PRESSURIZED FLUID FEEDING HOSE AND MANUFACTURE THEREFOR

摘要

PURPOSE: To provide a pressurized fluid feeding hose by which holding power of a nipple to a spiral pipe is satisfied and a sealing property in the spiral pipe can be maintained constantly. CONSTITUTION: An inner circumference axial directional cross section shape of a nipple 15 pressed onto the outer circumference of a spiral pipe 16 is constructed of a flat part 15a and taper parts 15b which are formed on both sides of the flat part 15a, and inside diameters of the taper parts are expanded toward both end parts gradually.