Patents
Sitemap › B23 - Machine tools; Metal-working not otherwise provided for › B23B - Turning; Boring › B23B 51 - Tools for drilling machines
Patents for B23B 51 - Tools for drilling machines (12,490)
12/1996
12/19/1996WO1996040459A1 Improved tool holding device incorporating a solid film lubricant
12/19/1996CA2222772A1 Improved tool holding device incorporating a solid film lubricant
12/19/1996CA2221617A1 Masonry drill bit
12/17/1996US5584617 Single flute drill for drilling holes in printed circuit boards and method of drilling holes in a printed circuit board
12/04/1996CN2241596Y Saw-type trepanning drill
12/03/1996US5580196 Wear resistant tools
11/1996
11/27/1996EP0744570A1 Shut-off valve for a conduit under pressure
11/21/1996WO1996036451A1 Carbide spade-type drill bit
11/20/1996EP0743142A1 Reversible drill/driver tool
11/07/1996WO1996034714A1 Tool for cutting machining
11/07/1996DE19516146A1 Tool for milling holes in plastic pipes
11/05/1996US5570978 High performance cutting tools
10/1996
10/29/1996US5569002 Hollow annular drill bit with hollow cylindrical carrier member
10/24/1996DE19613772A1 Machining head with oblong rotary tool
10/23/1996EP0738555A1 Drilling device for making undercut holes
10/10/1996WO1996031307A1 Device for machining
10/08/1996CA2095602C Cold headed center vacuum drill bit
10/03/1996WO1996030148A1 Cutting tool
10/03/1996CA2223587A1 Cutting tool
10/02/1996EP0734803A2 Rotating tool and toolhead used in such a tool
10/02/1996EP0734300A1 Guide element for a cutting tool
10/02/1996EP0734299A1 Milling and boring tool
10/02/1996DE19512042A1 Device for removing broken drills from bores
10/02/1996DE19511829A1 Cutting tool, esp. drill, milling tool, tap drill, reamer or chamfering drill - has cutting part coated with sliding layer of lesser hardness than base layer of cutting part giving improved tool life at higher cutting speeds
10/02/1996DE19511828A1 Cutting tool, esp. drill, milling tool, tap drill, reamer or chamfering drill
10/02/1996CN2236377Y Drill tip for piling
10/02/1996CN1132135A Tool having tool-post and bit tool
09/1996
09/24/1996US5558478 Device for transferring a torque to a tool in a hand tool apparatus
09/24/1996CA2019686C High feed rate deep penetration drill
09/18/1996EP0732164A1 Drilling tool, particularly for percusive drilling of stone
09/18/1996CN2235347Y Combination cutting tool
09/18/1996CN2235346Y No grind drilling machine with central cooling
09/17/1996US5555784 Lathe tool
09/12/1996WO1996027469A1 Drilling tool
09/11/1996CN2234836Y Spiral drill rod
09/10/1996US5553682 Rock drill
09/05/1996DE19605157A1 Drilling tool with interchangeable point
09/05/1996DE19507213A1 Drill bit carrier with replaceable cutting edges also includes improved pilot drill for accuracy
09/04/1996EP0729803A1 Drill with coolant channels and method for its manufacture
09/04/1996EP0729802A1 Drill bit for drilling an undercut hole
08/1996
08/28/1996EP0681517A4 Tool for extracting broken bolts and the like.
08/28/1996CN1129635A Hollow boring bit with hollow cylinder support
08/27/1996US5549975 Coated tool and cutting process
08/22/1996DE19505111A1 Rotary hole cutter for e.g. fuel tanks dropping neither cuttings nor discs inside
08/13/1996US5544989 Apparatus for making a drilled hole with an undercut
08/07/1996CN1128201A Drilling power head with hollow drill and fixing core drill
08/06/1996US5542797 Tool bit and tool bit chuck for manually operated tools
07/1996
07/30/1996US5540527 Drilling device having a radially displacable drill shank
07/30/1996CA2010648C Drill
07/25/1996DE3745046C2 Torque coupling e.g. for hand held electric impact drill
07/24/1996EP0722801A2 Improvements in drills
07/24/1996EP0722798A1 Annular cutter connecting apparatus and annular cutter
07/24/1996EP0699119A4 A cutting insert
07/24/1996CN2231586Y Spiral groove drill for processing shaped holes
07/24/1996CN1127179A Drilling tool
07/11/1996WO1996020803A1 A spade-type boring bit and an associated method and apparatus for forming metallic parts
07/11/1996WO1996020802A1 Cutting insert having a chipbreaker for thin chips
07/11/1996CA2166929A1 Drill and countersink assembly and method
07/10/1996EP0720890A1 Hand tool for the removal of material from brittle and/or non ductile materials
07/04/1996DE3991666C2 High-speed burnishing drill
07/03/1996EP0719196A1 Die chuck for rotary tools
06/1996
06/26/1996EP0617649B1 Deep-boring drill
06/25/1996US5529445 Tool bit and tool chuck for manually operated tools
06/25/1996US5529444 Tool bit and tool bit chuck for manually operated tools
06/25/1996US5529443 Wire feeding apparatus
06/20/1996WO1996018472A1 Drilling tool for drilling in solid metal
06/20/1996WO1996018471A1 Drilling tool with reset inserts
06/19/1996CN2229320Y Rotary structure of tool for drilling machine and angle design and arrangement of tool
06/12/1996CN1124474A A cutting insert
06/05/1996EP0715055A2 A tool with a holder and cutting element
05/1996
05/29/1996EP0713740A1 Drilling tool
05/29/1996EP0553124B1 Device for hand machine-tools
05/28/1996US5520569 Cutter and a rotary cutter apparatus
05/28/1996US5520488 Tool bit and tool bit chuck for manually operated tool
05/28/1996CA2062090C Composite cutting insert
05/23/1996WO1996014954A1 Boring tool
05/23/1996DE4441275A1 Zentrierbohreinsatz für ein Hohlbohrwerkzeug Zentrierbohreinsatz a hollow drilling tool
05/22/1996EP0712343A1 Twist drill
05/21/1996US5518345 Tool bit and tool bit chuck for manually operated tools
05/09/1996WO1996013364A1 Rotating boring tool
05/09/1996WO1996013352A1 Method of machining composites
04/1996
04/25/1996DE4437542A1 Drill for conical holes
04/23/1996US5509762 Drill bit centering device
04/23/1996US5509761 Drill
04/18/1996WO1996011079A1 Drill with a drill point part
04/17/1996EP0706870A1 Tubular saw
04/17/1996EP0706846A1 Drill unit with tubular drill and pilot drill
04/17/1996EP0569451B1 Indexable insert drill and an insert with a symmetrical drill point and cutting edges of different lengths
04/17/1996CN1120488A Drilling device for producing drilled holes with an undercut
04/16/1996US5507606 Back spotfacing tool
04/11/1996DE4435857A1 Bohrer mit einem Bohrspitzenteil Drill with a drill point
04/10/1996CN2224208Y Drill bit of converter maintenance machine
04/09/1996US5505571 Manually operated device with a tip for material processing
04/03/1996EP0704266A1 Drilling device for making undercut hole in workpieces
04/02/1996US5503509 Cutting insert and drilling tool for drilling in solid materials
04/02/1996US5502936 Anchor and method and system for securing same
03/1996
03/27/1996EP0703030A1 Rotary tool
03/27/1996CN2223159Y Fluted twist jack drill
03/26/1996US5501554 Deburring tool
03/26/1996US5501020 Fastener and drill bit gauge
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