Machine reamer

Details Machine reamer Machine reamer

2007-05-31

2010-02-09

Howell, Daniel W (Department: 3726)

Cutting by use of rotating axially moving tool

Tool of specific diverse material

C408S145000

Reexamination Certificate

active

07658575

ABSTRACT:
A machine reamer has a plurality of slender blades erected on the outer peripheral part of a reamer head body. Each blade of a pair of blades facing each other in a radial direction are different in material kind from each other. One of the blades treated as a pair is made of super-hard alloy and the other blade is made of one kind of material selected from the group of sintered ceramic, cermet, and microcrystalline diamond sintered material.

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USPTO translation of JP 58-051925, translated Mar. 2008.
JP Laid-open 51925, Apr. 8, 1983, Sumitomo Elec.

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