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 JP13171276ApriorityCriticalpatent/JPS5357590A/en
Publication of JPS5357590ApublicationCriticalpatent/JPS5357590A/en
PURPOSE: To obtain cheap tip suitable for difficult cutting material e.g. stainless steel especially for intermittent cutting thereof, by forming the tip by combination of spherical surface on upper surface and polygonal shape at tip end surface.
COPYRIGHT: (C)1978,JPO&Japio
JP13171276A1976-11-041976-11-04Cutting tool tip
PendingJPS5357590A
(en)