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Process of producing tactile dots, tactile dot groups, and tactile identifier marks

  • US 9,630,436 B2
  • Filed: 03/27/2014
  • Issued: 04/25/2017
  • Est. Priority Date: 06/13/2013
  • Status: Active Grant
First Claim
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1. A process of forming a tactile dot group in a plastic card or a passport, the tactile dot group having two or more tactile dots arranged to form a tactilely recognizable character, comprising:

  • embossing a first one of the tactile dots of the tactile dot group in a first column on the plastic card or passport using a punch and a die that has a single punch hole, the single punch hole of the die is defined by a center, a planar lip surrounding the single punch hole, and sloped walls surrounding and adjoining the planar lip;

    after the first tactile dot is formed, embossing a second one of the tactile dots of the tactile dot group in the first column on the plastic card or passport using the punch and the die;

    the first tactile dot and the second tactile dot of the tactile dot group are part of a tactile identifier mark that forms personal information of a holder of the plastic card or passport, and the plastic card or passport is a personalized plastic card or a personalized passport.

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