Sailboard or surfboard and its method of making

Details Sailboard or surfboard and its method of making Sailboard or surfboard and its method of making

B - Operations, Transporting

29

C

18/119, 114/13

B29C 67/00 (2006.01) B29C 37/00 (2006.01) B29C 44/56 (2006.01) B29C 51/10 (2006.01) B29C 70/86 (2006.01) B63B 35/79 (2006.01)

Patent

CA 1252341

SAILBOARD OR SURFBOARD AND ITS METHOD OF MAKING A B S T R A C T A method making a sailboard or surfboard is described, in which a prefabricated foam core has fibrous material wound about it and a polyurethane resin specially set with a reaction retarder is poured onto the fibrous material, whereupon the thus treated foam core is inserted in a moulding tool and the mould is closed for curing the polyurethane resin. Desireably, the mould is lined with a surface layer, particularly a deep drawn thermoplastic film, before the treated foam core is inserted. In this way one can make low-weight boards of high strength with relatively low production and material costs.

460665

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