Resistance heating device for flat objects such as mirrors
First Claim
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1. A resistance heating device for flat objects comprising:
- a flat, electrically insulating substrate having a first main surface and a second main surface, said flat electrically insulating substrate forming a first electrically insulating layer;
a heating layer arranged on the first main surface;
a first double-sided adhesive tape layer having a first adhesive layer attached to said heating layer, a second adhesive layer, and a first intermediate layer made of an electrically insulating material between the first and second adhesive layers, said first intermediate layer forming a second electrically insulating layer;
a first insulation layer attached to the second adhesive layer of the first double-sided adhesive tape, said first insulation layer forming a third electrically insulating layer;
a second double-sided adhesive tape layer having a third adhesive layer attached to the first insulation layer, a fourth adhesive layer, and a second intermediate layer made of electrically insulating material between the third and fourth adhesive layers, said second intermediate layer forming a fourth electrically insulating layer;
a third double-sided adhesive tape layer having a fifth adhesive layer attached to the second main surface of the electrically insulating substrate, a sixth adhesive layer, and a third intermediate layer made of electrically insulating material between the fifth and sixth adhesive layers, said third intermediate layer forming a fifth electrically insulating layer; and
a second insulation layer attached to the sixth adhesive layer of the third double-sided adhesive tape, said second insulation layer forming a sixth electrically insulating layer.
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Abstract
A mirror heater which is suitable for bathrooms and humid spaces includes electrically insulating layers which are partially provided by double-sided adhesive tapes. The double-sided adhesive tapes fix the various layers to one another and provide an insulative layer.
52 Citations
10 Claims
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1. A resistance heating device for flat objects comprising:
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a flat, electrically insulating substrate having a first main surface and a second main surface, said flat electrically insulating substrate forming a first electrically insulating layer; a heating layer arranged on the first main surface; a first double-sided adhesive tape layer having a first adhesive layer attached to said heating layer, a second adhesive layer, and a first intermediate layer made of an electrically insulating material between the first and second adhesive layers, said first intermediate layer forming a second electrically insulating layer; a first insulation layer attached to the second adhesive layer of the first double-sided adhesive tape, said first insulation layer forming a third electrically insulating layer; a second double-sided adhesive tape layer having a third adhesive layer attached to the first insulation layer, a fourth adhesive layer, and a second intermediate layer made of electrically insulating material between the third and fourth adhesive layers, said second intermediate layer forming a fourth electrically insulating layer; a third double-sided adhesive tape layer having a fifth adhesive layer attached to the second main surface of the electrically insulating substrate, a sixth adhesive layer, and a third intermediate layer made of electrically insulating material between the fifth and sixth adhesive layers, said third intermediate layer forming a fifth electrically insulating layer; and a second insulation layer attached to the sixth adhesive layer of the third double-sided adhesive tape, said second insulation layer forming a sixth electrically insulating layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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