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US 10,316,518 B2Granted
Glazed porcelain roof tile
AssigneeDaltile Corporation
InventorsRahul Patki, Terry Adams, Raul Rodriguez, Claudio Caselli
Life of this patent
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Abstract
Roof tile for forming a roof covering, wherein the roof tile (1) comprises a ceramic body (8); wherein said ceramic body (8) is made of porcelain; and wherein the roof tile (1) further comprises a glaze coating (9), which is situated above said ceramic body (8).
Claims14
A roof tile for forming a roof covering, the roof tile comprising:
- a ceramic body made of porcelain;
- a glaze coating situated above the ceramic body, and
- a second layer situated below said ceramic body,
- wherein said second layer is made of one or more materials selected from the group consisting of a thermoplastic polymer, a thermosetting polymer, and an elastomer, and
- wherein the glaze coating comprises (i) a décor comprising a print and (ii) a transparent or translucent glaze layer arranged over the print, and
- wherein the roof tile has a water absorption rate of less than 0.5% measured according to the norm ASTM C373, and
- wherein the décor represents or forms an image of a plurality of roof tiles providing a reduced risk of water penetration.
4 more elements
A roof tile for forming a roof covering, the roof tile comprising:
- a ceramic body made of porcelain;
- a reinforcement layer situated below said ceramic body;
- at least one attachment hole present in at least said ceramic body;
- a glaze coating, situated above the ceramic body, and
- a second layer situated below said ceramic body,
- wherein said second layer is made of one or more materials selected from the group consisting of a thermoplastic polymer, a thermosetting polymer, and an elastomer, and
- wherein the glaze coating comprises (i) a décor comprising a print and (ii) a transparent or translucent glaze layer arranged over the print, and
- wherein the roof tile has a water absorption rate of less than 0.5% measured according to the norm ASTM C373, and
- wherein the thickness of said roof tile is located between 5 mm and 20 mm, and
- wherein the roof tile is at least 350 mm wide.
7 more elements
Dependencies are inferred from the claim text.