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.)
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Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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Filing date
Publication date
Application filed by Matsushita Electric Works LtdfiledCriticalMatsushita Electric Works Ltd
Priority to JP4064977ApriorityCriticalpatent/JPS53125669A/en
Publication of JPS53125669ApublicationCriticalpatent/JPS53125669A/en
PURPOSE: To remove scum positively regardless of the water-level of a sedimentation tank, by fitting a valve, which can be opened and closed freely and which is provided with a float, so as to clog an opening portion of the bottom, and by providing a bucket having a net stretched inside, in immersion-free condition in water.