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Class Information
Number: 408/229
Name: Cutting by use of rotating axially moving tool > Tool or tool with support > Having peripherally spaced cutting edges > With axially extending relief channel
Description: Device wherein the tool is provided with a void area of axial dimension to permit passage of product of the cutting operation therealong.










Sub-classes under this class:

Class Number Class Name Patents
408/230 Spiral channel 409


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8702357 Multi-piece drill head and drill including the same Apr. 22, 2014
8651776 Drill/countersink assembly and method for producing countersunk holes Feb. 18, 2014
8556550 Ejector drill system Oct. 15, 2013
8540465 Tool for machining workpiece having an axially extending portion defining a reference diameter Sep. 24, 2013
8517644 Adjustable indexable drill and modular system and holder Aug. 27, 2013
8506212 Adjustable indexable drill Aug. 13, 2013
8480338 Adjustable indexable drill Jul. 9, 2013
8147174 Spade bit Apr. 3, 2012
8087854 Cutting tool Jan. 3, 2012
8025662 Bidirectional reaming cutter Sep. 27, 2011
7922429 Spade bit Apr. 12, 2011
7905690 Spade bit Mar. 15, 2011
7896588 Short-hole drill and a drill body therefor Mar. 1, 2011
7794185 Spade bit Sep. 14, 2010
7648316 Forstner drill bit Jan. 19, 2010
7473056 Spade bit Jan. 6, 2009
7441991 Chamfering tool Oct. 28, 2008
7392857 Apparatus and method for vibrating a drill bit Jul. 1, 2008
7393162 Gun drill Jul. 1, 2008
7326009 Edge-carrying drill body having an internal chip-removal channel Feb. 5, 2008
7195428 Gundrill Mar. 27, 2007
7004691 Deep hole cutter Feb. 28, 2006
6976815 Milling cutter having three continuously curved cutting edges Dec. 20, 2005
6902359 Drill insert with controlled contact clearance Jun. 7, 2005
6644899 Drill bit and process of producing a drill bit with improved cutting edges Nov. 11, 2003
6637989 Center locating feature in drill bit formed without a pointed tip Oct. 28, 2003
6595730 Bit for removing damaged screws Jul. 22, 2003
6568883 Method of finishing inner circumferential surface, and reamer May. 27, 2003
6551036 Drilling bit and holder for drilling bit Apr. 22, 2003
6503030 Reamer Jan. 7, 2003
6379090 Force balanced irregular pitch reamer and associated reaming method Apr. 30, 2002
6315504 Twist Drill Nov. 13, 2001
6276881 Method of manufacturing slotted component Aug. 21, 2001
6261034 Boring bit Jul. 17, 2001
6206618 Rotary pipe cutting apparatus Mar. 27, 2001
6190097 Self-centering drill bit with pilot tip, and process Feb. 20, 2001
6183173 Rotary shaft tool Feb. 6, 2001
6132149 Twist drills Oct. 17, 2000
6050754 Self-centering drill bit with pilot tip, and process Apr. 18, 2000
6030156 Drill and sharpening fixture Feb. 29, 2000
6000887 Stiff drill Dec. 14, 1999
5993119 Drill having cooling channel and chip flutes Nov. 30, 1999
5967707 Short-hole drill bit Oct. 19, 1999
5947655 Rotary pipe cutting apparatus Sep. 7, 1999
5931615 Twist drill bit Aug. 3, 1999
5897274 Rotating boring tool Apr. 27, 1999
5895179 Drill Apr. 20, 1999
5863161 Countersinking tool with removable cutting inserts Jan. 26, 1999
5816754 Elongated drill with replaceable cutting inserts Oct. 6, 1998
5813804 Boring tool for composite laminate materials Sep. 29, 1998

1 2 3










 
 
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