Multi-layer slab product made of stone granulates and relative manufacturing process
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United States of America Patent
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May 3, 2005
Grant Date -
N/A
app pub date -
Aug 22, 2000
filing date -
Aug 26, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
The invention concerns a product and the relative manufacturing process, said product, including at least a precast support (2) of expanded material and at least a layer (3) of agglomerated stone material in form of granulates bound by a binding phase, over at least one surface of said expanded support (2). According to suitability, the product (1) is made by a sandwich structure with an intermediate layer of expanded material and two surface coatings of stone material. The product (1) can also have a complex or modular shape, from which it is possible to cut and eventually to work finished pieces of predetermined dimensions. The main advantage of the invention consists in obtaining a finished product (1, 10, 100) lighter than a product made of agglomerated stones homogeneous in the thickness.
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Cited Art Landscape
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