FIELD: transportation; packing.
SUBSTANCE: roof is made undulating with radially positioned rundown chutes of oil tank. Reliable atmospheric precipitation drawoff excludes floating roof submergence because of atmospheric precipitation accumulation in oil-product and foreign objects in oil storage by means of creation the reliable drawoff for drain flows allowing for even lowering of oil tank cover onto drain hoses.
EFFECT: strengthening of flexible sheet profile by strainers of standard various profile.
2 dwg, 1 ex
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Authors
Dates
2008-11-27—Published
2007-01-22—Filed