To readily exert an equal washing effect by a detergent on all washing in a vessel and prevent the detergent from attaching to the washing and remaining without dissolving until the end of operation.
The detergent is spread inside the vessel by rotating the vessel during the time when the detergent is thrown from a detergent throwing device (S5-S9). In addition, during the time when the detergent is thrown, feed water by a feed water means is also conducted and the detergent is fed into the vessel by the water (S4). Furthermore, the rotation of the vessel during the time when the detergent is thrown is conducted at the rotation speed which is lower than the regular rotation speed of the vessel at dewatering operation and the resonance rotation speed of an internal mechanism (S5).
TERANISHI MASAHIRO
KUNO KOJI
WADA MASAJI
KOMATSU MORIMASA
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