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Lamination product and method employing temporary transfer film

  • US 4,545,838 A
  • Filed: 02/07/1983
  • Issued: 10/08/1985
  • Est. Priority Date: 02/07/1983
  • Status: Expired due to Term
First Claim
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1. The method of forming a transparent sealed protective cover on an identification card or other document comprising the following steps:

  • A. applying a thin coating of a release agent to one surface of a transfer film of a very hard, tough thermoset resin;

    B. extruding a layer of a moderately hard and tough embossable unoriented thermoplastic polyester resin onto the coated surface of the transfer film, over the release coating, to form a laminating film product having a cover film of the thermoplastic polyester resin releasably bonded in surface-to-surface relation to the transfer film;

    C. aligning the laminating product with a document, with the cover film facing the document;

    D. applying heat and pressure to the aligned laminating product and document, in a laminating press, to bond the laminating product to the document; and

    E. peeling the transfer film away from the laminating product to expose the cover film.

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