Electric heating – Heating devices – Combined with diverse-type art device
Reexamination Certificate
2007-02-20
2007-02-20
Evans, Robin (Department: 3742)
Electric heating
Heating devices
Combined with diverse-type art device
C219S528000, C219S497000, C219S542000, C219S549000
Reexamination Certificate
active
11294041
ABSTRACT:
An electric blanket or pad arrangement has a flexible pad (10) upon which a heating element (12) is mounted, the heating element (12) being connected, by a two core cable (16), to a control circuit (18), the heating element (12) including a dual element region (20) having a first, inner conductor (26), a second outer conductor (30), an inner insulating material layer (28) provided between the first and second conductors (26, 30), and an outer insulating material layer (32) encasing the second conductor (30), the inner insulating material layer (28) having a lower melting point than the outer insulating material layer (30), and a connecting element (22) having at least a third conductor (36) providing a series electrical connection between the first and second conductors (26, 30) at one end (12a) of the dual element region (20) of the heating element (12).
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Evans Robin
Fastovsky Leonid M.
Imetec SpA
Skinner and Associates
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