Laminated air brake tubing

Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing

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Details

428 3691, 138125, 138126, 138141, 138137, B32B 108

Patent

active

060663774

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. The polyethylene layers are cross-linked preferably by irradiation. Further, the high density polyethylene layer may include compatibilizing agents preventing delaminating. 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.

REFERENCES:
patent: 3601524 (1971-08-01), Kauffman
patent: 3814138 (1974-06-01), Courtot
patent: 4196464 (1980-04-01), Russell
patent: 4308896 (1982-01-01), Davis
patent: 4717326 (1988-01-01), Motonaga et al.
patent: 5076329 (1991-12-01), Brunnhofer

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