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US 6,641,083 B2Granted
Balloon
AssigneeThe Director-General of the Institute of Space and Astronautical Science
InventorsNaoki Izutsu, Nobuyuki Yajima
Life of this patent
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Abstract
A balloon comprising an envelope, wherein the envelope has a multilayered structure comprising a gas-impervious sheet, and a liquid absorbent sheet overlaid on the inner surface of the gas-impervious sheet.
Claims6
A balloon comprising:
- an envelope,
- wherein said envelope has a multilayered structure including a gas-impervious sheet and a liquid absorbent sheet, said liquid absorbent sheet being overlaid on an inner surface of said gas-impervious sheet, and
- wherein said liquid absorbent sheet is capable of containing a liquid of a weight from 1 to 200 times as large as a weight of said liquid absorbent sheet.
A balloon for planetary exploration, said balloon comprising:
- an envelope, and
- a payload,
- wherein said envelope has a multilayered structure including a first sheet, which is gas-impervious sheet, and a second sheet containing water, said second sheet being overlaid on an inner surface of said first sheet, and
- wherein said second sheet is capable of containing water of a weight from 1 to 200 times as large as a weight of said second sheet.
1 more element
Dependencies are inferred from the claim text.