| 摘要 |
PURPOSE: A Teflon hose coating method and a device for the same are provided to manufacture a firm coated hose by coating the Teflon hose with nylon resin to be integrated since the Teflon hose is coated in a vacuum condition after preheating at predetermined temperature. CONSTITUTION: A Teflon hose coating device comprises a Teflon hose feeder(10), a pre-heater(30), a coating mold(90), an extrusion coater(40), a cooling device(50), and a forming device(60). The pre-heater preheats the outer diameter of a Teflon hose being supplied from the hose feeder. The coating mold coats the outer diameter of the Teflon hose with a nylon coating portion in a vacuum condition. An extrusion screw of the extrusion coater heats the nylon resin at temperature of 250°C to 320°C and supplies the molten nylon resin to the coating mold. The cooling device supplies a coating hose and comprises a cooling tank(51). A pair of caterpillars(61) of a forming device(60) forms the coating hose by pulling the coating hose cooled in the cooling device.
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