Line duct with a series of layers
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United States of America Patent
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Mar 22, 2016
Grant Date -
Dec 12, 2013
app pub date -
Feb 21, 2012
filing date -
Feb 22, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to a line duct for sealing a wall opening through which a line passes, comprising an elastomer body with a series of layers surrounding the line. The elastomer body and the series of layers are made up here of a number of respective one-piece elastomer body parts (2a, b, c, d) with shells (4a, b, c, d), according to the invention there being arranged between the shells (4a, b, c, d) of an elastomer body part (2a, b, c, d) at least two shells (4a, b, c, d) of other elastomer body parts (2a, b, c, d).
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