Patent ID: 7399231
Filing Date: 2008-07-15
Classification: B23G

Abstract:
1. A tool for producing a thread in a workpiece, comprising: a) at least one thread-producing region, which comprises a1) at least one thread-milling region, which operates by removing material, and a2) at least one thread-forming region, which operates without the removal of material, b) wherein at least one thread-milling region and at least one thread-forming region of at least one thread-producing region b1) are coupled or connected to one another to be rotatable together about a tool axis, and b2) are arranged along an outer circumference of the thread-producing region and are positioned one behind the other in a direction of rotation about the tool axis; b3) wherein at least one thread-milling region and at least one associated thread-forming region of at least one thread-producing region are so arranged and formed that during rotation about the tool axis in a predetermined direction of rotation they rotationally engage the workpiece in alternation or one after the other.