초록 ▼

A method is provided for heating the surface of a material such as a floor, wall, roof, or countertop. The method comprises providing a laminated heater element, disposing the heater element at a predetermined depth in the material and energizing the element at prescribed intervals and temperatures

A method is provided for heating the surface of a material such as a floor, wall, roof, or countertop. The method comprises providing a laminated heater element, disposing the heater element at a predetermined depth in the material and energizing the element at prescribed intervals and temperatures which are effective to heat the surface of the material.

대표청구항 ▼

[ What is claimed is:] [1.] A method for heating a countertop surface, comprising;providing a pre-formed panel heater element to the countertop surface, wherein said pre-formed panel heater element consists of an inner layer composed of a fabric of electrically conductive fibers encapsulated between

[ What is claimed is:] [1.] A method for heating a countertop surface, comprising;providing a pre-formed panel heater element to the countertop surface, wherein said pre-formed panel heater element consists of an inner layer composed of a fabric of electrically conductive fibers encapsulated between two fiberglass/resin layers; two outer fiberglass/resin layers disposed on opposing surfaces of said inner layer and encapsulating said inner layer; and electrical leads connected to said conductive fibers and adapted to receive power from a power source;disposing the pre-formed panel heater element at a predetermined depth in the countertop surface; andenergizing the conductive fibers of the pre-formed panel heater element at prescribed intervals and temperatures which are effective to distribute heat evenly on the countertop surface.