Reverse taper cutting tip with a collar

Details Reverse taper cutting tip with a collar Reverse taper cutting tip with a collar

2005-01-25

2005-01-25

Kreck, John (Department: 3673)

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Wear resistant feature for tool body

C299S111000, C299S113000

Reexamination Certificate

active

06846045

ABSTRACT:
A cutting tool has tool body with a seat at a forward end thereof. A hard cutting insert is bonded into the seat. The insert is made of a hard material and Ahas an elongate central portion having a maximum upper diameter and a maximum lower diameter that is less than the maximum upper diameter. A collar, also made of a hard material, surrounds the base of the elongate central portion of the insert.

REFERENCES:
patent: 5702160 (1997-12-01), Levankovskii et al.
patent: 5873423 (1999-02-01), Briese
patent: 20030052530 (2003-03-01), Sollami

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