Electric heating – Inductive heating – With heat exchange
Reexamination Certificate
2003-12-09
2008-10-07
Van, Quang T (Department: 3742)
Electric heating
Inductive heating
With heat exchange
C219S629000, C219S635000
Reexamination Certificate
active
07432480
ABSTRACT:
In an induction heater, preheated, pressurized air is further heated in the heating cabinet and also drawn into the coil tube via a suction fan. The simultaneous pulling and pushing of the twice-heated air through the tube provides superior air flow to pick up more moisture from the can ends being dried. The tube ends rest on upwardly concave collars and are held in place by gravity, with a single screw acting as a stop above to prevent upward movement. Removal requires only removing the single screw at each end then lifting the tube straight up out of the cabinet, which is facilitated by providing a hinged cover on the cabinet.
REFERENCES:
patent: 3912846 (1975-10-01), Yamagishi et al.
patent: 5483042 (1996-01-01), Sprenger et al.
patent: 5529703 (1996-06-01), Sprenger et al.
patent: 5821504 (1998-10-01), Sprenger et al.
patent: 5970083 (1999-10-01), Orcel et al.
“Mountaingate ICD Series Induction Dryers”, Customer Product Manual Part 1018438A, Issued Feb. 2002, Nordson Corporation, 33 pgs.
“Nordson EcoDry Series Induction Dryers”, Customer Product Manual Part 1045354A, Issued Oct. 2003, Nordson Corporation, 34 pgs.
Nordson Corporation drawing, MG 3555, Side View ICD-4S Induction Dryer, Nov. 28, 2007, 1 page.
Nordson Corporation drawing, 381093, Sensor, Thermo Assembly, Mar. 31, 2000, 1 page.
Baxter Raymond J.
Podolny Howard
Wilson Timothy E.
Calfee Halter & Griswold LLP
Nordson Corporation
Van Quang T
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