| 摘要 |
A branch pipe socket fitting system is provided to prevent an inner washer from being separated from a branch pipe by fastening the inner washer to the branch pipe. A branch pipe(200) is divided into an upper branch pipe(201) and a lower branch pipe(202), which are integrally formed with each other. The upper branch pipe has a cylindrical shape. A connection pipe(700) is inserted into an inner surface of the upper branch pipe. The lower branch pipe is formed at an inner peripheral surface thereof with a plurality of locking sections(44). An inner washer(300) is provided at a lower portion of a box type protruding pipe(360). The inner washer has a blade plate(310) that is integrally formed with the inner washer. A box type protruding pipe(150) surrounding the lower branch pipe is integrally formed on a saddle(100). The inner washer is installed in a pipe inlet hole(650). |
