G - Physics – 05 – D
Patent
G - Physics
05
D
341/15.1
G05D 23/19 (2006.01) B41F 23/04 (2006.01) B41F 33/00 (2006.01) F26B 3/30 (2006.01) F26B 13/10 (2006.01)
Patent
CA 1159927
APPARATUS FOR HEATING A SHEET- OR WEB-LIKE MATERIAL. Abstract of the disclosure. An apparatus for heating a sheet- or web-like material during its transport through a processing machine, comprises at least one infrared heating panel facing the path of transport of the material. The apparatus is provided with a controlling circuit for controlling the heat emission of the heating panel in response to a control signal generated by a control means. The heating panel is switched off if the transport speed of the material becomes smaller than a minimum speed by means of a monitoring circuit which can switch off the controlling circuit, said monitoring circuit being coupled to a detector means reacting to the transport speed. The monitoring circuit may further comprise at least one zone detector means reacting to the presence of the material within a given zone extending transversely to the transport direction of the material on either side of the desired path of transport, wherein the monitoring circuit switchess off the controlling circuit if the material leaves said zone.
374201
de Vries Jacob
Marks & Clerk
LandOfFree
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