Static structures (e.g. – buildings) – Shaped or strengthened by fluid pressure – Form for hardenable material
Patent
1994-05-26
1996-06-04
Safavi, Michael
Static structures (e.g., buildings)
Shaped or strengthened by fluid pressure
Form for hardenable material
52199, 135904, 249 65, E04G 1104, B28B 732
Patent
active
055221815
ABSTRACT:
Apparatus for fabricating igloo and like structures comprising an inflatable form of a flexible air-impervious plastic having a base component, a roof component, and cylindrically shaped side walls with associated valve to inflate and deflate the form. The form is utilized with a chimney to create an igloo structure. During transport the form can be stored in a tubular canister and, along with the chimney, carried within a backpack.
REFERENCES:
patent: 1219905 (1917-03-01), Barringer
patent: 2324554 (1943-07-01), Billner
patent: 3462521 (1969-08-01), Bini
patent: 4622887 (1986-11-01), Peterson
patent: 5062557 (1991-11-01), Mahvi et al.
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