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WO2016135545A1 - Dispositif d'impression et machine permettant d'imprimer des carreaux ou des dalles en céramique - Google Patents

Dispositif d'impression et machine permettant d'imprimer des carreaux ou des dalles en céramique Download PDF

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Publication number
WO2016135545A1
WO2016135545A1 PCT/IB2015/060005 IB2015060005W WO2016135545A1 WO 2016135545 A1 WO2016135545 A1 WO 2016135545A1 IB 2015060005 W IB2015060005 W IB 2015060005W WO 2016135545 A1 WO2016135545 A1 WO 2016135545A1
Authority
WO
WIPO (PCT)
Prior art keywords
tank
printing
printing device
enamel
solenoid valves
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.)
Ceased
Application number
PCT/IB2015/060005
Other languages
English (en)
Inventor
Roberta CROCI
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.)
G Tech Srl
Original Assignee
G Tech Srl
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 G Tech Srl filed Critical G Tech Srl
Publication of WO2016135545A1 publication Critical patent/WO2016135545A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B41J2/135—Nozzles
    • B41J2/14—Structure thereof only for on-demand ink jet heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/04—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers
    • B28B11/048—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers by spraying or projecting
    • 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
    • B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
    • B41J2202/01—Embodiments of or processes related to ink-jet heads
    • B41J2202/05—Heads having a valve

Definitions

  • the present invention relates to a device (or printhead) and a printing machine for ceramic tiles or slabs, particularly for the screen printing or imprinting by using high volume enamels on ceramic plate-like objects. Therefore, the present invention finds particular application in ceramic manufacturing industry, and particularly in enamelling and staining (screen for example) of tiles or the like.
  • each printing device consists of a number of piezoelectric valves arranged in succession, each defining a varnish delivery nozzle.
  • each valve involves the use of a deformable crystal that, once excited with variable voltage as a function of a driving signal, allows for the passage of a predetermined amount of enamel.
  • Such nozzles are all defined by piezoelectric actuators, each associated with a separate enamel tank.
  • such a device is usable for only the ejection and distribution of enamels with low/mid volume, in which the particles have dimensions (i.e. diameter) much lower to a hundredth of a millimetre (in the order of microns or of tens of micron).
  • Object of the present invention is to provide a printing device and machine for ceramic tiles or slabs that overcome the drawbacks of the prior art mentioned above.
  • object of the present invention is to provide a printing device and machine for ceramic tiles or slabs, which allow the delivery of high volume enamels.
  • object of the present invention is to provide a printing device for ceramic tiles or slabs structurally simple and easy to be maintained or replaced.
  • a printing device for ceramic tiles or slabs comprising a containment body having at least one operating face provided with a plurality of printing nozzles and a plurality of solenoid valves for the delivery of enamel, each solenoid valve being associated with an enamel tank and a printing nozzle.
  • the valves are solenoid valves.
  • the delivery solenoid valves are each associated with a printing nozzle and extend between an outlet mouth, located at the nozzle, and an inlet mouth, associated with an enamel tank.
  • the delivery solenoid valves each comprise a tubular body, a shutter movable inside the tubular body, and an activation/driving coil or solenoid.
  • the tubular body develops within the containment body from the outlet mouth, located at the operating face, away therefrom.
  • the solenoid valves have a shutter having a first portion embedded into said tank, associated with a respective nozzle and movable towards and away therefrom between a locking position, in which it occludes the nozzle, and a releasing position, in which it allows the delivery of enamel.
  • the presence of solenoid valves in place of piezoelectric valves allows to increase the volume of enamel to be treated and delivered, allowing the printing and screen printing even with high volume enamels, e.g. containing pigments with particle size greater than 10 ⁇ , particularly comprised between 10 and 30 ⁇ .
  • the enamel tank is housed in the containment body.
  • the printing device comprises a card for driving the solenoid valves placed within the containment body and associated to the coil or solenoid of each solenoid valve.
  • the printing device is substantially self- sufficient, i.e. stand-alone, requiring simply a link to enamel pumping circuit to be operative.
  • the printing machine comprises a frame comprising at least a plane, a rod extending along its own main direction and facing to said plane, movement means for the bar along a direction transverse to said main direction, and a plurality of printing devices according to the present invention connected to the bar and arranged in succession along said main direction.
  • such devices are removable and releasable from the bar without having to remove or dismount other components, thus making very easy the maintenance of the system.
  • FIG. 1 shows an exploded perspective view of a first embodiment of a printing device for ceramic tiles or slabs according to the present invention
  • FIG. 2 shows a cross-sectional view of the device of Figure 1 ;
  • FIG. 3 shows a cross-sectional view of an alternative embodiment of a printing device for ceramic tiles or slabs according to the present invention;
  • FIG. 4 shows a bottom view of the device of Figure 1 or 3, in an assembled condition
  • FIG. 5 shows a plan view of a printing machine for ceramic tiles or slabs according to the present invention.
  • number 1 indicates a printing device (or printhead) for ceramic tiles or slabs according to the present invention.
  • the printing device 1 (or printhead) is thus preferably used within a more complete printing machine 100 for ceramic tiles or slabs in general.
  • the machine 100 (and thus the device 1 ) is therefore used for printing, staining and enamelling of ceramic plate-like elements, as tiles, by using special enamels.
  • the performable processes are screen printing type processes or the creation of "structures”.
  • the enamels usable for printing by the device 1 according to the present invention are water-based enamels both at low and high volume.
  • high volume is meant define those enamels containing particles of considerable size, generally higher than a tenth of a millimetre, which normally are not processable and dispensable by known printing devices, such as the piezoelectric devices.
  • enamels having a particle size (of the pigments) greater than 10 ⁇ , preferably between 10 and 30 ⁇ .
  • the printing machine 100 thus comprises a frame 101 comprising at least a plane 101 a on which the ceramic tiles or slabs are laid, with the face to be processed (i.e. to be stained) facing away from the plane 101 a.
  • a printing bar 103 is associated, which is adapted to realize the staining.
  • the bar 103 extends along its own main direction "A" and facing to said plane 101 a.
  • the bar 103 is made as a portal above the plane 101 a facing hereto.
  • movement means 104 are also associated, which are configured to move it along a direction transverse to said main direction "A".
  • the machine 100 is provided with a plurality of printing devices 1 connected to the bar 103 and arranged in succession along the main direction "A".
  • the machine 100 also includes an enamel-pumping circuit (not shown), connected to an enamel primary vessel and provided with one or more recirculation pumps.
  • a control unit 107 is connected to the pump and devices for activating them according to a drawing or the preset degree of colouration.
  • the pumping circuit operates at a pressure comprised between 1 and 10 bar, preferably about 3 bar.
  • the printing devices 1 are arranged in succession to each other on at least a first 105 and a second row 106 arranged side by side.
  • the devices 1 of the first row 105 are offset relative to the devices of the second row 106.
  • the resolution of the printing is increased until also 58 or 60 dpi.
  • the device or head 1 i.e., the main object of the present invention, it comprises a containment body 2 having at least one operating face 3 provided with a plurality of printing nozzles 4.
  • the containment body 2 is thus preferably defined by a box-like body 5 having at least one base 5a (or first base) and a side enclosure 5b delimiting a containment volume "V".
  • the side enclosure 5b comprises a plurality of side walls angled to each other to define a polygonal perimeter of the containment body 2.
  • the base 5a defines the operating face 3 and is thus provided with a plurality of holes defining the printing nozzles 4.
  • the nozzles 4 are arranged in succession along a predetermined extension direction "B".
  • the nozzles 4, and thus the holes formed in the base 5a are aligned along at least one row extending along this extension direction "B".
  • the nozzles 4 are arranged on at least one first 6a and a second row 6b arranged side by side.
  • the nozzles 4 are arranged on a plurality of first 6a and second rows 6b arranged side by side and alternate each other.
  • the nozzles 4 of the first row 6a are offset relative to the nozzles of the second row 6b.
  • each device 1 or head
  • the resolution of the printing of each device 1 is increased until also 14.5 dpi.
  • the device comprises a plurality of delivery valves 7, each of which associated with one of the nozzles 4.
  • valves 7 are solenoid valves 8, 80.
  • each solenoid valve 8 extends between an outlet mouth 8a or delivery mouth, located at the nozzle 4, and an inlet mouth 8b, placed in fluid connection with, i.e. associated with, an enamel tank 9.
  • each delivery solenoid valve 8 includes a tubular body 10, a shutter 20 movable inside the tubular body 10, and an activation coil 1 1 or solenoid.
  • the solenoid valve 8 has an operating frequency between 1000 and 1500 Hz, preferably about 1200 Hz.
  • the solenoid valve 8 in particular at least the parts in contact with the enamel, are made from one or more of the following materials:
  • the tubular body 10 extends within the containment body 2 starting from the outlet mouth 8a, placed at the operating face 3 away therefrom.
  • Fastening means 19 are also provided, which are housed within the containment body 2 and acting to fixedly constrain the solenoid valves 8 to the operating face 3.
  • the fastening means 19 are preferably defined by a drilled plate 19a anchored to the containment body 2 and provided with a plurality of apertures, each traversed by a tubular body 10.
  • the solenoid valves 8 extend starting from the base 5a of the boxlike body 5 within the containment volume "V".
  • the tubular bodies 10 are arranged in array and extend parallel to each other within such a containment volume "V".
  • the coil 1 1 is arranged around the respective tubular body, preferably at an intermediate zone between the enamel inlet mouth 8b and the enamel outlet mouth 8a.
  • the outlet mouth 8a of the solenoid valve 8 is in collaboration with the respective hole of the base 5a, a nozzle 4.
  • the outlet mouth 8a has a diameter between 0.1 and 1 mm, preferably between 0.2 and 0.6 mm.
  • the device 1 of the invention is possible to dispense high volume enamels and obtain novel quality products.
  • the device 1 is configured so that the enamel tank 9, 90 is housed within the containment body 2.
  • the device comprises the tank 9, 90 that is integrated therein.
  • the tank 9, 90 of the single device is placed in fluid connection with the valves 7 (in particular with the solenoid valves 8, 80) and with an enamel primary vessel.
  • the tank 9, 90 has at least a first 9a, 9b, and a second aperture 90a, 90b, designed to enable a continuous inlet and outlet flow from the enamel tank 9, 90.
  • these openings 9a, 9b, 90a, 90b are placed in connection with the pumping circuit, i.e. the vessel, associated to the printing machine 100.
  • each device comprises a respective enamel storage tank 9, from which the valve 7 (or solenoid valves 8) directly draws being traversed by the enamel.
  • the tank 9 is positioned at a zone of the containment body 2 distally from the operating face 3.
  • the tank 9 is located at the input mouths 8b of the tubular bodies 10 in order to provide them with enamel.
  • the solenoid valves 8 are placed so that at least the respective input mouths 8b are embedded (and at least in fluid connection) with the tank 9.
  • the tank 9 is spaced from the operating face 3 (i.e. the base 5a) to define a free space for accommodating a part of the solenoid valves 8, and in particular for accommodating the coils 1 1 .
  • the tank 90 is at least partially bounded by the operating face 3.
  • the tank is adjacent to the operating face 3 and has itself the plurality of nozzles 4.
  • the solenoid valves are not traversed by the enamel, but have a shutter 81 having a first portion 81 a embedded in the tank 90.
  • a first portion 81 a is associated with a respective nozzle 4 and movable towards and away therefrom between a locking position, in which it occludes the nozzle 4, and a releasing position, in which it allows the delivery of enamel.
  • valves are not traversed by the enamel, avoiding any problems of clogging.
  • the device 1 comprises a further air tank 91 .
  • Such further tank 91 is placed in fluid connection with a second portion 81 b of the shutter 81 facing the first 91 a.
  • such additional tank 91 is associable (i.e. associated during use) with a pressurized pneumatic circuit.
  • control unit 107 of the machine 100 is adapted to detect the pressure within the tank 90 and within the further tank 91 by special sensors.
  • the pressure in the enamel recirculation circuit and in the pressurized pneumatic circuit could be detected.
  • the control unit 107 is configured to control at least said pressurized pneumatic circuit to maintain the pressure within the further tank 91 substantially equivalent to the pressure within the tank 90 in order to reduce the stress on the solenoid valves 80.
  • the stiffness of the elastic member associated with the shutter is minimized and, consequently, the energy required by the solenoid 1 1 to move the shutter from the locking to the releasing position (the solenoid valve 80 is "normally closed") is minimized.
  • the further tank 91 is positioned at a zone of the containment body 2 distally from the operating face 3.
  • the second embodiment described herein is structurally analogous to the first one with the addition of the enamel tank 90 below the solenoid valves 80.
  • the tank 90 of the first embodiment corresponds structurally to the further tank 91 of the second one.
  • both the embodiments have at least one tank 9, 91 (for enamel or air) placed in fluid connection with the solenoid valves 8, 80 so that the same draw either enamel or air.
  • the containment body 2 i.e. the box-like body 5
  • the containment body 2 comprises a first 5a and a second base 5c facing each other and a plurality of side walls 5b, in which the first base 5a includes the operating face 3.
  • At least one intermediate septum 12 is provided, which is interposed between the first 5a and said second base 5c.
  • Such intermediate septum 12 delimits, in collaboration with the second base 5c (and part of the side walls 5b), the tank 9 or the further tank 91 .
  • the device 1 comprises a temperature sensor 21 associated with the tank 9.
  • Such sensor is configured to send to the control unit 107 a signal representative of the temperature of the enamel in the tank.
  • the control unit 107 is configured to determine a change in temperature of the enamel in the primary vessel as a function of a comparison between such signal and a reference signal.
  • the machine 100 comprises the presence of heating means (e.g. a resistance) associated to the primary vessel to change its temperature.
  • heating means e.g. a resistance
  • the solenoid valves 8 are received at least partially.
  • a temperature detector 22 associated with that compartment (between the first base 5a and the intermediate septum 12) for measuring its temperature.
  • Such detector is configured to send to the control unit 107 a signal representative of the temperature of the coils 1 1 in the compartment.
  • the control unit 107 is configured to determine a temperature shift in such a compartment for a comparison between such signal and a reference signal.
  • the machine 100 comprises the presence of cooling means (e.g. blowing nozzles) associated with the compartment (i.e., preferably placed between the first base 5a and the intermediate septum 12 vessel primary, in order to change the respective temperature.
  • cooling means e.g. blowing nozzles
  • the compartment i.e., preferably placed between the first base 5a and the intermediate septum 12 vessel primary, in order to change the respective temperature.
  • the intermediate septum 12 has a plurality of through holes 12a, each traversed by one end of a solenoid valve 8, 80 to allow the draft of the enamel in the tank 9 or of the air from the further tank 91 by the respective inlet mouth.
  • the intermediate septum 12 has a plurality of holes 12a each aligned and facing to a corresponding hole of the first base 5a, i.e. to each nozzle 4.
  • each hole 12a is provided with its own seal 13. More precisely, the seal 13 is defined by an annular seal interposed between a hole edge 12a and the end of the solenoid valve 8 (i.e. the tubular body 10).
  • the device 1 comprises a card 14 for driving the valve 7 (i.e. the solenoid valves 8), which is also placed within the containment body 2. More precisely, the card 14 is associated to the coil 1 1 or solenoid of each solenoid valve 8 in order to excite it; preferably, the driving of the coil 1 1 is executed by the card 14 according to a received signal from the control unit 107 of the machine 100.
  • the valve 7 i.e. the solenoid valves 8
  • the card 14 is associated to the coil 1 1 or solenoid of each solenoid valve 8 in order to excite it; preferably, the driving of the coil 1 1 is executed by the card 14 according to a received signal from the control unit 107 of the machine 100.
  • the driving card 14 is housed in the containment body 2 and interposed between the tank 9 (or the further tank 91 ) and the operating face 3 (i.e., the first base 5a).
  • the solenoid valves 8 extend (between the tank 9, 91 and the operating face 3) crossing the driving card 14.
  • the driving card 14 comprises a plurality of holes 14a each traversed by a portion of a solenoid valve 8.
  • the holes 14a of the card 14 are each aligned and facing to a corresponding hole of the first base 5a, i.e. to each nozzle 4.
  • the holes 14a of the card 14 are each aligned and facing to a corresponding hole of the intermediate septum 12.
  • the card 14 is not self-powered.
  • a power and/or driving cable 15 is provided, extending from the card 14 and linked or linkable to the control unit 107 of the machine 100.
  • the power and/or driving cable 15 departs therefrom crossing the tank 9 or the further tank 91 .
  • the power and/or driving cable 15 is of the flat type with seizure connector.
  • the tank comprises a central channel 9c traversed by said cable 15. More precisely, the tank 9, 91 extends annularly around its own central channel 9c, 91 c, through which the power and/or driving cable 15 passes. In order to ensure the seal, such a central canal 9c, 91 c is also provided with its own seal 18, which prevents leakage both between the tank and the volume "V" and outwardly.
  • both the second base 5b and the intermediate septum 12 are provided with respective through slots 16, 17, through which the cable 15 runs, so that it can be connected to the control unit 107.
  • Such through slots define the inlet and outlet ports of the central channel 9c through which the cable 15 passes.
  • the invention achieves the intended aim and achieves important advantages.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Ink Jet (AREA)

Abstract

La présente invention concerne un dispositif d'impression pour carreaux ou dalles en céramique, comprenant un corps de confinement (2) présentant au moins une face d'actionnement (3) pourvue d'une pluralité de buses d'impression (4) et d'une pluralité d'électrovannes (8) pour la distribution d'émail, chaque électrovanne étant associée à un réservoir d'émail (9) et à une buse d'impression (4).
PCT/IB2015/060005 2015-02-27 2015-12-28 Dispositif d'impression et machine permettant d'imprimer des carreaux ou des dalles en céramique Ceased WO2016135545A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ITMI20150303 2015-02-27
ITMI2015A000303 2015-02-27
ITMI2015A000561 2015-04-17
ITMI20150561 2015-04-17

Publications (1)

Publication Number Publication Date
WO2016135545A1 true WO2016135545A1 (fr) 2016-09-01

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PCT/IB2015/060005 Ceased WO2016135545A1 (fr) 2015-02-27 2015-12-28 Dispositif d'impression et machine permettant d'imprimer des carreaux ou des dalles en céramique

Country Status (1)

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WO (1) WO2016135545A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201600131820A1 (it) * 2016-12-28 2018-06-28 Cementhai Ceram Co Ltd Dispositivo e macchina di stampa per manufatti in materiale da costruzione
IT201700019466A1 (it) * 2017-02-21 2018-08-21 Tecno Italia S R L Dispositivo e metodo per la decorazione di manufatti mediante stampa digitale
CN108943348A (zh) * 2018-08-20 2018-12-07 佛山市赛普飞特机械有限公司 一种使用陶瓷粉料的数码打印设备
IT201700067828A1 (it) * 2017-06-19 2018-12-19 Kromia S R L Macchina di smaltatura per supporti ceramici.
EP3603981A1 (fr) * 2018-08-01 2020-02-05 Ricoh Company, Ltd. Tête d'évacuation de liquide, unité de tête, appareil d'évacuation de liquide et procédé d'évacuation de liquide
CN112793312A (zh) * 2021-01-07 2021-05-14 佛山市赛普飞特科技有限公司 干粒数码打印装置
IT201900023223A1 (it) * 2019-12-06 2021-06-06 Francesco Schinco Macchina per l'applicazione di strati di smalto su manufatti
EP4069516A1 (fr) * 2019-12-05 2022-10-12 Progress Maschinen & Automation AG Tête de pression
IT202300002250A1 (it) * 2023-02-09 2024-08-09 Antonella Dolcini Dispositivo per la smaltatura di oggetti
EP4227051A4 (fr) * 2021-11-30 2024-08-14 Foshan Hope Digital Printing Equipment Co., Ltd. Dispositif numérique de pulvérisation de glaçure céramique

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WO1994008794A1 (fr) * 1992-10-16 1994-04-28 Willett International Limited Procede de montage de dispositifs
DE19528809A1 (de) * 1995-08-05 1997-02-06 Rea Elektronik Gmbh Tintenstrahl-Schreibkopf
US20060098060A1 (en) * 2002-07-11 2006-05-11 Horsnell David A Device and method of operation
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EP2371569A1 (fr) * 2010-04-01 2011-10-05 Tecno System S.r.l. Dispositif pour supporter les têtes d'une machine à impression digitale sur le carrelage
WO2012058373A2 (fr) * 2010-10-27 2012-05-03 Matthews Resources, Inc. Imprimante à jet par clapet ayant un embout de piston plongeur inerte
EP2777938A1 (fr) * 2013-03-15 2014-09-17 Tecno - Italia S.R.L. Tête pour la décoration numérique de produits en céramique
WO2015015453A1 (fr) * 2013-07-31 2015-02-05 Ingegneria Ceramica Srl Obturateur amélioré et procédé pour sa fabrication

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994008794A1 (fr) * 1992-10-16 1994-04-28 Willett International Limited Procede de montage de dispositifs
DE19528809A1 (de) * 1995-08-05 1997-02-06 Rea Elektronik Gmbh Tintenstrahl-Schreibkopf
US20060098060A1 (en) * 2002-07-11 2006-05-11 Horsnell David A Device and method of operation
EP2058099A1 (fr) * 2007-11-06 2009-05-13 T.S.C. S.p.A. Méthode pour l'application de matérieaux granulaires et/ou pulvérulents sur un produit et appareil pour réaliser cette méthode
EP2371569A1 (fr) * 2010-04-01 2011-10-05 Tecno System S.r.l. Dispositif pour supporter les têtes d'une machine à impression digitale sur le carrelage
WO2012058373A2 (fr) * 2010-10-27 2012-05-03 Matthews Resources, Inc. Imprimante à jet par clapet ayant un embout de piston plongeur inerte
EP2777938A1 (fr) * 2013-03-15 2014-09-17 Tecno - Italia S.R.L. Tête pour la décoration numérique de produits en céramique
WO2015015453A1 (fr) * 2013-07-31 2015-02-05 Ingegneria Ceramica Srl Obturateur amélioré et procédé pour sa fabrication

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018122737A1 (fr) * 2016-12-28 2018-07-05 Cementhai Ceramics Co., Ltd. Dispositif d'impression et machine pour construire des articles en matériau
IT201600131820A1 (it) * 2016-12-28 2018-06-28 Cementhai Ceram Co Ltd Dispositivo e macchina di stampa per manufatti in materiale da costruzione
IT201700019466A1 (it) * 2017-02-21 2018-08-21 Tecno Italia S R L Dispositivo e metodo per la decorazione di manufatti mediante stampa digitale
IT201700067828A1 (it) * 2017-06-19 2018-12-19 Kromia S R L Macchina di smaltatura per supporti ceramici.
US10987927B2 (en) 2018-08-01 2021-04-27 Ricoh Company, Ltd. Liquid discharge head, head unit, apparatus for discharging liquid, and liquid discharging method
EP3603981A1 (fr) * 2018-08-01 2020-02-05 Ricoh Company, Ltd. Tête d'évacuation de liquide, unité de tête, appareil d'évacuation de liquide et procédé d'évacuation de liquide
CN108943348A (zh) * 2018-08-20 2018-12-07 佛山市赛普飞特机械有限公司 一种使用陶瓷粉料的数码打印设备
CN108943348B (zh) * 2018-08-20 2024-06-04 佛山市赛普飞特科技有限公司 一种使用陶瓷粉料的数码打印设备
EP4069516A1 (fr) * 2019-12-05 2022-10-12 Progress Maschinen & Automation AG Tête de pression
IT201900023223A1 (it) * 2019-12-06 2021-06-06 Francesco Schinco Macchina per l'applicazione di strati di smalto su manufatti
CN112793312A (zh) * 2021-01-07 2021-05-14 佛山市赛普飞特科技有限公司 干粒数码打印装置
EP4227051A4 (fr) * 2021-11-30 2024-08-14 Foshan Hope Digital Printing Equipment Co., Ltd. Dispositif numérique de pulvérisation de glaçure céramique
IT202300002250A1 (it) * 2023-02-09 2024-08-09 Antonella Dolcini Dispositivo per la smaltatura di oggetti
WO2024165965A1 (fr) * 2023-02-09 2024-08-15 Dolcini Antonella Dispositif d'émaillage d'objets tels que des dalles et carreaux en céramique

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