Door sealing system

Details Door sealing system Door sealing system

1979-09-26

1982-01-19

Kannan, Philip C.

Movable or removable closures

Threshold

With diverse seal

49471, 49495, E06B 170

Patent

active

043109918

ABSTRACT:
A sealing system for an entry door incorporates a threshold member having a longitudinally extending open-ended channel in its upper surface. The sweep utilizes a double vertical seal design which encloses the channel when the door is shut. The first seal contacts exterior portions of the channel whereas the second seal contacts interior portions of the channel. The channel is vented through the threshold so that the pressure on both sides of the first seal is equalized to minimize water seepage, while the second seal completely blocks the outside air from the interior of the building. The threshold is preferably of a two piece construction which may be snapped together to thereby minimize manufacturing and installation costs.

REFERENCES:
patent: 2010609 (1935-08-01), Shogren
patent: 2129381 (1938-09-01), Oftedal et al.
patent: 2592861 (1952-04-01), Close
patent: 2849763 (1958-09-01), Leigh
patent: 3346994 (1967-10-01), Kesler
patent: 3448543 (1969-06-01), Multer
patent: 3851420 (1974-12-01), Tibbetts
patent: 4006562 (1977-02-01), Belanger
patent: 4055917 (1977-11-01), Coller
patent: 4185417 (1980-01-01), McKann

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