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Apparatus and method for printing on articles having a non-planar surface

  • US 9,302,506 B2
  • Filed: 06/10/2013
  • Issued: 04/05/2016
  • Est. Priority Date: 06/24/2008
  • Status: Active Grant
First Claim
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1. A method for printing on an article having a non-planar surface, the method comprising:

  • obtaining coordinates or a geometry for a non-planar surface of an article;

    determining a tangent orientation for a print head using a sabre angle based upon a specified or desired print density (dpi) and calculations of a tangent/slope for a range of points on the non-planar surface that are within an intended print region or area;

    measuring or determining offset distances between successive points along or about the sabre line;

    using the tangent orientation and positioning the print head relative to the non-planar surface of the article; and

    printing on the intended print region or area of said article.

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