Device for producing deep-hole borings in workpieces having...

Details Device for producing deep-hole borings in workpieces having... Device for producing deep-hole borings in workpieces having...

2006-02-14

2006-02-14

Howell, Daniel W. (Department: 3722)

Cutting by use of rotating axially moving tool

With means to apply transient, fluent medium to work or product

Including tool with duct

C408S097000, C408S11500B

Reexamination Certificate

active

06997652

ABSTRACT:
The drill bit (14) passes through a drilling bush (2) for guiding said drill bit. The drilling bush (22) is pressed against the workpiece (10). However, the drilling bush does not terminate flush with the workpiece, but comprises a linear supporting edge (28) that overlaps the apex of the curvature of the workpiece. This prevents the drilling bush from sliding off a curvature of the workpiece surface.

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