Elongated enclosure of large cross-section, and process for its

Details Elongated enclosure of large cross-section, and process for its Elongated enclosure of large cross-section, and process for its

1992-12-07

1995-09-12

Scherbel, David A.

Pipes and tubular conduits

Combined

138105, 405154, 405157, F16L 904

Patent

active

054490200

ABSTRACT:
An elongated enclosure designed to withstand internal pressure which may exceed 10 bars and forming a sealed, fluid-tight tubular space having a truncated transverse section, the enclosure comprising a lower part formed by a rigid concrete slab resting on the ground and an upper part constituted by a thin metal wall in the shape of a curved arch extending between two lateral ends parallel to the longitudinal axis and connected to the slab, each of which is attached by a longitudinal junction piece connected tangentially to the lateral end of the arch. The upper face of the slab has a width substantially equal to the space between the two lateral ends, and each junction piece is constituted by a flat plate extending within the extension of the arch and pressed from the outside against the corresponding lateral face, each plate being linked to a position-maintenance arrangement capable of preventing this plate from shifting along the corresponding lateral face of the slab under the effect of forces generated by internal pressure, and of preventing detachment of these plates under the effect of external forces.

REFERENCES:
patent: 925019 (1909-06-01), Parks
patent: 1541918 (1925-06-01), Brennan
patent: 2857648 (1958-10-01), March
patent: 3508406 (1970-04-01), Fisher
patent: 3734137 (1973-05-01), Stanley
patent: 5061121 (1991-10-01), Matiere

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