Patent ID: 9079253
Filing Date: 2015-07-14
Classification: B23B,B23C,B23D,Y10T

Abstract:
1. A shank-type tool for machine tools, having a shank, a tool head which is arranged on one shank end and equipped with at least one cutting element, and a coupling element arranged on an opposite shank end for directly or indirectly attaching to a machine spindle, the shank having a radially open circumferential groove which extends around the shank circumference and at least one spreading element which engages into the circumferential groove and is radially adjustable therein so as to exert spreading and bending forces on flanks provided in the groove, wherein the circumferential groove is filled with a filler material in the form of a ductile, abrasion-resistant and adherent casting compound having a sealing function and providing rotational locking of the spreading elements.