EP0687566A1 - Procédé et appareil pour décorer des matières en bande ou en feuille ainsi que les matières en bande ou en feuille obtenues - Google Patents

Procédé et appareil pour décorer des matières en bande ou en feuille ainsi que les matières en bande ou en feuille obtenues Download PDF

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Publication number
EP0687566A1
EP0687566A1 EP95107554A EP95107554A EP0687566A1 EP 0687566 A1 EP0687566 A1 EP 0687566A1 EP 95107554 A EP95107554 A EP 95107554A EP 95107554 A EP95107554 A EP 95107554A EP 0687566 A1 EP0687566 A1 EP 0687566A1
Authority
EP
European Patent Office
Prior art keywords
coating
sheet
web
carrier tape
pattern
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Withdrawn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
EP95107554A
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German (de)
English (en)
Inventor
Erhard Lorch
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.)
DLW AG
Original Assignee
DLW AG
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 DLW AG filed Critical DLW AG
Publication of EP0687566A1 publication Critical patent/EP0687566A1/fr
Withdrawn legal-status Critical Current

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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
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/12—Transfer pictures or the like, e.g. decalcomanias

Definitions

  • the present invention relates to a method and an apparatus for patterning webs or sheets, in particular for patterning with repeating patterns.
  • the present invention further relates to a web or sheet produced using the method according to the invention.
  • a preferred method is the patterning of PVC and PVC-free elastic floor covering webs.
  • the so-called gravure process is generally used for patterning or printing on elastic PVC floor covering webs with repeating patterns, which are referred to as repeats in printing technology.
  • a printing form provided on a cylinder is lowered on the printing elements by etching or engraving.
  • the web to be printed is guided past the rotating printing form by means of a pressure roller.
  • the circumference of the cylinder corresponds to the length of one repeat of the decor.
  • a repeat of a decor or pattern is not necessarily the smallest period of repetition, i.e. e.g. the distance corresponding to the circumference of the cylinder. Rather, a repeat can also have several such periods, especially if the decor is very delicate.
  • PVC tiles as flooring are nowadays mostly made by manufacturing PVC sheets according to the above-mentioned process and then punching out the tiles. The tiles are therefore not manufactured individually using the sheet printing process.
  • the one to be sampled runs or the web to be printed or the sheet to be patterned by the printing device, which has at least one printing roller and one counter-pressure roller, for example made of rubber.
  • the device In this method, the device must be adapted to the different types of materials to be patterned, in particular to their width, thickness, elasticity or the like. The adjustment to the material thickness is particularly difficult since certain thicknesses must not be exceeded or fallen short of. It is therefore difficult or almost impossible with such a sampling method to standardize the suitable sampling device for a wide variety of applications. Therefore, there are considerable costs for converting and adapting the device when changing the material to be sampled.
  • the object of the present invention is to provide a method and a device for patterning sheets or webs and a sheet produced therewith, in which the dry offset printing method can advantageously be used for patterning webs or sheets, producing high quality color prints.
  • the detachable coating can be printed on the endless carrier tape virtually without tension, which enables the patterning of the webs or sheets with congruent color patterns in the four primary colors, so that sharp images can be produced.
  • the invention is preferably suitable for patterning webs or sheets with repeating patterns (repeats).
  • the method according to the invention and the device according to the invention make it possible to use the dry offset printing method (TO printing method) advantageously when patterning or printing on webs with repeating patterns, the so-called continuous printing, in particular in connection with one known from label printing so-called translative or electronic feed system, in which the web to be printed oscillates between two dancer rollers against the direction of rotation of the printing form.
  • the printed web is advanced by the same order of magnitude after each print length (e.g. 1000 mm), so that a precise connection of the printed images is ensured.
  • This is made possible by recessed segments in the plate cylinders between their tensioning devices, so that the path of the cylinder rotation between the tensioning devices can be used as a rapid web retraction torque.
  • elastic floor covering webs are preferably patterned in the CMYK color space or color method. This enables a brilliance and a sharpness of the print to be achieved that was previously not possible in gravure in the spot color space. Furthermore, the amount of engraving on the printing form is considerably reduced.
  • a pattern or printed image is applied to an endless carrier tape.
  • the pattern is transferred from the carrier tape to a web to be patterned or to one patterned bow transferred.
  • a coating is applied to the carrier tape, so that after the patterning has been applied to the carrier tape provided with the coating, the pattern carried by the coating can be transferred to the web or sheet to be patterned.
  • the coating applied to the carrier tape is at least partially transparent.
  • the transfer to the web or the sheet to be patterned takes place in such a way that the pattern is arranged between the web or the sheet and the coating. This preferred arrangement leads to the advantage that no additional process step is necessary to apply an additional film to the web or the sheet in order to avoid the mechanical abrasion or the mechanical wear of the applied pattern.
  • the carrier tape is subjected to a cleaning step for removing e.g. subjected to ultrasound of any residues from the sample or coating.
  • the device according to the invention has an endless carrier tape, an application device for applying a pattern to the carrier tape and a transfer device for transferring the pattern from the carrier tape to a web or sheet to be patterned. Furthermore, in the device according to the invention, an application device is provided in order to apply a detachable coating before printing onto the side of the carrier tape to be patterned, the coating being particularly preferably transparent. A cleaning device for cleaning the carrier tape is also preferably provided.
  • the carrier tape is particularly preferably made of steel, distortion-free and / or conductive textile elastomer or inherently reinforced material. The thus relatively elastic top layer of the carrier tape can functionally advantageously replace the conventional rubber cylinder or cylinders in the TO printing process.
  • the coating device comprises rollers, a coating delivery device and a drying device.
  • the above-mentioned cleaning device preferably has a detaching device, which can have, for example, an ultrasound device, a washing device and a drying device.
  • the application device particularly preferably has one or more inking devices and one or more drying devices so that patterns can be applied in the single-color or multi-color process, in particular in the special color space or in the CMYK color space.
  • the patterning device In the patterning device according to the invention, adaptation to different types of materials to be patterned, in particular to their width, thickness, elasticity or the like, is advantageously simplified. This is possible because the formation and application of the pattern always take place on the carrier tape, while the transfer of the pattern to the web or the sheet to be patterned takes place by the transfer device. Thus, when the material to be sampled is changed, only a change or adaptation of the transfer device is necessary, the application device advantageously not having to be changed or adapted. In particular, the materials to be sampled can have any material thickness. This advantageously ensures standardization of the sampling device and simple handling.
  • a web or sheet, in particular a floor covering, which can be produced by the method according to the invention which has a carrier material, a coating and a pattern applied or applied to the side of the coating facing away from the surface. It is particularly preferred that the coating is at least partially transparent. It is further preferred that the thickness of the coating is approximately 0.1 to 0.5 mm.
  • the web according to the invention advantageously ensures protection against abrasion or wear of the pattern or pattern applied to the side facing away from the surface, at the same time ensuring the bond with the carrier material.
  • Fig. 1 is a schematic representation of an embodiment of the device according to the invention.
  • FIG. 2 is a schematic illustration of an application device.
  • Fig. 3 is a schematic representation of another embodiment of the device according to the invention.
  • Fig. 4 is a schematic sectional view of an embodiment of the web according to the invention.
  • the embodiment shown in FIG. 1 has an endless carrier belt 20 made of metal and guided around two or more deflection rollers.
  • a coating 70 in the form of powder coating, which is preferably transparent, is applied to this carrier tape 20 by means of an application device 60.
  • the powder coating consists of polyethylene powder, which is sprayed onto the carrier tape 20 and melted.
  • the carrier tape with the coating is guided to a printing device 30, in which a pattern 10 is applied by means of one or more inking devices 34, 34 ', 34'',34''', preferably four inking devices, which have blanket cylinders or plate cylinders is then dried by means of one or more drying devices 32, 32 ', 32'',32'''.
  • the carrier tape 20 provided with the coating 70 and the pattern 10 is guided to a transfer device 40, which detaches the coating 70 with the pattern 10 from the carrier tape 20 and transfers it to a web or a sheet 50 to be patterned, the pattern 10 is preferably arranged between the coating 70 and the web 50.
  • the applied coating 70 has a thickness in the range from 0.05 to 0.5 mm, preferably from about 0.1 mm.
  • the application device 60 has one or more rollers 62, 62 ', 62' 'and a coating dispenser 64 which provides a nozzle or the like in order to apply a coating 70 to the carrier tape 20 by means of the rollers 62, 62', 62 ''.
  • a drying device 66 behind the roller 62 for drying the coating 70 applied to the carrier tape 20.
  • the drying device 66 is preferably a UV lamp.
  • the embodiment of the present invention shown in FIG. 3 has a cleaning device 80 in order to clean or remove residues of the coating material 70 or pattern 10 that are not useful from the carrier tape 20.
  • the cleaning device 80 has a detachment device 82 which, for example by means of ultrasound, removes any residues that may have dried from the carrier tape 20.
  • a washing device 84 is provided which detach the detached residues from the coating 70 or the pattern 10, for example with the aid of water, solvent or the like or a jet thereof . Compressed air can also be used for detachment.
  • the cleaning device 80 has a drying device 86 in order to dry the carrier tape after the cleaning process has been completed.
  • the drying device 86 can be, for example, a radiant heater or UV lamp.
  • the embodiment shown in FIG. 3 also has a printing device 30 which has one or more inking devices 34, 34 ', 34'',34''' for applying a pattern in the single-color process, in the RGB color process or in the CMYK color process.
  • the pattern 10 is applied directly to the carrier tape 20.
  • the printing device 30 furthermore has one or more drying devices 32, 32 ', 32'',32'''' for drying the applied pattern 10.
  • the number of drying devices 32, 32 ', 32'',32''' depends on the selected color process, preferably the wet-on-wet process, in which only one drying device 32, 32 ', 32'',32''' is used, which is in the direction of rotation (arrow 20 ') of the carrier tape 20 behind the inking device or devices 34, 34 ', 34 '', 34 '''is arranged.
  • the device according to the invention preferably has a carrier tape, a coating device, a cleaning device, an application device and a transfer device.
  • the device according to the invention preferably has a coating device which applies a powder coating (e.g. PE / PP) by means of an electrostatic process and has an application device, a melting device, a cooling device and a plate roller.
  • the coating device can further preferably apply the coating by means of a melt film.
  • the embodiments of the device according to the invention shown in FIGS. 1 and 3 have a transmission device 40.
  • the transfer device 40 preferably has one or more rollers 42, 42 ', which carry out the transfer of the pattern 10 or the pattern 10 together with the coating 70 to a web or a sheet 50 to be patterned, e.g. by applying pressure. This application of pressure preferably takes place by means of the roller 42.
  • the transfer device 40 can have a heating device 44 in order to additionally fasten or fix the pattern 10 or the pattern 10 and the coating 70 on a web or a sheet 50 to be patterned.
  • the embodiment of the web according to the invention shown in FIG. 4 has a carrier material 500 made of elastic material, a coating 700 made of lacquer and a pattern 100 applied or applied on the side of the coating 700 facing away from the surface.
  • the coating 700 is at least partially transparent, but a color or material-related structuring of the coating may also be possible.
  • the pattern is visible from the outside through the transparent coating 700.
  • the coating has a thickness in the range of approximately 0.05 to 0.4 mm, preferably in the range from about 0.08 to 0.2 and particularly preferably a thickness of about 0.1 mm.
  • the pattern 100 can preferably only be applied to predetermined locations or in a non-contiguous manner.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Printing Methods (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP95107554A 1994-05-20 1995-05-17 Procédé et appareil pour décorer des matières en bande ou en feuille ainsi que les matières en bande ou en feuille obtenues Withdrawn EP0687566A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4417784 1994-05-20
DE19944417784 DE4417784A1 (de) 1994-05-20 1994-05-20 Verfahren und Vorrichtung zum Bemustern von Bahnen oder Bogen sowie damit hergestellte Bahnen bzw. Bogen

Publications (1)

Publication Number Publication Date
EP0687566A1 true EP0687566A1 (fr) 1995-12-20

Family

ID=6518642

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95107554A Withdrawn EP0687566A1 (fr) 1994-05-20 1995-05-17 Procédé et appareil pour décorer des matières en bande ou en feuille ainsi que les matières en bande ou en feuille obtenues

Country Status (2)

Country Link
EP (1) EP0687566A1 (fr)
DE (1) DE4417784A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19703559B4 (de) * 1997-01-31 2007-06-06 Eastman Kodak Co. Verfahren und Vorrichtung zum Auftragen von Toner auf ein Substrat mittels Druckmaschine
DE19805956A1 (de) * 1998-02-13 1999-08-19 Goenner Präsentationseinheit
DE10063987A1 (de) * 2000-12-21 2002-07-18 Oce Printing Systems Gmbh Einrichtung und Verfahren zum Reinigen eines Druckträgers vor jedem Druckzyklus
DE10224883B4 (de) 2001-07-27 2010-07-29 Heidelberger Druckmaschinen Ag Trockenstation und Verfahren zum Trocknen von bedruckten Bogen
KR100990738B1 (ko) * 2008-08-14 2010-10-29 서판수 전이형 인쇄 방법과 장치 및 이에 의해 제조된 피인쇄물

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR893855A (fr) * 1943-05-19 1944-11-08 Machine à imprimer en continu
DE1944905A1 (de) * 1969-09-04 1971-05-06 Elmar Dr Messerschmitt Verfahren zum Bedrucken flaechiger Materialien
US3630802A (en) * 1970-07-13 1971-12-28 Theodore J Dettling Method and apparatus for producing a coated substrate and a laminated product
EP0326919A2 (fr) * 1988-01-30 1989-08-09 Günther Dr. Schwarz Procédé et dispositif pour produire des revêtements durcissant rapidement sur des substrats
GB2255528A (en) * 1991-05-09 1992-11-11 Huang Chen Chin Transfer sheet and transfer printing using the same.
FR2692197A1 (fr) * 1992-06-12 1993-12-17 Lellouche Roger Transfert polyvalent pour la mode et le textile.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE473760C (de) * 1926-10-30 1929-03-21 Saechsische Cartonnagen Maschi Vorrichtung zum Bedrucken von Karton- oder Papierbahnen zur Herstellung von Schachtelzuschnitten
US3255695A (en) * 1963-10-16 1966-06-14 Markem Machine Co Method of printing and apparatus therefor
DE1621918A1 (de) * 1967-12-18 1971-06-09 Filztuchverwaltungs Gmbh Verfahren zum Beschichten von Flaechengebilden
CA1135657A (fr) * 1978-12-21 1982-11-16 Franklin L. Fox Methode de production d'un revetement decoratif en vinyle
DE4024419A1 (de) * 1990-08-01 1992-02-06 Erwin Albiez Drucktraeger

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR893855A (fr) * 1943-05-19 1944-11-08 Machine à imprimer en continu
DE1944905A1 (de) * 1969-09-04 1971-05-06 Elmar Dr Messerschmitt Verfahren zum Bedrucken flaechiger Materialien
US3630802A (en) * 1970-07-13 1971-12-28 Theodore J Dettling Method and apparatus for producing a coated substrate and a laminated product
EP0326919A2 (fr) * 1988-01-30 1989-08-09 Günther Dr. Schwarz Procédé et dispositif pour produire des revêtements durcissant rapidement sur des substrats
GB2255528A (en) * 1991-05-09 1992-11-11 Huang Chen Chin Transfer sheet and transfer printing using the same.
FR2692197A1 (fr) * 1992-06-12 1993-12-17 Lellouche Roger Transfert polyvalent pour la mode et le textile.

Also Published As

Publication number Publication date
DE4417784A1 (de) 1995-11-23

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