Drying and gas or vapor contact with solids – Apparatus – Houses – kilns – and containers
Patent
1997-01-14
1999-10-12
Kilner, Christopher B.
Drying and gas or vapor contact with solids
Apparatus
Houses, kilns, and containers
34225, 34226, 126 21A, A21B 100, F24C 1332
Patent
active
059640448
ABSTRACT:
A conveyor oven is capable of heating precisely and uniformly an article to be baked as the article is conveyed through the oven at a designated speed. Precise and uniform heating is promoted by 1) a combination supply/return duct assembly positioned above the conveyor and configured to promote uniform airflow towards the upper surface of the conveyor, and 2) discharge orifices configured to further promote uniform airflow from the supply ducts without generating whistling or other unpleasant noises. The arrangement of this supply/return duct assembly, incorporating both supply and return ducts in the same plane, also promotes a low profile oven--an important consideration in applications in which minimizing space is a priority. The profile of the oven is reduced further by placing the heating element beneath the conveyor and by configuring supply and return passages to circulate air between the heat source and the supply/return duct assembly using minimal space. This air recirculation, preferably enhanced by seals at appropriate locations within the oven, also significantly increases the oven's thermal efficiency and its ability to distribute heat uniformly. The oven is especially well suited for use as a pre-bake oven in a print plate imaging and processing system.
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Brochure entitled: The Plate Converter, Wisconsin Oven.
Brochure entitled: Print Plate Ovens, Conveyor Type SPC-HTS/109 Series, Wisconsin Oven (Standard Oven Division).
Lauersdorf Duane H.
Strand David A.
Kilner Christopher B.
Wisconsin Oven Corporation
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