Sealing device for the bottom of a door

Details Sealing device for the bottom of a door Sealing device for the bottom of a door

1984-01-05

1985-05-28

Kannan, Philip C.

Movable or removable closures

Closure movement actuated retractable sealing, guiding or...

Strip movement in plane of closure

49306, E06B 720

Patent

active

045191654

ABSTRACT:
A sealing device for the bottom of a door comprises a first inverted U-shaped sectional bar (10) which extends along the bottom of a door (1), is firmly secured thereto and contains a control mechanism. A vertically movable second inverted U-shaped sectional bar (14,15) carrying a sealing strip (17) of profiled rubber is accommodated in a lower rectangular chamber formed in the first sectional bar by a horizontal partition wall (11) which extends transversely through the first sectional bar. The web (19) of an inverted substantially U-shaped sealing bar of elastic plastic material is so attached to the upper end portion of the second sectional bar by an adhesive that the depending legs (18) of this sealing bar of elastic plastic material diverge downwardly and engage due to their inherent elasticity with their free longitudinal edges the legs (12) of the first sectional bar so that the sealing effect produced by the sealing strip of profiled rubber is considerably improved since the downwardly diverging legs of the sealing bar of elastic plastic material prevent draft and smoke from passing through the range of tolerance between the first and second sectional bars when the door is closed.

REFERENCES:
patent: 1262931 (1918-04-01), Dupen
patent: 2066188 (1936-12-01), Reese
patent: 3199155 (1965-08-01), Coleman
patent: 3703788 (1972-11-01), Rivers
patent: 4283884 (1981-08-01), Dumenil et al.

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