Patent ID: 7992503
Filing Date: 2011-08-09
Classification: D21C

Abstract:
1. A method of using a cleaning device that includes a connecting rod, a front tool part mounted on said connecting rod, and at least one rear tool part articulately mounted on said front tool part, said front tool part comprising first and second elongated arms which mount at least one first cleaning part having a shape and size that closely conforms to a shape and size of an outlet port that is to be cleaned, so that said first cleaning part can be inserted into the outlet port to clean the same, and said rear tool part comprising at least one second cleaning part having a shape and size that closely conforms to a shape and size of an interior of an outlet spout that is to be cleaned, so that said second cleaning part can be inserted into the outlet spout to clean the same, wherein said first cleaning part is in the form of a hollow cylinder open at ends thereof and wherein an envelope surface of said cylinder includes a single slot that extends in a longitudinal direction of the cylinder from one end to the other of the cylinder and through the entire length thereof and thus enables said first cleaning part to be radially resilient to clean outlet ports of boilers, comprising the steps of: