| 摘要 |
PURPOSE: An adulteration screening apparatus for a drainpipe is provided to easily and elastically install the screening apparatus on the inner circumference of the drainpipe using a metal plate. CONSTITUTION: An adulteration screening apparatus for a drainpipe comprises a metal plate(10), an adulteration barrier rod(30), and a supporting rod(40). The metal plate is banding-processed to be installed on the inner circumference of the drainpipe(20). The adulteration barrier rod is installed on the inner circumference of the metal plate with a constant interval. The supporting rod is combined with the inner circumference of the metal plate.
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