Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1996-10-16
1998-12-08
Walberg, Teresa J.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
219463, 219467, 219540, 156210, 156470, 34624, F26B 1310, F27B 920, F27D 1102, B32B 1300
Patent
active
058473629
ABSTRACT:
An paperboard making apparatus includes at least one heating plate having opposing first and second surfaces; at least one electrically powered heater positioned adjacent the first surface of the heating plate; and a take-up for advancing a corrugated paperboard sheet along a path of travel adjacent the second surface of the heating plate so that heat is transferred to the advancing corrugated paperboard sheet. The electrically powered heater preferably includes a base, and an electrical heating element on the base. The base is preferably mounted so that the electrical heating element is positioned in closely spaced relation from the first surface of the heating plate so that the electrical heating element radiates heat to the heating plate. Accordingly, conventional steam heating chests are not used and their associated drawbacks are overcome. Method aspects of the invention are also disclosed.
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Proceedings Providing a Worldwide Forum for Educational and Professional Growth, 1992, pp. 103-108.
Sissons Anthony J.
Thomas David Alan
Interfic, Inc.
Pelham J.
Walberg Teresa J.
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