B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
61/2.4
B65D 25/24 (2006.01) B67D 7/78 (2010.01) B60S 5/02 (2006.01) B65D 90/10 (2006.01)
Patent
CA 1238793
ABSTRACT OF THE DISCLOSURE Sumps are mounted on manway fittings of underground tanks, and all piping runs are routed through a sump. Underground portions of pipes between a sump and a point above ground are provided with a double wall. Filling spills and leakage from pipes into the environment are thereby generally prevented.
493997
Messmer Michael J.
Pugnale Peter J.
Communications Research Laboratory Independent Administrative
G. Ronald Bell & Associates
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