Patent ID: 7455094
Filing Date: 2008-11-25
Classification: F16L,Y10T

Abstract:
1. An apparatus for manufacturing an agricultural water supply hose, which includes means for supplying nozzle chips, an extruder for extruding the hose through a die after melting a plastic material, a vacuum tank for cooling the extruded hose, and means for bonding the nozzle chips onto the inner upper periphery of the hose, wherein the means for supplying the nozzle chips is a guide rod longitudinally elongated inside the extruded hose in such a way as to pass through the die of the extruder and the vacuum tank, wherein the means for bonding the nozzle chips on the inner upper periphery of the hose is an adhesive coating device having an adhesive storage and a supply tube, the supply tube having an end portion connected with the adhesive storage and the other end portion having an adhesive coating nozzle, and wherein the adhesive coating nozzle is located in such a way as to coat an adhesive on the inner upper surface of the hose, an inclined groove is upwardly inclined at the front end portion of the guide rod so that the nozzle chips can be bonded on the inner upper periphery of the hose at regular intervals, and the nozzle chips