B23B2251/422 - CPC Classification Index

ClassID:

41169 ⎘

B23B2251/422 - CPC Classification

Classification description:

Sub-classes:

B23B2251/424 » Gun drills 21

Recent Application in this class:

20210331256

2021-10-28

Rotationally asymmetric cutting insert having a single radially extending cutting-edge portion and rotary cutting tool

20200282473

2020-09-10

Four-edged drill

20200030894

2020-01-30

Drilling Tool Comprising A Replaceable Cutting Disk

20180272440

2018-09-27

Drilling system and modular drilling head for deep hole drilling

20170304904

2017-10-26

BORING DEVICE

20170232531

2017-08-17

METHOD FOR RELOADING A SINGLE-FLUTE DRILL, AND SINGLE-FLUTE DRILL

20170182564

2017-06-29

DRILL HEAD FOR DEEP HOLE CUTTING

20170080501

2017-03-23

Drilling system and methods for deep hole drilling

20160361794

2016-12-15

Support pad for a drill head and method for designing and manufacturing a support pad

#10

20160151842

2016-06-02

Twist drill for metal machining

#11

20150336184

2015-11-26

Support pad and cutter head for rotating cutting tool

#12

20150093207

2015-04-02

Deep hole drill tool

#13

20140341667

2014-11-20

Drill body of indexable drill

#14

20140154022

2014-06-05

Drill head for deep hole cutting

#15

20130259588

2013-10-03

Hole drilling process, and drilling tool

#16

20130051944

2013-02-28

Guide pad

#17

20120121351

2012-05-17

DEEP HOLE DRILL

#18

20110280675

2011-11-17

Method for Forming Through-Hole

#19

20110268519

2011-11-03

Method for Forming Through-Hole

#20

20110079445

2011-04-07

Drill Head for Deep-Hole Drilling

#21

20110067927

2011-03-24

Drill Head for Deep-Hole Drilling

#22

20100178121

2010-07-15

Small-diameter deep hole drill and a micro deep hole drilling method

#23

20100158623

2010-06-24

Drill body as well as support pad therefor

#24

20100104385

2010-04-29

Deep Hole Cutting Apparatus

#25

20090297285

2009-12-03

DEEP HOLE DRILLING MACHINE

#26

20090123243

2009-05-14

METHOD FOR FORMING THROUGH-HOLE

#27

20090110501

2009-04-30

Cutting tool

#28

20090047080

2009-02-19

Deep Hole Drill

#29

20090016832

2009-01-15

Drill

#30

20070172323

2007-07-26

Drill, and drilling method

#31

20070110529

2007-05-17

Deep hole drill

#32

20070065243

2007-03-22

Deep hole drill

#33

20060099042

2006-05-11

Deep hole boring drill

#34

20060037783

2006-02-23

Deep hole boring head and deep hole boring method for boring a production piece

#35

20050244237

2005-11-03

Deep hole drill

#36

20050244236

2005-11-03

Deep hole drill

#37

20050025594

2005-02-03

Edge-carrying drill body having an internal chip-removal channel