Lightweight solid safety swimming pool covers

Baths – closets – sinks – and spittoons – Pool type – Accessory

Reexamination Certificate

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Details

C004S503000, C160S378000, C139S38300A, C428S109000

Reexamination Certificate

active

06836907

ABSTRACT:
A solid mesh swimming pool cover incorporates a mesh layer that has been successfully used as a porous mesh cover for several years with a thin impermeable base layer. A two-step polymer coating process seals the mesh to produce a solid safety swimming pool cover of unusual light weight and durability with an abrasion resistant bottom layer that has a low coefficient of friction to facilitate easy removal. The base layer is a plastic or resin product, such as a co-polymer resin, and the top layer is a mesh pool cover fabric, such as polypropylene. Ultraviolet (UV) inhibitors added to both coating step materials insure an extended service life. Since the mesh used for the centrally located mesh panels in the drain type solid cover of this invention uses the same mesh as the rest of the non-porous cover, it is more aesthetically pleasing since it blends in with the rest of the cover.

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patent: 6047415 (2000-04-01), Brown
patent: 20020116756 (2002-08-01), Martin et al.

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