EP2698256B1 - Dispositif d'impression, tête d'impression destinée à celui-ci et procédé d'aspiration de couleur d'impression - Google Patents

Dispositif d'impression, tête d'impression destinée à celui-ci et procédé d'aspiration de couleur d'impression Download PDF

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Publication number
EP2698256B1
EP2698256B1 EP13176464.9A EP13176464A EP2698256B1 EP 2698256 B1 EP2698256 B1 EP 2698256B1 EP 13176464 A EP13176464 A EP 13176464A EP 2698256 B1 EP2698256 B1 EP 2698256B1
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EP
European Patent Office
Prior art keywords
printing
suction
print head
container
ink
Prior art date
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Application number
EP13176464.9A
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German (de)
English (en)
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EP2698256A1 (fr
EP2698256B2 (fr
Inventor
Andreas Kraus
Andreas Sonnauer
August Peutl
Thomas Fischer
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Krones AG
Original Assignee
Krones AG
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/1714—Conditioning of the outside of ink supply systems, e.g. inkjet collector cleaning, ink mist removal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
    • B41J3/40733—Printing on cylindrical or rotationally symmetrical objects, e. g. on bottles

Definitions

  • the present invention relates to a printing apparatus having the features of independent claim 1.
  • the invention relates to a method for sucking sprayed and / or sprayed ink in the region of a printhead having the features of independent method claim 11.
  • Printing devices for printing articles such as containers or bottles are known, among other things, as so-called direct printing devices, which normally comprise at least one electronically or digitally controllable print head with which the articles, containers or bottles can be printed.
  • the at least one print head is at least during a printing operation in a defined relative position to a printing area on an article or container outer surface, so that the defined pressure range can be acted upon by the printing fluid, ink or ink.
  • Such a direct printing method can replace a label, since the printing area is an item of equipment which, similar to a conventional label, indicates the content and / or can form a promotional motif.
  • Electrostatic printheads such as ink-jet printheads or similar printheads, which have a plurality of individual nozzles, which are normally arranged in the form of a matrix and can be controlled individually, can be used for such direct printing processes, so that any desired motifs can be produced. Since the print area is usually much larger than the coverage area of the nozzle array of the printhead, either the printhead or the print area for creating the subject must be moved relative to one another by the printing process, or both. If multi-colored motifs are generated, the printing device can be formed by a plurality of printheads, each with different colors, which are normally in a fixed spatial relationship to each other, but optionally also the pressure ranges of several containers can be assigned, as it is, for example. In the EP 2 152 519 A1 is disclosed.
  • the spray of finely divided ink or ink particles can be deposited undesirably on elements of the respective printing device and / or on parts of the machine environment where it causes contamination that can only be removed again with a high cleaning effort. Also, a discharge of the precipitates of ink particles on other machine parts and their enrichment can lead to significant pollution problems and malfunction. Especially with high machine performance and the associated high transport speeds turbulence may additionally arise, which may increase the pressure fog and / or contribute to an imprecise print image.
  • ink or ink particles that have precipitated outside of the actual print area may not be detected by a curing station that uses UV light and may not cure. These particles can be wiped off and thereby also get into the drink that is filled into the container, which, depending on the printing ink used, can lead to impairments of taste or even to health risks.
  • the EP 2 250 026 A1 proposes to reduce the pollution problem and to improve the print quality, a printing device for printing bottles and containers with multiple printing positions, each having a container carrier in the form of a bottle or container dish and a stamp for fixing the bottle or container on the plate.
  • Each printing position or each plate is associated with a sleeve-like housing which completely encloses and accommodates the container or the bottle in the closed state.
  • the housing or protective sleeve continues to print heads, with which the bottle or container are printed, possibly with several different colors.
  • Fixing devices for curing the printing ink are also located inside the lockable housing.
  • a suction device is used to aspirate sprayed ink, which sucked by means of several suction tubes on an upper side of the housing and via manifolds or pipes to a common Suction device is guided.
  • each protective sleeve is formed so that at the bottom of the closed protective sleeve a slot-shaped opening for a supply air flow remains in the protective sleeve interior.
  • the in the EP 2 250 026 A1 proposed suction device requires a significant construction cost for the mechanically closable and openable protective sleeves for each printing position, since all individual protective sleeves must be precisely controlled without disturbing the container flow or influence.
  • the suction upwards requires a sufficient volume flow of the suction device, but can not prevent that a part of the ink is entrained before hitting the pressure range of the container upwards and precipitates in unfavorable circumstances in the upper region of the container, where the precipitated particles may not be achieved by the curing device and / or may result in a reduction in the quality feel and / or print quality of the entire container.
  • a primary object of the invention is to provide a printing device for printing articles such as containers or bottles with at least one print head which avoids the mentioned disadvantages.
  • the printing device should have a mechanically simple construction and be able to remove and / or avoid the largest possible amounts of spray of ejected ink without exposing larger article or container outer surfaces to the spray mist.
  • the invention proposes a printing device with at least one print head, which is at least during a printing operation in a defined relative position to a printing area on an article or container outer surface and is prepared for liquid ink on the article, the container or to apply the bottle, either in single-color or multi-color printing, which then hardens and dries and can replace in this way a subsequently applied label.
  • the printing head or the printing device is provided with a suction device for Suction of sprayed and / or sprayed ink coupled spatially and functionally associated with the at least one print head.
  • the suction device is not only located in the vicinity of the print head and its outlet openings, so that print mist is sucked from the environment of the print head and / or the print area, but that largely all leaked from the print head and Particles, satellites, droplets, etc. detached from the ink to be applied to the container, which are capable of settling and precipitating as a disturbing pressure mist outside the actual printing area, are sucked off in the immediate vicinity of the discharge openings of the ejected liquid ink ejection head. and preferably immediately after their formation and not after the formation of a pressure mist in the vicinity of the printing device.
  • the suction device does not suck the detached particles and droplets from a larger spatial environment, a chamber o. The like., But immediately after their formation at the outlet openings of the print head, so that they are already sucked, before they precipitate on the container or the machine environment and can lead to disturbing paint mist there.
  • the printing device according to the invention is suitable for printing on all types of articles, packaging, containers, bottles, cans, etc., which have a definable pressure range on their outer surfaces and are accessible to a print head.
  • the suction device is thus arranged in the immediate vicinity of outlet openings in the print head for the printing ink.
  • the suction device can optionally be combined in a structural unit with the print head and / or integrated in this.
  • the suction device can, for example, have one, two, three or more suction openings and / or suction slots, which can optionally be integrated in the print head or in its housing or arranged on the outside of the print head.
  • An integrated arrangement may, for example, be configured in such a way that a plurality of suction slots are arranged on both sides of nozzle openings of the print head, so that the suction slots in the direction of movement in front of and behind the nozzle openings when the article or container for generating the printed image at fixed stationary printhead is oscillated in the horizontal direction.
  • the printhead can either be fixed or arranged to be movable.
  • the extraction according to the invention can also be realized with a movable print head.
  • the suction would have to be stationary to the printhead and move with this.
  • the suction slots can be arranged above and below the nozzle openings, so that the suction slots are located in the direction of movement above and below the nozzle openings when the article or container for generating the printed image with fixed printhead oscillating in the vertical direction and / or in combined Directions is moved.
  • annular or annular segment-shaped suction openings are conceivable, which are arranged annularly around the central nozzle openings.
  • numerous other design variants for the intake ports are conceivable, such as. Outside on the housing of the print head mounted suction nozzles, suction lines, suction slots o. The like., Which can be designed either removable or disassembled.
  • the floating droplets produced by the printing process - the so-called satellite droplets - are sucked off adjacent to the nozzles of the print head.
  • a gap is required, is to be sucked from the pressure mist during the printing process.
  • the deflection of the ink droplets emitted by the printing nozzles at high speed should be as low as possible in order not to impair the print quality.
  • Advantageous for this purpose is a suction around the print head or an extraction in front of and behind the print head in the direction of movement of the object to be printed.
  • the suction device can be acted upon by variable and / or controllable suction pressure, wherein the suction pressure can be differently adjustable and / or adjustable for two or more suction openings or slots, for example.
  • the Drucknebelabsaugung can be set to different operating conditions such as, for example, to different distances of the print head of the printing area to be printed on the article or container.
  • different suction pressures at two or more suction ports of the print head may be useful if, for example, the suction flow is to be impressed on a particular direction or if this should be variable depending on the respective processing and / or printing speeds.
  • An intake slot width of a suction slot or a suction opening may, for example, be between 0.1 mm and 10 mm, preferably between 0.2 and 7 mm, particularly preferably 0.2 to 5 mm. These dimensions have proven to be advantageous in practice, with the larger cross-sections and slot widths are useful to use when the distance between the print head and the printing area on the article or container is relatively large, which is particularly in uneven print area or relief-like forms on the Container shell surface is necessary, since in this case, a relatively large volume flow is required for effective extraction.
  • the pressure interval may, for example, be up to 7 mm or more.
  • the flow velocities along the suction slot can be influenced and varied and thus adapted to the typical production location of the ink mist.
  • An increase in the flow rate can be achieved, for example, by a cross-sectional constriction.
  • the generation of the necessary negative pressure or suction volume flow can optionally be done centrally via distributed lines or locally for the individual print heads or their suction devices.
  • each of the suction openings can be equipped with devices for retaining sucked-in liquid, such as a so-called ink trap, for example in the form of a trough, a sponge or the like, so that the print heads can be pivoted (for example when changing format or product), without it and / or settled or condensed liquid ink emerges from the suction opening.
  • a trough or channel may be arranged in a lower region of the suction opening, so that in the region of the suction condensed or precipitated pressure fluid is held there and can be removed before it undesirably exits the suction before it was entrained by the suction flow.
  • the printhead together with the suction device should also be able to be operated variably in an inclined position, or else it can be tilted for maintenance purposes or during product changes, it is necessary to be able to prevent the ink droplets sucked out by suitable measures.
  • This can be realized, for example, by the mentioned ink traps, by a bypass with a suction device, by sucking sponges or similar devices.
  • the printing device may be assigned or arranged downstream of a fixing device for curing the ink on the printing area of the article, the container or the bottle, which covers a fixing area which is greater than the printing area and extends to several, preferably all sides beyond this printing area.
  • each printhead can optionally be assigned its own hardening or fixing device, which can provide partial hardening after each applied color. After applying the complete printing of a container this can be subjected to UV curing, for example.
  • the invention further relates to a print head for applying liquid ink to a printing area, which is in particular part of a printing device according to one of the previously described embodiments and has an integrated suction device.
  • the invention comprises a method for aspirating sprayed and / or sprayed ink in the immediate vicinity of ink jet orifices of a printhead which is prepared for applying liquid ink to a printing area of an article, container or bottle or the like and which at least during a printing operation in a defined relative position to the printing area is located on an article or container outer surface.
  • a plurality of detached satellites and / or floating droplets of the liquid ink near the printing area, in particular in the immediate vicinity of the outlet openings of the printhead and / or in close proximity to the printing area of the article or container are sucked off.
  • At least one suction opening can bear a variable volume flow, which can be between 0 and approximately 20 m 3 / h.
  • a variable volume flow which can be between 0 and approximately 20 m 3 / h.
  • different and / or variable volume flows can also be applied to a plurality of suction openings, each of which can be between 0 and approximately 20 m 3 / h.
  • an error detection which is coupled to the suction device in such a way that the suction device is regulated or controlled as a function of optical measurement parameters obtained in error detection
  • an additional housing or guide elements of the respective printing stations in order to be able to direct the exhaust air flows more accurately and completely exclude a pressure mist formation outside the pressure ranges in this way.
  • different variants of a multi-color printing are conceivable, such as.
  • the two schematic views of Fig. 1 show a plastic container 10 which is printed by means of a printing device 12 according to the invention in a direct printing process on its outer circumferential surface 14.
  • the plastic container 10 may in particular be a PET container, as it is used in the beverage industry in large numbers.
  • the container 10 can be filled in a downstream filling station with a liquid such as a drink and then sealed gas-tight at its top opening.
  • the printing device 12 comprises at least one print head 16, which is located at least during a printing operation in a defined relative position to a pressure region 18 on the container lateral surface 14 and is prepared to apply liquid ink 20 to the container 10 or the bottle.
  • the printing ink 20 applied in the printing area 18 can be cured, for example by means of UV curing, by heating or by other suitable measures.
  • This curing (not shown) can optionally take place immediately after the printing of each individual container 10 in an immediately subsequent processing step or in a downstream treatment station.
  • ink 20 to printing area 18 can be done either in single-color or multi-color printing, where multi-color printing normally requires multiple print heads 16, each successively different in color 20 apply.
  • This type of direct printing can replace a subsequently applied label.
  • the printing can also be applied to a previously applied blank label.
  • the print head 16 of the printing device 12 is coupled to a suction device 22 for sucking sprayed and / or sprayed ink 20, which is indicated by the broken arrows in the side view of FIG Fig. 1a and in the plan view of Fig. 1b is indicated, which each indicate a suction air flow 24, the sprayed and / or sprayed ink 20 sucked out of a space between the print head 16 and the print area 18.
  • the aspirator 22 is associated with the printhead 16 both spatially and functionally.
  • the suction device 22 is disposed in close proximity to outlet openings 28 in the print head 16 for the ink 20. Like the Fig. 2 indicates, the suction device 22 combined in a structural unit with the print head 16 and integrated into the housing 26.
  • the suction device 22 comprises a plurality of suction slots 30, wherein the suction slots 30 are optionally arranged on both sides of the acted upon with the ink 20 nozzle openings 28 of the print head 16, so that the suction slots 30 in the direction of movement in front of and behind the nozzle openings 28th are located when the container 10 is moved to generate the printed image with fixed printhead 16 oscillating in the horizontal direction (see., Double arrow of Fig. 1b ).
  • oscillating motion is not meant to be limiting in this context, but essentially means that an oscillating motion component is present.
  • non-circular and / or non-rotatable form containers can be printed with a direct printing method, which are moved with a fixed printhead or against which the print head is moved. Normally, relative movements between the surface to be printed and the printhead 16 are required without having to specify these relative movements more accurately.
  • the suction slots 30 can be arranged above and below the nozzle openings 28, so that the suction slots 30 are located in the direction of movement above and below the nozzle openings 28, when the container 10 moves to generate the printed image with fixed printhead 16 oscillating in the vertical direction becomes (see double arrow of the Fig. 1a ).
  • the supply of the print head 16 with printing ink 20 is also indicated by an arrow as the suction air flow 24 of the suction device 22nd
  • FIG. 3 illustrates the flow conditions that can arise when printing a container 10 by means of a direct printing device 12. Due to the relative movement of the container 10 to be printed and the superimposition of the suction flows 24, a container-specific flow profile 34 is created in a gap 32 between the container 10 and the print head 16. By means of the volume flows 36 of suction air routed through the suction slots 30, the pressure mist 38 in the intermediate space 32 is to be sucked off , The deflection of the ink droplets 40 should remain as low as possible in order not to adversely affect the print quality.
  • an extraction has been found to be advantageous with suction slots 30 arranged around the outlet openings 28 of the print head 16, optionally an arrangement of the suction slots 30 in front of and behind the print head 16 in its direction of movement (corresponding to FIG Fig. 1b ).
  • an optimal suction of the pressure mist 38 can additionally be achieved with minimal influence on the ink-jet pressure or the ink droplets 40 applied in this context in the region of the flow profile 34. Possibly.
  • the occurring airflow profiles and thus the required extraction capacities can be determined.
  • a variable adaptation and / or a controllable or adjustable suction pressure may be meaningful, wherein the suction pressure may, for example, be differently adjustable and / or regulatable for two or more intake openings or slots 30.
  • the Drucknebelabsaugung can be adjusted to different operating conditions such as.
  • different suction pressures to two or more suction ports 30 of the print head 16 may be useful if, for example, the suction flow 36 is to be impressed a certain direction in order to influence the flow profile 34.
  • the Fig. 4 shows a schematic longitudinal section through a variant of an intake passage 42 of the print head 16.
  • the flow velocities 46 of the volume flows 36 along the intake slot 30 are varied and adapted to the production of the pressure mist 38 become.
  • An increase in the flow rate 46 can be achieved, for example, by a cross-sectional constriction.
  • the flow rate 46 can be adjusted by different or variable suction powers.
  • the intake slot width of the intake slots 30 may, for example, be between 0.1 mm and 10 mm, preferably between 0.2 and 7 mm, particularly preferably between 0.2 and 5 mm. These dimensions have been found in practice to be advantageous, with the larger cross-sections and slot widths are useful to use when the distance 32 between the print head 16 and the printing area 18 on the container 10 is relatively large, which is particularly uneven print area 18 or relief-like Expressions on the container lateral surface 14 is necessary, since in this case a relatively large volume flow 36 is required for effective extraction. In such container surfaces 14, the pressure interval 32 may be, for example, up to 7 mm or more.
  • the Suction volume flow With too small cross sections of the suction openings 30, however, a large suction volume flow would lead to a very high air velocity of the suction flow, which could negatively influence the print quality under certain circumstances, since in this case also portions of the printing ink are sucked off or the printing ink emerging at high speed from the nozzles could be distracted.
  • the Suction volume flow At very small distances between the print head and pressure range of, for example, 1 mm or less, the Suction volume flow, however, turn out smaller, which also makes smaller slit widths and - cross sections of the intake are reasonable.
  • the volume flows 36 of the suction can, for example, be between 0 and 20 m 3 / h.
  • each of the suction openings or slots 30 can be provided with suitable means for retaining sucked-in liquid, such as a so-called ink trap 48 (cf. Fig. 5 ), eg. In the form of a trough 50, a sponge 52 (see. Fig. 4 ) o.
  • ink trap 48 cf. Fig. 5
  • sponge 52 see. Fig. 4
  • a trough 50 or gutter may be arranged in a lower region of the suction opening 30, so that in the region of the suction port 30 condensed or precipitated pressure fluid is held there and, for example, withdrawn via a bypass line 54 and the suction flow 36 can be supplied (see. Fig. 4 ).
  • FIG. 6 shows a conveying section of a container treatment and / or filling plant 56 with a printing area 58 for direct printing of containers 10, which are moved on a transport star 60 and brought to the printing area 58.
  • a rotating infeed star 62 conveys the containers 10 to the transport star 60 of the plant 56, while a rotating discharge star 64 transports the containers to another station, for example to a bottling plant, where the containers 10 are filled with liquid.
  • the Fig. 6 also indicates an optional fixing device 66 for curing the printing ink on the printing area 18 of each container 10.
  • the fixing device 66 can also be arranged on the outer circumference of the transport star 60, but is necessarily arranged downstream of the pressure region 58.
  • a fixing area on the container lateral surface 14 which is greater than the pressure range 18 and to several, preferably all sides beyond this pressure range 18 extends, so reliably all knocked down on the container 10, but in most cases hardly visible droplets are fixed and can not be blurred in later treatment steps.
  • FIG. 7 shows a further variant of a container handling and / or bottling plant 56, wherein the printing area 58 is disposed within the transport star 60 and is concentric with this adjustable to apply different inks on several containers 10 at the same time, as in a similar manner, for example.
  • the trained as a ring pressure range 58 may in this case have a plurality of printing stations, each with a plurality of printheads for different colors, which can be assigned to the respective containers 10 by rotating the ring. Since the ring can be rotated in both directions depending on the pressure progress, several adjacent containers, possibly each with different printing inks, can be sprayed simultaneously.
  • the suction device 22 according to the invention is also associated with each of the printheads, wherein a central suction line for the ring of the pressure region 58 may be useful.
  • each container receptacle is assigned at the periphery of the carousel at least one print head 16 with the suction device according to the invention.
  • two printheads 16 can preferably also be arranged, for example if a shoulder region of bottles is also to be printed and for this purpose an upper printhead is oriented in an angled manner so that it is substantially perpendicular to the shoulder surface of the bottle.
  • an upper printhead is oriented in an angled manner so that it is substantially perpendicular to the shoulder surface of the bottle.
  • the carousels can be arranged in modular succession.
  • the aspirated ink droplets can be supplied for disposal via appropriate traps.
  • the ink droplets can also be transferred from the liquid to the solid state of aggregation via a hardened form adapted to the ink and filtered or precipitated accordingly.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Ink Jet (AREA)

Claims (13)

  1. Dispositif d'impression (12) destiné à l'impression d'articles tels qu'emballages, récipients (10) ou bouteilles, comprenant au moins une tête d'impression (16) qui est située, au moins pendant une opération d'impression, dans une position relative définie par rapport à une zone d'impression (18) sur une surface extérieure d'article ou de récipient (14), et qui est couplée à un dispositif d'aspiration (22) destiné à aspirer de l'encre d'imprimerie pulvérisée et/ou projetée, dans lequel ledit dispositif d'aspiration (22) est associé dans l'espace et de manière fonctionnelle à ladite au moins une tête d'impression (16), caractérisé par le fait que le dispositif d'aspiration (22) peut être soumis à une pression d'aspiration variable et/ou commandable ou réglable.
  2. Dispositif d'impression selon la revendication 1, dans lequel le dispositif d'aspiration (22) est disposé à proximité immédiate d'orifices de sortie (28) dans la tête d'impression (16) pour l'encre d'imprimerie.
  3. Dispositif d'impression selon la revendication 1 ou 2, dans lequel le dispositif d'aspiration (22) est réuni en une unité constructive avec ladite tête d'impression (16) et/ou est intégré à celle-ci.
  4. Dispositif d'impression selon l'une quelconque des revendications 1 à 3, dans lequel le dispositif d'aspiration (22) présente un(e), deux, trois ou plusieurs orifices d'aspiration et/ou fentes d'aspiration (30).
  5. Dispositif d'impression selon l'une quelconque des revendications précédentes, dans lequel la pression d'aspiration pour deux ou plusieurs orifices d'aspiration ou fentes (30) est réglable et/ou ajustable respectivement de manière différente.
  6. Dispositif d'impression selon l'une quelconque des revendications précédentes, dans lequel une largeur de fente d'aspiration d'une fente d'aspiration (30) ou bien d'un orifice d'aspiration est comprise entre 0,1 mm et 10 mm, de préférence entre 0,2 et 7 mm, de manière particulièrement préférée entre 0,2 et 5 mm.
  7. Dispositif d'impression selon l'une quelconque des revendications précédentes, dans lequel chacun des orifices (42) ou canaux d'aspiration est équipé de dispositifs destinés à retenir du liquide aspiré (48).
  8. Dispositif d'impression selon l'une quelconque des revendications précédentes, auquel est associé un dispositif de fixation (66) pour durcir l'encre d'imprimerie sur la zone d'impression (18) de l'article, du récipient (10) ou de la bouteille, qui recouvre une zone de fixation laquelle est plus grande que la zone d'impression (18) et s'étend au-delà de cette zone d'impression (18) de plusieurs côtés, de préférence de tous les côtés.
  9. Tête d'impression (16) destinée à appliquer de l'encre d'imprimerie liquide sur une zone d'impression (18) d'un article, d'un récipient (10) ou d'une bouteille, qui fait partie d'un dispositif d'impression (12) selon l'une quelconque des revendications 1 à 8 et qui comprend un dispositif d'aspiration (22) intégré.
  10. Procédé d'aspiration d'encre d'imprimerie pulvérisée et/ou projetée à proximité immédiate d'orifices de sortie (28) pour l'encre d'imprimerie d'une tête d'impression (16) qui est préparée pour appliquer de l'encre d'imprimerie liquide sur une zone d'impression (18) d'un article, d'un récipient (10) ou d'une bouteille ou similaire et qui se trouve, au moins pendant une opération d'impression, dans une position relative définie par rapport à la zone d'impression (18) sur une surface extérieure d'article ou de récipient (14), caractérisé par le fait qu'un débit volumique (36) variable et/ou commandable ou réglable est appliqué à au moins un orifice d'aspiration (30).
  11. Procédé selon la revendication 10, dans lequel une pluralité de satellites détachés et/ou de gouttelettes flottantes de l'encre d'imprimerie liquide sont aspirés à proximité de la zone d'impression (18), en particulier à proximité immédiate des orifices de sortie (28) de la tête d'impression (16) et/ou à proximité immédiate de la zone d'impression (18) de l'article ou du récipient (10).
  12. Procédé selon la revendication 10 ou 11, dans lequel le débit volumique (36) variable appliqué à au moins un orifice d'aspiration (30) est compris entre 0 et environ 20 m3/h.
  13. Procédé selon l'une quelconque des revendications 10 à 12, dans lequel à plusieurs orifices d'aspiration (30) sont appliqués des débits volumiques (36) respectivement différents et/ou variables qui sont compris chacun entre 0 et environ 20 m3/h.
EP13176464.9A 2012-08-13 2013-07-15 Dispositif d'impression, tête d'impression destinée à celui-ci et procédé d'aspiration de couleur d'impression Active EP2698256B2 (fr)

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CN109572207B (zh) * 2018-10-31 2020-08-04 重庆宏劲印务有限责任公司 一种光油喷涂形式在瓶体上打印立体图案的装置和方法
JP7184462B2 (ja) * 2019-01-31 2022-12-06 株式会社吉野工業所 内容液入りボトルの製造方法
EP3978260A3 (fr) * 2020-09-30 2022-06-29 Ricoh Company, Ltd. Procédé et système de fabrication d'un produit de contenant
CN117207671B (zh) * 2023-11-09 2024-02-06 芯体素(杭州)科技发展有限公司 一种用于气动式直写打印针头的形貌控制装置及应用

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US5774141A (en) 1995-10-26 1998-06-30 Hewlett-Packard Company Carriage-mounted inkjet aerosol reduction system
GB2316364A (en) 1996-08-15 1998-02-25 Linx Printing Tech An ink jet printer and a cleaning arrangement thereof
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CH695555A5 (de) 2002-04-04 2006-06-30 Faes Ag Druckverfahren und Druckmaschine für dreidimensionale Druckobjekte.
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DE102006053821A1 (de) 2006-11-14 2008-05-15 Francotyp-Postalia Gmbh Druckeinrichtung mit Tintennebelabsaugung
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EP2698256B2 (fr) 2022-08-17
CN103587250B (zh) 2016-09-14
CN103587250A (zh) 2014-02-19
DE102012214349A1 (de) 2014-02-13

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