Hooked collar for piers and bridge including the same

Details Hooked collar for piers and bridge including the same Hooked collar for piers and bridge including the same

2008-04-24

2010-11-02

Addie, Raymond W (Department: 3671)

Bridges

Pier

C014S078000, C405S076000, C405S074000, C405S080000

Reexamination Certificate

active

07823240

ABSTRACT:
A bridge includes a pier, and a hooked collar at least formed on upstream surface of the pier. The anti-scour structure includes at least one hook extending upwardly. The hook configured for guiding water flow or downflow to move upwardly thereby protect river bed from being scoured.

REFERENCES:
patent: 48530 (1865-07-01), Derrom
patent: 3738113 (1973-06-01), Madary et al.
patent: 4019332 (1977-04-01), Lamy
patent: 4717286 (1988-01-01), Loer
patent: 5839853 (1998-11-01), Oppenheimer et al.
patent: 6186445 (2001-02-01), Batcho
patent: 2005023378 (2005-03-01), None

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