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Process for manufacturing laminated glass window intended for automobiles and capable of reflecting infrared rays

  • US 5,980,666 A
  • Filed: 02/01/1996
  • Issued: 11/09/1999
  • Est. Priority Date: 02/03/1995
  • Status: Expired due to Term
First Claim
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1. A process for manufacturing a laminated glass window equipped with sealing at one or more edges, wherein the laminated glass window comprises at least two glass sheets, a laminated plastic placed between said at least two glass sheets, the process comprising:

  • a) forming a plate from a laminated plastic comprising at least one principal carrier sheet, having, on at least one side, at least one layer that reflects infrared radiation, and outer layers comprising one or more thermoplastic polymers, said plate having a geometrical shape substantially the same as the glass sheets, but wherein said plate is shorter, by an offset distance, on each of one or more edges to be sealed;

    b) preparing a preliminary laminated sheet by positioning said plate in relation to the glass sheets while respecting said offset distance of each of said one or more edges to be sealed, removing air from between the layers formed by the glass sheets and said plate and adhering said layers to one another;

    c) filling the interstice of the one or more edges to be sealed by injecting a melted material comprising one or more polymers compatible with said one or more thermoplastic polymers of the outer layers of the laminated plastic; and

    d) fusing the one or more polymers injected into the interstice of the edges with the one or more thermoplastic polymers of the outer layers of the laminated plastic;

    wherein the fusing of said one or more polymers injected into the interstice of the edges with the one or more thermoplastic polymers of the outer layers of the laminated plastic effects sealing of the edges of the laminated glass window to exhibit no visible separation line relative to the thermoplastic layers.

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