PURPOSE: To provide a drainage metal fitting for pipe line repairing work, which is capable of facilitating the repairing work by improving the discharging work of a working fluid such as hot water.
CONSTITUTION: In a pipe line repairing work, in which a repairing material 1 is pressed along the inner surface of a pipe line 11 by supplying hot water (working fluid) W into the inside of the repairing material l sealed watertightly in the pipe line 11, a drainage metal fitting 14 is mounted to a portion 9 of the repairing material l, which is projected from the pipe line 11, and the drainage metal fitting 14 is equipped with a discharge pipe 28 for discharging the hot water W supplied to the inside of the repairing material 1 in a fixed direction outside the repairing material 1, and an opening and closing valve 29 for opening and closing the discharge pipe 28.
ONODA NOBUHIKO
NAKAMURA KATSUMI
KANSEI KOGYO KK
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