Expandable and contractible hose

CAFC
  • US 8,291,941 B1
  • Filed: 11/04/2011
  • Issued: 10/23/2012
  • Est. Priority Date: 11/04/2011
  • Status: Active Grant
First Claim
Patent Images

1. A hose comprising:

  • a flexible elongated outer tube constructed from a fabric material having a first end and a second end, an interior of said outer tube being substantially hollow;

    a flexible elongated inner tube having a first end and a second end, an interior of said inner tube being substantially hollow, said inner tube being formed of an elastic material;

    a first coupler secured to said first end of said inner and said outer tubes;

    a second coupler secured to said second end of said inner and said outer tubes with the inner and outer tubes unsecured to each other between first and second ends; and

    said first coupler fluidly coupling said hose to a source of pressurized fluid, said second coupler coupling said hose to a fluid flow restrictor,whereby said fluid flow restrictor creates an increase in fluid pressure between said first coupler and said second coupler within said hose, said increase in fluid pressure expands said elongated inner tube longitudinally along a length of said inner tube and laterally across a width of said inner tube thereby substantially increasing a length of said hose to an expanded condition and said hose contracting to a substantially decreased or relaxed length when there is a decrease in fluid pressure between said first coupler and said second coupler.

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