Process for reinforcing plastic material and products therefrom

Details Process for reinforcing plastic material and products therefrom Process for reinforcing plastic material and products therefrom

B - Operations, Transporting

62

D

18/645

B62D 29/04 (2006.01) B64C 3/24 (2006.01)

Patent

CA 1063308

Abstract of the Disclosure A plastics structure, such as the centre-board for a sailing boat or a vehicle body panel, comprises a foamed plastics material containing arrays of high tensile steel reinforcing wires having a diameter in the range 0.040 to 0.125 inches and a yield strength of not less than 200,000 psi, located in the surface layers thereof at a distance of not less than 0.06 inches below the surface, to yield a structure having improved impact resistance and enhanced rigidity. The wires may be located in preformed plastic spacer elements or on a plastic sheet material which then forms the outer surface skin of the structure. Polyurethane is the preferred plastics material. Additional layers of reinforcing wires may be included if re- quired and it is preferred that all wire be pretreated by e.g. shot blasting to improve adherence to the plastics material.

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