EP1110887A1 - Dispositif pour guider des feuilles et procédé appliquant ledit dispositif de guidage - Google Patents

Dispositif pour guider des feuilles et procédé appliquant ledit dispositif de guidage Download PDF

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Publication number
EP1110887A1
EP1110887A1 EP00125312A EP00125312A EP1110887A1 EP 1110887 A1 EP1110887 A1 EP 1110887A1 EP 00125312 A EP00125312 A EP 00125312A EP 00125312 A EP00125312 A EP 00125312A EP 1110887 A1 EP1110887 A1 EP 1110887A1
Authority
EP
European Patent Office
Prior art keywords
guide
guiding device
distance
drive
guiding
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
Application number
EP00125312A
Other languages
German (de)
English (en)
Other versions
EP1110887B1 (fr
Inventor
Gaby Fasler
Markus Möhringer
Jochen Renner
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
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
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP1110887A1 publication Critical patent/EP1110887A1/fr
Application granted granted Critical
Publication of EP1110887B1 publication Critical patent/EP1110887B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H11/00—Feed tables
    • B65H11/007—Feed tables with front stop arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/22—Distance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2555/00—Actuating means
    • B65H2555/10—Actuating means linear
    • B65H2555/11—Actuating means linear pneumatic, e.g. inflatable elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2555/00—Actuating means
    • B65H2555/20—Actuating means angular
    • B65H2555/24—Servomotors

Definitions

  • the invention relates to a guide device for guiding sheets to a sheet-processing machine, according to the preamble of claim 1 and a method for operating a guiding device for feeding sheets to a sheet processing machine Machine according to the preamble of claim 20.
  • Sheet processing machines such as printing machines are known from to which a shingled sheet stream flows through a feed table Acceleration system of the machine is fed.
  • This sheet can run out Bow are so strongly influenced that, for example, the front or way Front cover marks overshoots and runs into the machine.
  • the overlapping sheets Guide devices used, as known for example from DE 296 15 996 U1 are.
  • the guiding device arranged above the feed table directs the draining device So that a large separation angle between the feed table and the over the front opaque sheet is created, so the one below it Sheet is guided safely under the cover marks.
  • the Sheet size and machine speed can be the distance of the guide to the feed table and in the direction of paper travel and to the front and front cover marks be adjusted.
  • the guide device has one over the feed table continuous, stable shaft on which the accessibility of the machine operator, For example, if a missing sheet is removed or the pressure-free margin is set difficult at the front brands. It has also proven to be disadvantageous that a safe entry of the first arc of an arc stream, especially in the case of thick ones Front edge of strongly wavy substrates, to the guiding device respectively to the front / front cover marks cannot be guaranteed in all cases.
  • the solution comprises at least one guide element, which is above a feed table is arranged and its distance from the feed table using a Height adjustment device is adjustable.
  • the guiding device is characterized by that the height adjustment device has a first drive and a second drive has that can be operated independently of each other.
  • the first drive serves the To open the guide device, so to increase its distance from the feed table so that the Accessibility for a machine operator is improved.
  • the advantage here is that a Missed sheet easily removed and, for example, an adjustment of at least a leading mark, which is the orientation of the leading edge across the Sheet transport direction is used, can be made easily.
  • the second Drive is used for the exact setting of the distance of the guide device or of the guide element to the feed table, so that a low-marking further transport of the Arch can be guaranteed.
  • the height of the guide element is adjusted preferably continuously.
  • the first and second drives are in a preferred embodiment of the invention can be coupled with each other, that is, one of the two drives works with the Height adjustment of the guide element on the other drive.
  • the two drives can have an interaction when actuated by a drive, although they can be controlled independently.
  • at least each a movable actuator for displacing the guide element having drives act together in such a way that when the actuating means of one drive is shifted also a displacement of the actuator of the other drive by the actuator of the a drive takes place.
  • the first drive is from a piston / cylinder unit is formed, the pneumatic in a preferred embodiment can be actuated.
  • the guide element With the piston / cylinder unit, the guide element is in a simple manner at least two distance positions can be shifted to the feed table. Of course you can the guide element also defined in more than two by means of the piston / cylinder unit Distance positions above the feed table are shifted, for example by means of a motorized adjustable stop.
  • the second drive has a servomotor, by means of which a stepless, preferably precise change in distance of the guide element from the feed table can be realized is.
  • one with the second is with the aid of the servomotor End of a piston rod of the piston / cylinder unit forming the first drive interacting actuator in the direction of the longitudinal central axis of the piston rod relocatable.
  • the change in height of the guide element to the feed table takes place at Activation of the second drive such that both the control element of the second Drive as well as the control element of the first drive, namely the piston rod, be moved without activating the first drive.
  • Based on these Coupling the two drives with each other is a modular design of the Height adjustment device can be implemented.
  • a Foreign body protection device is provided to increase the distance between the guide element and the feed table at least one of the drives of the Height adjustment device activated.
  • the first drive is activated, which Guide device can open, so that damage to the guide device or Front mark can be safely avoided by a foreign body.
  • opening the The machine is preferably switched off by the control device, which has already been done can before the guide device is fully opened. Because of this configuration is also machine protection due to the foreign body protection device created.
  • the foreign body protection device is of this type designed that when crossing one in the vertical direction from the feed table directed away and acting on a guide that carries the guide element, the force of Drive is activated. This occurs, for example, when forces greater than 50 N act on the Foreign body protection device or act on the guide device.
  • the guide element on a the guide connected traverse is arranged around a transverse to Sheet transport direction extending axis is pivotable. That for example from a Free rotating separating roller formed guide element is in when pivoting the crossbar Moved in the direction of the front mark or away from the front mark.
  • the distance between the guide element and the front mark is therefore adjustable.
  • the panning the traverse can be attached by means of at least one lifting device attached to the guide, such as a piston / cylinder unit, so that the distance between the guide element and the front mark is automatically adjustable.
  • the guide element is moved in the sheet transport direction Guide element advantageously in the entry of a first sheet of a scale, the is called an arc current, very close to the at least one front mark or Front cover mark to be shifted. This is a particularly safe feed or threading of the arc current can be realized.
  • the guide element is moved against the sheet transport direction so that the Separation angle for rigid substrates can be reduced to mark avoid.
  • a method for operating a guiding device is also used to achieve the object proposed with the features of claim 20.
  • the guide device has at least one guide element, which - seen in the sheet transport direction - in front of at least a front mark is arranged.
  • the guiding device are in shingled arches Form feedable, that is, the trailing edge of a previous sheet overlaps the Leading edge of a subsequent sheet.
  • the process is characterized in that when the first arc of an arc stream enters, the guide element -in Sheet transport direction seen - arranged at a short distance from the front mark is and that the distance between the guide element and the Front brand is enlarged. This enables safe transport and feeding of the first sheet, the leading edge of which may be very wavy and stand up, in the machine can be guaranteed.
  • the guide element is moved so far against the sheet transport direction, that the separation angle for rigid substrates can be reduced to Avoid marking, and a marking-free transport is ensured can.
  • the guide device 1 described below is generally for guiding sheets, such as sheets of paper or cardboard, to a machine, for example one Printing machine, can be used.
  • Figure 1 shows a side view of part of a machine, not shown, for Processing of sheets in a contact area in which a feed table 3 is arranged, the for guiding a shingled arc stream (not shown) in Sheet transport direction 5 is used.
  • the sheets are against the feed table 3 against Front brands 7 out, which in this embodiment by a transverse to Sheet transport direction 5 extending axis 9 are pivotable.
  • the front cover marks 7 are - seen transversely to the sheet transport direction - one behind the other and in spaced from each other.
  • front cover marks also front marks Roger that.
  • a side mark (not shown) is provided, with whose help is a sheet lying on the front marks 7 across Sheet transport direction 5 can be aligned.
  • the guide device 1 is arranged above the feed table 3, of which only in FIG a part is shown.
  • the guide device 1 comprises one across the Feed table 3 extending cross member 15, which in this embodiment as Front brand protection 17 is formed and prevents foreign bodies from entering Front marks or the following part of the machine.
  • the guiding device 1 has a plurality of guiding elements 19 which run in the lateral direction are arranged one behind the other and at a distance from one another such that they are -in Sheet transport direction 5 seen - each with one of the front marks 7 in alignment are arranged.
  • the guide elements 19 are crowned in this embodiment Separating rollers are formed, each of which is arranged on a guide element holder 21 with ball bearings are. So that all the guide elements 19 when mounting the guide device 1 on the same or respectively a desired distance from the feed table 3 can, an eccentric 23 is rotatably mounted and engages in the front brand protection 17 into the associated guide element holder 21. This is via a clamping device 25, which can be operated by hand, non-positively attached to the front brand protection 17.
  • Each Guide element 19 can thus be released individually and without tools via the clamping device 25 can be turned off, that is, if it is not needed, it can be raised and be fixed so that it does not come into contact with the sheets.
  • the Guide element 19 is the guide element holder 21 by means of spring element X on the Eccentric 23 and thus pressed to the adjusted basic position.
  • FIG. 2 shows a section of the guiding device 1, as seen in the sheet transport direction 1 in the area of the drive side of the machine. Same parts are with provided with the same reference numerals, so that in this respect the description of FIG. 1 is referred.
  • the front brand protection 17 having a stable profile is on the Drive and operator side of the machine by means of bolts 27 to a transverse to Sheet transport direction 5 extending axis 29 on a rack 31 pivotally mounted, of which in Figure 2 only that arranged on the drive side Rack 31 can be seen.
  • the racks 31 are part of a guide 33, which for Open the front brand protection 17 and to adjust the distance of the Guide elements 19 serve from the feed table 3 and can be displaced here in the vertical direction are.
  • a lifting device 35 is in each case on the toothed racks 31 pivotably mounted about an axis 37 extending transversely to the sheet transport direction 5.
  • the lifting devices 35 are each one in this embodiment Pneumatic cylinder 39 formed, the articulated in the lower, the guide elements 19th nearby part of the front brand protection 17 is attached.
  • each of the toothed racks 31 there is a coupling 43 having an elongated hole 41 stored, which are articulated to the front brand protection 17.
  • Guide elements 19 in the sheet transport direction 5 in two defined positions become. 3, which shows part of the guide 33 in a side view, are shown in a first position of the solid line Front brand protection 17, the guide elements 19 at a very short distance from the Front brands 7 arranged.
  • the distance between the guide elements 19 and Front marks 7 can be enlarged by means of the lifting devices 35, which the Swivel the front mark guard 17 and the axle 29 so that the guide elements 19 counter to the sheet transport direction 5 in the in Figure 3 with a dashed line position shown are shifted. So that any distance between the Guide elements 19 and the front brands 7 is adjustable, is not shown Embodiment instead of the coupling 43 a motor-adjustable stop intended.
  • cam rollers 47 and 49 are driven by cam rollers 47 and 49 performed on opposite sides of the racks 31, 44 and in one vertical distance from each other.
  • the cam roller 47 is by means of a Machine frame (side wall 46) attached bolt 51 mounted ( Figure 2).
  • the another, on a bolt 53 seated cam roller 49 is by means of one here
  • Leaf spring 55 formed spring element 57 which on a fixed abutment 59 attached and engages on the bolt 53, against the racks 31, 44 resilient pressed, whereby the teeth of the racks 31 and that of the third rack 44 in the teeth of the gear shaft 45 are pressed. This means that the tour is free of play created.
  • the guide device 1 also has a height adjustment device 61, of which in Figure 5 shows an embodiment.
  • the height adjustment device 61 is used to change the distance of the guide elements 19 to the feed table 3. For this, the Guide 33 having guide elements 19 move, which is explained in more detail below is received.
  • the height adjustment device 61 comprises a first drive 63, which is preferably here is formed by a pneumatic piston / cylinder unit 65 which one at a frame fixed bracket 67 attached cylinder 69 and a continuous Piston rod 71 includes.
  • the piston rod 71 is at a first end 73 at the third Rack 44 attached. It can be seen from FIG. 5 that the piston rod 71 in the is substantially aligned with the third rack 44.
  • the height adjustment device 61 also has a second drive 75, the one Servomotor 77, which rotates via a gear 79 with an actuator 81 connected gear 83 drives.
  • the control element 81 is here of a Threaded sleeve 85 is formed, which in a threaded bore a bearing plate 87 arranged fixed to the frame is screwed in. If the gear 83 is driven, the threaded sleeve 85 in the bearing plate 87 -depending on the direction of rotation of the gear 83- screwed in or out and thus in the direction of the piston rod 71 shifted vertically upwards or in the opposite direction, i.e. downwards.
  • the distance of the Front mark protection 17 to the feed table 3 can be adjusted very precisely and without further on the respective substrate thickness and rigidity of the sheets, the sheet format and the machine speed can be optimally adjusted.
  • the first drive 63 is activated and the piston rod 71 of the pneumatic piston / cylinder unit 65 extends completely, is shifted as far as possible in the vertical direction, whereby the entire Guide 33 with the front brand protection 17 and the rotatably arranged thereon Guide elements 19 are lifted off the feed table 3.
  • the driver 90 is at a distance from Socket 89 arranged or lifted from the socket 89. The connection between the drives 63 and 75 is thus when the first drive 63 is actuated decoupled.
  • the first drive 63 only opens the Front brand protection 17 and the second drive 75 for precise adjustment of the Distance of the front brand protection 17 or the guide element 19 to Serve feed table 3. It also becomes clear that when the first Drive 63 this automatically in the embodiment shown in Figure 5 second drive 75 is decoupled.
  • the opening of the front brand protection 17, ie the spacing of the Guide 33 from the feed table 3 also by the second drive 75 of the Height adjustment device 61 is possible, that is, the threaded bush 85 can be as far be turned out of the bearing plate 87 that an intervention in the machine in Area of the guide device 1 is possible. This can result in a failure of the first Drive 63 can be ensured that the guide device 1 still open leaves.
  • the guiding device 1 also has a foreign body protection device 91 that is used for this purpose serves one of the drives 63, 75 of the height adjustment device 61, in which in FIG illustrated embodiment to activate the first drive 63 to the Guide device 1 to move away from the feed table 3.
  • the Foreign body protection device 91 has a single one, below the second Drive 75 arranged limit switch 93, the position via a feeler 95 a shift rod 97 scans.
  • the shift rod 97 is in a threaded bore 99 in the threaded sleeve 85 only displaceable connecting element 101, which here by a hexagonal rod is formed, screwed.
  • the connecting element 101 is open its end remote from the shift rod 96 is firmly connected to the piston rod 71.
  • the limit switch 93 is pressed immediately and the front mark protection 17 is opened, that is to say the first drive 63 is activated, so that the guide 33 with the front mark protection 17 arranged thereon is moved away from the guide table 3 upwards.
  • the limit switch 93 is preferably pressed when the forces acting on the front badge protector 17 are greater than 50 N.
  • Front brand protection 17 for example, a height-adjustable brush arranged that Lifting up the trailing edge of the sheet reduced. Folding up the trailing edge of the sheet is generated by the front marks in when swinging back to the feed table enter the arch plane and lift out the arch. Especially thin substrates are thereby accelerated vertically to the sheet running direction and one through the sheet running wave arises, whereby the running out of the guide elements, liberated arch end whips up. By pressing the trailing edge of the sheet down the noise at the feeder of the machine can be reduced.
  • a switching console is provided on the If necessary, machine operator the height position of the front mark guard 17 or the guide elements 19 relative to the feed table 3 and their distance to the front marks 7 can be adjusted manually by pressing a button.
  • the guide device 1 preferably has no components that in the lateral direction of the machine over the Feed table 3 protrude. This enables the machine operator to easily remove missing sheets.
  • the method mentioned at the outset can be easily implemented.
  • Repeat orders are preferably exactly the same position of the guide elements 19 as started with the first print job.

Landscapes

  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
EP00125312A 1999-12-21 2000-11-29 Dispositif pour guider des feuilles et procédé appliquant ledit dispositif de guidage Expired - Lifetime EP1110887B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19962116 1999-12-21
DE19962116A DE19962116A1 (de) 1999-12-21 1999-12-21 Leitvorrichtung zum Führen von Bogen und Verfahren zum Betreiben einer Leitvorrichtung

Publications (2)

Publication Number Publication Date
EP1110887A1 true EP1110887A1 (fr) 2001-06-27
EP1110887B1 EP1110887B1 (fr) 2003-06-18

Family

ID=7933876

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00125312A Expired - Lifetime EP1110887B1 (fr) 1999-12-21 2000-11-29 Dispositif pour guider des feuilles et procédé appliquant ledit dispositif de guidage

Country Status (5)

Country Link
US (1) US6969062B2 (fr)
EP (1) EP1110887B1 (fr)
JP (1) JP4782920B2 (fr)
AT (1) ATE243156T1 (fr)
DE (2) DE19962116A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1935817A2 (fr) * 2006-12-19 2008-06-25 MAN Roland Druckmaschinen AG Dispositif de guidage destiné à l'introduction de feuilles dans une machine d'imprimerie
EP2062709A1 (fr) 2007-11-23 2009-05-27 Glunz Ag Procédé de fabrication de plaques à base de particules encollées à l'aide d'un liant et plaques ainsi fabricables
EP2036844A3 (fr) * 2007-09-13 2011-08-31 Komori Corporation Appareil de guide de feuilles

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10244219B4 (de) 2001-10-15 2019-01-17 Heidelberger Druckmaschinen Ag Vorrichtung und Verfahren zur Bogenzufuhr an eine Bogenverarbeitende Maschine, insbesondere Druckmaschine
DE10246297B4 (de) * 2002-10-02 2007-01-25 Man Roland Druckmaschinen Ag Niederhaltereinrichtung in der Bogenanlage
KR20040031935A (ko) * 2002-10-07 2004-04-14 엘지엔시스(주) 지폐자동입출금기의 지폐두께감지장치
DE102005001375A1 (de) * 2005-01-12 2006-07-20 Man Roland Druckmaschinen Ag Leitvorrichtung
DE102009008776B4 (de) * 2008-03-17 2021-05-27 Heidelberger Druckmaschinen Ag Vorrichtung zum Ausrichten von Bogen an Anschlägen
DE102008035694B4 (de) * 2008-07-30 2021-03-18 manroland sheetfed GmbH Vordermarkenanordnung
DE102012209581B4 (de) 2011-06-16 2022-06-23 Koenig & Bauer Ag Bogen verarbeitende Maschine mit einem Anlegtisch

Citations (3)

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DE222197C (fr) *
DE1089774B (de) * 1959-05-22 1960-09-29 Georg Spiess Dr Ing Bogenanleger mit an der Vorderkante des Anlegetisches auf und ab bewegbaren Vordermarken und mit Bogenausrichtmitteln
DE29615996U1 (de) * 1996-09-14 1996-10-24 Roland Man Druckmasch Leitvorrichtung zur Bogenzufuhr an eine Druckmaschine

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DE2552277C3 (de) * 1975-11-21 1981-03-26 Miller Printing Equipment Corp., Pittsburgh, Pa. Vorrichtung zur Führung der Bogen zu einem umlaufenden Zylinder einer Bogen-Rotations-Druckmaschine
US4369959A (en) * 1979-11-10 1983-01-25 Hornbuckle William M Sheet feed machine
US4607837A (en) * 1985-04-03 1986-08-26 Sandco, Inc. Tension apparatus for feeder machine
CH664343A5 (fr) * 1985-11-11 1988-02-29 Bobst Sa Dispositif pour former des lots separes d'objets plats a partir d'une nappe d'objets en mouvement.
DE3613969A1 (de) * 1986-04-24 1987-10-29 Heidelberger Druckmasch Ag Ueberwachungsvorrichtung fuer die geschuppte bogenzufuhr zu druckmaschinen
US4896875A (en) * 1988-12-21 1990-01-30 Am International, Inc. Copy sheet pull guide mechanism
US5171980A (en) * 1991-08-01 1992-12-15 Pitney Bowes Inc. Self adjusting scanner apparatus maintaining scan distance
US5379997A (en) * 1992-03-31 1995-01-10 Fuji Photo Film Co., Ltd. Cassette
JP2586443Y2 (ja) * 1992-05-29 1998-12-09 株式会社小森コーポレーション 枚葉紙搬送装置
DE4435264C2 (de) * 1994-10-01 2001-05-10 Heidelberger Druckmasch Ag Bogenniederhalter
US6164438A (en) * 1996-08-21 2000-12-26 Vermehren; H. Richard Adjustable control roller apparatus and method
JPH11245477A (ja) * 1998-03-02 1999-09-14 Nippon Typewriter Co Ltd サーマル印字装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE222197C (fr) *
DE1089774B (de) * 1959-05-22 1960-09-29 Georg Spiess Dr Ing Bogenanleger mit an der Vorderkante des Anlegetisches auf und ab bewegbaren Vordermarken und mit Bogenausrichtmitteln
DE29615996U1 (de) * 1996-09-14 1996-10-24 Roland Man Druckmasch Leitvorrichtung zur Bogenzufuhr an eine Druckmaschine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1935817A2 (fr) * 2006-12-19 2008-06-25 MAN Roland Druckmaschinen AG Dispositif de guidage destiné à l'introduction de feuilles dans une machine d'imprimerie
EP1935817A3 (fr) * 2006-12-19 2009-10-07 manroland AG Dispositif de guidage destiné à l'introduction de feuilles dans une machine d'imprimerie
EP2036844A3 (fr) * 2007-09-13 2011-08-31 Komori Corporation Appareil de guide de feuilles
EP2062709A1 (fr) 2007-11-23 2009-05-27 Glunz Ag Procédé de fabrication de plaques à base de particules encollées à l'aide d'un liant et plaques ainsi fabricables

Also Published As

Publication number Publication date
ATE243156T1 (de) 2003-07-15
DE50002578D1 (de) 2003-07-24
US20010004144A1 (en) 2001-06-21
DE19962116A1 (de) 2001-06-28
JP4782920B2 (ja) 2011-09-28
JP2001220030A (ja) 2001-08-14
US6969062B2 (en) 2005-11-29
EP1110887B1 (fr) 2003-06-18

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