Laminated floating cover material

Details Laminated floating cover material Laminated floating cover material

B - Operations, Transporting

65

D

20/15.19

B65D 85/00 (2006.01)

Patent

CA 1079925

ABSTRACT OF THE DISCLOSURE This invention relates to a laminated material for a floating cover for a liquid storage reservoir. A peripheral envelope formed at least adjacent a portion of the peripheral edges of the floatable cover is adapted to be inflated with a compressible fluid, such as air, for proper tensioning of the cover as the level of the stored liquid varies in the reservoir and for preventing wrinkling of the cover. The peripheral envelope is adapted to be filled with a non-compressible fluid for pro- viding a ballast for the cover during maintenance operations thereof while the cover is inflatably supported for maintenance of the cover and/or reservoir. The cover material has a reinforced upper layer and a floatable lower layer which is supported by the liquid.

318987

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