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US 6,948,528 B2Granted
Corrugated hose assembly
AssigneeTeleflex Fluid Systems, Inc.
InventorsNorman S. Martucci, Boney A. Mathew
Life of this patent
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Abstract
According to the present invention, there is provided a hose assembly with an inner fluoropolymer layer having a smooth inner surface and an outer polyamide layer having an undulated surface.
Claims11
A hose assembly comprising:
- an inner fluoropolymer layer having an entirely smooth non-corrugated inner surface;
- an outer polyamide layer extruded about said inner layer, said outer layer having a corrugated outer surface, said hose assembly being used in a fuel line;
- and
- at least one braided layer disposed on said inner layer.
1 more element
Dependencies are inferred from the claim text.