Rotary stone-cutting head
Patent
·
OSTI ID:6188052
A rotary stone-cutting head has a body generally centered on and adapted to be rotated in a predetermined direction about an axis. An array of cutter supports on the body directed at least partially in the direction carry respective cutter teeth each having relative to the axis an outer cutting edge and relative to the direction a generally angularly forwardly directed face adjacent the edge and formed with an array of holding recesses. The teeth are at least at the edges of hardened metal. The teeth are removably secured to the respective supports and respective hardened-metal breaking pins have shanks fitted to the recesses and points directed angularly forwardly in the direction. At least some of the points lie angularly ahead in the direction of the respective cutting edge. These points having a crushing effect that greatly augments the effectiveness of the cutting edges.
- Assignee:
- Berchem and Schaberg GmbH (Germany, Federal Republic of)
- Patent Number(s):
- US 4461513
- OSTI ID:
- 6188052
- Country of Publication:
- United States
- Language:
- English
Similar Records
Internal cooling passages for rotating cutting tools
Cutting element for a rotary drill bit and method for making same
Rotary drill bit
Patent
·
Tue Oct 27 00:00:00 EDT 2020
·
OSTI ID:1771548
Cutting element for a rotary drill bit and method for making same
Patent
·
Mon Nov 09 23:00:00 EST 1987
·
OSTI ID:5863383
Rotary drill bit
Patent
·
Mon Feb 02 23:00:00 EST 1987
·
OSTI ID:7062848