Static structures (e.g. – buildings) – Auxiliary imperforate panel-like shield attached to main...
Patent
1980-09-25
1983-04-19
Perham, Alfred C.
Static structures (e.g., buildings)
Auxiliary imperforate panel-like shield attached to main...
52222, 160395, E04B 326
Patent
active
043801404
ABSTRACT:
A thermal barrier is mounted in a window opening in inwardly spaced relationship with respect to the existing window in the opening. The thermal barrier is comprised of individual channel members mounted on the header, sill and upright side members of the window frame so as to provide a peripheral opening about the window facing inwardly of the window opening. A sheet of rigid thermoplastic film material has horizontal and vertical edges received in a corresponding portion of the opening provided by the channel members, and the edges of the sheet are frictionally interengaged with corresponding side walls of the channel members by U-shaped retaining members removably received in each of the channel members with the legs of the U extending toward the bottom wall of the channel. The upper edge of the sheet is provided with a flange integral with the sheet along a fold line therebetween, and one of the legs of the retaining member received in the channel member mounted on the header component of the window frame engages the sheet along the fold line to vertically hold the sheet in the corresponding channel member.
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Perham Alfred C.
Raduazo Henry E.
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