Glass balloons and method for making same

Details Glass balloons and method for making same Glass balloons and method for making same

1976-03-15

1977-05-31

Lindsay, Jr., Robert L.

Aeronautics and astronautics

Aircraft, lighter-than-air

Balloons

46 87, 65 21, 65 34, 65 82, 65 84, 206 6, 425804, B64B 162, C03B 900, A63H 2710

Patent

active

040264998

ABSTRACT:
A glass balloon that floats in air. An assembly of glass balloons that form a slab of foam that floats in air. A process for making glass balloons employing: two nested furnaces, pre-heated helium, a moving furnace, and a refrigerated seal-off chamber.

REFERENCES:
patent: 2165610 (1939-07-01), Boyle
patent: 2202337 (1940-05-01), Cohn
patent: 2227757 (1941-01-01), Loepsinger
patent: 2649993 (1953-08-01), Burdick et al.
patent: 3288398 (1966-11-01), Axelsson

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