HEAT ABSORBING THROW-AWAY TIP AND HEAT ABSORBING THROW-AWAY TOOL USING THE THROW-AWAY TIP

摘要

A throw-away tip having a heat absorbing capability and a throw-away tool using the throw-away tip; the throw-away tip (3) installed on a shank (2) having a fluid inlet path (12) and a fluid outlet path (13) therein, characterized by comprising, on the inside of a plurality of corners (C1, C2, C3, C4), a corridor-like cooling path (30) passing in order near the plurality of corners and connection paths disposed in an end part area of the cooling path (30) so as to be allowed to communicate with the inlet path (12) and the outlet path (13) whenever any corner is used.