B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
26/182, 61/2.4
B65H 81/00 (2006.01) B29C 63/18 (2006.01) B29C 63/22 (2006.01) B29C 69/00 (2006.01) B29D 22/00 (2006.01)
Patent
CA 1336801
A secondary containment capsule for enclosing primary storage tanks made of one or more standard axial portions and end caps is disclosed. Each of these segments are separately molded from a curable plastic material such as fiberglass reinforced polyester. Axial segments are separately slid over the primary tank and joined together at their mating ends, forming a longitudinal cylinder covering the longitudinal sides of the primary tank. The molded end caps are then placed over the outer ends of the longitudinal cylinder formed by the axial segments to completely enclose the primary tank. The same end caps and axial segments can be used for enclosing primary tanks having the same diameter but different lengths. In another embodiment, the one or more substantially cylindrical sections of the secondary containment capsule are formed on a male mold and split longitudinally for removal from the mold. Such section or sections are then clamped around the primary storage tank and rejoined on the split, with molded end caps also being bonded in place. This facilitates removal of the section from a suitably textured mold, easy placement of the split section over the tank and the light clamping of the section around the tank until rejoined, providing the desired fluid migration space between the tank and the containment capsule without looseness therebetween.
587587
Riches Mckenzie & Herbert Llp
Trusco Tank Inc.
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