Inflatable box

Details Inflatable box Inflatable box

1977-04-11

1978-05-30

Norton, Donald F.

Purses, wallets, and protective covers

Protective cover made of flaccid material

For a racquet

206522, A45C 700

Patent

active

040918521

ABSTRACT:
An inflatable box of resilient sheet material such as rubber or vinyl, comprising a plurality of inflatable panels integrally joined along fold lines to provide a bottom wall, side walls and a top wall which may also function as an openable cover. The box may be made water-tight by providing non-inflatable folds or webs of waterproof material integrally joining each side panel to the side panels adjacent thereto along their respective adjoining edges. An air valve is provided in one of the inflatable panels to introduce air under pressure in that panel, and into the other inflatable panels through connecting passageways. The panels are inflated when they are lying flat. They are then folded along fold lines to form the box, and the panels are held in such position by side wall fasteners. A fastener may also be provided on the top cover panel to hold it in closed position. The air filled inflatable panels provide good insulation against heat transfer, so the box is particularly useful as an ice chest and for storing or transporting items packed in ice. When not being used as a box or container, the panels may be deflated whereupon the box may be folded into a compact unit for storage.

REFERENCES:
patent: 1482727 (1924-02-01), Borchers
patent: 2144318 (1939-01-01), Kryder
patent: 3207357 (1965-09-01), Schmitt
patent: 3262283 (1966-07-01), Taylor
patent: 3552466 (1971-01-01), Fairchilds
patent: 3619825 (1971-11-01), Taub
patent: 3904106 (1975-09-01), Elder

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