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Device for assessing processing stresses

  • US 4,829,812 A
  • Filed: 10/26/1987
  • Issued: 05/16/1989
  • Est. Priority Date: 10/27/1986
  • Status: Expired due to Term
First Claim
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1. A device for assessing the levels of damaging or potentially damaging stresses experienced by a product during mechanical processing, said product having a surface of substantially surface of revolution shape comprising:

  • a package;

    said package having a core which is toroidal in shape;

    said core being substantially covered by a layer of piezo-electric plastic material;

    said piezo-electric plastic material being connected to electronic processing equipment;

    said package having physical characteristics similar to those of said product.

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