Roofing tile and method for producing such a roofing tile

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United States of America Patent

PATENT NO 11130710
APP PUB NO 20180170809A1
SERIAL NO

15896625

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Abstract

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A roofing tile composed of concrete material and a method for producing such a roofing tile. The concrete material contains a binder, a gravel, a light-weight aggregate, and added water. The roofing tile has at least one watercourse and a lateral interlocking joint having a covering fold and a water fold. The ratio of water to binder is less than 0.3, the light-weight aggregate is composed of a material that is hydrophobic and/or not hygroscopic, and the roofing tile has a density in the range of 1.6 g/cm3 to 1.9 g/cm3 after the hardening. The roofing tile has a thickness of 5 mm to 9 mm, preferably 7 mm to 8 mm, in the highly loaded regions, preferably in the region of the watercourse.

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Patent Owner(s)

  • BMI GROUP HOLDINGS UK LIMITED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cranfield, Ben Sussex, GB 2 0
Drechsler, Andreas Schaafheim, DE 24 132
Friedrich, Michael Obertschausen, DE 89 650
Heise, Michael Neu-Bamberg, DE 19 635
Klein, Jürgen Rodgau, DE 7 39
Westphal, Stephan Echzell, DE 5 3

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