Tool and method for producing a thread in a tool

Details Tool and method for producing a thread in a tool Tool and method for producing a thread in a tool

2008-07-15

2008-07-15

Tolan, Edward (Department: 3725)

Threaded, headed fastener, or washer making: process and apparat

Implement, e.g., die, etc.

Tap

C470S107000, C470S199000

Reexamination Certificate

active

07399231

ABSTRACT:
The tool for producing a screw thread in a workpiece comprisesa) at least one thread-producing region, which comprisesa1) at least one thread-milling region, which operates by removing material, as well asa2) at least one thread-forming region, which operates without the removal of material,b) such that the thread-milling region(s) and the thread-forming region(s) of each thread-producing regionb1) are coupled or connected to one another in such a way that they rotate or can be rotated together about a tool axis, andb2) are disposed along an outside circumference of the thread-producing region so as to be offset from one another, i.e. situated one behind the other or following one another, in a direction of rotation about the tool axis.

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