COUPLED BALLOON
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United States of America Patent
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-
Oct 25, 2016
Grant Date -
Nov 10, 2016
app pub date -
Sep 11, 2015
filing date -
Oct 10, 2014
priority date (Note) -
Granted
status (Latency Note)
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Abstract
A coupled balloon includes: a first balloon body, at least one second balloon body, through-holes formed in the balloon bodies via which the balloon bodies communicate with each other, and a double-sided bonding tape having a communication hole which is aligned with the through-holes, by which outward-surface-side peripheral edge portions of each of the through-holes are joined together. Inside of the balloon bodies include a heat seal layer, and outside thereof is formed by overlapping films configured from gas barrier layers. A valve for injecting a gas into one location on a peripheral edge of the first balloon body is interposed, and the peripheral edge other than an inner surface of the valve is thermally fused. A peripheral edge of the at least one second balloon body is thermally fused.
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