Pressure activated fluid retaining system and method

Details Pressure activated fluid retaining system and method Pressure activated fluid retaining system and method

1988-08-17

1989-11-21

Corbin, David H.

Hydraulic and earth engineering

Miscellaneous

405115, E02B 700

Patent

active

048818542

ABSTRACT:
Disclosed is a pressure activated fluid retaining system and method. A flexible inflatable member in the form of hose means is positioned beneath threshold means. The threshold means is movable between a horizontal position and a vertical position. The hose means is selectively pressurized and expanded so that it contacts and moves the threshold means from the horizontal position to the fluid retaining vertical position.

REFERENCES:
patent: 2097908 (1937-11-01), Allen
patent: 2757045 (1956-07-01), Nullet
patent: 4202646 (1980-05-01), Herstad
patent: 4276064 (1981-06-01), Gerdes
patent: 4305469 (1981-12-01), Morrisette
patent: 4314774 (1982-02-01), Tsuji et al.
patent: 4352591 (1982-10-01), Thompson
patent: 4657086 (1987-04-01), Aanensen

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