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Spacer for double-pane and multiple-pane windows and method and apparatus for making same

  • US 4,261,145 A
  • Filed: 10/13/1978
  • Issued: 04/14/1981
  • Est. Priority Date: 10/04/1977
  • Status: Expired due to Term
First Claim
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1. A double-pane window assembly comprising a peripherally closed frame having parallel flat continuous lateral flanks adapted to have the panes rest flat thereagainst and constituted of an extrusion-pressed profile tube having arcuately bent corners and at least one butt joint between tube ends located along a straight side of the frame, a pair of rectangular panes resting flat against the respective flanks and defining a space between them, the tube being filled with a drying agent and having openings adapted to communicate between the interior of the tube and said space defined between the panes and surrounded by the frame, and a sealing composition flush with said frame bending said panes to said spacer.

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