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US 6,660,384 B1Granted
Compound tile having a natural stone visible face and fabrication process
AssigneeUralita de Productos Y Servicios, S.A.
InventorsJuan J. Pastor Segura, Kepa Ceara Apraiz, Jose Maria Martinez Tejera
Life of this patent
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Abstract
Compound tile with natural stone visible side, preferably marble, of the type comprising a plate of natural stone having a reduced thickness and firmly fixed by adhesive means to a rigidification supporting sheet, said support having a particular composition which is adapted to the physical characteristics of the natural stone plate.
Claims33
A compound tile comprising a natural stone plate;
- an adhesive;
- and a supporting sheet fixed to the natural stone plate by the adhesive, wherein
- the supporting sheet is produced by a process comprising pressing and autoclave curing a mixture containing cement;
- silica;
- cellulose fibers;
- sand;
- size stabilizing agents;
- and water-repelling agents.
5 more elements
A process for manufacturing a compound tile, the process comprising
- cutting from a block of natural stone a first natural stone plate;
- forming a module comprising two supporting sheets and the first natural stone plate sandwiched between the two supporting sheets;
- fixing the two supporting sheets to the first natural stone plate with an adhesive, where the fixing comprises compressing the module and curing the adhesive;
- cutting the first natural stone plate in two, through a middle plane, to obtain a second natural stone plate having a cut visible face;
- shaving and polishing the cut visible face of the second natural stone plate;
- and
- forming the compound tile, wherein
- the compound tile comprises the second natural stone plate, the adhesive, and one of the two supporting sheets fixed to the second natural stone plate by the adhesive;
- and
- each of the two supporting sheets is produced by a process comprising pressing and autoclave curing a mixture containing cement, silica, cellulose fibers, sand, size stabilizing agents, and water-repelling agents.
7 more elements
Dependencies are inferred from the claim text.