The invention relates to chemically resistant structures that float on top of a liquid to reduce the level of evaporation from the liquid. The liquid could be in a small container or vat, or in a larger pool, pond, or reservoir. The structure is preferably a foamed material of a polyamide or fluoropolymer, or may be a hollow or foamed structure having a polyamide or fluoropolymer outer layer. The structures covering the liquid may consist of a single structure or two or more discrete structures that partially or fully cover the surface of a liquid. The covering is especially useful where the fluid contains toxic, reactive or corrosive substances. One preferred structure is a polyvinylidene fluoride foam structure (such as a KYNAR from Arkema Inc) at about 0.1-36 inches in length/diameter.

The invention relates to chemically resistant structures that float on top of a liquid to reduce the level of evaporation from the liquid. The liquid could be in a small container or vat, or in a larger pool, pond, or reservoir. The structure is preferably a foamed material of a polyamide or fluoropolymer, or may be a hollow or foamed structure having a polyamide or fluoropolymer outer layer. The structures covering the liquid may consist of a single structure or two or more discrete structures that partially or fully cover the surface of a liquid. The covering is especially useful where the fluid contains toxic, reactive or corrosive substances. One preferred structure is a polyvinylidene fluoride foam structure (such as a KYNAR from Arkema Inc) at about 0.1-36 inches in length/diameter.

An adjustable deck positioner includes a vertical member having means for attaching to a deck rim and having a pivot arm bracket; a pivot arm assembly having a pivot arm attached to the pivot arm bracket, wherein the pivot arm may pivot between a substantially vertical position within the pivot arm bracket and an extended position angled away from the vertical member; and a lock pin installed across the pivot arm bracket, for constraining movement of the pivot arm towards the vertical member, thereby setting the angle at which the pivot arm extends from the vertical member.

An adjustable deck positioner includes a vertical member having means for attaching to a deck rim and having a pivot arm bracket; a pivot arm assembly having a pivot arm attached to the pivot arm bracket, wherein the pivot arm may pivot between a substantially vertical position within the pivot arm bracket and an extended position angled away from the vertical member; and a lock pin installed across the pivot arm bracket, for constraining movement of the pivot arm towards the vertical member, thereby setting the angle at which the pivot arm extends from the vertical member.

A float floating in a liquid has a spherical body having a spherical shape from which parts are cut off so as to form a regular hexagonal shape when viewed from one direction. In addition, the float is shaped so as to form a regular hexagonal shape when viewed from the above-mentioned one direction, and the floats are arranged in a honeycomb geometry to thereby reduce the contact area between the liquid and air.

A float floating in a liquid has a spherical body having a spherical shape from which parts are cut off so as to form a regular hexagonal shape when viewed from one direction. In addition, the float is shaped so as to form a regular hexagonal shape when viewed from the above-mentioned one direction, and the floats are arranged in a honeycomb geometry to thereby reduce the contact area between the liquid and air.

A floating cover system for a container with an open top includes a plurality of floating cover sections with cover connector devices spaced along a periphery of each at a connector spacing. A ballast tube has tube connector devices spaced along the exterior thereof at the same connector spacing. The ballast tube is open at each end and longer ballast tubes also define access holes along a length thereof. Water enters an interior of the ballast tube through the open ends thereof and the access holes, if any. When all the cover sections are installed in the container, the open top of the container is substantially covered by cover sections joined together at seams where adjacent cover connector devices are connected together, and the tube connectors are connected to the cover connectors along a ballast seam such that the ballast tube is located under the ballast seam.

A clip for securing one or more cover panels within a containment structure includes an annular portion partially-enclosing an internal space and two compressible legs adjoining opposite ends of the central portion. The clip further includes a clasp with first and second securing tabs configured to fixedly secure an object within the internal space and apply an outward force on the compressible legs.

A clip for securing one or more cover panels within a containment structure includes an annular portion partially-enclosing an internal space and two compressible legs adjoining opposite ends of the central portion. The clip further includes a clasp with first and second securing tabs configured to fixedly secure an object within the internal space and apply an outward force on the compressible legs.

The invention comprises a float evaporation reduction apparatus and method of use thereof. Individual floats self-right, self-unstack, and/or self-move through elements of the float design, such as a wind redirection element and/or a stability element. In one case, floats use top-side ridges to redirect wind forces to form, interconnect, and/or stabilize a self-assembled monolayer of floats. In another case, floats use side friction/interconnection forces to stabilize adjacent floats. In another case, one float and preferably a spatially distributed set of floats gather localized information as to the surrounding environment, and/or communicate data and/or information back to a controller.