Method of making retroreflective sheeting and articles

  • US 7,458,694 B2
  • Filed: 10/10/2007
  • Issued: 12/02/2008
  • Est. Priority Date: 03/06/2003
  • Status: Active Grant
First Claim
Patent Images

1. A method of making retroreflective sheeting comprising:

  • providing a tool comprising a PG cube corner microstructured surface with at least one channel;

    advancing the tool or a dispensing device in a direction;

    casting a moldable resin onto the tool surface such that the channel is substantially parallel to the direction of filling of the channel;

    solidifying the resin forming a retroreflective sheeting having a surface comprising cube corner elements; and

    removing the sheet from the tool.

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