Patent ID: 6845928
Filing Date: 2005-01-25
Classification: C23C

Abstract:
1. A gas wiping nozzle for a wire coating apparatus comprising: an inlet portion defining a converging inlet passage for a coated wire that is axially drawn through said gas wiping nozzle; a wiping portion defining a wiping passage for said coated wire, downstream and in axial extension of said inlet passage, said wiping portion including gas outlet means surrounding said wiping passage for blowing wiping gas onto said coated wire; and a protruding annular lip arranged between said converging inlet passage and said wiping passage, wherein said annular lip defines a passage for said coated wire that is narrower than said wiping passage, so that said gas outlet means in said wiping passage is protected by said protruding annular lip against direct contact with said coated wire, which is axially drawn through said passages of said gas wiping nozzle.