UNDERGROUND STORAGE TANK AND PROCESS OF MAKING

A female-molded double-walled underground storage tank (103) is provided with an annulus of reduced thickness, defined by a plastic film. The film (106) separates the inner (114) and outer (100) wall of the tank, providing an annulus which can be monitored to monitor the tank (103) for failure of ei...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BERG, ROBIN, L, BURWELL, JOHN, SMITH, JOHN, OLSON, NEIL
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE STORING TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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