Device for sealing a wing of a window, a door or the like in rel

Details Device for sealing a wing of a window, a door or the like in rel Device for sealing a wing of a window, a door or the like in rel

1980-09-10

1983-02-08

Kannan, Philip C.

Movable or removable closures

Closure seal; e.g., striker gasket or weatherstrip

Inflatable or fluid pressure responsive

92 31, E06B 716

Patent

active

043720846

ABSTRACT:
Doors and windows may be sealed in a particularly efficient manner by arranging on their periphery a flexible sealing tube which is adapted to be expanded by means of a pump which serves to pressurize a liquid with which the tube is filled. The invention is directed to a novel pump which is adapted, independently of the existing temperature, to adjust the desired liquid pressure in the sealing tube. The pump of the invention, while being of compact design, is also adapted for use with windows or doors covering very large openings. This is made possible by the use of an independent supply reservoir for the pressurized liquid, the reservoir being connected to said pump and being also connected to said sealing tube by means of a first valve which is adapted to be operated by a closing device. Between the pump and the sealing tube there is provided a second valve which is adapted to be opened towards the sealing tube.

REFERENCES:
patent: 608361 (1898-08-01), Craig
patent: 2953166 (1960-09-01), Carlson, Jr.
patent: 3302333 (1967-02-01), Ganzinotti et al.
patent: 3507974 (1970-04-01), Clark et al.
patent: 3745707 (1973-07-01), Herr
patent: 3747275 (1973-07-01), May et al.
patent: 3857199 (1974-12-01), Frach et al.

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