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Control system for an elastomer extrusion and applicator apparatus

  • US 4,240,863 A
  • Filed: 04/12/1979
  • Issued: 12/23/1980
  • Est. Priority Date: 04/12/1979
  • Status: Expired due to Term
First Claim
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1. In a control system for an elastomer extrusion and application apparatus including:

  • means for receiving a continuous, moving extruded elastomeric ribbon and for providing a signal representing the rate of ribbon receipt;

    a first rate dividing means receiving said ribbon receipt signal;

    ribbon moving means receiving said ribbon from said receiving means for advancing the ribbon along a variable path of fixed length;

    means connected to said ribbon moving means for providing a signal representing the rate of ribbon movement along said path;

    a first servo system including said first rate dividing means for receiving said ribbon movement signal to operate said ribbon moving means so as to cause the ribbon to be moved in said ribbon path at a first rate higher than said rate of ribbon receipt at a fixed proportion determined by said first rate dividing means;

    means for moving an article to have the ribbon applied thereto in a predetermined article path at the end of said ribbon path; and

    an applicator at the end of said ribbon path for receiving the ribbon from the ribbon moving means and for applying the ribbon to an article moving in said article path and including a rotary applicator roller;

    the improvement comprising;

    a resolver connected to said applicator roller for providing a signal representing the rate of rotation of said roller and thus the rate of ribbon application;

    a second rate dividing means receiving said ribbon receipt signal;

    a second servo system including said second rate dividing means for receiving said rate of rotation signal to operate said article moving means so as to cause the article to be moved in said article path to draw ribbon off of said applicator roller at a second rate equal to or greater than said first rate at a fixed proportion determined by said second rate dividing means.

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