Patents Represented by Attorney Robert B. Hughes & Schacht, P. Hughes

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  • Apparatus and method of damage detection for magnetically permeable members
    Patent number: 5847563
    Abstract: An apparatus to detect anomalies in a member, such as a conveyor belt, having reinforcing cables therein made of a magnetically permeable material. There is coil means arranged to create a magnetic field as two longitudinally spaced first and second field components at longitudinally spaced locations. There are Hall effect sensors arranged to respond to modifications in each of the first and second field components.
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: December 8, 1998
    Assignee: Canada Conveyor Belt Co. Ltd.
    Inventor: Dieter W. Blum