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Class Information
Number: 408/223
Name: Cutting by use of rotating axially moving tool > Tool or tool with support > Having stepped cutting edges
Description: Device including a plurality of cutting edges disposed about the tool-axis and positioned at different radial distances from the tool-axis.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7351017 |
Solid drill bit for machine tools |
Apr. 1, 2008 |
| 7273334 |
Deburring cutter for deburring edges of drilled holes |
Sep. 25, 2007 |
| 7270503 |
Cutting tool for rotating and drilling into solid blocks |
Sep. 18, 2007 |
| 7220086 |
Tool head with at least two indexable cutting inserts |
May. 22, 2007 |
| 7201542 |
Solid drill bit for machine tools |
Apr. 10, 2007 |
| 7156588 |
Cutting head for rotary cutting tool |
Jan. 2, 2007 |
| 7108460 |
Unitized drill bit |
Sep. 19, 2006 |
| 7029211 |
Pipe chamfer tool |
Apr. 18, 2006 |
| 7004691 |
Deep hole cutter |
Feb. 28, 2006 |
| 6948891 |
Drilling tool set, drilling tool and indexable drill bit therefor |
Sep. 27, 2005 |
| 6929432 |
Drilling tool and indexable drill bit |
Aug. 16, 2005 |
| 6685402 |
Drill insert geometry having V-notched web |
Feb. 3, 2004 |
| 6527486 |
Cutting insert for drill |
Mar. 4, 2003 |
| 6511265 |
Composite rotary tool and tool fabrication method |
Jan. 28, 2003 |
| 6447222 |
Throwaway tip and holder for holding the same |
Sep. 10, 2002 |
| 6413023 |
Indexable type rotary milling tool and indexable insert |
Jul. 2, 2002 |
| 6406226 |
Throwaway tip and drill holder |
Jun. 18, 2002 |
| 6357471 |
Valve insertion method and cutting tool |
Mar. 19, 2002 |
| 6270297 |
Cutting tools and drill inserts with chip control geometry |
Aug. 7, 2001 |
| 6267542 |
Drill bit having a chiseless bit tip |
Jul. 31, 2001 |
| 6238151 |
Drilling tool and throw-away tip for use in drilling work |
May. 29, 2001 |
| 6224302 |
Spade drill |
May. 1, 2001 |
| 6213692 |
Cutting tool |
Apr. 10, 2001 |
| 6186706 |
Method and equipment for processing carbon bodies |
Feb. 13, 2001 |
| 6139236 |
Board anchor |
Oct. 31, 2000 |
| 6095725 |
Drilling tool |
Aug. 1, 2000 |
| 6032750 |
Drilling tool having a drill bit with primary and secondary cutting edges |
Mar. 7, 2000 |
| 6030156 |
Drill and sharpening fixture |
Feb. 29, 2000 |
| 6030155 |
Drilling tools for machine tool and method of producing the same |
Feb. 29, 2000 |
| 5988956 |
Hole cutter |
Nov. 23, 1999 |
| 5971676 |
Drill insert |
Oct. 26, 1999 |
| 5964553 |
Drilling tool with internal cavities for chip removal |
Oct. 12, 1999 |
| 5947659 |
Drill bit |
Sep. 7, 1999 |
| 5865574 |
Drill with coolant channels and method for its manufacture |
Feb. 2, 1999 |
| 5848861 |
Tool-bit holder and method of manufacturing same |
Dec. 15, 1998 |
| 5816753 |
Port cutting tool with multiple function inserts |
Oct. 6, 1998 |
| 5791838 |
Metal drilling tool and method |
Aug. 11, 1998 |
| 5676499 |
Drill with coolant channels and method for its manufacture |
Oct. 14, 1997 |
| 5626446 |
Flat drill bit with opposing vertical cutting edges |
May. 6, 1997 |
| 5509761 |
Drill |
Apr. 23, 1996 |
| 5443585 |
Gun drill |
Aug. 22, 1995 |
| 5429458 |
Spiral drill |
Jul. 4, 1995 |
| 5354156 |
Drilling tool |
Oct. 11, 1994 |
| 5338135 |
Drill and lock screw employed for fastening the same |
Aug. 16, 1994 |
| 5302059 |
Insert drill |
Apr. 12, 1994 |
| 5160232 |
Drill bit or end mill with grooved flutes |
Nov. 3, 1992 |
| 5049011 |
Rotary boring tool with indexable cutter chips |
Sep. 17, 1991 |
| 4984944 |
Drill bit blade for masonry and rock drill |
Jan. 15, 1991 |
| 4927303 |
Ball end mill |
May. 22, 1990 |
| 4871287 |
Annular cutter having radial clearance |
Oct. 3, 1989 |
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