Jamb seal

Details Jamb seal Jamb seal

E - Fixed Constructions

06

B

98/25, 108/52

E06B 7/086 (2006.01) E06B 7/084 (2006.01)

Patent

CA 1044522

ABSTRACT OF THE DISCLOSURE: A louver assembly has a plurality of louver blades and pivot shafts pivotally supported for adjustable movement between open and closed position in a frame which includes two opposed vertical side frame members. A jamb seal between each side frame member and the adjacent ends of the louver blades prevents air flow around the ends of the blades when the blades are closed. Each jamb seal includes a panel installed between a side frame member and the transverse louver blade ends facing that side frame member. Each panel includes a rigid but flexible, substantially flat, face portion adapted for flush contact with the blade ends when the blades are closed, and two outer and two inner elongated rigid supporting ribs integral with respect to the fact por- tion and extending away from that side of the face portion opposite the blades. The edges of these ribs away from the face portion are provided from top to bottom with integral elastic sealing cushions. Each outer rib has a thin resilient air seal flipper being in sealing relation to its side frame member. The louver blades tend to force each panel towards its associated side frame member, placing the panels and the cushions under compression. This completely seals the space between the blade ends and their associated side frame members when the blades are closed. Transverse slots are provided halfway through the panels to receive the louver pivot shafts as the panels are installed by sliding them between the blade ends and the side frame members.

274312

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