Ships – Watercraft with means used in providing sailpower – Having specifically defined hull shape
Patent
1984-08-07
1985-12-03
Blix, Trygve M.
Ships
Watercraft with means used in providing sailpower
Having specifically defined hull shape
441 74, 114357, B63H 906
Patent
active
045560030
ABSTRACT:
The present invention is with respect to craft such as surfboards and more specially sailboards made up of a board body of synthetic resin foam and with a synthetic resin shell and having fittings such as a daggerboard case, mast foot sleeves or sockets, connection points for foot straps, skegs etc. The sailboard is made up of a base element having all the fittings on it. The top part of a skin-compatible, flexible light-weight synthetic resin or plastic is fixed on the base element. All mechanical forces are taken up by the base element while the greater part of the buoyant volume is formed by the top part. The top part may more specially be so designed that it may be taken off the base element and an other one put in its place.
REFERENCES:
patent: 3414917 (1968-12-01), Gust
patent: 3514798 (1970-06-01), Ellis
patent: 4129911 (1978-12-01), McDonald et al.
patent: 4194458 (1980-03-01), Messing
patent: 4253209 (1981-03-01), Carn
patent: 4276844 (1981-07-01), Fremont
patent: 4350113 (1982-09-01), Moreau et al.
Avila Stephen P.
Blix Trygve M.
Mistral Windsurfing AG
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