Pontoon log and method of making same

Details Pontoon log and method of making same Pontoon log and method of making same

1990-06-19

1991-02-19

Basinger, Sherman

Ships

Hull or hull adjunct employing fluid dynamic forces to...

Pontoon structure

114 61, 114267, 114356, B63B 112

Patent

active

049933507

ABSTRACT:
A pontoon log is formed by welding the upper flanged edges of a U-shaped hull member to the side edges of a flat top plate. At points at which the deck beams are to be attached to the log, the log top plate is notched and the weld is continued around the perimeter of each notch. The deck beams are bolted to the pontoon log with the bolts passing only through the hull flange in the region of the notches and hence outboard of the weld line. The modified embodiments, various types of spacers and clips are provided to reinforce the hull flange in the region of deck beam attachment.

REFERENCES:
patent: 3134113 (1964-05-01), Boyington et al.
patent: 3345967 (1967-10-01), Sweet
patent: 3426716 (1969-02-01), Hackworth
patent: 3465486 (1969-09-01), Rolin
patent: 3585955 (1971-06-01), Cella
patent: 3796175 (1974-03-01), Ford et al.
patent: 3840926 (1974-10-01), Stoeberl
patent: 3970402 (1976-07-01), Yamashita
patent: 4627373 (1986-12-01), Nishida
patent: 4777898 (1988-10-01), Faulkner

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