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Method and apparatus for coating a thin film substrate

  • US 8,383,201 B2
  • Filed: 08/29/2007
  • Issued: 02/26/2013
  • Est. Priority Date: 08/29/2006
  • Status: Expired due to Fees
First Claim
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1. A method comprising:

  • providing a dissolvable and edible thin film substrate, the dissolvable and edible substrate being affixed to a release liner or non-woven material;

    passing the substrate by at least one slot die attached to a movable carriage in at least a first direction; and

    applying a first coating to a first area of the substrate with the slot die, where the slot die is moved in a direction transverse to the at least first direction; and

    applying a second coating to a second area of the substrate different from the first area, both the first coating and second coating being applied to the substrate in a substantially non-linear fashion.

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