EP0333417A2 - Procédé de revêtement - Google Patents

Procédé de revêtement Download PDF

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Publication number
EP0333417A2
EP0333417A2 EP89302464A EP89302464A EP0333417A2 EP 0333417 A2 EP0333417 A2 EP 0333417A2 EP 89302464 A EP89302464 A EP 89302464A EP 89302464 A EP89302464 A EP 89302464A EP 0333417 A2 EP0333417 A2 EP 0333417A2
Authority
EP
European Patent Office
Prior art keywords
substrate
coating
roll
patterned
intaglio
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Withdrawn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
EP89302464A
Other languages
German (de)
English (en)
Other versions
EP0333417A3 (fr
Inventor
Raymond Thomas Fish
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.)
Amcor Pty Ltd
Original Assignee
Amcor Pty Ltd
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 Amcor Pty Ltd filed Critical Amcor Pty Ltd
Publication of EP0333417A2 publication Critical patent/EP0333417A2/fr
Publication of EP0333417A3 publication Critical patent/EP0333417A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/70—Multistep processes; Apparatus for adding one or several substances in portions or in various ways to the paper, not covered by another single group of this main group
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/40—Distributing applied liquids or other fluent materials by members moving relatively to surface
    • B05D1/42—Distributing applied liquids or other fluent materials by members moving relatively to surface by non-rotary members
    • 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
    • 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
    • B41M1/10—Intaglio printing ; Gravure printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/40—Distributing applied liquids or other fluent materials by members moving relatively to surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2203/00—Other substrates
    • B05D2203/22—Paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2252/00—Sheets
    • B05D2252/02—Sheets of indefinite length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects

Definitions

  • This invention relates to a process and apparatus for producing non uniform coatings in a predetermined controlled process and the products so produced.
  • Printing images are generally well defined as reduced definition is not considered aesthetically desirable.
  • the present invention provides a method for producing non uniform coatings on a substrate such as board, sheet or film in which a coating composition is applied to first surface of the substrate and the substrate is passed over a patterned surface wherein the second surface of the substrate contacts the patterned surface while a line of pressure is applied laterally to the said first surface.
  • This invention also provides apparatus for producing non uniform coating comprising a coating applicator and a spreading device adapted to apply a coating material to one surface of a substrate and a patterned surface juxtaposed to make contact on the second surface of said substrate.
  • the spreading device may be a rod, knife or doctor blade.
  • patterned surface is meant a surface having portions raised or depressed to form an image in the lower or depressed surface portions.
  • the patterned surface corresponds to an intaglio plate or roll the difference being the application of the coating to the substrate surface not in contact with the intaglio plate or roll.
  • This produces a defined pattern or a non uniform coating which has a number of advantages to uniform coatings used as printing surfaces.
  • the non uniform background is aesthetically pleasing while hiding any minor blemishes or traces of dirt which would be easily discerned with a uniform backing. This may be a decided advantage for packaging materials which are to bear printed designs or lettering.
  • this invention provides a new method of printing in which the intaglio plate or roll does not come into contact with the printing ink or fluid.
  • the definition of the printing or pattern on the substrate depends primarily on the following factors:
  • the operating parameters of the process are similar to those of conventional printing or coating processes.
  • the selection of ink type, blade pressure intaglio surface hardness and roll speed will be determined according to the substrate to be printed and the aesthetic appearance and functional charactistics which it is desired to achieve and the information which it is desired to impart.
  • a feature of the process is its directionality with respect to spreading the coating in development of the image. This has the effect for example of depositing a greater coating thickness in an ellipse having major axis in running direction than in an ellipse of the same size having minor axis in running direction.
  • the design of the depressions in the patterned backing surface needs to take account of orientation of the pattern in achieving the required effect.
  • a particularly advantageous application of the present invention is in the printing of unbleached paper and paperboard packaging materials.
  • flexibility of the paperboard is a factor in the method of this invention and paperboards having weights of up to 210 grams per square metre have been successfully coated by this method of the invention.
  • the process is incorporated as a final stage of the manufacture of paperboard so that a coated or printed board is produced.
  • the coating produced by this invention is suitable as a patterned background it may carry messages or bear indicia in a similar manner to the use of watermarks in paper making.
  • the intaglio of patterned plate or roll has no contact with the ink or coating fluid the roll needs less cleaning and is not affected by ink retention as in conventional processes.
  • figure 1 is a schematic view of a first embodiment
  • figure 2 is a schematic view of a second embodiment.
  • the substrate 1 to be coated is passed over a belt containing a perforated or embossed pattern.
  • the belt 6 is supported on a roller 5.
  • the underneath surface 3 of the substrate 1 contacts the patterned belt 6.
  • a coating or ink formulation is spread on to the surface 2 of substrate 1 by a doctor blade 7 which spreads the composition over the surface 2 and applies pressure to the substrate 1. This results in the belt pattern being produced on the upper surface 2 of substrate 1.
  • a patterned or intaglio roller could be used instead of roller 5 which would mean that the belt 6 is not needed.
  • the quality of the definition of the pattern or printing depends on the factors mentioned above.
  • the substrate 1 is passed between an intaglio roll 9 and a coating applicator roll 12 suspended in a coating or ink formulation or ink 11 within bath 10.
  • Roll 12 applies the composition 11 to the surface 2 of substrate 1.
  • the doctor blade 13 spreads the composition 11 non uniformly, (due to the recessed pattern on roll 9) onto substrate surface 2 and removes excess composition 11.
  • the degree of contrast achieved depends on the flexibility of the substrate 2, the depth of the recesses on roll 9, the pressure of the blade 11 on the substrate.
  • the hardness of the surface of roll 9 rheology of the ink composition of the coating or ink formulation and coating speed are also factors to be considered.
  • the apparatus of this invention can be easily adapted from conventional coating apparatus which utilises rollers by placing an intaglio cover on the roll.
  • this invention provides a unique non uniform coating and an apparatus and a method of producing it.
EP19890302464 1988-03-18 1989-03-14 Procédé de revêtement Withdrawn EP0333417A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU7311/88 1988-03-18
AUPI731188 1988-03-18

Publications (2)

Publication Number Publication Date
EP0333417A2 true EP0333417A2 (fr) 1989-09-20
EP0333417A3 EP0333417A3 (fr) 1991-08-28

Family

ID=3772929

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890302464 Withdrawn EP0333417A3 (fr) 1988-03-18 1989-03-14 Procédé de revêtement

Country Status (2)

Country Link
EP (1) EP0333417A3 (fr)
AU (1) AU3137489A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001036111A2 (fr) * 1999-11-13 2001-05-25 Citius Bürotechnik Gmbh Procede de realisation d'un materiau support en forme de film, recouvert d'un adhesif
US6610804B2 (en) * 2001-08-24 2003-08-26 Bridgestone Corporation Iron-based catalyst composition for the manufacture of syndiotactic 1, 2-polybutadiene
WO2008000665A2 (fr) 2006-06-27 2008-01-03 Basf Se Procédé destiné à apprêter du papier et des produits en papier

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE401307C (de) * 1922-06-03 1924-08-28 Hoechst Ag Verfahren zur Erzeugung von Farbeffekten auf Papier und Geweben
US2139269A (en) * 1935-05-13 1938-12-06 Beveridge Marvellum Company Decorative paper and method of making the same
DE808684C (de) * 1949-12-09 1951-07-19 Norddeutsche Tapetenfabrik Hoe Verfahren zum Auftragen von Farben oder Schichten auf mittels Walzen gepraegtes Papier o. dgl.
US2875724A (en) * 1955-10-07 1959-03-03 Curt G Joa Apparatus for selective pattern impregnation or coating

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE401307C (de) * 1922-06-03 1924-08-28 Hoechst Ag Verfahren zur Erzeugung von Farbeffekten auf Papier und Geweben
US2139269A (en) * 1935-05-13 1938-12-06 Beveridge Marvellum Company Decorative paper and method of making the same
DE808684C (de) * 1949-12-09 1951-07-19 Norddeutsche Tapetenfabrik Hoe Verfahren zum Auftragen von Farben oder Schichten auf mittels Walzen gepraegtes Papier o. dgl.
US2875724A (en) * 1955-10-07 1959-03-03 Curt G Joa Apparatus for selective pattern impregnation or coating

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001036111A2 (fr) * 1999-11-13 2001-05-25 Citius Bürotechnik Gmbh Procede de realisation d'un materiau support en forme de film, recouvert d'un adhesif
WO2001036111A3 (fr) * 1999-11-13 2001-12-13 Citius Gmbh Buerotechnik Procede de realisation d'un materiau support en forme de film, recouvert d'un adhesif
US6610804B2 (en) * 2001-08-24 2003-08-26 Bridgestone Corporation Iron-based catalyst composition for the manufacture of syndiotactic 1, 2-polybutadiene
WO2008000665A2 (fr) 2006-06-27 2008-01-03 Basf Se Procédé destiné à apprêter du papier et des produits en papier
WO2008000665A3 (fr) * 2006-06-27 2008-03-27 Basf Ag Procédé destiné à apprêter du papier et des produits en papier

Also Published As

Publication number Publication date
AU3137489A (en) 1989-09-21
EP0333417A3 (fr) 1991-08-28

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