Ships – Spars – Masts and masting
Patent
1995-06-13
1997-04-08
Swinehart, Edwin L.
Ships
Spars
Masts and masting
114357, 156156, 156169, B63H 1500
Patent
active
056178077
ABSTRACT:
A carbon fiber spar is provided which comprises a layer of carbon fiber forming a one-piece circumference and having an integral sail-attaching groove formed by a plastic insert bonded together with the layer of carbon fiber during curing so that the fiber layer forms a hollow for receiving the plastic insert in interlocking engagement.
REFERENCES:
patent: 3270111 (1966-08-01), Haldemann
patent: 4804347 (1989-02-01), Ross
patent: 5490472 (1996-02-01), Hulse et al.
Heinemann John G.
Hulse David J.
Isomat, Inc.
Swinehart Edwin L.
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