Lighter than air balloons

Details Lighter than air balloons Lighter than air balloons

B - Operations, Transporting

64

B

B64B 1/58 (2006.01) A63H 27/10 (2006.01) B32B 15/08 (2006.01) B32B 27/08 (2006.01) B64B 1/40 (2006.01)

Patent

CA 2160079

A lighter than air balloon constructed from a flexible film material which has coated one or more of its interior or exterior surfaces thereon a barrier material which is not a pure metal and which has an oxygen transmission rate of less than 0.5 cm?/100 in?/24 hr. at 75°F, 65 relative humidity, said balloon being able to float when inflated with a lighter than air gas and a process for producing the balloon is provided.

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