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摘要

PROBLEM TO BE SOLVED: To provide a washing method in washer by which dust, earth and sand or the like attached to the corner part of a bucket of square, rectangle or the like where the corner part is formed, are accurately and efficiently washed out.;SOLUTION: A plurality of roller-shaped brushes for cleaning an inner periphery are disposed side by side above a pair of roller-shaped brushes for cleaning an outer periphery to simultaneously wash an outer peripheral surface and an inner peripheral surface of the bucket or the like. In this washer, counter spacing of a pair of the roller-shaped brushes for cleaning the outer periphery is narrowed and both brushes are respectively rotated in the outward reverse directions. At this time, a speed difference is given to each of the roller-shaped brushes for cleaning the outer periphery and the roller-shaped brushes for cleaning the inner periphery.;COPYRIGHT: (C)2004,JPO