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EP0844083A1 - Device for feeding free-flowing ink to a printing unit - Google Patents

Device for feeding free-flowing ink to a printing unit Download PDF

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Publication number
EP0844083A1
EP0844083A1 EP97119597A EP97119597A EP0844083A1 EP 0844083 A1 EP0844083 A1 EP 0844083A1 EP 97119597 A EP97119597 A EP 97119597A EP 97119597 A EP97119597 A EP 97119597A EP 0844083 A1 EP0844083 A1 EP 0844083A1
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EP
European Patent Office
Prior art keywords
nozzle
arrangement according
ink
cigarette paper
outlet
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.)
Withdrawn
Application number
EP97119597A
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German (de)
French (fr)
Inventor
Tadeusz Widmanski
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.)
Decoufle SARL
Original Assignee
Decoufle SARL
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Filing date
Publication date
Application filed by Decoufle SARL filed Critical Decoufle SARL
Publication of EP0844083A1 publication Critical patent/EP0844083A1/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/28—Spray apparatus
    • 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
    • B41F31/08—Ducts, containers, supply or metering devices with ink ejecting means, e.g. pumps, nozzles

Definitions

  • the invention relates to an arrangement for supplying flowable printing ink to one Printing unit for a cigarette paper strip in a cigarette rod machine by means of a Jet.
  • flowable printing ink is understood to mean a consistency of the color from thin liquid to thick liquid.
  • the application of the invention also extends to other strips which are continuously wrapped around a strand in the tobacco processing industry, for example made of filter material or cigar insert, if these strips are to be printed .
  • a cigarette paper strip is continuously placed around a tobacco rod, the overlapping edge of the strip is glued, and cigarettes are cut off from the cigarette rod thus formed.
  • the feed area of the cigarette paper strip there must still be an imprint of color, sometimes also Stamp ", which then appears on the cigarette and usually reproduces the brand.
  • stamp which then appears on the cigarette and usually reproduces the brand.
  • U.S. Pat. Nos. 4,535,693 and 3,345,943 have disclosed printing ink supply assemblies. in which the color taken from a storage container by means of nozzles pressed as far as possible into the nip between two feed rollers, which by nozzles ending immediately before the rollers is effected. With such solutions is a uniform application to the feed rollers and the subsequent pressure rollers unavailable.
  • the object of the invention is to ensure the uniformity of the using a nozzle to improve ink transfer on rollers.
  • this object is achieved in that the outlet of the compressed gas, preferably pressurized air nozzle at a distance from one of two rotating Roll formed gap is arranged in which a color liquid-air mixture formed by the compressed air entry.
  • uniformity can be obtained from the nozzle the ink transferred to the rollers due to the formation of a color-air mist within the Nip and the application of finely divided ink droplets to the roller shells improve.
  • the pressure roller 3 passes the ink contained on the printed image at the point of contact with a counter-pressure roller 4 the cigarette paper strip 1 moved in the direction of arrow 6, on which a corresponding Imprint is applied.
  • the flowable, preferably low-viscosity printing ink is in a reservoir, e.g. B. in a cartridge 7 known per se, with the outlet 8.
  • the printing ink is passed via an ink line 9 from the outlet 8 to the inlet 9a of an interrogator 11, which ends in a nozzle 12 with the outlet 12a, from which a color liquid -Air mixture 13 enters the gap 14 between two touching, rotating feed rollers 16, 17.
  • the feed roller 17 is a so-called distributor roller, which delivers the ink located on its periphery to the periphery of a further roller, namely a transfer roller 18, which then transfers the printing ink to the jacket of the printing roller 3.
  • Valve de pulvérisation 780S is marketed by DOSAGE 2000 sarl, 62-70, rue Yvan Tourgueneff, 78380 BOUGIVAL, France.
  • the application device 11 is supplied with ink through the paint line 9 and inlet 9a, and compressed air through lines 19 and 21 with the inlets 19a and 21a.
  • the compressed air through line 19 serves to atomize the paint liquid emitted by the nozzle 12.
  • the compressed air through line 21 is used to meter the color liquid supplied to the nozzle 12.
  • Their amount is adapted to the changing speed of the cigarette paper strip 1 in that the opening (release) times of the nozzle, which is opened and closed in quick succession, increases (with increasing color requirement due to increasing speed of the cigarette paper strip 1) or decreases (with decreasing color requirement due to falling speed) of cigarettes of cigarette paper 1).
  • a timer 22 is used for this purpose, which increases or decreases the opening times of a switching valve 23 depending on the strip speed.
  • the switching valve is arranged in a compressed air line 24, through which compressed air is supplied to the compressed air line 21 and from there through the inlet 21a to the application device 11.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Nozzles (AREA)

Abstract

The device comprises a nozzle (12) subjected to compressed gas, preferably compressed air, and arranged at a distance from a gap (14) between two rotating drums (16,17), into which a mixture (13) of ink and air enters. A printing drum (3) for applying a printed image onto the cigarette paper strips is mounted after the two rotating drums. The arrangement contains a dosing device (22-24) for the delivered ink.

Description

Die Erfindung betrifft eine Anordnung zum Zuführen von fließfähiger Druckfarbe zu einem Druckwerk für einen Zigarettenpapierstreifen in einer Zigarettenstrangmaschine mittels einer Düse.The invention relates to an arrangement for supplying flowable printing ink to one Printing unit for a cigarette paper strip in a cigarette rod machine by means of a Jet.

Unter dem Begriff

Figure 00010001
fließfähiger Druckfarbe" wird eine Konsistenz der Farbe von Dünnflüssigkeit bis Dickflüssigkeit verstanden. Die Anwendung der Erfindung erstreckt sich auch auf andere Streifen, die in der tabakverarbeitenden Industrie kontinuierlich um einen Strang, beispielsweise aus Filtermaterial oder Zigarreneinlage, gelegt werden, wenn diese Streifen bedruckt werden sollen.Under the term
Figure 00010001
flowable printing ink "is understood to mean a consistency of the color from thin liquid to thick liquid. The application of the invention also extends to other strips which are continuously wrapped around a strand in the tobacco processing industry, for example made of filter material or cigar insert, if these strips are to be printed .

In Strangmaschinen zur Herstellung von Zigaretten wird ein Zigarettenpapierstreifen kontinuierlich um einen Tabakstrang gelegt, die überlappende Kante des Streifens verklebt und Zigaretten von den so gebildeten Zigarettenstrang abgeschnitten. In dem Zufuhrbereich des Zigarettenpapierstreifens muß auf diesen noch ein Aufdruck aus Farbe, manchmal auch Stempel" genannt, aufgebracht werden, der dann auf der Zigarette erscheint und meist die Marke wiedergibt. Für die gewünschte Gleichförmigkeit des Druckbildes ist ausschlaggebend, wie gleichförmig die Farbe aus einem Vorrat, z. B. einer Farbkartusche, auf Zuführwalzen und von diesen auf die eigentliche Druck- oder Stempelwalze übertragen wird.In cigarette making machines, a cigarette paper strip is continuously placed around a tobacco rod, the overlapping edge of the strip is glued, and cigarettes are cut off from the cigarette rod thus formed. In the feed area of the cigarette paper strip there must still be an imprint of color, sometimes also Stamp ", which then appears on the cigarette and usually reproduces the brand. For the desired uniformity of the printed image it is crucial how uniform the color from a supply, for example a color cartridge, on feed rollers and from these onto the actual printing or stamping roller is transferred.

Durch die US-PSen 4 535 693 und 3 345 943 sind Zufuhranordnungen für Druckfarben bekanntgeworden, bei denen die aus einem Vorratbehälter entnommene Farbe mittels Düsen so weit wie möglich in den Spalt zwischen zwei Zufuhrwalzen gedrückt wird, was durch unmittelbar vor den Walzen endende Düsen bewirkt wird. Mit derartigen Lösungen ist ein gleichförmiger Auftrag auf die Zufuhrwalzen und die daran anschließenden Druckwalzen nicht zu erreichen.U.S. Pat. Nos. 4,535,693 and 3,345,943 have disclosed printing ink supply assemblies. in which the color taken from a storage container by means of nozzles pressed as far as possible into the nip between two feed rollers, which by nozzles ending immediately before the rollers is effected. With such solutions is a uniform application to the feed rollers and the subsequent pressure rollers unavailable.

Die der Erfindung zugrundeliegende Aufgabe besteht darin, die Gleichmäßigkeit der aus einer Düse auf Walzen übertragenen Farbe zu verbessern. The object of the invention is to ensure the uniformity of the using a nozzle to improve ink transfer on rollers.

Gemäß der Erfindung wird diese Aufgabe dadurch gelöst, daß der Auslaß der von Druckgas, vorzugsweise Druckluft beaufschlagten Düse im Abstand von einem von zwei drehenden Walzen gebildeten Spalt angeordnet ist, in den ein von der Druckluft gebildetes Farbflüssigkeits-Luftgemisch eintritt.According to the invention, this object is achieved in that the outlet of the compressed gas, preferably pressurized air nozzle at a distance from one of two rotating Roll formed gap is arranged in which a color liquid-air mixture formed by the compressed air entry.

Weiterbildungen und weitere Ausgestaltungen der Erfindung sind den Unteransprüchen zu entnehmen.Further developments and further refinements of the invention can be found in the subclaims remove.

Mit einer Anordnung gemäß der Erfindung läßt sich Gleichförmigkeit der aus der Düse auf die Walzen übertragenen Farbe infolge der Bildung eines Farbe-Luft-Nebels innerhalb des Walzenspaltes und der Beaufschlagung der Walzenmäntel mit feinverteilten Farbtröpfchen verbessern. With an arrangement according to the invention, uniformity can be obtained from the nozzle the ink transferred to the rollers due to the formation of a color-air mist within the Nip and the application of finely divided ink droplets to the roller shells improve.

Die Erfindung wird in der Zeichnung anhand eines Ausführungsbeispiels näher erläutert.The invention is explained in more detail in the drawing using an exemplary embodiment.

Ein von einer nicht dargestellten Bobine abgezogener Streifen 1 aus Zigarettenpapier gelangt über eine Umlenkwalze 2 zu einer angetriebenen Druck- oder Stempelwalze 3, auf deren Mantel das Druckbild (nicht sichtbar) aufgebracht ist. Die Druckwalze 3 übergibt die auf dem Druckbild enthaltene Farbe am Berührungspunkt mit einer Gegendruckwalze 4 auf den in Richtung des Pfeils 6 bewegten Zigarettenpapierstreifen 1, auf dem ein entsprechender Aufdruck aufgebracht wird.A strip 1 of cigarette paper pulled off from a bobbin, not shown, arrives via a deflection roller 2 to a driven printing or stamping roller 3 whose jacket the printed image (not visible) is applied. The pressure roller 3 passes the ink contained on the printed image at the point of contact with a counter-pressure roller 4 the cigarette paper strip 1 moved in the direction of arrow 6, on which a corresponding Imprint is applied.

Die fließfähige, bevorzugt dünnflüssige Druckfarbe befindet sich in einem Reservoir, z. B. in einer an sich bekannten Kartusche 7, mit dem Auslaß 8. Die Druckfarbe wird über eine Farbleitung 9 von dem Auslaß 8 zu dem Einlaß 9a einer Auffrageinrichtung 11 geleitet, die in einer Düse 12 mit dem Auslaß 12a endet, aus der ein Farbflüssigkeits-Luft-Gemisch 13 in den Spalt 14 zwischen zwei sich berührenden, drehenden Zufuhrwalzen 16, 17 eintritt. Die Zufuhrwalze 17 ist eine sogenannte Verreiberwalze, die die auf ihrem Umfang befindliche Farbe an den Umfang einer weiteren Walze, nämlich einer Übertragungswalze 18, abgibt, die die Druckfarbe dann auf den Mantel der Druckwalze 3 überträgt. Als Auftrageinrichtung 11 mit der Düse 12 kann eine Anordnung verwendet werden, wie sie als Valve de pulvérisation 780S von der Firma DOSAGE 2000 s.a.r.l., 62-70, rue Yvan Tourgueneff, 78380 BOUGIVAL, Frankreich, vertrieben wird. Der Auftrageinrichtung 11 wird durch Farbleitung 9 und Einlaß 9a die Farbe, durch Leitungen 19 und 21 mit den Einlässen 19a bzw. 21a Druckluft zugeführt. Die Druckluft durch Leitung 19 dient dazu, die von der Düse 12 abgegebene Farbflüssigkeit zu vernebeln. Die Druckluft durch Leitung 21 dient zur Dosierung der der Düse 12 zugeführten Farbflüssigkeit. Deren Menge wird dadurch an die wechselnde Geschwindigkeit des Zigarettenpapierstreifen 1 angepaßt, daß die Öffnungs(freigabe)zeiten der in schneller Folge geöffneten und geschlossenen Düse erhöht (bei zunehmendem Farbbedarf infolge wachsender Geschwindigkeit des Zigarettenpapierstreifens 1) oder aber erniedrigt (bei abnehmendem Farbbedarf infolge sinkender Geschwindigkeit des Zigaretten des Zigarettenpapiers 1) werden. Hierzu dient ein Zeitgeber 22, der in Abhängigkeit von der Streifengeschwindigkeit die Öffnungszeiten eines Schaltventils 23 erhöht oder erniedrigt. Das Schaltventil ist in einer Druckluftleitung 24 angeordnet, durch die Druckluft zu der Druckluftleitung 21 und von da durch den Einlaß 21a zu der Auftrageinrichtung 11 zugeführt wird.The flowable, preferably low-viscosity printing ink is in a reservoir, e.g. B. in a cartridge 7 known per se, with the outlet 8. The printing ink is passed via an ink line 9 from the outlet 8 to the inlet 9a of an interrogator 11, which ends in a nozzle 12 with the outlet 12a, from which a color liquid -Air mixture 13 enters the gap 14 between two touching, rotating feed rollers 16, 17. The feed roller 17 is a so-called distributor roller, which delivers the ink located on its periphery to the periphery of a further roller, namely a transfer roller 18, which then transfers the printing ink to the jacket of the printing roller 3. As an application device 11 with the nozzle 12, an arrangement can be used, such as Valve de pulvérisation 780S is marketed by DOSAGE 2000 sarl, 62-70, rue Yvan Tourgueneff, 78380 BOUGIVAL, France. The application device 11 is supplied with ink through the paint line 9 and inlet 9a, and compressed air through lines 19 and 21 with the inlets 19a and 21a. The compressed air through line 19 serves to atomize the paint liquid emitted by the nozzle 12. The compressed air through line 21 is used to meter the color liquid supplied to the nozzle 12. Their amount is adapted to the changing speed of the cigarette paper strip 1 in that the opening (release) times of the nozzle, which is opened and closed in quick succession, increases (with increasing color requirement due to increasing speed of the cigarette paper strip 1) or decreases (with decreasing color requirement due to falling speed) of cigarettes of cigarette paper 1). A timer 22 is used for this purpose, which increases or decreases the opening times of a switching valve 23 depending on the strip speed. The switching valve is arranged in a compressed air line 24, through which compressed air is supplied to the compressed air line 21 and from there through the inlet 21a to the application device 11.

Claims (6)

Anordnung zum Zuführen von fließfähiger Druckfarbe zu einem Druckwerk für einen Zigarettenpapierstreifen in einer Zigarettenstrangmaschine mittels einer Düse, dadurch gekennzeichnet, daß der Auslaß (12a) der von Druckgas, vorzugsweise Druckluft beaufschlagten Düse (12) im Abstand von einem von zwei drehenden Walzen (16, 17) gebildeten Spalt (14) angeordnet ist, in den ein von der Druckluft gebildetes Farbflüssigkeits-Luft-Gemisch (13) eintritt.Arrangement for supplying flowable printing ink to a printing unit for a cigarette paper strip in a cigarette rod machine by means of a nozzle, characterized in that that the outlet (12a) acted upon by compressed gas, preferably compressed air Nozzle (12) at a distance from one of two rotating rollers (16, 17) Gap (14) is arranged in which a color liquid-air mixture formed by the compressed air (13) occurs. Anordnung nach Anspruch 1, dadurch gekennzeichnet, daß den Walzen (16, 17) eine Druckwalze (3) zum Aufbringen eines Druckbildes auf den Zigarettenpapierstreifen (1) nachgeordnet ist.Arrangement according to claim 1, characterized in that the rollers (16, 17) one Print roller (3) for applying a print image to the cigarette paper strips (1) is subordinate. Anordnung nach Anspruch 1 und/oder 2, gekennzeichnet durch eine Dosiereinrichtung (22, 23, 24) für die zugeführte Druckfarbe.Arrangement according to claim 1 and / or 2, characterized by a metering device (22, 23, 24) for the supplied ink. Anordnung nach Anspruch 3, gekennzeichnet durch eine Dosierung der zugeführten Druckfarbe in Abhängigkeit von der Geschwindigkeit des Zigarettenpapierstreifens (1).Arrangement according to claim 3, characterized by metering the supplied Printing ink depending on the speed of the cigarette paper strip (1). Anordnung nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Auslaß (12a) der Düse (12) periodisch freigebbar und verschließbar ist.Arrangement according to one or more of the preceding claims, characterized in that that the outlet (12a) of the nozzle (12) can be periodically released and closed is. Anordnung nach Anspruch 5, dadurch gekennzeichnet, daß zur Dosierung der zugeführten Druckfarbe der Auslaß (12a) der Düse (12) in mehr oder weniger langen Zeitperioden freigebbar oder verschließbar ist.Arrangement according to claim 5, characterized in that for metering the supplied Printing ink of the outlet (12a) of the nozzle (12) in more or less long periods of time can be released or locked.
EP97119597A 1996-11-23 1997-11-08 Device for feeding free-flowing ink to a printing unit Withdrawn EP0844083A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19648567 1996-11-23
DE1996148567 DE19648567A1 (en) 1996-11-23 1996-11-23 Arrangement for supplying flowable printing ink to a printing unit

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EP0844083A1 true EP0844083A1 (en) 1998-05-27

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EP97119597A Withdrawn EP0844083A1 (en) 1996-11-23 1997-11-08 Device for feeding free-flowing ink to a printing unit

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JP (1) JPH10180988A (en)
CN (1) CN1186020A (en)
DE (1) DE19648567A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1022137A1 (en) * 1998-12-22 2000-07-26 Heidelberger Druckmaschinen Aktiengesellschaft Digital ink dosing
EP1415805A1 (en) * 2002-10-28 2004-05-06 Hauni Maschinenbau AG Printing apparatus with tempering unit
EP2644383A3 (en) * 2012-03-26 2014-08-20 HAUNI Maschinenbau AG Printing device for a machine for producing products for the tobacco manufacturing industry
CN115427155A (en) * 2020-04-07 2022-12-02 兰达实验室（2012）有限公司 Equipment for coating surfaces with individual granules

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19847767A1 (en) 1998-10-16 2000-04-20 Decoufle Sarl Arrangement for supplying flowable printing ink to a printing unit for a cigarette paper strip
EP1023995B1 (en) * 1999-01-28 2004-11-03 Volker Loth Machine for printing on webs
DE10006124A1 (en) * 2000-02-11 2001-08-16 Hauni Maschinenbau Ag Printing unit for printing an envelope strip for smoking articles
JP6912155B2 (en) * 2014-10-20 2021-07-28 三菱重工機械システム株式会社 Flexographic printing machine and box making machine
CN108501525B (en) * 2018-03-30 2019-08-27 重庆川之舟印务设计有限公司 A kind of printing equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH165172A (en) * 1932-11-17 1933-11-15 Albert Schnellpressen Inking unit for printing machines, in particular rotary machines.
US3345943A (en) * 1964-09-01 1967-10-10 Molins Organisation Ltd Inking devices for printers
US3901150A (en) * 1973-10-31 1975-08-26 Monarch Marking Systems Inc Ink fountain and supply system for a printing press
US4469024A (en) * 1982-10-18 1984-09-04 Press Machinery Corporation Fluid dispensing apparatus such as spray dampener for printing press and method of dispensing
FR2569611A1 (en) * 1984-09-05 1986-03-07 Assant Joel Device which can be used on offset printing machines especially for dampening and/or inking

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1588056A (en) * 1968-10-25 1970-04-03
FR2478958A1 (en) * 1980-04-01 1981-10-02 Decoufle INK SUPPLY DEVICE FOR PRINTING APPARATUSES FOR CIGARETTE-MAKING MACHINES
IT1156658B (en) * 1982-09-08 1987-02-04 Gd Spa DISTRIBUTOR DEVICE FOR VISCOUS MATERIALS
DE3440634C2 (en) * 1984-11-07 1986-09-11 J.M. Voith Gmbh, 7920 Heidenheim Device for double-sided coating of moving webs
DE4013464C2 (en) * 1990-04-27 1995-01-05 Heidelberger Druckmasch Ag Rubberizing the printing form of a printing press

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH165172A (en) * 1932-11-17 1933-11-15 Albert Schnellpressen Inking unit for printing machines, in particular rotary machines.
US3345943A (en) * 1964-09-01 1967-10-10 Molins Organisation Ltd Inking devices for printers
US3901150A (en) * 1973-10-31 1975-08-26 Monarch Marking Systems Inc Ink fountain and supply system for a printing press
US4469024A (en) * 1982-10-18 1984-09-04 Press Machinery Corporation Fluid dispensing apparatus such as spray dampener for printing press and method of dispensing
FR2569611A1 (en) * 1984-09-05 1986-03-07 Assant Joel Device which can be used on offset printing machines especially for dampening and/or inking

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1022137A1 (en) * 1998-12-22 2000-07-26 Heidelberger Druckmaschinen Aktiengesellschaft Digital ink dosing
EP1415805A1 (en) * 2002-10-28 2004-05-06 Hauni Maschinenbau AG Printing apparatus with tempering unit
EP2644383A3 (en) * 2012-03-26 2014-08-20 HAUNI Maschinenbau AG Printing device for a machine for producing products for the tobacco manufacturing industry
CN115427155A (en) * 2020-04-07 2022-12-02 兰达实验室（2012）有限公司 Equipment for coating surfaces with individual granules

Also Published As

Publication number Publication date
CN1186020A (en) 1998-07-01
JPH10180988A (en) 1998-07-07
DE19648567A1 (en) 1998-05-28

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