EP1972450A2 - Druckkopf zur Fliesendekoration - Google Patents

Druckkopf zur Fliesendekoration Download PDF

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Publication number
EP1972450A2
EP1972450A2 EP08075107A EP08075107A EP1972450A2 EP 1972450 A2 EP1972450 A2 EP 1972450A2 EP 08075107 A EP08075107 A EP 08075107A EP 08075107 A EP08075107 A EP 08075107A EP 1972450 A2 EP1972450 A2 EP 1972450A2
Authority
EP
European Patent Office
Prior art keywords
nozzle
printing head
conduit
glaze
obturator
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Withdrawn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
EP08075107A
Other languages
English (en)
French (fr)
Other versions
EP1972450A3 (de
Inventor
Gian Mario Guidotti
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.)
Ingegneria Ceramica Srl
Original Assignee
Ingegneria Ceramica 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 Ingegneria Ceramica Srl filed Critical Ingegneria Ceramica Srl
Publication of EP1972450A2 publication Critical patent/EP1972450A2/de
Publication of EP1972450A3 publication Critical patent/EP1972450A3/de
Withdrawn legal-status Critical Current

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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
    • B41J2/135—Nozzles
    • B41J2/145—Arrangement thereof
    • B41J2/155—Arrangement thereof for line printing
    • 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
    • B28B11/001—Applying decorations on shaped articles, e.g. by painting
    • 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
    • B28B11/044—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers with glaze or engobe or enamel or varnish
    • 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
    • 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
    • B41J2/14201—Structure of print heads with piezoelectric elements
    • 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
    • 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
    • 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
    • B41J2202/20—Modules

Definitions

  • the invention relates to a printing head for tile decoration.
  • the invention can be applied in printing using ceramic glazes.
  • the printing head of the present invention is preferably applicable in decoration in the ceramic sector.
  • the prior art has for a long time included techniques for printing or tile decoration, such as for example silk screening, rotary printing, flexography, etc.
  • These techniques include use of special coloured ceramic glazes, or suspensions made up of a liquid part, internally of which a quantity of mineral powders are dispersed, which provide special resistance to abrasion, as well as brilliancy and shininess, for the decorated surface of the tile.
  • intaglio technique in which the glaze is deposited on the surface of the tile by means of rollers made of an elastomer material on a smooth and elastically deformable surface of which the intaglio matrix of the design to be reproduced is cut.
  • the matrix is constituted by a plurality of miniscule cells which, specially filled with glaze by the action of at least a doctor, which has the task of scraping, cleaning the smooth surface off, in which the cells are cut, release the glaze when the roller comes into contact with the tile to be decorated.
  • Printing is done via contact (the roller presses on the surface of the tile) so although the roller is “soft”, some specific problems of ceramic decoration remain unresolved.
  • the tiles to be decorated exhibit a "structured" surface (with three-dimensional reliefs and grooves, and therefore not “smooth"), in order to simulate natural stone. In this case it is impossible for the roller to decorated the bas-reliefs, which will contact the printing matrix only with some difficulty.
  • rollers The investment for buying the printing means (rollers) is very high, considering the single cost for each roller (virgin roller + the matrix having to be cut into the roller according to the graphic design of the decoration).
  • the holes in the heads used are very small, generally in the order of a few tenths of millimetres, in order for high printing definition to be obtained.
  • a further use limitation of these ink-jet machines is connected to an intrinsic characteristics of all the suspensions, which leads to natural depositing, over time, of the solid part and to division thereof from the liquid part.
  • the aim of the present invention is to reolve the problems encountered in the prior art by providing a printing head for tile decorations which is absent from the above-cited drawbacks, in reference to both roller-type decoration and ink-jet decoration.
  • an aim of the present invention is to realise a printing head which :
  • 1 denotes in its entirety a printing head for decorating tiles 11, according to the present invention.
  • the head of the invention can be applied in in-line decorating of ceramic tiles.
  • the printing head 1 substantially comprises at least a hollow element 2, in which a conduit 3 containing a pigmented glaze 4 is afforded, preferably a ceramic glaze, which is maintained at a constant pressure.
  • a conduit 3 containing a pigmented glaze 4 is afforded, preferably a ceramic glaze, which is maintained at a constant pressure.
  • the pressure is slightly above atmospheric pressure, preferably comprised between 50 mbar and 500 mbar.
  • the hollow element 2 is made of two shells, an upper shell 2a and a lower shell 2b.
  • a continuous gasket 5 is interposed between the two shells 2a and 2b, which gasket 5 is specially shaped to ensure the seal of the conduit 3.
  • the upper shell 2a which is internally hollow, defines the majority of the conduit 3 internally of which the coloured glaze 4 flows, and the lower shell 2b, also internally hollow, exhibits at least an outlet nozzle 6 of the drops of pigment 4.
  • a plurality of outlet nozzles 6 is preferably aligned to one another, each being provided with an outlet hole 7 having a diameter comprised between 100 ⁇ m and 300 ⁇ m, advantageously between 150 ⁇ m and 250 ⁇ m.
  • the nozzles are generally made of hard metal or ceramic material, such as adequately to resist the erosion produced by the microparticles of minerals dispersed in the glaze.
  • the nozzles 6 are applied to the lower shell 2b, and are easily replaceable such as to be able to equip the head 1 with the nozzles having a diameter which is suitable for the application to be performed and the glaze to be used.
  • the printing head 1 further comprises a closed-circuit supply system 8, schematically represented and associated limitedly to a single element in figure 2 , which causes the pressurised ceramic glaze 4 to continuously circulate internally of the conduit 3.
  • a closed-circuit supply system 8 schematically represented and associated limitedly to a single element in figure 2 , which causes the pressurised ceramic glaze 4 to continuously circulate internally of the conduit 3.
  • the closed-circuit supply system 8 comprises a supply channel of the glaze to the conduit 3, a discharge channel and means for moving and pressurising the glaze in the conduit.
  • the glaze is released in the form of small drops which are launched through the holes 7 of the outlet nozzles 6.
  • the drop intercepting and launching system comprises at least an obturator 9 associated to each nozzle 6.
  • the obturator 9 is a block of material which is resistant to wear and abrasion, which exhibits a first base surface 9a which rests against the internal surface 6a of the nozzle, such as to completely close the outlet hole 7 and ensure a perfect mechanical seal.
  • a second base surface 9b, opposite the first 9a, is solidly connected to a piezo-electric actuator 10 which, following deformation thereof, moves the obturator 9.
  • the obturator 9 is mobile between a closed position of the outlet hole 7 of the nozzle 6, at which the piezo-electric actuator 10 presses the obturator 9 against the internal surface 6a of the nozzle 6, and an open position of the outlet hole 7 of the nozzle 6, at which the piezo-electric actuator 10 distances the obturator 9 from the nozzle 6.
  • the piezo-electric cactuator 10 is electrically connected to a tension generator, not illustrated, located externally of the conduit 3.
  • the piezo-electric actuator 10 is generally a bar, inserted transversally internally of the conduit 3. In the rest position the bar is perpendicular both to the longitudinal axis of the nozzle 6 and to the longitudinal axis of the conduit 3.
  • the piezo-electric actuator 10 is fixed at two points along its length, and is held elastically by the gasket 5 positioned between the two shells 2a and 2b of the element 2: in particular, a first connection point is located at a first end 10a of the bar, while a second connection point is in an intermediate position 10c of the bar.
  • the second end 10b of the bar, to which the electric connections arrive from the tension generator, is thus still external of the conduit 3, in an easily-accessible and clean zone.
  • An electronic switchboard controls the tension generator in accordance with the printing sequence set; the tension generator activates the piezo-electric actuator 10, causing it to oscillate at a suitable frequency.
  • the piezo-electric bar 10 arches upwards such that the concavity thereof faces the nozzle 6.
  • the piezo-electric bar 10 raises the obturator 9 and thus opens the outlet hole 7 of the nozzle 6.
  • each nozzle 6 is associated to a relative obturator 9 and a respective piezo-electric actuator 10.
  • each piezo-electric actuator 10 is controlled independently of another, and according to the length of the impulse received from the control switchboard, can proportionally generate drops of various sizes.
  • the opening time of the obturator preferably varies between 0.2 and 2 ms.
  • the "variable dot” technique can be realised.
  • This technique includes the dropping of drops of glaze having different sizes according to nuances and tone intensity to be achieved in the various parts of the motifs to be printed.
  • the overall graphic effect depends, apart from the reciprocal position of the deposited drops, on their size too, and thus the quantity of colour released from each drop.
  • a printing head 1 comprises a plurality of hollow elements 2 arranged partially side-by-side and inclined in a fishbone arrangement, each hollow element 2 being provided with a plurality of reciprocally aligned outlet nozzles 6.
  • the hollow elements 2 are located side-by-side and inclined such that the projection of the distance between the axes of any two contiguous nozzles of each hollow element 2 in a predetermined direction is less, according to a fixed ratio, than the distance itself.
  • the direction is none other than the motion direction relative to the support to be printed on or decorated by the head.
  • the elements 2 are arrayed in a fishbone-arrangement, such as to reduce the distance between the nozzles 6 of adjacent elements 2, and thus to cover the surface 11 a of the tile 11 to be decorated as uniformly as possible.
  • the printing head 1 On the basis of the dimensions of the tile 11, the printing head 1 has a larger or smaller number of elements 2 coupled to one another.
  • the nozzle 6 and the obturator 9 are made of an abrasion-resistant material, such as to resist the erosive action of the ceramic powders present in the glaze 4.
  • the mechanical coupling between the obturator 9 and the internal surface 6a of the nozzle 6, achieved simply with a pressure of the base surface 9a of the obturator 9 against the internal surface 6a of the nozzle 6, without any interference, joint or insertion of one in the other, prevents both further rubbing and wear on the surfaces and unpleasant drawbacks due for example to the delay in opening the nozzle 6 due to the presence of granules along the walls of the hole 7, which obstruct the relative sliding between the obturator 9 and the hole 7.
  • the printing head 1 of the present invention exhibits the great advantage of being both mechanically and electronically adjustable, so that the head is extremely flexible and versatile, and adaptable to various desired applications, and to various ceramic glazes at present available and in use, exhibiting various physical-chemical characteristics.
  • the size of the hole can be varied, by mounting a nozzle with a suitable diameter to the application to be effect or the glaze to be used.
  • a nozzle having a larger or smaller diameter, avoiding the unpleasant drawback of obstruction of the nozzle.
  • the pressure at which the glaze is maintained in circulation intnerally of the conduit of the head can be adjusted. In this way the quantity of glaze exiting from the nozzle can be varied, thus by consequence varying the size of the drops, all according to the density and viscosity of the glaze.
  • the supply system also enables a modification of the speed of circulation of the glaze internally of the conduit; the continuous motion of the glaze prevents sedimentation of the mineral powder contained in the suspension, a vital condition for good functioning of the head.
  • the supply tension of the piezo-electric actuator influences the dimension of the opening and closing run of the obturator, modulating the size of the drops according to the passage hole, apart from the opening time of the nozzle. It is thus possible to perform this modulation in agreement with the physical-chemical characteristics of the glaze.
  • the opening time of each single zone can be regulated point by point, independently of the opening time of the other nozzles.
  • this has a positive effect on the final graphic effect obtained.
  • This technique can be advantageously used not only for decoration, but thanks to the generous sizes of the drops of glaze which can be obtained it can also be employed in full-surface glazing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Decoration By Transfer Pictures (AREA)
  • Printing Methods (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Ink Jet (AREA)
EP08075107A 2007-03-20 2008-02-11 Druckkopf zur Fliesendekoration Withdrawn EP1972450A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000098A ITMO20070098A1 (it) 2007-03-20 2007-03-20 Testina di stampa per decorazioni di piastrelle.

Publications (2)

Publication Number Publication Date
EP1972450A2 true EP1972450A2 (de) 2008-09-24
EP1972450A3 EP1972450A3 (de) 2009-07-01

Family

ID=39579943

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08075107A Withdrawn EP1972450A3 (de) 2007-03-20 2008-02-11 Druckkopf zur Fliesendekoration

Country Status (2)

Country Link
EP (1) EP1972450A3 (de)
IT (1) ITMO20070098A1 (de)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2085225A3 (de) * 2008-01-30 2010-01-06 Ingegneria Ceramica S.r.l. Druckkopf mit Düsenreinigungsvorrichtung und Verfahren zur Dekoration und Düsenreinigung in Bezug auf den Druckkopf
EP2404724A1 (de) * 2010-07-09 2012-01-11 Tecno System S.r.l. Verfahren zum digitalen Dekorieren von keramischen Fliesen und Vorrichtung zur durchführung dieses Verfahren
WO2014111606A1 (es) 2013-01-21 2014-07-24 Torrecid, S.A Esmalte digital para elevados gramajes, sin el empleo de antisedimentantes
GB2516845A (en) * 2013-07-31 2015-02-11 Ingegneria Ceramica S R L An Improved Actuator and Method of Driving Thereof
EP2842753A1 (de) 2013-08-29 2015-03-04 IN.TE.SA. S.p.A. Druckkopf zum Dekorieren von keramischen Substraten
GB2517904A (en) * 2013-07-31 2015-03-11 Ingegneria Ceramica S R L An Improved Obturator and Method of Fabrication Thereof
US9744762B2 (en) 2013-07-31 2017-08-29 I.C. S.R.L. Con Socio Unico Actuator for a printhead
EP3187337A4 (de) * 2014-08-29 2017-09-13 Kerajet, S.a. Vorrichtung, verfahren und maschine zur abscheidung von flüssigkeiten auf einer oberfläche
WO2018104568A1 (es) 2016-12-05 2018-06-14 Torrecid, S.A. Esmalte cerámico de elevado tamaño de partícula y contenido en sólidos
IT201600131820A1 (it) * 2016-12-28 2018-06-28 Cementhai Ceram Co Ltd Dispositivo e macchina di stampa per manufatti in materiale da costruzione
IT201900023223A1 (it) * 2019-12-06 2021-06-06 Francesco Schinco Macchina per l'applicazione di strati di smalto su manufatti
WO2021110771A1 (de) * 2019-12-05 2021-06-10 Progress Maschinen & Automation Ag Druckkopf
CN114464450A (zh) * 2022-01-25 2022-05-10 华研电子科技(徐州)有限公司 一种变压器绝缘套管制作加工机械及制作加工方法
WO2023156855A1 (en) * 2022-02-15 2023-08-24 Ricoh Company, Ltd. Liquid discharge head and liquid discharge apparatus

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986005722A1 (en) * 1985-03-25 1986-10-09 Kingbrook Limited Fluid applicator
DE19626428A1 (de) * 1996-07-01 1998-01-15 Heinzl Joachim Tröpfchenwolkenerzeuger
EP1036660A1 (de) * 1999-03-15 2000-09-20 Tally GmbH Piezobiegewandler Drop-on-Demand Druckkopf sowie Verfahren zu dessen Ansteuerung
WO2001051573A1 (en) * 2000-01-07 2001-07-19 Ferro Corporation Individual inks and an ink set for use in the color ink jet printing of glazed ceramic tiles and surfaces
EP1334811A2 (de) * 2002-02-07 2003-08-13 System S.p.A. Verfahren und Vorrichtung zum Dekorieren von keramischen Fliesen oder Platten
US20050001881A1 (en) * 2003-04-28 2005-01-06 Hiroaki Nakashima Ink jet head unit and ink jet recording apparatus mounted with the same
EP1652672A1 (de) * 2004-11-02 2006-05-03 Samsung Electronics Co., Ltd. Tintenstrahldruckkopf mit Hebelarmbetätiger

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986005722A1 (en) * 1985-03-25 1986-10-09 Kingbrook Limited Fluid applicator
DE19626428A1 (de) * 1996-07-01 1998-01-15 Heinzl Joachim Tröpfchenwolkenerzeuger
EP1036660A1 (de) * 1999-03-15 2000-09-20 Tally GmbH Piezobiegewandler Drop-on-Demand Druckkopf sowie Verfahren zu dessen Ansteuerung
WO2001051573A1 (en) * 2000-01-07 2001-07-19 Ferro Corporation Individual inks and an ink set for use in the color ink jet printing of glazed ceramic tiles and surfaces
EP1334811A2 (de) * 2002-02-07 2003-08-13 System S.p.A. Verfahren und Vorrichtung zum Dekorieren von keramischen Fliesen oder Platten
US20050001881A1 (en) * 2003-04-28 2005-01-06 Hiroaki Nakashima Ink jet head unit and ink jet recording apparatus mounted with the same
EP1652672A1 (de) * 2004-11-02 2006-05-03 Samsung Electronics Co., Ltd. Tintenstrahldruckkopf mit Hebelarmbetätiger

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2085225A3 (de) * 2008-01-30 2010-01-06 Ingegneria Ceramica S.r.l. Druckkopf mit Düsenreinigungsvorrichtung und Verfahren zur Dekoration und Düsenreinigung in Bezug auf den Druckkopf
EP2404724A1 (de) * 2010-07-09 2012-01-11 Tecno System S.r.l. Verfahren zum digitalen Dekorieren von keramischen Fliesen und Vorrichtung zur durchführung dieses Verfahren
WO2014111606A1 (es) 2013-01-21 2014-07-24 Torrecid, S.A Esmalte digital para elevados gramajes, sin el empleo de antisedimentantes
GB2516845A (en) * 2013-07-31 2015-02-11 Ingegneria Ceramica S R L An Improved Actuator and Method of Driving Thereof
GB2517904A (en) * 2013-07-31 2015-03-11 Ingegneria Ceramica S R L An Improved Obturator and Method of Fabrication Thereof
US9586411B2 (en) 2013-07-31 2017-03-07 I.C. S.R.L. Con Socio Unico Obturator and method of fabrication thereof
US9586395B2 (en) 2013-07-31 2017-03-07 I.C. S.R.L. Con Socio Unico Actuator and method of driving thereof
US9744762B2 (en) 2013-07-31 2017-08-29 I.C. S.R.L. Con Socio Unico Actuator for a printhead
EP2842753A1 (de) 2013-08-29 2015-03-04 IN.TE.SA. S.p.A. Druckkopf zum Dekorieren von keramischen Substraten
EP3187337A4 (de) * 2014-08-29 2017-09-13 Kerajet, S.a. Vorrichtung, verfahren und maschine zur abscheidung von flüssigkeiten auf einer oberfläche
WO2018104568A1 (es) 2016-12-05 2018-06-14 Torrecid, S.A. Esmalte cerámico de elevado tamaño de partícula y contenido en sólidos
EP3527540A4 (de) * 2016-12-05 2020-06-17 Torrecid, S.A. Keramikglasur mit grossen partikeln und hohem feststoffgehalt
IT201600131820A1 (it) * 2016-12-28 2018-06-28 Cementhai Ceram Co Ltd Dispositivo e macchina di stampa per manufatti in materiale da costruzione
WO2018122737A1 (en) * 2016-12-28 2018-07-05 Cementhai Ceramics Co., Ltd. Printing device and machine for building material articles
CN110430982A (zh) * 2016-12-28 2019-11-08 Scg建筑材料有限公司 用于建筑材料制品的印刷装置和机器
CN110430982B (zh) * 2016-12-28 2021-03-30 Scg建筑材料有限公司 用于建筑材料制品的印刷装置和机器
WO2021110771A1 (de) * 2019-12-05 2021-06-10 Progress Maschinen & Automation Ag Druckkopf
CN114981090A (zh) * 2019-12-05 2022-08-30 发展机械及自动化股份公司 打印头
IT201900023223A1 (it) * 2019-12-06 2021-06-06 Francesco Schinco Macchina per l'applicazione di strati di smalto su manufatti
CN114464450A (zh) * 2022-01-25 2022-05-10 华研电子科技(徐州)有限公司 一种变压器绝缘套管制作加工机械及制作加工方法
CN114464450B (zh) * 2022-01-25 2023-11-24 华研电子科技(徐州)有限公司 一种变压器绝缘套管制作加工机械及制作加工方法
WO2023156855A1 (en) * 2022-02-15 2023-08-24 Ricoh Company, Ltd. Liquid discharge head and liquid discharge apparatus

Also Published As

Publication number Publication date
EP1972450A3 (de) 2009-07-01
ITMO20070098A1 (it) 2008-09-21

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