Purses – wallets – and protective covers – Protective cover made of flaccid material – For a racquet
Patent
1977-05-25
1979-08-21
Norton, Donald F.
Purses, wallets, and protective covers
Protective cover made of flaccid material
For a racquet
150 05, 206522, 190 43, A45C 700
Patent
active
041649702
ABSTRACT:
An inflatable bag comprising a peripheral side wall having a pluraity of inflatable cells of flexible sheet material surrounding a storage cavity, and end walls to enclose each opposite end of the cavity, which end walls similarly include an inflatable cell of flexible sheet material. An opening is provided for entrance into the storage cavity, which opening includes means to open and close such as by means of a zipper. Air valves are provided for inflating and deflating the inflatable cells of the peripheral side wall and the inflatable cells of each end wall. When the inflatable cells of the peripheral side wall are inflated with air, the rigidity of the peripheral side wall increases to support the peripheral wall at points around the periphery which are spaced apart from the longitudinal axis of the storage cavity. The cells of the end wall are similarly inflated to provide rigidity and support for each end wall. When so inflated, a large storage cavity is formed and the cells of the side and end walls inflated with air provide insulation for the storage cavity. When deflated, the bag may be folded into a compact unit for storage in a minimum of space.
REFERENCES:
patent: 1318652 (1919-10-01), Farkas
patent: 2437057 (1948-03-01), Waters
patent: 3044515 (1962-07-01), Eades
patent: 3470928 (1969-10-01), Schwartz
patent: 3634970 (1972-01-01), Williams
patent: 3742994 (1973-07-01), Pensak
patent: 3998304 (1976-12-01), Edgerton
patent: 4044867 (1977-08-01), Fisher
Kettelson Ernest
Norton Donald F.
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