Structure and method of producing foams having hydrogen-filled c

Aeronautics and astronautics – Aircraft control – Airship control

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Details

244 30, 244 31, 2441292, 244 5, 169 62, B64B 124

Patent

active

049829157

ABSTRACT:
A fire-resistant foam having hydrogen-filled cells for use in airship/balloon envelopes.

REFERENCES:
patent: 2362966 (1944-11-01), Bertsch
patent: 3443776 (1969-05-01), Moore
patent: 3450374 (1969-06-01), Moore
patent: 4646848 (1987-03-01), Bruensicke

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