Patent Abstracts on Machining of Tool Steel

* Machining tool special for steel workpiece.

* Lining strip for steel tube welding and machining tool therefor.

* Operating head for automatic machine tool e.g. for machining titanium and steel, has interchangeable chuck, removably mounted on body on main support, which rotates around axis oblique to axis of body that is oblique to axis of support.

* Machining tool i.e. end milling cutter, for machining e.g. rust-free steel, has T-slots arranged between peripheral-sided and front-sided cutting edges, where unequal partition of front-sided cutting edges is provided.