Method and device for heating foils and arrangement for measuring foil temperatures
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United States of America Patent
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Apr 16, 2002
Grant Date -
N/A
app pub date -
Jul 8, 1999
filing date -
Dec 11, 1996
priority date (Note) -
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Abstract
The invention concerns an improved method of heating or tempering foils and an associated device including an arrangement for measuring the temperature, based on the following features: a separate arrangement is provided for heating the foil edges; the foil edge heating arrangement comprises an infrared radiator device (21) and a hot air heating device (29); and the infrared radiator device (21) and the hot air heating device (29) can be controlled or set at different heating output values.
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