US3144355A - Apparatus for printing upon coated surfaces - Google Patents

Apparatus for printing upon coated surfaces Download PDF

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Publication number
US3144355A
US3144355A US794618A US79461859A US3144355A US 3144355 A US3144355 A US 3144355A US 794618 A US794618 A US 794618A US 79461859 A US79461859 A US 79461859A US 3144355 A US3144355 A US 3144355A
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Prior art keywords
printing
lacquered
paste
temperature
lacquer
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Expired - Lifetime
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US794618A
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English (en)
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Raskin Hubert Edouard Henri
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Individual
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Individual
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    • 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
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock

Definitions

  • the present invention relates to an apparatus and process for printing upon coated, laquered or varnished surfaces, hereinafter all referred to as lacquered surfaces, and the like.
  • lacquered surfaces hereinafter all referred to as lacquered surfaces, and the like.
  • printing moreover is used in its generic sense to connote designs as well as characters and numbers.
  • An object of the present invention accordingly, is'to provide a new and improved apparatus and process for printing that obviates the above-described difficulties.
  • the invention provides for the printing of lacquered surfaces and the like, whether of planar configuration or not, and whether continuous or not, without producing raised regions and without requiring supplementary protective layers or priming coatings.
  • the process underlying the invention involves applying to the lacquered surface or the like, a printing paste made up of a solution of dye, a solvent, an acid, depending on the lacquer or other coating of the surface, and a medium whose viscosity is controlled in terms of the degree of softening of the aforementioned lacquer and the like.
  • the lacquer and the like is softened in such a way as to allow for impregnation therewithin by the dye of the printing paste, but without raising the temperature to that of polymerization of the said lacquer or the like.
  • the said medium is then disposed of by washing, leaving the printed design absolutely clear, after which if necessary the surface is raised to the temperature of the polymerization of the lacquer and the like and is dried and then subsequently permitted to cool.
  • the laminated aluminum strip may be provided in rolls of from 100 to 3000 or more meters in overall length, as shown at 1, FIG. 1, mounted on the wind-off device 2.
  • the strip material 3 itself is then led through a conventional cleansing, degreasing and parkerising plant 4, being thereafter dried, as by hot air, at 5.
  • strip is then coated with an Epikote resin, lacquer or other material, at 6, as with the aid of coating cylinders 6 or spraying, not shown.
  • An oven '7 bakes the coating, after which the strip is cooled, as by cold air at 8, and re-wound again upon a roll 9. The first manufacturing stage is thus achieved.
  • a roll of such coated strip is shown at 10 in FIG. 2 mounted upon the wind-off device 11.
  • the strip is led through a conventional printing machine 12 which prints the before-mentioned red motifs and black grooves, as before explained and as hereinafter more fully discussed, an oven 13 where the impregnation of the coating by the two colors, red and black, takes place, and through a cooling blast 14.
  • the wiping and cleansing of the remaining paste is achieved through friction by, for example, blotting paper 15, which is drawn against the strip in the opposite direction to the motion of the strip, as indicated by the arrows.
  • the before-mentioned grooves may then be stamped by two metal or any hard cylinders 16, 17, engraved with the motifs to be stamped; one male and one female, as shown.
  • the speeds of the printing rollers 12 and that of the stamping cylinders 16, 17 are made identical, as by synchronously coupling them together, schematically indicated at 20. Their relative positions are initially set so that the red motifs will fall between the black lines delineating the tiles, and the stamped grooves will correspond exactly to the black lines.
  • the strip will thus flow through the printing and stamping plants 12, 16, 17 in one and the same movement, without any problems of registration of the patterns. This would not, however, have been so, had the printing and stamping operations been done separately or non-synchronously. In such a case, the variations in the length of the strip due to its elasticity and eventual differences of temperature would render the correct registration of different printed and stamped patterns very difilcult, if If necessary, the thus decorated and stamped aluminum strip can then be raised to polymerization temperature of the lacquer and the like and dried or hardened, as at 21. The strip is then allowed to cool and is wound up in a finished roll 18, which can have any desired length. A protecting paper sheet 19, may be interleaved between the adjacent windings of the coil 18 in order to protect the finished surface.
  • the obtained lining is easy to apply, can be cut with ordinary scissors, takes little storage space, is very light (800 grams per square meter) and can easily be handled and transported.
  • a 25-meter long roll only has a diameter of 30 cms.
  • the softening of the lacquer or other surface coating is effected by making the said surface pass through an atmosphere saturated with the vapors of a solvent, by heating, or by both of these two methods together.
  • the oven 13 raises the temperature of the lacquer or other coating on the strip to permit its impregnation by the dye of the printing paste. That temperature will, in general, be
  • the temperature of the oven 13 will be adjusted to between approximately 50 C. and 70 C.
  • the dye in the printing paste will impregnate the softened lacquer and the like. This process will generally occur in a time interval ranging from a few seconds to a few minutes.
  • the medium or vehicle of the printing ink or paste is wiped away as at 15, so that the decoration or other printing is all below the outer surface of the lacquer and the like. Raising the temperature at 21 to the polymerization temperature of the lacquer and the like results in polymerizing the coating, which, after drying and hardening is then allowed to cool, being ready for use.
  • a typical printing paste composition so found to work is:
  • the dyes that can be used are generally of synthetic nature, preferably aniline base dyes resistant to light. They should be soluble in oils.
  • the heavy grease medium or vehicle keeps the dyes in their place without smudging, its high viscosity at high temperature preventing the whole paste from running even if the printed surface is heated while in a vertical or oblique position.
  • the printing paste must be perfectly kneaded so that it is homogeneous and possesses sufficient penetrating strength to assure a good impregnation of the lacquer or other coating upon the surface to be treated.
  • lacquers or other coatings suitable for receiving printing in accordance with the invention are materials of organic and/or synthetic nature, such as the well-known commercial varnishes and lacquers (glycerophthalic, nitro-cellulose, nitro-synthetic, epoxy, ureaformal, vinylic, isocyanates, etc.) coated upon any supporting surface whatsoever (metal, wood, wood fibers, cement, etc.) capable of resisting heat in the oven 13 up to 60 C. or more, for a short time, ranging from a few seconds to a few minutes; or on plastic sheets of any nature such as polystyrene, vinyls, polyethylene, polyesters, etc.
  • Such coatings are all more or less impervious, once dried and hardened.
  • the process underlying the invention thus assures that the printing is incorporated into the lacquer or the varnish of the surface to be treated; the risk of flaking and of erasure by rubbing, particularly in the case of multiple printing, is avoided. This is a great advantage in and of itself and precludes the deterioration resulting from handling, storing or transporting.
  • the manufacturing cost of the surface-to-be-printed, in addition, is lessened inasmuch as the present invention does not necessitate the application of a protective varnish.
  • the printing paste or ink may be wiped off in the event of a mistake, without marring the surface. This eliminates any waste of product.
  • the obviating of buildup or raised surfaces also serves to reduce maintenance costs and wear upon the printing tools, such as the silk screens, rubber stamps, metal rolls, etc. employed at station 12. Because the printing paste or ink of the present invention does not dry at room or other ambient temperatures, furthermore, no clogging of the apparatus takes place. The printing apparatus, indeed, may be abandoned in the state it has last been used, and it can be promptly put into operation after several weeks shut-down without maintenance.
  • the male stamping or engraving cylinder 16 may also print the black or other color in the engraved grooves, thus simplifying the printing apparatus 12.
  • the separate synchronous printing apparatus 12 through its effective combination with the cylinder 16. All that would be necessary, of course, would be to have an inking roll, not shown, supplying ink or paste to the cylinder 16, as is well known. The temperature elevation and hardening steps would then follow the station 16, 17.
  • Apparatus for printing upon a polymerizable lacquered surface that comprises, means for applying to the said surface a homogeneous paste comprising printing dye, solvent and a paste medium of sufficient viscosity to resist substantial impregnation of the lacquered surfaces when the same is heated to soften it; means for thereupon heating the lacquered surface to a degree sufficient to permit impregnation therewithin of the said dye but insufiicient to permit of polymerization of the lacquered surface; means for removing the said paste medium; and means for raising the temperature of the surface to the temperature of polymerization of the lacquered surface.
  • Apparatus for printing upon a polymerizable lacquered surface that comprises, means for applying to the said surface a homogeneous paste comprising printing dye, solvent and a paste medium of sufiicient viscosity to resist substantial impregnation of the lacquered surfaces when the same is heated to soften it; means for thereupon heating the lacquered surface to a degree sufiicient to permit impregnation therewithin of the said dye but insufficient to permit of polymerization of the lacquered surface; means for removing the said paste medium; means for raising the temperature of the surface to the temperature of polymerization of the lacquered surface; and means operating synchronously with the applying means for stamping predetermined regions of the said surface.

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US794618A 1958-02-21 1959-02-20 Apparatus for printing upon coated surfaces Expired - Lifetime US3144355A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE866625X 1958-02-21

Publications (1)

Publication Number Publication Date
US3144355A true US3144355A (en) 1964-08-11

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US794618A Expired - Lifetime US3144355A (en) 1958-02-21 1959-02-20 Apparatus for printing upon coated surfaces

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US (1) US3144355A (sv)
BE (1) BE565051A (sv)
GB (1) GB866625A (sv)
NL (2) NL226312A (sv)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3296009A (en) * 1965-01-05 1967-01-03 Hansawerke Lurman Schutte & Co Process for providing textile floor covering with latex resin foam coating
US3804657A (en) * 1971-06-07 1974-04-16 Armstrong Cork Co Process for producing decorative surface covering
US20070048457A1 (en) * 2005-08-25 2007-03-01 Fuji Film Corporation Producing method of film having coated layer, film having coated layer, optical film, polarizing plate and liquid crystal display

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1516598A (en) * 1924-11-25 Assighob to the miller rubber com
US2403084A (en) * 1942-01-28 1946-07-02 Westinghouse Electric Corp Application of markings to surfaces
US2622991A (en) * 1948-07-30 1952-12-23 Sturm Robert Heinrich Process for printing on thermoplastics
US2625064A (en) * 1947-08-08 1953-01-13 Bastian Bros Co Method of making colored embossed emblems
US2866711A (en) * 1956-03-30 1958-12-30 Moore Business Forms Inc Carbon paper inks and method for making same
US2879168A (en) * 1957-01-24 1959-03-24 Eastman Kodak Co Chemical ink
US2906590A (en) * 1954-05-05 1959-09-29 Deering Milliken Res Corp Printing of textile materials

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1516598A (en) * 1924-11-25 Assighob to the miller rubber com
US2403084A (en) * 1942-01-28 1946-07-02 Westinghouse Electric Corp Application of markings to surfaces
US2625064A (en) * 1947-08-08 1953-01-13 Bastian Bros Co Method of making colored embossed emblems
US2622991A (en) * 1948-07-30 1952-12-23 Sturm Robert Heinrich Process for printing on thermoplastics
US2906590A (en) * 1954-05-05 1959-09-29 Deering Milliken Res Corp Printing of textile materials
US2866711A (en) * 1956-03-30 1958-12-30 Moore Business Forms Inc Carbon paper inks and method for making same
US2879168A (en) * 1957-01-24 1959-03-24 Eastman Kodak Co Chemical ink

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3296009A (en) * 1965-01-05 1967-01-03 Hansawerke Lurman Schutte & Co Process for providing textile floor covering with latex resin foam coating
US3804657A (en) * 1971-06-07 1974-04-16 Armstrong Cork Co Process for producing decorative surface covering
US20070048457A1 (en) * 2005-08-25 2007-03-01 Fuji Film Corporation Producing method of film having coated layer, film having coated layer, optical film, polarizing plate and liquid crystal display

Also Published As

Publication number Publication date
NL96435C (sv)
GB866625A (en) 1961-04-26
NL226312A (sv)
BE565051A (sv)

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