Thermal insulation device
Patent
·
OSTI ID:5582462
A snap-on insulation barrier is disclosed for window frames including an elongated base member having means for securing the base member to the frame, the base member being generally of strip configuration and having a pair of opposed rails having portions extending upwardly and outwardly from the base member, the base member having side members and the side members extending beyond the outwardly extending portions of the opposed rails a substantial distance and forming with the outwardly extending portions of the rails a pair of opposed U-slots. Also provided is a second strip having a C-shaped cross section with inturned ends for engaging in the U-slots and having inside and outside surfaces. On the outside surface of the second strip is an upstanding bead running the length thereof. Also provided is a third strip having inside and outside surfaces and having an expandable slot formed by flexible opposed rails running the length of the inside surface conforming to and co-operating with the bead for snap fit over the bead. The outside surface of the third strip is substantially flat and includes a pressure sensitive material for securing a plastic sheet thereto. The strips are conformable to the frame.
- Assignee:
- EDB-84-010089
- Patent Number(s):
- US 4399640
- OSTI ID:
- 5582462
- Country of Publication:
- United States
- Language:
- English
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