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BOLT TENSION GAUGING SYSTEM

  • US 20060225484A1
  • Filed: 04/10/2006
  • Published: 10/12/2006
  • Est. Priority Date: 10/09/2001
  • Status: Abandoned Application
First Claim
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1. A method for comparing the contours of an end surface of a fastener for identifying any different tension states of the fastener, the method comprising the steps of:

  • (a) obtaining a first measurement which is a first contour map of an end surface of the fastener;

    (b) obtaining a second measurement which is a second contour map of the surface of the fastener, said second measurement obtained at a period of time after the first measurement is captured; and

    (c) comparing the first contour map with the second contour map for any differences.

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