Inductive edge detector for paper machinery

Paper making and fiber liberation – Apparatus – Measuring – testing – inspecting – indicating or illuminating


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162252, 162273, 2424133, 2424139, 226 45, 226 23, 7351431, 369 52, D21F 706, D21F 708




The invention is directed to a continuous belt edge detector system for use in a paper making machine having a continuous belt guide device. The edge detector system comprises a continuous belt having an edge dope with metallic particles therein and an inductive sensor connected to the guide device and adjacent the edge dope. The inductive sensor sends a signal to the guide device indicative of a location of the continuous belt. The guide device moves the continuous belt, e.g., transversely relative to the running direction of the belt within the machine, dependent on the inductive sensor signal.

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