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Tile for covering roofsTile for covering roofs description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20060026918, Tile for covering roofs. Brief Patent Description - Full Patent Description - Patent Application Claims
FIELD OF THE INVENTION [0001] The present invention relates to a new tile for covering roofs, of the type in material with a polymer matrix and capable of maintaining substantially unchanged the principal advantages offered by conventional tiles. DESCRIPTION OF PRIOR ART [0002] As known, the use of tiles is a very widespread system for covering the roofs of houses and of buildings in general. [0003] The function of tiles is to protect the building from atmospheric agents and to insulate it from external temperatures and from the sun's rays. [0004] In particular the preferred and most widely used tiles are those made of clay known as the Portuguese or Spanish tile, the French or Marseilles tile and the curved or barrel tile, also named "coppo". These tiles are conventional and are always produced with the same dimensions and shapes with the exception of a few small adjustments which might be made by the manufacturers. [0005] One reason for their widespread use lies in the prestigious aesthetic features of these tiles. [0006] Secondly, conventional tiles are widely used due to their standardization, which offers advantages such as easy availability, the chance of replacing any broken tiles perfectly, as the layout and assembly thereof is known to all those operating in the sector. [0007] The clay with which they are produced also offers a high level of thermal insulation and a high thermal capacity, in order to reduce heat dispersions and protect against sudden changes in temperature. [0008] Also known in the sector of roofing tiles are some tiles made of polymer materials, which differ from conventional tiles in shape, structure and technical specifications such as a much lighter weight and greatly increased toughness. [0009] The aforesaid prior art has some important drawbacks. [0010] One of the drawbacks of conventional tiles consists in their fragility. Due to this fragility, tiles must often be discarded due to breakage during processing. In fact, an average 5% of rejects are forecast during processing and other breakages can occur during transport and laying. Due to their fragility, conventional tiles are also liable to breakage during storms, especially hailstorms. [0011] A further drawback of conventional tiles consists in their weight, which limits handling and transport, extending processing times: Marseilles and Portuguese tiles weigh approximately 3 kg each, while curved tiles "coppo" weigh about 2 kg each. This weight also makes it very dangerous for them to be dropped. [0012] The considerable weight of the tiles means that the structure to support them must be stronger than the structure to support any other type of roof covering, such as bitumen or the like. [0013] This means that a structure provided for a bitumen roof or the like in various cases cannot be used to support conventional tiles. [0014] Currently known tiles in polymer materials have disadvantages of a different type. [0015] In fact, they have a different outer appearance to that of conventional tiles and this drawback has always caused builders to prefer the latter. [0016] Another drawback of polymer tiles is their excessive flexibility and low resistance to deformations, which produces an unpleasant feeling of poor solidity to the touch. [0017] A further drawback of polymer tiles is their very light weight, which can cause them to be removed by atmospheric agents. [0018] In practice, owing to their considerable distinguishing characteristics, tiles made of plastic materials have not met with the favor of those who make buildings and other constructions. [0019] In general, one basic drawback of known tiles lies in the lengthy process required to lay them on roofs. For example, 14.5 Portuguese or Marseilles tiles per square meter and 28 curved tiles "coppo" per square meter are required and all the tiles must be reciprocally positioned with care. [0020] As a result, covering a roof requires relatively lengthy working times, with considerable laying costs. SUMMARY OF THE INVENTION [0021] In this situation, the technical task of the present invention is to create a tile capable of substantially providing a solution to the aforesaid drawbacks while still maintaining said advantages offered by conventional tiles. Continue reading about Tile for covering roofs... Full patent description for Tile for covering roofs Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Tile for covering roofs patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. 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