Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eidai Co Ltd
Original Assignee
Eidai Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eidai Co LtdfiledCriticalEidai Co Ltd
Priority to JP12778575ApriorityCriticalpatent/JPS5251735A/en
Publication of JPS5251735ApublicationCriticalpatent/JPS5251735A/en
PURPOSE: To discharge only a filth in a reliable manner by placing an overflow hole for discharging the filth at the upper section of a tank which stores a cleaning solution having a greater specific gravity than that of the filth.