초록 ▼

A sleeve-like container fabricated from a waterproof material, comprising an upper and lower surface with a hollow interior filled with salt. At least a portion of the lower surface is perforated with a plurality of openings and is positioned with the lower perforated surface in contact with the upp

A sleeve-like container fabricated from a waterproof material, comprising an upper and lower surface with a hollow interior filled with salt. At least a portion of the lower surface is perforated with a plurality of openings and is positioned with the lower perforated surface in contact with the upper surface of a flat, sloped roof to provide wicking absorption of water flowing down the roof into the salt. Absorption of water by the salt and leads to release of the resulting saline solution through the perforated openings to the surface of the roof, preventing formation of ice on the roof downstream of the plastic sleeve and in the roof drain. The waterproof container with the packed salt is, preferably, secured to the surface of the roof by an adhesive tape, or a weight attached to or lying upon opposite ends of the container. In another embodiment, the de-icer is a solid block of a pressed, granulated salt having a top portion water-proofed to prevent rapid deterioration due to precipitation.

대표청구항 ▼

[ What is claimed is:] [1.]1. An apparatus for preventing formation of ice on a roof, comprising:a sleeve-shaped container formed of a waterproof material having a hollow interior and having generally upper and lower surfaces, at least the lower surface has at least a portion thereof perforated with

[ What is claimed is:] [1.]1. An apparatus for preventing formation of ice on a roof, comprising:a sleeve-shaped container formed of a waterproof material having a hollow interior and having generally upper and lower surfaces, at least the lower surface has at least a portion thereof perforated with a plurality of openings, said container being at least partially filled with granular salt;said container being closed near opposing ends thereof with suitable ties to retain the salt within the container; the container being placed upon a roof surface and so that the perforations rest on or near the roof surface, whereby water flowing along the surface of the roof and against said container is drawn through said perforations and into the interior of the container by said salt, and whereby the water drawn into the container is converted into a saline solution which subsequently flows by gravity out through said perforations and onto the roof surface to facilitate the flow of water off of the roof and to prevent water collected on the roof in the region of said container to freeze.