[0001] The present invention relates to a plate-like element for covering floors and walls,
particularly suitable to be used as a tile, mosaic tessera and the like.
[0002] The use of rocks, such as marbles and granites, as ornamental stones and as materials
for producing plates used for covering the surfaces of buildings is known since antiquity.
[0003] Tiles or plates made of marble or granite are currently in use which have, on their
outer surface, decorative patterns, such as engravings, reliefs and color effects.
[0004] It is known that some stone-like materials have the property of being semitransparent
and of refracting light.
[0005] These stone-like materials can include, for example, crystalline marbles and quartz-rich
granites.
[0006] Another particular characteristic of these stone-like materials is the fact that
they are permeable to solvents colored with organic or inorganic pigments.
[0007] These solvents can in fact penetrate in the granules of crystalline marbles and in
microfissures of quartz granules, carrying a solid phase composed of coloring substances
of various kinds and organic pigments.
[0008] The aim of the present invention is to utilize, in combination or separately, the
properties offered by materials such as crystalline marbles, quartz-rich granites
and the like, in order to provide tiles, plates, mosaic tesserae and the like with
decorative or color effects.
[0009] This aim and these and other objects that will become better apparent hereinafter
are achieved by a plate-like element for covering floors and walls, characterized
in that it comprises a supporting base coupled to a plate of stone-like material that
is at least partially optically transparent, at least one decorative element being
interposed between the supporting base and the plate.
[0010] Further characteristics and advantages of the present invention will become better
apparent from the following detailed description of a preferred but not exclusive
embodiment of a plate-like element for covering floors and walls according to the
invention, illustrated only by way of non-limitative example in the accompanying drawings,
wherein:
Figure 1 is a partially sectional perspective view of a plate-like element according
to the invention, taken at a plate made of stone-like material that is at least partially
optically transparent;
Figure 2 is a partially sectional perspective view of the plate-like element according
to the invention, taken at a supporting base;
Figure 3 is a perspective view of a plate-like element according to the invention,
which shows a particular decorative element by means of a cutout of a plate made of
stone-like material that is at least partially optically transparent;
Figure 4 is a front view of a plate-like element according to the invention, taken
from the side of a plate of stone-like material that is at least partially optically
transparent and in which decorative elements are visible;
Figure 5 is a perspective view of a possible embodiment of a plate of stone-like material
that is at least partially optically transparent;
Figure 6 is a front view of part of a covering provided by means of plate-like elements
according to the invention;
Figure 7 is a sectional view, taken along the line VII-VII of Figure 6;
Figure 8 is a perspective view of a three-layered plate, produced during the manufacture
of the plate-like element according to the invention, subjected to cutting on the
part of an appropriate tool.
[0011] With reference to the figures, a plate-like element for covering floors and walls,
generally designated by the reference numeral 1, according to the invention, comprises
a supporting base 2, which is coupled, at a larger surface, to a plate 3 made of stone-like
material that is at least partially optically transparent.
[0012] Also according to the invention, at least one decorative element 4 is enclosed between
the coupled opposite surfaces of the supporting base 2 and of the plate 3.
[0013] The decorative element 4 can equally consist of materials of any type and shape,
such as wood elements, optionally shaped in an appropriate manner, filament-like elements
made of valuable metallic material, such as gold or silver, paper, which can be optionally
variously illustrated, fabric and so forth.
[0014] The decorative element 4 might also be constituted by, or comprise, means suitable
to give a color effect which are constituted for example by a coloring.
[0015] Coloring can be provided, for example, by means of colored solvents, applied preferably
but not necessarily to the surface of the plate 3 that is coupled to the supporting
base 2.
[0016] As shown in Figure 2, the use of colored solvents allows to convey pigments into
the plate 3, so as to achieve color penetration.
[0017] In this regard, it has been observed by way of experimental tests that the following
formulation of the solvent phase is suitable for the specific purpose: 10% acetone,
15% cyclohexanone, 40% styrene, 13% toluene or xylene, 10% ethyl acetate, 2% ethyl
alcohol, 10% trichloroethylene.
[0018] The solid phase can be chosen among a wide range of commercially available organic
pigments and colors.
[0019] With reference to Figure 1, it can be noted that the decorative element 4 can also
be a relief or an engraving or any combination of these decorative forms.
[0020] Engravings and reliefs can be formed equally on the plate 3 or on the supporting
base 2 or on both.
[0021] It is also obvious that any combination of the above described decorative elements
4 is within the scope of the present invention.
[0022] An important aspect of the invention is that the supporting base 2 can be made of
the same material as the plate 3 or even of different material, since the type of
material used to produce the supporting base 2 is irrelevant for the intended purpose,
which will become better apparent hereinafter.
[0023] Conveniently, as shown in particular in Figures 6 and 7, the supporting base 2 can
also consist of a wall portion or alternatively of a floor portion onto which the
plate 2 is to be coupled, interposing the decorative elements 4.
[0024] With reference to Figure 5, the plate 3 can advantageously have, on its surface designed
to be coupled to the supporting base 2, a recess 3a, for example in a central position
and designed to accommodate the decorative element 4, and a connecting edge 3b, which
delimits the recess 3a and is designed to abut against the supporting base 2.
[0025] As shown more clearly in Figure 7, the connecting edge 3b conveniently allows to
have a surface for the application of adhesives or cementing materials of any kind.
[0026] Moreover, the supporting base 2 may also be rigidly coupled to the plate 3 by way
of perimetric coupling means, not shown in the above mentioned figures, which can
be constituted for example by clamps or the like or by screw connections, which allow
to clamp together the supporting base 2 and the plate 3.
[0027] The essential particularity of the present invention is that the decorative element
or elements 4, i.e., the elements suitable to give a decorative appearance to the
plate-like element 1, are trapped between the supporting base 2, made of any material,
and the plate 3 made of a stone-like material that is at least partially optically
transparent, such as for example a crystalline marble or a quartz-rich granite.
[0028] It has in fact been observed that by way of the semitransparent and light-refracting
properties of materials such as crystalline marble or quartz-rich granite, the decorative
elements 4 can in any case be perceived on the outer surface of the plate 3.
[0029] In particular, if the decorative element 4 comprises colored solvents placed on the
surface of the plate 3 that is in contact with the supporting base 2, the vision of
the colors and therefore of the color effects is transmitted on its opposite surface,
due to the combined effect of the partial permeability to particular solvents and
of the optical properties of materials such as crystalline marble or quartz-rich granite.
[0030] From the above description it is evident that one of the main features of the present
invention is that the visible surface of the plate-like element 1 does not consist
of a backing surface, made for example of marble or granite, that is colored or treated
or decorated in various manners; rather, the color or decorative effect appears on
the surface despite being internal to the plate-like element 1 according to the present
invention.
[0031] This phenomenon occurs indeed because of the conduction of light and of the semitransparent
characteristics of the materials used to provide the plate 3, and of their permeability
to particular colored solvents.
[0032] With reference to Figure 8, a possible method for manufacturing the plate-like element
1 according to the invention is described briefly hereinafter and merely as an example.
[0033] Decorative processes, such as engraving and/or relief sculpting, or coloring processes
or other processes suitable to provide decorative elements 4 as described above are
performed on the two larger surfaces of an initial plate 5 made of crystalline marble
or quartz-rich granite (or made of any other at least partially optically transparent
stone-like material), which has a thickness of possibly approximately 16 mm.
[0034] Then a supporting base 2, having any thickness, is coupled to each one of the surfaces
of the initial plate 5, for example by gluing with transparent or colored adhesives
or by cementing, accordingly producing a three-layered plate 6.
[0035] The resulting three-layered plate 6 is then parted at the initial plate 5, for example
halfway or along a preset cutting plane, by means of a suitable tool, accordingly
obtaining two plate-like elements 1 according to the present invention.
[0036] In the final step of the manufacturing process, the plate-like elements 1 are subjected
to finishing processes, such as polishing of the plate 3, in order to allow optimum
visual perception of the embedded decorative elements, and to all those known processes
that are normally performed on marble or granite products.
[0037] In practice it has been observed that the invention allows to provide tiles, mosaics
made of marble of granite or the like with decorative effects that are not directly
applied to their external surface but are included therein yet are still visually
perceivable.
[0038] The invention thus conceived is susceptible of numerous modifications and variations,
all of which are within the scope of the appended claims.
[0039] In practice, the materials employed, so long as they are compatible with the contingent
use, as well as the shapes and dimensions, may be any according to requirements.
[0040] All the details may further be replaced with other technically equivalent elements.
[0041] The disclosures in Italian Patent Application No. VR2001A000064 from which this application
claims priority are incorporated herein by reference.
[0042] Where technical features mentioned in any claim are followed by reference signs,
those reference signs have been included for the sole purpose of increasing the intelligibility
of the claims and accordingly, such reference signs do not have any limiting effect
on the interpretation of each element identified by way of example by such reference
signs.
1. A plate-like element for covering floors and walls, characterized in that it comprises a supporting base coupled to a plate of stone-like material that is
at least partially optically transparent, at least one decorative element being interposed
between said supporting base and said plate.
2. The plate-like element according to claim 1, characterized in that said at least partially optically transparent stone-like material is a crystalline
marble.
3. The plate-like element according to claim 1, characterized in that said at least partially optically transparent stone-like material is a quartz-rich
granite.
4. The plate-like element according to claim 1, characterized in that said supporting base is a portion of a floor.
5. The plate-like element according to claim 1, characterized in that said supporting base is a portion of a wall.
6. The plate-like element according to claim 1, characterized in that said at least one decorative element is a material.
7. The plate-like element according to claim 6, characterized in that said material is a wooden element.
8. The plate-like element according to claim 6, characterized in that said material is a filament-like element made of valuable metallic material.
9. The plate-like element according to claim 6, characterized in that said material is substantially paper-like.
10. The plate-like element according to claim 6, characterized in that said material is fabric.
11. The plate-like element according to claim 1, characterized in that said at least one decorative element is a sculpting provided in said plate.
12. The plate-like element according to claim 1, characterized in that said at least one decorative element is a sculpting provided in said supporting base.
13. The plate-like element according to claim 11 or 12, characterized in that said sculpting is a relief.
14. The plate-like element according to claim 11 or 12, characterized in that said sculpting is an engraving.
15. The plate-like element according to claim 1, characterized in that said at least one decorative element comprises means suitable to give a color effect.
16. The plate-like element according to claim 15, characterized in that said means suitable to give a color effect comprise a coloring provided on said plate.
17. The plate-like element according to claim 15 or 16, characterized in that said means suitable to give a color effect comprise a coloring provided on said supporting
base.
18. The plate-like element according to claim 16 or 17, characterized in that said coloring is provided by means of colored solvents.
19. The plate-like element according to one or more of the preceding claims, characterized in that said plate has a thickness of 1 to 15 mm.
20. The plate-like element according to one or more of the preceding claims, characterized in that said plate is polished.
21. The plate-like element according to one or more of the preceding claims, characterized in that said supporting base is coupled to said plate by gluing.
22. The plate-like element according to one or more of the preceding claims, characterized in that said supporting base is coupled to said plate by cementing.
23. The plate-like element according to one or more of the preceding claims, characterized in that said supporting base is coupled to said plate by perimetric coupling means.
24. The plate-like element according to claim 21, characterized in that said perimetric coupling means comprise clamps.