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Plastic foil for hot leaf stamping and method for forming

  • US 5,674,580 A
  • Filed: 01/30/1995
  • Issued: 10/07/1997
  • Est. Priority Date: 04/04/1994
  • Status: Expired due to Fees
First Claim
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1. An article of manufacture comprising:

  • (a) a plastic film substrate; and

    (b) a composite sheet engaged to said substrate and releasable therefrom upon application of heat and pressure, said composite sheet including;

    (i) a layer of metal having a thickness in the range of 20 millimicrons to 100 millimicrons facing said plastic substrate,(ii) a lacquer coating having a thickness in the range of 0.5 micron to 3 microns engaged to said layer of metal, said lacquer coating being a member selected from the group consisting of acrylic, styrene-acrylonitrile polymer, polyester and nitrocellulose, and(iii) a heat activatible adhesive having a thickness in the range of 0.75 micron to 4 microns;

    said composite sheet being adherable to a second substrate upon application of heat and pressure.

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