Laminated air brake tubing
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United States of America Patent
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Jun 6, 2000
Grant Date -
N/A
app pub date -
Feb 11, 1998
filing date -
Feb 11, 1998
priority date (Note) -
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Abstract
A laminated air brake tubing includes inner and outer nylon layers with an intermediate fiber reinforcing layer. The tubing further includes one and preferably two layers of high density polyethylene positioned adjacent either of said nylon layers with a protective layer separating the fiber reinforcing layer from the high density polyethylene layer. The protective layer is preferably a thin layer of nylon or nylon alloy. Further, the high density polyethylene layer may include compatibilizing agents preventing delamination. The air brake tubing of the present invention meets the current requirements for air brake tubing, however it is less expensive than currently available air brake tubing.
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