Patents Assigned to St. Gobain Bayform America Inc.
  • Patent number: 6279644
    Abstract: A screen bar segment for use in forming a screen and frame assembly in which screen can be adhesively secured to the frame. The screen bar segment includes a tensioning step along one side thereof and adhesive applied along the base of the tensioning step, in an amount to provide a layer having a thickness between about 0.0005 to about 0.250 inches. The adhesive is selected from the group consisting of hot melt adhesives and thermoplastic resins having a heat resistance temperature of not less than about 35° C. and a viscosity of at most about 5000 poise at about 200° C. The screen bar segment can be used in a screen and frame assembly in which screen is adhesively secured to a screen frame. Also disclosed are related methods of making a screen bar and adhesive assembly, adhesively securing screen to screen bar segments of a screen frame and making a screen and frame assembly in which screen is adhesively secured to a screen frame.
    Type: Grant
    Filed: December 24, 1997
    Date of Patent: August 28, 2001
    Assignee: St. Gobain Bayform America Inc.
    Inventor: Douglas H. Wylie