Ships – Sail or control means therefor – Specific sail structure or arrangement
Patent
1990-04-11
1991-10-15
Swinehart, Ed
Ships
Sail or control means therefor
Specific sail structure or arrangement
114107, 114 391, B63H 904
Patent
active
050564498
ABSTRACT:
A sail batten for use in stiffening a sail comprises an elongate rectangular member (10) provided in its mid region with a channel section portion (11) which rises from one surface (12) of the batten, the channel section gradually decreasing in height from one end of the batten to the other so that the stiffness of the batten varies along its length.
REFERENCES:
patent: 2608172 (1952-08-01), Biuw
patent: 3905321 (1975-09-01), Blythe, Jr.
patent: 4487146 (1984-12-01), Parmentier
patent: 4633798 (1987-01-01), Skinner et al.
patent: 4864953 (1989-09-01), Allsopp et al.
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