Air tight shelters

Details Air tight shelters Air tight shelters

1985-10-04

1989-09-19

Fidei, David T.

Special receptacle or package

Evacuated

206335, 206600, 403107, B65D 8120

Patent

active

048673145

ABSTRACT:
In an airtight shelter or container having an impermeable flexible base sheet sealed to an impermeable flexible cover sheet by an inflatable tubular seal within a slotted tubular frame, the slotted tubular frame is formed of lengths of slotted tube secured together by a flexible part annular locking element having a lug or projection resiliently engaging in aligned transverse apertures through mated slotted tubes.

REFERENCES:
patent: 905778 (1908-12-01), Wolff
patent: 1009680 (1911-11-01), Mroczkowski
patent: 1101267 (1914-06-01), Fretz
patent: 1481654 (1924-01-01), Thomas
patent: 3347575 (1967-10-01), Morris
patent: 3656494 (1972-04-01), Cornett et al.
patent: 3929178 (1975-12-01), Hickey
patent: 4140191 (1979-02-01), Hickey
patent: 4181230 (1980-01-01), Acuff
patent: 4261401 (1981-04-01), Hickey
patent: 4284287 (1981-08-01), Esposito

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