Milling tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 5, 1988
Grant Date -
N/A
app pub date -
Dec 17, 1986
filing date -
Dec 17, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This miling tool for underground work consists of a tool body which has a plurality of cutter blades. Each cutter blade has a negative axial rake and an essentially constant negative radial rake. In addition, each cutter arm has a close packing of cylindrical cutting grade tungsten carbide inserts set at a lead angle of about 0 to 10 degrees. The inserts are also preferably vertically offset on adjacent cutting blades.
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