Window structure for supporting a sheet of polymeric film

Details Window structure for supporting a sheet of polymeric film Window structure for supporting a sheet of polymeric film

E - Fixed Constructions

06

B

108/32.5

E06B 9/24 (2006.01) E06B 3/67 (2006.01)

Patent

CA 1169705

ABSTRACT There is disclosed a structure for supporting a sheet of polymeric film between a pair of opposed and spaced frame channels, comprising grasping means for separately grasping the film along two of its opposing edges so as to continuously secure the film along the entire length of said opposing edges, retainer means having portions defining a receptacle to receive and support each of the grasping means along its entire length to hold the grasping means in a plane and generally in a linear path in the plane, and spring biasing means joined to the retainer means and adapted for attachment to the channels for tensioning the film between the spaced channels and to compensate for dimen- sional changes occurring between the film and channels to maintain the film flat.

368417

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