Back to results
US 2005/0183786 A1Published application
Corrugated hose assembly
OwnerNorman Martucci, Boney Mathewinventors
Life of this patent
Estimating the term…
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.
Claims10
1-13. (canceled)
A method of making a hose assembly including the steps of:
- forming a smooth inner fluoropolymer layer;
- forming an outer polyamide layer over the inner fluoropolymer layer while adhering said outer and inner layers together;
- and corrugating said outer polyamide layer.
A hose assembly comprising:
- an inner fluoropolymer layer having an entirely smooth non-corrugated inner surface;
- and
- 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.
Dependencies are inferred from the claim text.