollers 42, 44 and 62 of the first printing unit 10 and the distributor rollers 52, 54 , 72 of the second printing unit 20 assume different values, which reduces vibrations of the printing press. The determination can be made on the basis of mathematical calculations or test results. If z. B.
  • the distributor rollers 42, 44 and 62 of the first printing unit 10 have a similar position, a similar weight and a similar vibration length as the distributor rollers 52, 54, 72 of the second printing unit, it can be foreseen that a phase shift of the rollers from 180 ° to a Minimizing the vibration would cause as the roller 42 moves in the direction opposite to the roller 52 direction, the roller 44 in the direction opposite to the roller 54 and the roller 62 in the direction opposite to the roller 72 direction.
  • Mathematical models can also be used to determine a desired phase shift of the rollers 42 and 25 when the rollers are at different heights.
  • a resulting moment M for 24 friction rollers in a back pressure tower can, for. B.
  • an accelerometer preferably a zero-frequency accelerometer
  • a vibration sensor 300 may be arranged on a frame 301 of the printing machine 1. In this manner, a desired phase shift corresponding to a minimum vibration in the printing machine 1 can be determined.
  • the printing machine 1 further comprises a controller 80 which receives inputs from the sensors 142, 144, 152, 154, 162, 172 and counters 81 and 181 and controls the engine drive and the motors 31 and 32.
  • the controller 80 may include one or more processors, e.g. B. Intel Pentium processors and their successors.
  • the first motor 31 drives the first plate cylinder 12. Accordingly, the controller 80 can cause adjustment of the circumferential register of the first plate cylinder via the motor 31.
  • the circumferential register of the second plate cylinder 22 is reached via the motor 32 and the controller 80.
  • one of the plate cylinder 21 or 22 is rotated without changing its circumferential register in a clockwise or counterclockwise direction, for. B. by a total rotation of 360 ° as in step 405 of Fig. 3 shown.
  • the first plate cylinder 12 may, for. B. be rotated 360 °.
  • the roller 42 (and the rollers 44 and 62) moves by one certain way sideways, z. B. by 0.154 a vibration length.
  • At least one z. B. trained as an accelerometer vibration sensor 300 may be disposed on the frame of the printing press 1.
  • the printing machine 1 is put into operation and the degree of vibration of the printing machine or a frame part of the printing machine is measured. If the vibration exceeds a desired limit, the phase of the rollers 24 and 52 is changed to achieve minimum vibration or vibration below a certain threshold. Then the production run of the machine can begin.
  • plate cylinder includes all types of image cylinders, including, for. As well as a digitally imageable cylinder without pressure plate.
  • the desired phase shift may be an approximation that puts the press below a maximum operating swing.
  • the desired phase shift can accordingly z. B. be set to a value within a fault tolerance of, for example, 6 °.
  • Fig. 1 only a single printing unit was explained in more detail; However, it is clear from the drawing that a further printing unit can be arranged above the first printing unit.
  • a further printing unit can be arranged above the first printing unit.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Printing Methods (AREA)
EP01126459A 2000-12-01 2001-11-09 Verfahren zur Reduzierung von Vibrationen in einer Druckmaschine Expired - Lifetime EP1211068B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US727994 1985-04-29
US09/727,994 US6526888B2 (en) 2000-12-01 2000-12-01 Reduced vibration printing press and method
US09/948,274 US6615726B2 (en) 2000-12-01 2001-09-06 Reduced vibration printing press and method
US948274 2001-09-06

Publications (3)

Publication Number Publication Date
EP1211068A2 EP1211068A2 (de) 2002-06-05
EP1211068A3 EP1211068A3 (de) 2003-11-26
EP1211068B1 true EP1211068B1 (de) 2009-12-30

Family

ID=27111620

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01126459A Expired - Lifetime EP1211068B1 (de) 2000-12-01 2001-11-09 Verfahren zur Reduzierung von Vibrationen in einer Druckmaschine

Country Status (7)

Country Link
EP (1) EP1211068B1 (zh)
JP (1) JP2002205376A (zh)
CN (1) CN1246147C (zh)
CZ (1) CZ20013876A3 (zh)
DE (1) DE10154810A1 (zh)
HK (1) HK1048091B (zh)
RU (1) RU2236946C2 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7096789B2 (en) * 2004-05-04 2006-08-29 Goss International Americas, Inc. Web printing press and method for controlling print-to-cut and/or circumferential register
DE102005029142B4 (de) * 2005-06-23 2008-07-17 Koenig & Bauer Aktiengesellschaft Druckeinheit sowie ein Verfahren zur Einstellung der Druckeinheit
DE102006004967A1 (de) * 2006-02-01 2007-08-02 Heidelberger Druckmaschinen Ag Verfahren zur aktiven Kompensation von Schwingungen in einer Bedruckstoff verarbeitenden Maschine und Bedruckstoff verarbeitende Maschine
DE102006030290B3 (de) * 2006-03-03 2007-10-18 Koenig & Bauer Aktiengesellschaft Druckwerk
US8943969B2 (en) * 2008-02-26 2015-02-03 Maria Teresa A. Castillo Flexo cushion
DE102008022634A1 (de) * 2008-05-08 2009-11-12 Manroland Ag Verfahren zum Betreiben einer Druckmaschine
JP5243120B2 (ja) * 2008-07-09 2013-07-24 トッパン・フォームズ株式会社 印刷機
CN101954785B (zh) * 2010-09-07 2013-07-10 高斯图文印刷系统（中国）有限公司 用于印刷机的两侧串辊的相位自动对准系统
DE102012022881A1 (de) * 2012-11-23 2014-05-28 Gallus Druckmaschinen Gmbh Druckwerk mit Dämpfungselementen
DE102022128113A1 (de) 2021-12-14 2023-06-15 Heidelberger Druckmaschinen Aktiengesellschaft Reibwalzensteuerung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5672960A (en) * 1979-11-19 1981-06-17 Tokyo Kikai Seisakusho:Kk Vibrator device of ink cylinder in rotary printer
JP2557791B2 (ja) * 1993-07-26 1996-11-27 株式会社東京機械製作所 印刷機械のインキング装置
DE4416974C3 (de) * 1994-05-13 2000-01-05 Heidelberger Druckmasch Ag Offsetrotations-Bogendruckmaschine mit mehreren Druckwerken in Reihenbauweise
JPH1199630A (ja) * 1997-09-29 1999-04-13 Mitsubishi Heavy Ind Ltd 揺動ローラの揺動位相制御装置

Also Published As

Publication number Publication date
CN1359796A (zh) 2002-07-24
HK1048091B (zh) 2006-09-08
EP1211068A3 (de) 2003-11-26
CZ20013876A3 (cs) 2002-07-17
EP1211068A2 (de) 2002-06-05
HK1048091A1 (en) 2003-03-21
CN1246147C (zh) 2006-03-22
JP2002205376A (ja) 2002-07-23
DE10154810A1 (de) 2002-07-04
RU2236946C2 (ru) 2004-09-27

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