Extrusion-sections for boats

Details Extrusion-sections for boats Extrusion-sections for boats

1998-01-02

2000-05-09

Basinger, Sherman

Ships

Building

Iron

114 88, B63B 300

Patent

active

060588659

ABSTRACT:
A generally rectangular metallic extrusion (20) for boat hull (21) construction, the extrusion (20) supporting a bottom sheet member (26). The extrusion (20) comprises a number of longitudinal ribs (30) installed upwardly from the bottom sheet, a first longitudinal rib (23) having a generally rounded protruding male joint (22), and a last longitudinal rib (28) having a generally concave female joint (24) mounted to surround the male joint (22) of an adjoinning extrusion (20). The male joint (22) has a recessed neck (39), of the same thickness as the bottom sheet (26), and receives a base (35) of the female joint (24) to form a welding nest. A mounting form is first set and the extrusions laid according to a desired shape. The rotation and adjustment of the protruding male joint (22) in the adjoining concave female joint (24) permits the positioning and meshing of two extrusions (20) at a selected deflection angle, before welding.

REFERENCES:
patent: D233035 (1974-10-01), Donne
patent: D370983 (1996-06-01), Stansfield
patent: 3156210 (1964-11-01), Lyon
patent: 3385182 (1968-05-01), Harvey
patent: 3388446 (1968-06-01), Phillips
patent: 3708943 (1973-01-01), Thomas et al.
patent: 4733629 (1988-03-01), Hunt et al.

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