Pressure vessel safety locking mechanism

Chemical apparatus and process disinfecting – deodorizing – preser – Physical type apparatus – Apparatus for treating solid article or material with fluid...

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Details

422102, 422242, 277632, 220319, B01J 303, B65D 4532

Patent

active

060427930

ABSTRACT:
The invention discloses a plurality of cylindrical slugs linked together by a cable. The slugs are separated by spacers and the cable is crimped at each end thereof to keep the slugs and spacers from coming off the cable. The cable-slugs-spacers assembly is inserted through a guide tube and into an annulus locking the cover of the pressure vessel to the housing of the vessel. A relief mechanism is provided in the cover to ensure that the cable-slugs-spacers assembly is fully inserted in the annulus thus preventing accidental extrication of the cover when the vessel is pressurized. A proximity sensor is positioned in the housing of the vessel and senses the pressure of the first slug inserted into the annulus thus insuring that the cable-slugs-spacers assembly has been fully inserted in the annulus. A coupling is provided on one end of the cable-slugs-spacers assembly to positively lock the assembly in place ensuring that the cover will not be extricated from the pressure vessel under pressure.

REFERENCES:
patent: 2811379 (1957-10-01), Hemsworth
patent: 4325914 (1982-04-01), Ruyak
patent: 5335807 (1994-08-01), Gregory

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