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
  • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
• • 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
  • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
  • B28B23/0062—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects forcing the elements into the cast material, e.g. hooks into cast concrete
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
  • E04H4/00—Swimming or splash baths or pools
  • E04H4/14—Parts, details or accessories not otherwise provided for
  • E04H4/141—Coping elements for swimming pools

Definitions

• the present invention refers to a lightened tile, in particular used for manufacturing swimming-pool edges.
• the present invention further refers to a process for manufacturing a lightened tile for swimming-pool edges.
• object of the present invention is solving the above prior art problems by providing a lightened tile, in particular used for manufacturing swimming-pool edges.
• Another object of the present invention is providing a process for manufacturing a lightened tile for swimming-pool edges .
• FIG. 1 shows a bottom perspective view of an embodiment of the lightened tile according to the present invention
• FIG. 2 shows a bottom perspective view of another embodiment of the lightened tile according to the present invention
• FIG. 3 shows a bottom perspective view of a preferred variation of the lightened tile of FIG. 1;
• FIG. 4 shows a bottom perspective view of a preferred variation of the lightened tile of FIG. 2;
• FIG. 5a and 5b show bottom plan views of some further variations of the lightened tile according to the present invention.
• FIG. ⁇ a to ⁇ c show some step of the process according to the present invention.
• the lightened tile 1 comprises a paving-tile block, made with substantially traditional materials, such as, for example, white or coloured cement, defined by an upper surface 3a, which is the visible surface once the tile 1 is laid, by a lower surface 3b, obviously aimed to be glued onto the laying tamped floor, such surfaces being mutually fitted by side edges 3c, typically in contact with the side edges of the other adjacent tiles forming the pavement, by interposing classic clearances made of gluing material; possibly, one of such side edges 3c can be a free edge 3d remaining visible to realise the swimming pool perimeter edge.
• substantially traditional materials such as, for example, white or coloured cement
• the lower surface 3b of the tile 1 according to the present invention is equipped with at least one lightening recess 5, as can be noted in particular in FIG. 1, such lightening recess 5 having in every one of its points a depth L 0 which is less than the thickness L M of the
• the lightening recess 5 is generically shown as having the shape of a parallelepiped, it is clear that it can be made of any other shape or size, though remaining within the limits of the adequate structural strength which is necessary for using the tile 1.
• the lower surface 3b can be preferably equipped with a plurality of lightening recesses 5 arranged as a matrix, such particular arrangement advantageously allowing to define, between every pair of adjacent lightening recesses 5, a reinforcement rib 7 adapted to further prevent an excessive brittleness or even the risk of piercing the upper surface 3a when one walks thereon.
• the lower surface 3b can be preferably equipped with four lightening recesses 5 with rectangular plan, arranged as a matrix.
• number, shape and/or arrangement of the lightening recesses 5 can be different from those shown and described as an example: by increasing the number of lightening recesses 5 in the lower surface 3b, it is anyway advantageous to be able to manufacture a grid of reinforcement ribs 7 in order to further increase the upper surface 3a strength, however at the expense of the lightening effect, which can be obtained in the tile 1 according to the present invention.
• the number and/or sizes of the lightening recess 5 must therefore be a useful trade-off between the need of conferring an adequate strength to the upper surface 3a, and anyway to the tile 1 as a whole, and the amount of lightening of the tile 1 itself which has to be obtained, depending on the amount of material of the paving- tile block replaced by the lightening recess 5.
• a lightened tile 1 according to the present invention with the same sizes and material and equipped with six lightening recesses 5 with rectangular plan, each one of which has sizes 160 x 120 mm and defining reinforcement ribs 7 whose thickness is 15 mm, weighs 11,5 Kg., with obvious and advantageous results in terms of easiness and efficiency of transport and handling for laying with respect to known prior art tiles.
• the thickness reduction of the tile 1 according to the present invention next to the lightening recesses 5 could however have problems.
• the presence of humidity transpiring from the tamped floor on which the tile is placed can bring about the formation of stains on the upper surface 3a, or, more specifically, to the creation of darker chromatic differences which copy the below matrix arrangement of the lightening recesses 5 with respect to the filled tile 1 portions which remain clearer, resulting in a rather unpleasant aesthetic impact .
• the surface of the lightening recesses 5 is covered with an insulating with neglectable, if not null, hygroscopicity, as for example a plastic material as polystyrene, high-density polyurethane or resin of the two- mode type, to be laid after having manufactured the tile 1.
• an insulating with neglectable, if not null, hygroscopicity, as for example a plastic material as polystyrene, high-density polyurethane or resin of the two- mode type
• such insulating material is shaped as an insulating tank 9 whose shape and sizes are similar to the lightening recesses 5, such insulating tank 9 being adapted to be inserted inside a respective lightening recess 5.
• the insulating tank 9 could be kept inside its lightening recess 5 by being restrained or due to the simple friction exerted on the walls of the lightening recess 5 itself, Alternatively, it can be provided to make the insulating tank 9 integral with its lightening recess 5 through other securing means, such as for example by gluing.
• At least one insulating tank 9 could be pressure-inserted in the lower surface 3b when the material which composes the paving-tile block is still in its fluid state, thereby obtaining the double object of simultaneously creating the related lightening recess 5 and securing the insulating tank 9 inside it through the following material hardening.
• the possible shapes of the tile 1 according to the present invention and the possible number, shape and sizes of the lightening recesses 5 can be rather different.
• the lightening recesses 5 could be six, arranged in a matrix form with rows of three, and whose shape can be substantially rectangular with rounded angles: similarly, the insulating tanks 9 inserted in their respective lightening recesses 5 will have shapes and sizes similar to these latter ones.
• the tile could also not be shaped as a rectilinear plan, but for example a curvilinear plan, like the one shown in FIG. 5b.
• the present invention further refers to a process for manufacturing a lightened tile 1 like the previously described one.
• the process according to the present invention comprises the steps of: a) arranging at least one die 20 realising the upper surface 3a, the side edges 3c and possibly the free edge 3d of the paving-tile block of the tile 1 (FIG. 6a) ; b) pouring, inside such die 20, an adequate amount of material 21 for realising the paving-tile block; the material 21 to be used can be substantially known, such as for example white or coloured cement or concrete (FIG.
• insulating tank 9 made of insulating material with neglectable, if not null, hygroscopicity, such as for example a plastic material such as polystyrene, high-density polyurethane o resin of the two-mode type having shape and sizes of the lightening recess 5 to be manufactured; e) inserting F 1 at least one of such insulating tanks 9, along
• all insulating tanks 9 are provided simultaneously inserted in the material 21; f) vibrating the die 20 to remove from inside the material 21 possible fissures, interstices or bubbles possibly produced upon inserting the insulating tanks 9 of the previous step; g) drying the material 21 in the die 21; and h) extracting the tile 1 according to the present invention from the die 20.

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• Engineering & Computer Science (AREA)
• Manufacturing & Machinery (AREA)
• Chemical & Material Sciences (AREA)
• Ceramic Engineering (AREA)
• Mechanical Engineering (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Floor Finish (AREA)
• Road Paving Structures (AREA)

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• 2006
  • 2006-05-10 EP EP06756284A patent/EP2021564A1/de not_active Withdrawn
  • 2006-05-10 WO PCT/IT2006/000344 patent/WO2007129342A1/en active Application Filing

Non-Patent Citations (1)

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