Patent · US Expired

Refrigerant hose

US7044168B2 · kind B2 · utility

2Cited by
14References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 8, 2004
Grant dateMay 16, 2006
Priority date
Expiry dateJul 8, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/1393
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A hose comprising a core layer, an elastomeric friction layer overlaying the core layer, at least one reinforcement layer overlaying the friction layer, and a cover layer overlaying the at least one reinforcement layer, wherein the core layer is comprised of a blend of two different non-plasticized polyamides.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.