Sail of one piece three dimensional fabric
AssigneeNorth Marine Group
InventorJohn H. Rodgers
Life of this patent
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Abstract
A sail is formed on a mold in a three dimensional fashion. The sail is a laminate having three corners. The sail includes two outer layers of film and an inner yarn structure. Yarns radiate from each corner of the sail and terminate at an edge opposite the corner. Additional secondary reinforcing elements may be added between the film layers.
Claims9
A sail, said sail comprising a one piece triangular body comprising three corners and three edges opposed from said corners, said body comprising a pair of outer film layers and a yarn structure laminated between the film layers said yarn structure comprising a plurality of continuous primary load bearing yarns radiating out of each of the three corners in straight continuous lines to the edge, opposite the respective corner.
A molded sail, said sail comprising a molded one piece triangular flexible body, said body having three corners and three respective edges opposed to said corners, said body comprising a pair of outer film layers, and a plurality of individual yarns diverging outwardly from each corner and extending to the edge opposite to each corner, at least some of said yarns, when the sail is viewed in plan, being substantially straight, at least some of said yarns being curved on a geodesic.
Dependencies are inferred from the claim text.