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Method for verifying the construction of adhesively-attached substrates

  • US 10,228,467 B2
  • Filed: 04/04/2017
  • Issued: 03/12/2019
  • Est. Priority Date: 10/14/2013
  • Status: Active Grant
First Claim
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1. A method for inspecting hot melt applied to a substrate, said method comprising:

  • placing said substrate with said hot melt within the detection range of an imaging device such that signals received therefrom contain at least one thermal image of said hot melt and a geometric representation of said substrate;

    processing signals from said imaging device such that a composite representation of said substrate with said hot melt is created,determining if said composite representation satisfies predetermined deposition criteria for said substrate;

    using a timing mechanism to determine if a length of time between deposition of said hot melt on said substrate and arrival of said substrate has exceeded a predetermined time delay associated with said deposition; and

    providing notification that said substrate with said hot melt should be accepted or rejected based on at least one of said using and said determining.

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