Hollow body in the form of a flexible bar
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United States of America Patent
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-
Mar 18, 2003
Grant Date -
N/A
app pub date -
Jun 19, 2000
filing date -
Aug 13, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flexible cord-like hollow object for the transportation of media is provided with an inner zone enclosed by a casing having an inner layer, a middle layer and an outer layer. A barrier layer, which is impermeable to volatile molecules in the medium to be transported, is integrated into the casing on the outer surface of the inner layer between the inner layer and the middle layer. The barrier layer comprises sub-elements that are arranged in a scale-like manner.
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