E - Fixed Constructions – 04 – D
Patent
E - Fixed Constructions
04
D
20/70
E04D 1/00 (2006.01) B28B 11/00 (2006.01) B28B 11/08 (2006.01) B28B 11/16 (2006.01) E04D 1/16 (2006.01)
Patent
CA 1241519
ABSTRACT OF THE DISCLOSURE A ROOF STRUCTURE, A ROOFING PLATE AND A METHOD FOR MAKING THE SAME A sloping roof structure comprises a supporting structure and a plurality of elastically flexible, outwardly convexly curved roofing plates mounted thereon. The roofing plates are mounted in a partly overlapping relationship so that the lower rim portion of each plate overlaps the upper rim portion of an adjacent lower plate. Each roofing plate is fastened to the supporting structure by means of nails, screws or other fastening means at a portion intermediate of the upper and lower rim portions of the plate. The initially curved plate is fixed in an at least partly flattened condition, whereby the upper and lower rim portions are resiliently pressed against the supporting structure and the outer surface of the adjacent lower plate, respectively. The curved roofing plates for such a roof struc- ture may be made from a layer of a plastic, deformable material, such as a cement mixture which may be reinforced by fibers. This layer of material may be placed on a curved supporting surface so that the layer of material attains a shape similar to that of the supporting surface. The layer of material may then be hardened or set while supported by the curved supporting surface.
481064
Gregersen Johan C.
Nielsen Jens P.
Dansk Eternit-Fabrik A/s
Mccarthy Tetrault Llp
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