EP1031419A1 - Farbmesser für eine Druckmaschine - Google Patents

Farbmesser für eine Druckmaschine Download PDF

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Publication number
EP1031419A1
EP1031419A1 EP00810116A EP00810116A EP1031419A1 EP 1031419 A1 EP1031419 A1 EP 1031419A1 EP 00810116 A EP00810116 A EP 00810116A EP 00810116 A EP00810116 A EP 00810116A EP 1031419 A1 EP1031419 A1 EP 1031419A1
Authority
EP
European Patent Office
Prior art keywords
blade
inkwell
cylinder
sectors
edge
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
EP00810116A
Other languages
English (en)
French (fr)
Other versions
EP1031419B1 (de
Inventor
Raffaele Fina
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.)
KBA Notasys SA
Original Assignee
De la Rue Giori SA
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 De la Rue Giori SA filed Critical De la Rue Giori SA
Publication of EP1031419A1 publication Critical patent/EP1031419A1/de
Application granted granted Critical
Publication of EP1031419B1 publication Critical patent/EP1031419B1/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
    • B41F31/02—Ducts, containers, supply or metering devices
    • B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2231/00—Inking devices; Recovering printing ink
    • B41P2231/12—Axially segmented ink blades

Definitions

  • the present invention relates to an inkwell blade for printing machine whose edge is intended to maintain an ink thickness determined on an inkwell cylinder, said blade being divided into several adjacent sectors and movable to vary the distance between the edge of the blade and circumference of the inkwell cylinder.
  • the present invention also relates to an inkwell for printing machine, said inkwell comprising a cylinder inkwell, a blade-shaped bottom with a near edge of the ink cylinder's circumference, and two walls side in contact with the bottom of the inkwell and ensuring the lateral sealing of the inkwell.
  • blades and inkwells are used mainly in intaglio printing machines, in which the amount of ink that is applied to the cylinder ink is important to properly ink sizes of printing plates.
  • Inkwell blades and inkwells of this type are known in the state of the art.
  • the patent DD 110 632 shows an inkwell, the bottom of which has a blade which is close to the circumference of the inkwell cylinder.
  • the blade is elastically deformed by screws that press against the blade on the other side of this in relation to the inkwell cylinder.
  • the inkwell blade is formed by several adjacent slats which can be elastically deformed to change the thickness of the ink applied to the inkwell cylinder.
  • This system has several drawbacks, including the causes the deformation of the lamellae to occur in direction of the inkwell cylinder. So, in case of error handling, there is a risk that the blade will come in contact with the cylinder and damage. The deformation of blades also causes fatigue of the material which can create problems of premature wear.
  • the object of the invention is to improve the known systems.
  • the invention aims to propose a system with fine adjustment allowing application constant ink thickness on the cylinder ink, precisely, repetitively and safely damage to the cylinder.
  • the invention is characterized in that the sectors forming the blade of the inkwell bottom are movable in the plane of the blade parallel to each other with respect to other.
  • Independent claim 8 defines an inkwell of printing machine, the bottom of which has a blade according to the invention.
  • FIG. 1 an inking device with two inkwells superimposed, of the type used in intaglio machines, is schematically represented.
  • This device consists mainly of a mobile inking carriage 1, comprising two frames 2 superimposed, each frame 2 being provided with a inkwell 3 formed by a bottom 4 and two side walls 5 cooperating with the cylinder 6 of the inkwell.
  • the bottom 4 is formed of a blade whose front edge touches the cylinder 6 inkwell.
  • the ink rollers 7 which ink, for example, printing plates (not shown) mounted on a plate cylinder 8.
  • the bottom 4 of the inkwell is described in detail in reference to FIGS. 2 and 3.
  • This bottom 4 is mounted on a transverse axis 10, parallel to cylinder axis 6 inkwell, and it pivots around this axis 10 in the direction of the inkwell cylinder 6 when the ink it.
  • segments 11 of blade are mounted on the bottom 4 on the bottom 4, segments 11 of blade are mounted. These segments 11 are linked to the bottom 4 by through transverse slides 13, 14 parallel to the axis 10 supporting the bottom 4 and which are themselves fixed to said bottom 4 by means of screws 15 and 16.
  • These transverse slides 13, 14 have the general shape of a T whose upper part is held in a corresponding groove 32, 33 cut in segments 11.
  • each segment 11 comprises housings 19, 20 in each of which a return spring 17, 18 is placed. These springs 17, 18, which work in compression, serve to maintain the segment 11 in the position in which the edge of the segments 11 is closest to the inkwell cylinder 6. So we can define this position as a position reference and displacement of segments 11 for change the thickness of the ink applied to cylinder 6 is carried out by moving sector 11 away from cylinder 6.
  • the edge of sector 11 includes a reinforcement 12, by example a hard material plate such as metal or ceramic, which significantly increases the duration of life in each sector.
  • a reinforcement 12 by example a hard material plate such as metal or ceramic, which significantly increases the duration of life in each sector.
  • the inks used have abrasive properties which wear down the edge of the blade.
  • it is necessary that the edge of the edge is sharp.
  • the use of sectors reinforced according to the present invention thus allows, on the one hand, to reduce the wear of the edge and, on the other hand, to change only one sector in case of premature wear rather than the entire blade, which results in significant savings.
  • This system includes a cam 23 which, in the figure 2, is associated with a motor 21.
  • the cam 23 is placed in a corresponding groove 24 of sector 11 and mounted on the axis 22 of the motor 21.
  • the motor 21 itself is mounted in the bottom of the inkwell 4 and fixed by screws 25 and 26.
  • Using a motor as shown in Figure 2 allows in particular a remote control of the movement of sectors 11.
  • a sector blade 11 along the invention can be used in an inkwell comprising ink separators.
  • Such separators are used to separate colors when inkwell is used for multicolored printing.
  • EP 0 374 092 for example, the content of which should be considered forming part of the present application, describes an inkwell comprising at least one such separator allowing inking with at least two different colors.
  • FIG 4 shows schematically a separator 27 mounted directly on a sector 11 according to the invention.
  • the elements common to Figures 2 and 4 are identified with the same references.
  • the separator 27, known in itself for example from patent EP 0 374 092, comprises in particular a intermediate plate 28 of plastic, for example in Nylatron, which is kept in contact with the periphery of the cylinder 6 to inkwell by means of pressure (not shown) such as springs so that the contact remains sealed.
  • separator 27 is less wide than the segment 11 on which it is mounted, it is necessary to reinforce the edge segment 11 which is on the side of cylinder 6 ink, for example by means of a material plate lasts 31 similar to the pads 12 shown in the Figure 2 and 3. Such a plate 31 will in fact be placed on each side of the intermediate plate 28. We can move segment 11 to adjust so specifies the thickness of the ink applied near the intermediate plate 28 while maintaining contact watertight thereof against the inkwell cylinder 6 thanks pressure means.
  • the segment system 11 can also be used from advantageously for mounting the side walls 5 inkwell, these being placed on the two segments ends of the bottom blade 4 of the inkwell.
  • Such side walls are described in patent EP 0 374 092 mentioned above, and also in the patent application Switzerland N ° 105/99, filed on January 20, 1999 and not yet published to date, the content of which should be considered as part of this application.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Ink Jet (AREA)
  • Paper (AREA)
  • Coloring (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
EP00810116A 1999-02-23 2000-02-10 Farbmesser für eine Druckmaschine Expired - Lifetime EP1031419B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH33899 1999-02-23
CH33899 1999-02-23

Publications (2)

Publication Number Publication Date
EP1031419A1 true EP1031419A1 (de) 2000-08-30
EP1031419B1 EP1031419B1 (de) 2005-08-17

Family

ID=4184745

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00810116A Expired - Lifetime EP1031419B1 (de) 1999-02-23 2000-02-10 Farbmesser für eine Druckmaschine

Country Status (10)

Country Link
EP (1) EP1031419B1 (de)
JP (1) JP2000246875A (de)
KR (1) KR100668031B1 (de)
CN (1) CN1222410C (de)
AT (1) ATE302117T1 (de)
AU (1) AU769060B2 (de)
CA (1) CA2298376C (de)
DE (1) DE60021932T2 (de)
RU (1) RU2226153C2 (de)
UA (1) UA69388C2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1588854A1 (de) 2004-04-22 2005-10-26 Kba-Giori S.A. Farbkasten in einer Druckmaschine

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4892728B2 (ja) * 2006-11-20 2012-03-07 独立行政法人 国立印刷局 インキ供給装置
CN104943356B (zh) * 2014-03-28 2018-03-20 南京造币有限公司 雕刻凹印输墨装置
WO2019142535A1 (ja) 2018-01-18 2019-07-25 アイマー・プランニング株式会社 印刷機とそのインキ壺装置及びインキ壺回りの清掃方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR419472A (fr) * 1909-08-20 1911-01-07 John Arthur Jefferson Hayes Perfectionnements au réglage du débit de la couleur, de l'encre ou autre, dans les machines à imprimer
DE2951653A1 (de) * 1979-12-21 1981-07-02 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum dosieren von farbe auf der farbkastenwalze eines farbwerks fuer druckmaschinen
EP0046206A1 (de) * 1980-08-14 1982-02-24 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Vorrichtung zum Dosieren der Farbmenge in Farbwerken von Druckmaschinen
DE3503736C1 (de) * 1985-02-04 1985-12-05 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Farbdosiereinrichtung an Druckmaschinen
DE8208651U1 (de) * 1982-03-26 1986-08-21 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Farbdosiereinrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR419272A (fr) * 1910-07-29 1910-12-30 Henry Moore Becker Cercueil

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR419472A (fr) * 1909-08-20 1911-01-07 John Arthur Jefferson Hayes Perfectionnements au réglage du débit de la couleur, de l'encre ou autre, dans les machines à imprimer
DE2951653A1 (de) * 1979-12-21 1981-07-02 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum dosieren von farbe auf der farbkastenwalze eines farbwerks fuer druckmaschinen
EP0046206A1 (de) * 1980-08-14 1982-02-24 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Vorrichtung zum Dosieren der Farbmenge in Farbwerken von Druckmaschinen
DE8208651U1 (de) * 1982-03-26 1986-08-21 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Farbdosiereinrichtung
DE3503736C1 (de) * 1985-02-04 1985-12-05 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Farbdosiereinrichtung an Druckmaschinen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1588854A1 (de) 2004-04-22 2005-10-26 Kba-Giori S.A. Farbkasten in einer Druckmaschine

Also Published As

Publication number Publication date
KR100668031B1 (ko) 2007-01-15
ATE302117T1 (de) 2005-09-15
UA69388C2 (uk) 2004-09-15
JP2000246875A (ja) 2000-09-12
DE60021932T2 (de) 2006-04-20
KR20000058115A (ko) 2000-09-25
CA2298376C (en) 2008-06-03
CA2298376A1 (en) 2000-08-23
CN1264645A (zh) 2000-08-30
RU2226153C2 (ru) 2004-03-27
CN1222410C (zh) 2005-10-12
AU769060B2 (en) 2004-01-15
EP1031419B1 (de) 2005-08-17
DE60021932D1 (de) 2005-09-22
AU1752400A (en) 2000-08-24

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