Receptacles – Stationary tank
Patent
1994-01-28
1994-09-13
Pollard, Steven M.
Receptacles
Stationary tank
220465, 220 412, B65D 2518
Patent
active
053460936
ABSTRACT:
This invention relates to an improvement in an above-ground storage system for volatile liquids wherein there is a horizontally extending cylindrical storage tank located in a dike, the tank having a top vent through which liquid may escape; the vent being surrounded by a collar and top cover to form a chamber around the vent and the collar having an outlet to drainage means down into the dike; the improvement comprising a weir so positioned in the collar that a limited overflow of liquid from the tank through the vent is retained by the weir within the collar at the top of the tank and escaping to the dike only when the capacity of the weir is exceeded.
REFERENCES:
patent: 4685585 (1987-08-01), Robbins
patent: 4895272 (1990-01-01), De Benedittis et al.
patent: 4986436 (1991-01-01), Bambacigno et al.
De Benedittis Louis
Frey, Sr. Charles A.
Areo-Power Unitized Fueler Company, Inc.
Pollard Steven M.
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