Electrically insulated adhesive-coated heating element
First Claim
1. An improved plastic heating element of the type comprising an elongate web of flexible, electrically conductive plastic, having two electrodes embedded therein extending longitudinally adjacent each side edge, and a plurality of transverse slots therein, the element having a top surface, a bottom surface, edge surfaces, and slot edge surfaces, the improvement comprising an electrically insulating adhesive coating all said surfaces of the element, including the slot edge surfaces.
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Accused Products
Abstract
An improved plastic heating element of the type including comprising an elongate web of flexible, electrically conductive plastic, having two electrodes embedded therein extending longitudinally adjacent each side edge. An electrically insulating adhesive layer covers the surfaces of the heating element.
86 Citations
8 Claims
- 1. An improved plastic heating element of the type comprising an elongate web of flexible, electrically conductive plastic, having two electrodes embedded therein extending longitudinally adjacent each side edge, and a plurality of transverse slots therein, the element having a top surface, a bottom surface, edge surfaces, and slot edge surfaces, the improvement comprising an electrically insulating adhesive coating all said surfaces of the element, including the slot edge surfaces.
- 5. A flexible plastic heating element comprising an elongate flexible plastic web, two electrodes embedded in the web extending longitudinally adjacent each side edge, a plurality of transverse slots therein, and an electrically insulating adhesive coating, said element having a top surface, a bottom surface, edge surfaces, and slot edge surfaces, said electrically insulating adhesive coating covering all said surfaces of the element, including the slot edge surfaces.
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8. A method of installing a flexible plastic heating element between a substrate and a covering comprising the steps of:
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providing an elongate flexible plastic heating element web comprising a plurality of transverse slots therein, top, bottom, edge, and slot edge surfaces, and an electrically insulating pressure sensitive adhesive on all the element surfaces, including the slot edge surfaces, and removable liners on the top and bottom surfaces; removing one of the liners and applying the exposed surface of the heating element against the substrate to adhesively secure it to the substrate; and removing the other of the liners and applying a covering over the element.
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Specification