Combination tool with front-face recess

Details Combination tool with front-face recess Combination tool with front-face recess

2007-03-05

2009-12-01

Ross, Dana (Department: 3725)

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

Implement, e.g., die, etc.

Tap

C408S222000

Reexamination Certificate

active

07625292

ABSTRACT:
A tool for producing a thread such as an internal thread, can include at least one cutting region having at least one cutting edge and at least one thread-forming region. In general, the cutting region(s) and the thread-forming region(s) are coupled or connected to one another in such a way that they are rotatable or rotate together about a tool axis. In addition, at least one cutting region is at least partly formed on a front-face tool end and/or adjacent to a front-face tool end. Furthermore, a front-face recess that is configured for receiving chips is formed on the front-face tool end.

REFERENCES:
patent: 4761844 (1988-08-01), Turchan
patent: 6345941 (2002-02-01), Fang et al.

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