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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Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP4445577ApriorityCriticalpatent/JPS53129962A/en
Publication of JPS53129962ApublicationCriticalpatent/JPS53129962A/en
PURPOSE: To such a pellet by providing a suction assisting means which has a width concealing the pellet at its nozzle end and has a depth larger than the diagonal line of the pellet.