Sealed wall structure and tank furnished with such a structure

Details Sealed wall structure and tank furnished with such a structure Sealed wall structure and tank furnished with such a structure

2004-10-01

2009-06-02

Stashick, Anthony D (Department: 3781)

Receptacles

End wall structure

One-piece side and end wall

C220S669000, C052S630000

Reexamination Certificate

active

07540395

ABSTRACT:
A sealed wall structure includes at least one sealed plate (10), the plate (10) being corrugated with at least one first series of corrugations and a second series of corrugations (6) of transverse directions, the corrugations protruding toward the internal face of a tank. The structure includes at least one reinforcing ridge (11) made on at least one corrugation of a series in its portion lying between two successive intersections (8) with corrugations of the other series, each ridge (11) being generally convex and made locally on at least one lateral face (6b) of the corrugation that supports it.

REFERENCES:
patent: 2870981 (1959-01-01), Dellinger et al.
patent: 3547302 (1970-12-01), Massac et al.
patent: 3824664 (1974-07-01), Seeff
patent: 5115936 (1992-05-01), Bartlow
patent: 1 376 525 (1964-10-01), None
patent: 1 379 651 (1964-11-01), None
patent: 2 781 557 (2000-01-01), None

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