Patents for B23B 51 - Tools for drilling machines (12,490)
07/1997
07/17/1997DE19545084C1 Rotating cutting tool for machining soft and hard materials
07/16/1997EP0674559B1 Cutting insert
07/15/1997US5647131 Deburring and scraping tool
07/02/1997EP0781184A1 Drilling tool
07/02/1997EP0781183A1 Support pad for drill
07/02/1997EP0417302B1 Nitrogen-containing cermet
06/1997
06/25/1997CN2256785Y Round hole drill
06/24/1997US5641251 All-ceramic drill bit
06/24/1997US5641028 Drill bit with debris conveying flute
06/18/1997CN1152269A Drilling tool with internal cavities for chip removal
06/17/1997US5639194 For drilling and milling operations
06/17/1997US5639193 Cylindrical cutter
06/11/1997EP0778108A1 Drilling tool
06/10/1997US5636948 Drill for synthetic fiber filled plastic and like materials
06/10/1997CA2192285A1 Drill bit
06/04/1997EP0776727A1 Rotating shaft tool
06/04/1997EP0776721A1 Drilling tool assembly and its centre drill and cup shape drill
06/04/1997EP0674560B1 Drill with interchangeable cutting insert
06/03/1997US5634747 Spiral drill with coolant channels and method to manufacture a spiral drill
05/1997
05/29/1997WO1997019271A1 Steady pin for jointing wood parts and its manufacturing and assembling process
05/29/1997WO1997018917A1 Undercutting drills
05/28/1997EP0775560A2 Wood working drill bit
05/28/1997EP0775547A1 Drill Insert
05/28/1997CN2254794Y Cutting blade for formation of countersinking of hexagonal screw and its hole-neck by single processing
05/28/1997CN1150771A Drilling tool with rounded insert support surfaces
05/21/1997EP0773851A1 Hole saw having plug ejection feature
05/21/1997EP0773848A1 Tool-bit holder and method of manufacturing same
05/21/1997EP0773847A1 Tool-bit holder
05/21/1997EP0688253B1 Rotary cutter
05/20/1997US5630681 Cutting insert with perpendicular ridges having transverse ribs for chip guiding
05/15/1997WO1997017153A1 Drilling tool with replaceable bit
05/15/1997DE19543233A1 Bohrwerkzeug mit auswechselbarer Spitze Drilling tool with replaceable tip
05/14/1997EP0773375A1 Processing method for connecting rod
05/13/1997US5628837 Cutting tool
05/06/1997US5626446 Flat drill bit with opposing vertical cutting edges
05/01/1997WO1997015413A1 Hole saw
04/1997
04/30/1997CN1148533A Drill bit with debris conveying flute
04/29/1997US5624213 Hole producing assembly
04/24/1997WO1997014526A1 Adaptor for rotating tools
04/23/1997CN2252671Y Positioning anti-skid straight handle twist drill
04/22/1997US5622462 Twist drill bit
04/22/1997US5622461 Drill and cutting insert therefor
04/16/1997EP0768136A1 Tool with backwards oriented cooling holes
04/16/1997CN1147779A Drill and cutting insert therefor
04/15/1997US5620284 Cutting tool
04/10/1997WO1997012712A1 Rotary tool with shank
04/03/1997WO1997011806A1 Fastening arrangement for cutting inserts and a cutting insert intended for such an arrangement
04/02/1997EP0765202A1 Drilling tool with internal cavities for chip removal
04/02/1997EP0765201A1 Drilling tool with rounded insert support surfaces
04/02/1997EP0687208B1 Drill, particularly for inserting a dental implant
04/02/1997CN2250829Y Multifunctional bit of electric drill
04/01/1997US5615981 Forming threaded holes
03/1997
03/27/1997WO1997011346A1 Wood corer device
03/26/1997EP0764068A1 Method and apparatus for making a longitudinal hole in a pipe
03/19/1997EP0763649A1 Cutting portion of a drill bit
03/18/1997US5611251 Method for making inserts for cutting tools
03/18/1997CA2086964C Insert and insert support bar
03/18/1997CA2086963C Insert spacer assembly
03/12/1997EP0761927A1 A masonry drill bit
03/12/1997EP0761353A1 Drill bit
03/12/1997EP0761352A1 A roll-forged drill bit
03/12/1997EP0625080B1 Precision twist drill
03/11/1997US5609447 Surface decarburization of a drill bit
03/11/1997US5609446 Combination tool
03/06/1997DE19532462A1 Tool with shaft and tip element
03/04/1997US5607266 Speed reducer assembly
02/1997
02/27/1997WO1997006913A1 Drilling tool
02/27/1997DE19632784A1 Drill bit
02/26/1997EP0758935A1 Drill and cutting insert therefor
02/26/1997CN1143551A Drilling tool, particular for metallic materials
02/20/1997WO1997006338A1 Cutting tool for drilling concrete, aggregate or masonry
02/20/1997WO1997005987A1 Method of providing a rotating cutting tool with lubricating coolant, and tool and tool-holder for carrying out the method
02/20/1997CA2232333A1 Method of providing a rotating cutting tool with lubricating coolant, and tool and tool-holder for carrying out the method
02/19/1997EP0758279A1 Machining tool
02/19/1997CN2247575Y Edge of round hole tool for drilling machine
02/19/1997CN1142997A Drilling tool
02/13/1997WO1997004908A1 Drill bit
02/12/1997EP0757604A1 Rotary tool, in particular a drill bit
02/12/1997CN2247069Y Hand electric drill and special centralizer
02/11/1997US5601386 Cutter body including cutting fluid gland
02/06/1997WO1997003792A1 Drill with cooling-lubricant channel
02/06/1997CA2226754A1 Drill with cooling-lubricant channel
02/05/1997CN1141832A Internal-cooling bit of drill
02/04/1997US5599145 Drill with interchangeable cutting insert
02/04/1997US5599144 Low friction flute tungsten carbon microdrill
01/1997
01/28/1997US5597274 Hole cutter
01/28/1997US5597273 Dual direction countersink
01/15/1997CN1140113A Drilling tool
01/14/1997US5593256 Eliminating hinged drill caps
01/09/1997WO1997000749A1 Improved hole cutting tools
01/08/1997EP0751851A1 Rotary tool with balancing rings
01/08/1997CN2244446Y Internal cooling flat drill capable of toe index linking
01/07/1997US5590987 Precision twist drill bit
01/02/1997EP0750960A1 Drill, particularly for metallic materials
01/02/1997DE19521993A1 Werkzeughalter und Werkzeug für eine Bohr- und/oder Schlagwerkzeugmaschine Tool holder and tool for drilling and / or percussion machine tool
12/1996
12/27/1996EP0749795A1 Drilling tool
12/27/1996EP0749794A1 Drilling tool
12/24/1996US5586847 Power tool adapter
12/24/1996US5586605 Multi-wall tie apparatus
12/19/1996WO1996040461A1 Masonry drill bit