Process for assembling long sections of booms of support legs of

Details Process for assembling long sections of booms of support legs of Process for assembling long sections of booms of support legs of

1995-07-18

1997-03-04

Taylor, Dennis L.

Hydraulic and earth engineering

Marine structure or fabrication thereof

With work deck vertically adjustable relative to floor

2989731, 21912114, 228171, E02B 1700

Patent

active

056072597

ABSTRACT:
The process for assembling long sections (11) of booms of support legs of an oil platform comprises machining an inclined flat surface (15) on the whole of the length of each main face of a rectangular plate (12), machining a groove behind each flat surface (15), machining an inclined chamfer on longitudinal edges of a stiffener (13), placing a stiffener (13) on each main face of the rectangular plate (12), welding each stiffener (13) to the rectangular plate (12), under a vacuum from the exterior by means of an electron beam, in the region of the chamfers and the flat surfaces so as to produce a section (11), and heat treating the section (11).

REFERENCES:
patent: Re32589 (1988-02-01), Goldman et al.
patent: 3857150 (1974-12-01), Faucheux
patent: 3967457 (1976-07-01), Lovie
patent: 4000952 (1977-01-01), Bryan et al.
patent: 4163402 (1979-08-01), Bykhovsky et al.
patent: 4627768 (1986-12-01), Thomas et al.
patent: 4801125 (1989-01-01), Kocher
patent: 5445309 (1995-08-01), Yamada et al.

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