Composite sail mast with high bending strength

Details Composite sail mast with high bending strength Composite sail mast with high bending strength

1989-06-14

1991-09-17

Lesmes, George F.

Ships

Spars

Masts and masting

156173, 428 362, 428 363, 428113, 428284, 428294, 428302, 428408, 428902, B63B 1500, B31C 0000, B29D 2200, B32B 506

Patent

active

050484419

ABSTRACT:
A composite member features a unique ply geometry which contributes to improved bending strength. The composite is constructed of a plurality of plies, each comprising a fiber component disposed within a polymer matrix. An inner ply has a fiber component which has fibers which are circumferentially extending. An intermedaite ply has first axially extending fibers which are disposed about the circumference of the composite, as well as second axial fibers which are interwoven with helically oriented fibers and embedded in a polymer matrix. An outer layer is similar to the inner layer as it features circumferentially extending fibers which are embedded in a polymer matrix.
The composite materials may be used to manufacture a wide range of items which require light weight combined with high strength.

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patent: 4759147 (1988-07-01), Pirazzini
Tygon Tubing, Bulletin T-104, Norton Performance Plastics, Akron, Oh.

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