Sealing strip for damper system

Details Sealing strip for damper system Sealing strip for damper system

1987-05-01

1988-11-01

Kendell, Lorraine T.

Stock material or miscellaneous articles

Structurally defined web or sheet

Fold at edge

49490, 49491, 428358, B32B 304, E06B 716

Patent

active

047819618

ABSTRACT:
A sealing strip (10) for a vertically disposed damper (12) for the passage of air from a source to an output having a plurality of pivotal generally planar vanes (15) with a groove (27) at one periphery of the width thereof and a projecting flange (25) at the other periphery of the width thereof, each flange interfitting with the grooves of an adjacent vane when the damper is closed, the sealing strip having an attachment portion (30) of generally U-shaped configuration for engaging the flange of a vane, the generally U-shaped configuration having a pair of spaced legs (35, 36), and a sealing lip (46) projecting from one of the legs for contacting the planar engaging portion (48) of an adjacent vane during closure of the damper.

REFERENCES:
patent: 3665646 (1972-05-01), Niemanns
patent: 4007536 (1977-02-01), Soderberg
patent: 4472469 (1984-09-01), Thies
patent: 4495234 (1985-01-01), Tominaga et al.

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