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US 5,854,470 AGranted
Snow melting mat system
OwnerPercy Silvainventor
Life of this patent
Estimating the term…
Abstract
A new Snow Melting Mat System for melting snow and ice near a walking path thereby preventing slipping of individuals. The inventive device includes a mat having a plurality of drain slots, a tube projecting within the mat, a pump connected to both ends of the tube for circulating heated oil, and a heating coil surrounding a portion of the tube for heating the oil within the tube during circulation.
Claims8
A snow melting mat, comprising:
- a mat substantially swaged and formed for positioning along a walkway;
- and
- a heating means positioned within said mat for heating said mat thereby melting accumulated snow or ice for preventing slipping of an individual;
- wherein said mat has top and bottom surfaces with a plurality of drain slots projecting into said top surface of the mat such that said slots form a plurality of elongate ridges, each of said ridges having an upper surface oriented substantially parallel to each other and to said bottom surface, said slots each having a lower surface oriented substantially parallel to the upper surfaces of said ridges;
- wherein said heating means a positioned in said ridges between a plane formed by the upper surfaces of said ridges and a plane formed by the lower surfaces of said slots to thereby concentrate the heat transferred from said top surface of said mat and minimize the heating of water in said slots.
2 more elements
A snow melting mat, comprising:
- a mat formed for positioning along a walkway, said mat having a plurality of ridges disposed from an unridged portion of said mat, each of said ridges being substantially parallel to each other and substantially perpendicular to said unridged portion of said mat whereby a plurality of drain slots is formed between said ridges;
- a length of tube being substantially positioned within said mat, said tube extending substantially into a full length of each of said plurality of ridges, said tube having an inlet end and an outlet end, said inlet and said outlet end extending outwardly from an end of said mat proximate said unridged portion;
- a housing secured to the end of said mat proximate said unridged portion, said inlet end and said outlet end extending into said housing;
- a pump positioned within said housing, said pump being connected to said inlet end and said outlet end of said tube for circulating heated oil through said tube;
- a heating coil positioned in said housing, said heating coil surrounding a finite length of said tube exposed within said housing and adjacent to said outlet end of said tube for heating said oil contained within said tubing;
- insulation surrounding said heating coil;
- a plurality of nubs secured to a bottom surface of said mat for gripping said walkway;
- and
- wherein said mat is constructed of a non-slip rubber.
6 more elements
Dependencies are inferred from the claim text.