| Berkshire Precision Tool, LLC Patent applications |
| Patent application number | Title | Published |
|---|
| 20080219782 | END MILL - An end mill is provided having an axis of rotation, a shank section and a fluted section, each extending along the axis of rotation, and a plurality of helical teeth. The fluted section has a first end attached to the shank section and a second end. The plurality of helical teeth is disposed within the fluted section. Each helical tooth has a cutting edge, a relief surface, a cutting surface, and an edge preparation surface. The edge preparation surface is contiguous with the cutting edge of the respective tooth. | 09-11-2008 |
| 20080206003 | ROTARY CUTTING TOOL - A rotary cutting tool is provided having an axis of rotation, a shank section, a fluted section, and a plurality of helical teeth. The shank section and the fluted section both extend along the axis of rotation. The fluted section has a first end integrally attached to the shank section, a second end, and an outer surface extending between the first and second ends. A plurality of helical teeth is disposed along the outer surface, each having a cutting edge and an undulating geometry. The helical teeth are arranged so that rotationally successive cutting edges are sufficiently dissimilar relative to one another to inhibit a detrimental periodic response in the rotary cutting tool. | 08-28-2008 |
