Boat bottom construction

Details Boat bottom construction Boat bottom construction

1991-01-23

1991-11-12

Sotelo, Jesus D.

Ships

Boats, boat component, or attachment

Hull construction

B63B 524

Patent

active

050638700

ABSTRACT:
A boat hull bottom is provided including a contoured bottom panel having opposite longitudinal margins upwardly from which opposite hull sides project. A bottom panel is disposed between and secured to the hull sides at an elevation spaced above the bottom panel and a corrugated stiffener including longitudinal corrugations is disposed between the bottom panel and the underside of the flooring. The uppermost portions of the corrugated stiffener are bonded and mechanically secured to the flooring panel and the lowermost extremities of the corrugated panel are bonded to the bottom panel, the upwardly opening and downwardly opening channels defined by the corrugated stiffener each being substantially filled with expandable rigid foam floatation having adherent properties by injection the floatation material into the channels through openings provided thereof formed in the bottom panel opening into the upwardly opening channels and formed in the bottom panel and the upper web portions opening into the downwardly opening channels, the rigid foam floatation forming reinforcement between not only the flooring panel and the bottom panel but also between adjacent upstanding portions of the corrugated panel.

REFERENCES:
patent: 3007208 (1961-11-01), Urban
patent: 3064238 (1962-11-01), Newberry et al.
patent: 3315284 (1967-04-01), Ludlow
patent: 3435470 (1969-04-01), Krenzler
patent: 3593354 (1971-07-01), Carter
patent: 3611461 (1971-10-01), Wurzberger
patent: 3663976 (1972-05-01), Momany
patent: 3711581 (1973-01-01), Fowler et al.
patent: 4032689 (1977-06-01), Johnson et al.
patent: 4131962 (1979-01-01), Vernon
patent: 4495884 (1985-01-01), Stark
patent: 4508047 (1985-04-01), Bordat

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