COATING APPARATUS FOR INNER FACE OF FAUCET OF METALLIC CONDUIT

摘要

PROBLEM TO BE SOLVED: To provide a coating apparatus for an inner face of a faucet of a metallic conduit that applies uniform thickness of a coating film to the inner face of both sides having a concave groove inner face and a bottom face formed in the faucet inner side in applying a corrosion-resistant coating on the faucet inner face. SOLUTION: The coating apparatus is provided with a nozzle 6 at a head of a paint supply pipe inserted along the axis direction within the faucet 2 of the metallic conduit 2b such as a cast iron pipe, wherein the nozzle 6 injects a paint to the periphery of the axis line 2a directed to the outside of the diameter direction of the metallic conduit in cone spray pattern 5 state.