Patent ID: 8944080
Filing Date: 2015-02-03
Classification: B08B,H01L

Abstract:
1. A cleaning device for removing deposits from a drain pipe, the cleaning device comprising: a top portion, comprising a first opening through which fluid from a first drain pipe can flow; a middle portion connected to the top portion, comprising an inlet on a lateral side, an annular channel in fluid communication with the inlet, and a second opening communicated with the first opening, wherein the inlet on the lateral side is configured to deliver cleaning liquid to the annular channel; and a bottom portion connected to the middle portion, comprising a third opening and a reservoir having a base and an annular dam disposed on the base, wherein cleaning liquid is delivered to the reservoir from the annular channel, and wherein the annular dam is configured such that cleaning liquid can overflow from the dam and travel through the third opening and enter a second drain pipe that is in fluid communication with the second opening and the reservoir.