Hose assembly and method of making the same

Claim 1

In a hose assembly having a first fluid passage therein for conveying a volatile liquid in one direction to a container and a second fluid passage therein for returning the vapors of the volatile liquid from the container, the assembly comprising a flexible inner hose unit having an upper peripheral surface and defining said first fluid passage therein, and a flexible outer hose having an inner peripheral surface and being disposed around said inner hose unit, said inner peripheral surface of said outer hose and said outer peripheral surface of said inner hose unit defining said second fluid passage therebetween, said inner hose unit having a Venturi section therein that tends to remove liquid from a certain area of said second fluid passage, said inner hose unit having adjacent intermediate ends, said Venturi section having opposed ends respectively interconnected to said ends of said inner hose unit to provide said first passage therewith, the improvement wherein said inner hose unit comprises a plurality of separate inner hoses extending in said one direction to one end of said ends of said Venturi section and a single inner hose extending away from the other end of said ends of said Venturi section in said one direction, said inner hose unit comprising a coupling unit having a plurality of inlets and a single outlet interconnected to said plurality of inlets, said plurality of separate inner hoses being respectively interconnected to said plurality of inlets of said coupling unit, said inner hose unit comprising a flexible tubular length that interconnects said one end of said Venturi section to said outlet of said coupling unit and spaces said coupling unit from said Venturi section so that said coupling unit is disposed remote from said Venturi section.