Lighter than air balloons

Details Lighter than air balloons Lighter than air balloons

1996-06-21

1999-03-16

Dye, Rena L.

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

428 353, 428 354, 428 358, 428 359, 428336, 428337, 446220, A63H 306

Patent

active

058827471

ABSTRACT:
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.sup.3 /100 in.sup.2 /24 hr. at 75.degree. 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.

REFERENCES:
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patent: 5075143 (1991-12-01), Bekele
patent: 5089353 (1992-02-01), Negi
patent: 5100720 (1992-03-01), Sawada
patent: 5279873 (1994-01-01), Oike
patent: 5346763 (1994-09-01), Balloni
patent: 5478320 (1995-12-01), Trotta

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