EP2085243A1 - Procédé pour la réalisation d'un carreau - Google Patents

Procédé pour la réalisation d'un carreau Download PDF

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Publication number
EP2085243A1
EP2085243A1 EP08425064A EP08425064A EP2085243A1 EP 2085243 A1 EP2085243 A1 EP 2085243A1 EP 08425064 A EP08425064 A EP 08425064A EP 08425064 A EP08425064 A EP 08425064A EP 2085243 A1 EP2085243 A1 EP 2085243A1
Authority
EP
European Patent Office
Prior art keywords
virtual
solid
tile
plane
workpiece plane
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Withdrawn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
EP08425064A
Other languages
German (de)
English (en)
Inventor
Stefano Rosi
Mattia Alberto Foracchia
Ivan Gibertini
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP08425064A priority Critical patent/EP2085243A1/fr
Publication of EP2085243A1 publication Critical patent/EP2085243A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • 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
    • B41M1/34—Printing on other surfaces than ordinary paper on glass or ceramic surfaces
    • 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
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
    • 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
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/007—Digital printing on surfaces other than ordinary paper on glass, ceramic, tiles, concrete, stones, etc.
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
    • B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
    • B44C1/17—Dry transfer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F7/00—Designs imitating three-dimensional effects
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects

Definitions

  • the invention relates to a process for realising a matrix for realising a tile.
  • the invention is particularly applicable to the building sector, and in particular is directed at the realising of tiles or like cladding elements destined for covering floors and/or walls in domestic and public places.
  • the ceramic and building materials sector includes various types of tiles having in-view surfaces which exhibit a smooth surface or a surface bearing one or more raised parts or jags.
  • smooth tiles With reference to smooth tiles, they can be single-tone or can be provided with two or more suitably-arranged colours in order to highlight special figure or ornaments having a strictly aesthetic aim.
  • the in-view surfaces thereof can be made in different colour schemes or according to particular irregular shapes including jags, reliefs, concavities and other like projections or recesses.
  • a particular example of a tile of the above type is one which is provided with a plurality of reliefs that develop substantially parallel to one another and are arranged close to one another, thus defining a single treading plane.
  • the reliefs delimit respective gullies, so that the tiles exhibit, in transversal section, a sawtooth profile.
  • the flanks of the reliefs are normally inclined such as to exhibit, depending on an observational point of view thereof, two different aspects of the same in-view surface.
  • the totality of all the flanks having the same inclination can be used to define a single in-view surface of the tile, opposite the in-view surface of the totality of the other flanks which are substantially incident to the first flanks and parallel to one another.
  • this structural configuration it is possible to produce and define different images or relative figures, which are selectively seen according to the point of observation of the tiles.
  • the Applicant has found that in order to obtain figures and ornamentations of a sufficient sharpness, the crests of the above-mentioned reliefs have to be especially distanced, delimiting there-between corresponding gullies of considerable width and/or particularly deep. Obviously on increasing the width and depth of the gullies between the reliefs, the degree of jaggedness of the treading surface defined by the tile also increases, which transmits sensations similar to those of an uneven treading plane.
  • the alternating of deep or wide gullies tends to considerably weaken the structure of the tile, which is more subject to the formation of cracks which might even lead to the breakage of the tiles, especially if subjected to large loads or stress, either during laying or during their working life in continuously-used passage zones. It is also important to consider that the delicate structure of the above-mentioned tiles can make their storage especially critical, when stacked in piles or columns; so this part of production too requires much care and attention.
  • the Applicant has found the incomplete perception of the signal, or the figure reproduced on the in-view surface a limiting factor. For example, if the tile is provided with an indication of an emergency exit in a public place, the signal is seen only if the observer is positioned such that he or she is practically frontal with respect to the figure in question; i.e. if he looks frontally at the inclined flanks of the above-mentioned reliefs. On the contrary, if the observer is located laterally with respect to the figure to be seen, i.e. if the observer is viewing from a point of view which is substantially parallel to the longitudinal development of the crests of the reliefs, he has no perception of the illustration of the signal that is reproduced on the tile.
  • a further important point is that the various channels render cleaning and washing operations particular long and arduous; if the tiles are located in an industrial context they can be cleaned by means of suitable apparatus of an industrial type, differently to uses of domestic/private type in which they are transformed into collecting repositories of dirt and are long and laborious to clean.
  • the technical task at the base of the present invention is to provide a process for realising a tile which can substantially obviate the cited drawbacks.
  • an important aim of the invention is to provide a process for realising a tile which defines a smooth treading plane provided with one or more signals which are visible from any angulation and point of observation.
  • a further aim of the present invention is to provide a process for realising tiles which are resistant to significant loads and stress.
  • a further aim of the present invention is to provide a process which results in the tiles' giving a three-dimensional view to an observer of a signal, from any point of observation.
  • the object of the present invention relates to a model for realising one or more tiles (not illustrated).
  • the process which is object of the present invention first includes a three-dimensional model stage of the tile to be produced ( figures 1 and 5 ) which is advantageously actuated by means of an electronic device for three-dimensional design (not shown in the figures).
  • the model comprises realisation of a virtual starting three-dimensional model 1, provided with a substantially laminar or plate-shaped base 2 exhibiting a main surface 3 from which at least a geometric solid 4 develops.
  • the solid 4 developing from the base 2 is an arrow which can be subdivided into a first portion 4a, defined by a parallelepiped, i.e. the leg of an arrow, and a second portion 4b, defined by a triangular-base prism.
  • any regular or irregular solid can be reproduced on the main surface 3, as well as writings, motifs and any kind of decoration, as illustrated in figure 5 .
  • the starting three-dimensional model 1 is sub-divided into a plurality of pre-defined sub-division planes 5 ( figures 1 and 2 ), such as to give rise to a plurality of sections 6, each different to another.
  • the sub-division planes 5 are preferably substantially parallel, so that the above-mentioned sections 6 exhibit respectively parallel surfaces.
  • the sub-division planes 5 are advantageously substantially perpendicular to the main surface 3 of the base 2, so that the surfaces of the sections 6 extend substantially vertically.
  • the sub-division planes 5 are preferably equidistant in order to give the sections 6 a same thickness.
  • an image 7 of the starting three-dimensional model 1 is projected.
  • an image 7 of the three-dimensional model 1 is projected onto a virtual workpiece plane 8 ( figure 3 ).
  • the image 7 is advantageously obtained by tilting each section 6 of the virtual three-dimensional model 1 to a predefined angle which is such as to ensure that each section 6 rests on the virtual workpiece plane 8 and thereafter by tracing a line 9 on the virtual workpiece plane 8, which line 9 corresponds to the profile of the respective crest 6a of the tilted section.
  • Each section 6 is preferably tilted by means of a rotation to an angle of about 90° about a respective rotation axis arranged on an opposite side with respect to the crest 6a.
  • the process can include a stage of automated conversion of the image 7 obtained into a predefined scale of "grey" tones which has extreme tones of white and black.
  • the conversion consists in inverting at least a pair of contrast colours, such as for example white and black, and the management of the tones in the scale of "greys" between the above-mentioned contrasted tones.
  • the virtual workpiece plane 8 When the virtual workpiece plane 8 has been completed, it is reproduced on at least an in-view surface of a tile for transferring thereon the image 7 of the signal represented on the virtual workpiece plane 8.
  • the reproduction of the virtual workpiece plane 8 can be done following various techniques.
  • Reproduction can be done using silk-screening methods, using various known devices and apparatus, such as, for example, flat screens, screen rollers, rotocolors and the like.
  • the reproduction of the virtual workpiece plane 8 can be manually performed by using aerograph brushes; by powder drop of glass paste filling; using special colours or soluble salts absorbed by the tiles.
  • the reproduction of the workpiece plane 8 can also be done by means of decal systems or photo-ceramic techniques in which the virtual workpiece plane 8 is reproduced on silk screen films constructed using photo-sensitive material, such as for example collodium or other materials, in order to be applied thereafter directly on the tiles being realised.
  • photo-sensitive material such as for example collodium or other materials
  • virtual workpiece plane 8 can be directly reproduced on the tiles with the use of systems of appropriate digital machines or colour printers using the inkjet principle.
  • the present invention solves the problems encountered in the prior art and achieves the set aims.
  • the proposed process enables tiles to be realised which have an in-view surface provided with three-dimensional signal indications although the in-view surface is completely smooth.
  • the tiles realised according to the above-described process exhibits smooth in-view surfaces that are totally free of unwanted jags.
  • the design process of the image to be reproduced on the tiles enables the signals to be seen from any point of observation, while the three-dimensional effect is maintained at all times.

Landscapes

  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Finishing Walls (AREA)
EP08425064A 2008-02-04 2008-02-04 Procédé pour la réalisation d'un carreau Withdrawn EP2085243A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08425064A EP2085243A1 (fr) 2008-02-04 2008-02-04 Procédé pour la réalisation d'un carreau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08425064A EP2085243A1 (fr) 2008-02-04 2008-02-04 Procédé pour la réalisation d'un carreau

Publications (1)

Publication Number Publication Date
EP2085243A1 true EP2085243A1 (fr) 2009-08-05

Family

ID=39773024

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08425064A Withdrawn EP2085243A1 (fr) 2008-02-04 2008-02-04 Procédé pour la réalisation d'un carreau

Country Status (1)

Country Link
EP (1) EP2085243A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05158210A (ja) * 1991-12-10 1993-06-25 Dainippon Printing Co Ltd 線画に基づくレリーフ模様作成方法
WO2006045178A1 (fr) * 2004-10-26 2006-05-04 2089275 Ontario Ltd. Procede de production automatisee d'objets et de substrats textures tridimensionnels a partir d'objets bidimensionnels ou tridimensionnels
US20070166516A1 (en) * 2006-01-18 2007-07-19 Lg Chem, Ltd. Flooring tile producible by continuous process and having three-dimensional effect, and process for preparing the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05158210A (ja) * 1991-12-10 1993-06-25 Dainippon Printing Co Ltd 線画に基づくレリーフ模様作成方法
WO2006045178A1 (fr) * 2004-10-26 2006-05-04 2089275 Ontario Ltd. Procede de production automatisee d'objets et de substrats textures tridimensionnels a partir d'objets bidimensionnels ou tridimensionnels
US20070166516A1 (en) * 2006-01-18 2007-07-19 Lg Chem, Ltd. Flooring tile producible by continuous process and having three-dimensional effect, and process for preparing the same

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