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Insulating window panel

  • US 9,322,209 B1
  • Filed: 04/17/2015
  • Issued: 04/26/2016
  • Est. Priority Date: 12/01/2014
  • Status: Expired due to Fees
First Claim
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1. An insulating window panel for simple assembly and removable installation by a user into a window recess comprising perpendicular side walls surrounding a window built into a wall to form a window opening, the insulating window panel comprising:

  • a plurality of longitudinally extending frame pieces configured with joints for interconnecting the frame pieces as a frame around a window pane of an assembled window panel, wherein each one of the plurality of frame pieces is integral with a fixed longitudinally extending keder channel with a keder slot that opens out to an inside peripheral glazing side of each frame piece; and

    the window pane comprising a flexible glazing sheet provided with a plurality of edges corresponding to the plurality of frame pieces assembled therearound, wherein a keder is formed on each one of the plurality of glazing sheet edges, and a corner cut spaces apart intersecting keder edges to enable window panel assembly by sliding all of the keder edges into keder channels of corresponding frame pieces.

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