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WO2008132117A1 - Appareil et procédé pour impression, par sublimation, d'écritures, dessins ou images sur un support, également de grandes dimensions - Google Patents

Appareil et procédé pour impression, par sublimation, d'écritures, dessins ou images sur un support, également de grandes dimensions Download PDF

Info

Publication number
WO2008132117A1
WO2008132117A1 PCT/EP2008/054946 EP2008054946W WO2008132117A1 WO 2008132117 A1 WO2008132117 A1 WO 2008132117A1 EP 2008054946 W EP2008054946 W EP 2008054946W WO 2008132117 A1 WO2008132117 A1 WO 2008132117A1
Authority
WO
WIPO (PCT)
Prior art keywords
solid support
sublimation
porous material
sheet
plate
Prior art date
Application number
PCT/EP2008/054946
Other languages
English (en)
Inventor
Luca Gortan
Original Assignee
Gortan 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 Gortan Srl filed Critical Gortan Srl
Publication of WO2008132117A1 publication Critical patent/WO2008132117A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F16/00—Transfer printing apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/035—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of pre-printed design, e.g. sublistatic
    • B41M5/0358—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of pre-printed design, e.g. sublistatic characterised by the mechanisms or artifacts to obtain the transfer, e.g. the heating means, the pressure means or the transport means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/26—Printing on other surfaces than ordinary paper
    • B41M1/30—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials

Definitions

  • the present invention concerns an apparatus and method for printing, by sublimation, writings, drawings or images on a support, such as for example a furnishing element, or the surface of a structure, also large-size.
  • the support to be printed preferably comprises a layer of plastic material, for example polymer, which defines the surface on which the writings, drawings or images are to be impressed.
  • a method of printing by sublimation which provides to use an apparatus that comprises a sublimation chamber in which there is a heating plate, and a device able to create a depression inside the sublimation chamber.
  • the known method provides that an operator inserts manually on the heating plate of the sublimation chamber, in order: a sheet or layer of porous material; a sublimation card; a support to be printed. Subsequently, the operator activates the apparatus, so that inside the sublimation chamber a determinate temperature and a determinate pressure are reached which, in practice, cause the transfer by sublimation onto the support to be printed of the writings, drawings and images on the sublimation card. Once the sublimation process has finished the operator waits for the support, already printed, to completely cool, which is then removed manually, as is the sublimation card and the porous material. The whole printing step lasts about 40-45 minutes.
  • the known sublimation method provides a single heating plate so that a non-uniform temperature is distributed on the two faces of the support to be printed, with possible different dilations on it.
  • the support to be printed may therefore be subjected to slight deformations which are typically manifested in the form of unwanted curves. Furthermore, it is sometimes necessary to proceed with other working in order to eliminate the unwanted curves and make the printed support rectilinear again.
  • Purpose of the present invention is to achieve an apparatus and perfect a method for printing, by sublimation, writings, drawings or images on a support, also large-size, which optimizes the quality of the printing, preventing the formation of imperfections and deformations, and which considerably reduces the time needed for the production of a single print.
  • the Applicant has devised, tested and embodied the present invention to overcome the shortcomings of the state of the art and to obtain these and other purposes and advantages.
  • an apparatus according to the present invention is able to be used to print, by sublimation, writings, drawings or images on a support, also large-size.
  • the apparatus comprises a printing device provided with at least a first plate on which a single solid support to be printed, a sublimation card and a layer or sheet of porous material are able to be disposed.
  • the printing device also comprises a second plate, disposed parallel to said first plate to form a compartment in which said solid support to be printed, said sublimation card and said layer or sheet of porous material are able to be disposed.
  • the printing device also comprises heating means able to heat said two plates which thus become two heating plates. This allows to obtain a uniform temperature distribution on the two faces of the solid support thus preventing different dilatations on it and the consequent deformations deriving therefrom.
  • the apparatus comprises a loading device able to be loaded with a plurality of supports to be printed, a plurality of sublimation cards and a plurality of layers or sheets of porous material.
  • the loading device is also able to feed sequentially and selectively a printing device with a single solid support, a single sublimation card and a single sheet of porous material, disposing them one above the other in said order.
  • a pressure means is able to press the two heating plates reciprocally one against the other, with interposed a solid support, a sublimation card and a layer or sheet of porous material.
  • the apparatus comprises a cooling device with two plates, both cooling, between which the solid support to be printed, removed from the printing device, is able to be inserted by means of suitable automatic transport means, and is able to be compressed by means of known pressure means. This allows to obtain a uniform cooling of the solid support thus preventing any troublesome curves from occurring.
  • Using the loading device and said automatic means allows to limit human intervention only to the supervision and control of the process. This considerably reduces the working times and increases the quantity of material printed in a determinate time range compared with the case where everything is done manually by an operator.
  • FIG. 1 is a schematic view of an apparatus according to the present invention.
  • - fig. 2 is a schematic front view of a detail in fig. 1 ;
  • - fig. 3 is a schematic front view of a second detail in fig. 1.
  • an apparatus 10 for printing by sublimation writings, drawings or images on a solid support 30, comprises a loading device 12, a printing device 14, first automatic transport means 16, a cooling device 18 and second automatic transport means 20.
  • the loading device 12 which can be of any known type and therefore is not shown in detail in the drawings, is able to be loaded with a plurality of solid supports 30, a plurality of sublimation cards 32, on which the writings, drawings or images to be transferred by sublimation onto the solid supports 30 have previously been impressed by known means, and a plurality of layers or sheets of porous material 34.
  • the loading device 12 is also able to feed the printing device 14 (fig. 2) sequentially and selectively with a single solid support 30, a single sublimation card 32 and a single layer or sheet of porous material 34.
  • the printing device 14 which is disposed in proximity or contact with the loading device 12, comprises a first heating plate 26 (fig. 2) disposed below in a fixed position, a second heating plate 28, disposed above the first heating plate 26 and parallel to it in order to form a compartment 27 in which the solid support 30, the sublimation card 32 and the sheet of porous material 34 are able to be disposed one above the other, in order.
  • the second heating plate 28 is selectively mobile towards the first heating plate 26 by means of a pressure means 36, for example consisting of a hydraulic press, of a known type and not shown in the drawings.
  • the pressure means 36 is able to impart a determinate pressure, for example comprised between about 1 bar and about 4.5 bar, on the second heating plate 28 in order to facilitate the transfer by sublimation of the writings, drawings or images contained in the sublimation card 32 to the solid support 30.
  • the first automatic transport means 16 is able to remove the solid support 30, the sublimation card 32 and the sheet of porous material 34 from the compartment 27, when the last step of sublimation has been completed, and also to separate them and collect the sublimation card 32 and the sheet of porous material 34 to be regenerated or recycled.
  • the cooling device 18 comprises a first cooling plate 40 (fig.
  • the second cooling plate 42 is selectively mobile towards the first cooling plate 40 by means of a pressure means 42, for example consisting of a hydraulic press, of a known type and not shown in the drawings.
  • the pressure means 46 is able to impart a determinate pressure, for example comprised between about 1 bar and about 4.5 bar, on the second cooling plate 42 so as to allow an optimum fixing of the writings, drawings or images transferred by sublimation as specified above.
  • the second automatic transport means 20 is able to remove the solid support 30 from the compartment 41, when the last cooling step is completed, and to send it, possibly, towards devices for labeling and packaging.
  • the loading device 12 feeds the printing device 14 sequentially and selectively with a single solid support 30, a single sublimation card 32 and a single sheet of porous material 34, which are disposed one above the other, in the order listed, in the compartment 27 formed by the two heating plates 26, 28.
  • the pressure means 36 is activated to impart a determinate pressure on the second heating plate 28 so as to compress and heat the solid support 30, the sublimation card 32 and the sheet of porous material 34, thus starting the sublimation step.
  • the first automatic transport means 16 removes the solid support 30, the sublimation card 32 and the sheet of porous material 34 from the compartment 27, separates them and collects the sublimation card 32 and the sheet of porous material 34 to be regenerated or recycled.
  • the solid support 30, instead, is disposed by the first automatic transport means 16 in the compartment 41 formed by the cooling plates 40, 42 of the cooling device.
  • the pressure means 46 is activated to impart a determinate pressure on the second cooling plate 42 so as to compress and cool the solid support 30, allowing to fix the writings, drawings or images transferred by sublimation in an optimum fashion.
  • the second automatic transport means 20 removes the solid support 30 from the compartment 41 and possibly sends it towards labeling and packaging devices. It is clear that modifications and/or additions of parts or steps may be made to the apparatus and method as described heretofore, without departing from the field and scope of the present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electronic Switches (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)

Abstract

L'invention concerne un appareil et un procédé pour une impression, par sublimation, d'écritures, de dessins ou d'images sur un support solide (30), également de grandes dimensions, comprenant un dispositif d'impression (14) comportant au moins une première plaque (26) sur laquelle le support solide (30), une carte de sublimation (32) et une couche ou une feuille de matière poreuse (34) peuvent être disposés. Le dispositif d'impression (14) comprend également une seconde plaque (28) disposée parallèlement à la première plaque (26) afin de former un compartiment (27) dans lequel le support solide (30), la carte de sublimation (32) et la couche ou feuille de matière poreuse (34) peuvent être disposés et comprend également des moyens de chauffage aptes à chauffer à la fois la première plaque (26) et la seconde plaque (28).
PCT/EP2008/054946 2007-04-27 2008-04-23 Appareil et procédé pour impression, par sublimation, d'écritures, dessins ou images sur un support, également de grandes dimensions WO2008132117A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITUD20070078 ITUD20070078A1 (it) 2007-04-27 2007-04-27 Apparecchiatura e procedimento per stampare, per sublimazione, scritte, disegni o immagini su un supporto, anche di grandi dimensioni.
ITUD2007A000078 2007-04-27

Publications (1)

Publication Number Publication Date
WO2008132117A1 true WO2008132117A1 (fr) 2008-11-06

Family

ID=39577629

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/054946 WO2008132117A1 (fr) 2007-04-27 2008-04-23 Appareil et procédé pour impression, par sublimation, d'écritures, dessins ou images sur un support, également de grandes dimensions

Country Status (2)

Country Link
IT (1) ITUD20070078A1 (fr)
WO (1) WO2008132117A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1363145A (en) * 1970-07-22 1974-08-14 Toppan Printing Co Ltd Dyeing process
US3860388A (en) * 1972-09-25 1975-01-14 John M Haigh Disperse dye transfer through polyolefin release layer to non-porous thermoplastic sheet dyed thereby
US4174250A (en) * 1978-04-10 1979-11-13 Freeman Transfer Printing Company, Inc. Apparatus for sublimation imprinting tiles
WO1996018509A1 (fr) * 1994-12-14 1996-06-20 Delta Technology, Inc. Preconditionnement d'un substrat pour accelerer la sublimation d'un colorant disperse
US5997677A (en) * 1990-05-08 1999-12-07 General Electric Company Method to apply a colored decorative design on a substrate of plastics
US6300279B1 (en) * 2000-03-31 2001-10-09 Joseph Macedo Method for applying decorative designs to wood substrates
US6332941B1 (en) * 1999-10-04 2001-12-25 Invincible Products, Inc. Modular floor tile with superimposed images
JP2005290598A (ja) * 2004-03-31 2005-10-20 Sanshou:Kk 熱転写方法及びプレス機
WO2007048827A1 (fr) * 2005-10-28 2007-05-03 Gortan Srl Appareil et procede d'impression sur un support

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1363145A (en) * 1970-07-22 1974-08-14 Toppan Printing Co Ltd Dyeing process
US3860388A (en) * 1972-09-25 1975-01-14 John M Haigh Disperse dye transfer through polyolefin release layer to non-porous thermoplastic sheet dyed thereby
US4174250A (en) * 1978-04-10 1979-11-13 Freeman Transfer Printing Company, Inc. Apparatus for sublimation imprinting tiles
US5997677A (en) * 1990-05-08 1999-12-07 General Electric Company Method to apply a colored decorative design on a substrate of plastics
WO1996018509A1 (fr) * 1994-12-14 1996-06-20 Delta Technology, Inc. Preconditionnement d'un substrat pour accelerer la sublimation d'un colorant disperse
US6332941B1 (en) * 1999-10-04 2001-12-25 Invincible Products, Inc. Modular floor tile with superimposed images
US6300279B1 (en) * 2000-03-31 2001-10-09 Joseph Macedo Method for applying decorative designs to wood substrates
JP2005290598A (ja) * 2004-03-31 2005-10-20 Sanshou:Kk 熱転写方法及びプレス機
WO2007048827A1 (fr) * 2005-10-28 2007-05-03 Gortan Srl Appareil et procede d'impression sur un support

Also Published As

Publication number Publication date
ITUD20070078A1 (it) 2008-10-28

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