Balloon and method of connecting objects to one of two sheets forming the balloon
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United States of America Patent
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Oct 14, 2003
Grant Date -
Aug 21, 2003
app pub date -
Feb 20, 2002
filing date -
Feb 20, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention provides a balloon and a method for heat tacking one side of an object to an interior of the balloon without the other side of the object becoming attached to the balloon. The balloon is formed from at least a top sheet and a bottom sheet of a substantially gas-impermeable, heat-sealable material such as BON. A portion of the object is chosen to be heat sealed to the interior of the balloon. The reverse side of the portion of the object is coated with a heat resistant barrier such as synthetic resinous fluorine-containing polymer, heat-resistant nitrocellulose ink or the like. The object is then placed between the two sheets that form the balloon. A heating element is applied to the sheet on which the object will be attached and a pressure plate is applied on the other sheet thus forming a sandwich. This sandwich heat stakes one side of the object to the balloon while the heat resistant barrier prevents the other side from attaching to the balloon.
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