CONNECTING PIPE AND MANUFACTURING METHOD THEREOF

摘要

PURPOSE: A connecting pipe which is fixes a pipe without the leakage and a manufacturing method thereof are provided to make a structure simple by fixing a metal pressing ring using an inserting mold. CONSTITUTION: A metal pressing ring(50) and a connecting pipe are formed in order to make the metal pressing ring inside a compressing unit. The molding of the connection pipe is attained of the injection, the casting, and the die-casting. The compressing unit comprises a curling unit(13) on which the pressing ring is fixed and a rubber insertion unit(12). The rubber insertion unit settles a rubber ring(30) inside the insertion part of the connecting pipe. A jaw(51) is formed in the outer end of the metal pressing ring and the metal pressing ring is fixed.