Abstract: A tool block is provided with a cutting insert holder (12), provided with a cutting insert (14), and a clamping device comprising a pivotally arranged lever (20), one end of which acts on the cutting insert holder (12) while the other end of which cooperates with a spring loaded device (21).
Abstract: The composite roller of the invention comprises a ring of near-resistant material encircling a holding member which latter has an inner portion and two radial flanges between which said ring is axially fixed. Said flanges have grooves at those portions which abut lateral surfaces of said ring. A continuously U-shaped intermediate space is provided axially and radially between ring and holding member.