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US 5,902,683 AGranted
Construction shingle
AssigneeGeneral Electric Company
InventorRonald F. Sieloff
Life of this patent
Estimating the term…
Abstract
The disclosure is of a building construction shingle of a synthetic polymeric resin protected from weathering with a laminated layer of U-V resistant polycarbonate resin.
Claims4
A self-supporting laminate shingle for the exterior of a building, said shingle having resistance to damage caused by ultra-violet radiation, wherein said shingle comprises:
- a. a textured rigid substrate of a thermoplastic, synthetic polymeric resin;
- and
- b. a flexible film of an aromatic, straight chain polycarbonate resin blend containing 0.5 to 15 percent by weight of an ultra-violet radiation absorbing agent;
- wherein the flexible film is laminated to a surface of the rigid substrate intended for exposure to weather, and wherein the film is laminated to the surface by a laminating press.
1 more element
A self-supporting laminate shingle for the exterior of a building, said shingle having resistance to damage caused by ultra-violet radiation wherein said shingle comprises:
- a. a textured rigid substrate of a thermoplastic, synthetic polymeric resin colored with a coloring proportion of a pigment;
- and
- b. a flexible film of an aromatic, straight chain polycarbonate resin blend containing 0.5 to 15 percent by weight of an ultra-violet radiation absorbing agent;
- wherein the flexible film is laminated to a surface of the rigid substrate intended for exposure to weather, and wherein the film is laminated to the surface by a laminating press.
1 more element
Dependencies are inferred from the claim text.