Electric heating – Inductive heating – With heat exchange
Reexamination Certificate
2008-07-15
2008-07-15
Robinson, Daniel (Department: 3742)
Electric heating
Inductive heating
With heat exchange
C219S622000
Reexamination Certificate
active
11093767
ABSTRACT:
An improved induction heating apparatus is provided for attaching membrane roofs. A top membrane layer is attached to attachment disks that hold sheets of thermal insulation to the top of roof substrates. The heating apparatus emits a magnetic field that raises the temperature of the disks and a heat-activated adhesive on top of the disks which, after cooling, becomes adhered to the bottom surface of the top membrane layer. The disks in turn are attached via fasteners to the substrate portion of the roof structure. The apparatus includes a set of bottom guides that allow a user to find the attachment disks mechanically, without actually seeing those disks beneath the top membrane layer. A fine locator circuit is provided, using a magnetic field, and the apparatus allows a user to stand upright while operating the apparatus.
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Barber John P.
Challita Antonios
Cravens, II Robert C.
Stanton Susan A.
Gribbell Frederick H.
Nexicor LLC
Robinson Daniel
LandOfFree
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