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Method and apparatus for making a glass laminate

  • US 10,294,139 B2
  • Filed: 08/29/2018
  • Issued: 05/21/2019
  • Est. Priority Date: 10/06/2008
  • Status: Expired due to Fees
First Claim
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1. A method for strengthening a glass laminate, the glass laminate having a glass core sheet and at least one glass clad layer on at least one of the opposite sides of the glass core sheet, comprising:

  • heating the glass laminate, the glass laminate having the glass core sheet has a strain point having a difference of at least 50°

    C. compared to the strain point of the at least one glass clad layer;

    applying biaxial force to the glass core sheet while the glass clad layers are in a state of stress relaxation;

    cooling the glass laminate; and

    releasing the biaxial force on the glass core sheet.

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