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)
12/1999
12/15/1999EP0504424B1 Hard material clad with diamond, throwaway chip, and method of making said material and chip
12/14/1999US6000887 Stiff drill
12/08/1999CN1047119C Tool bit and tool bit chuck for manually operated tools
12/07/1999US5997222 Externally indexing countersink pilot guide
12/07/1999CA2160043C Drilling unit with hollow annular drill bit and central drill
12/01/1999CN1046879C Apparatus on hand working mechanism for clamping tool and used tool
11/1999
11/30/1999US5993119 Drill having cooling channel and chip flutes
11/30/1999US5992546 Tungsten carbide
11/25/1999DE19859885A1 Drilling tool manufacturing process for stone-drilling bit
11/24/1999EP0958875A1 Apparatus for machining holes
11/24/1999EP0958083A1 Adaptor for rotating tools
11/23/1999US5988956 Hole cutter
11/23/1999US5988955 Lug nut taper trueing tool
11/23/1999US5988953 Two-piece rotary metal-cutting tool and method for interconnecting the pieces
11/18/1999DE19821270A1 Futter für drehantreibbare Werkzeuge, insbesondere Bohrer, Gewindebohrer o. dgl. Feed for rotatably drivable tools, in particular drills, taps o. The like.
11/17/1999EP0956920A1 Chuck for rotary tools, specially drills, taps and others
11/17/1999CN1235568A Tool for chip removing machining
11/11/1999WO1999056902A1 Cutting tool assembly and cutting insert therefor
11/09/1999US5980169 Brad point drill bit
11/09/1999US5980166 Rotary tool with shank
11/03/1999EP0953396A1 Tap
11/03/1999CN2346528Y Fillet steady rod device
11/02/1999US5975815 Drilling tool
11/02/1999US5974641 Method of shaping a muzzle-loading firearm barrel
10/1999
10/27/1999EP0951375A1 Holesaw
10/27/1999EP0687209B1 Deburring tool
10/27/1999CN2345306Y Water supply device of drilling machine
10/27/1999CN2345305Y Special drilling bit
10/27/1999CN1232741A Punching tool
10/27/1999CN1232740A Drilling tool
10/26/1999US5971988 Device for chip removing machining
10/26/1999US5971676 Drill insert
10/26/1999US5971674 Deep hole drill bit
10/26/1999US5971673 Two-piece rotary metal-cutting tool and method for interconnecting the pieces
10/20/1999EP0950125A1 Method for making a diamond-coated member
10/20/1999EP0773847B1 Tool-bit holder
10/20/1999CN1045735C Drilling device having radially displaceable drill shank
10/19/1999US5967712 Cutting tool for machining bores in materials having spring-back
10/19/1999US5967711 Self-centering spade drill
10/19/1999US5967710 Drilling tool for drilling in solid metal
10/19/1999US5967709 Adaptor for rotating tools
10/19/1999US5967707 Short-hole drill bit
10/14/1999WO1999051408A1 Method and apparatus for repairing and/or decorating furniture
10/14/1999DE19915303A1 Drilling tool made of semi-finished material with different diameters at different sections e.g. for use in rock drilling machine
10/14/1999DE19815995A1 Drilling and/or grinding tool, for hard material and fine machining
10/13/1999EP0796161B1 Drilling tool with reset inserts
10/13/1999CN2342957Y Packaged curve drill
10/12/1999US5964553 Drilling tool with internal cavities for chip removal
10/07/1999WO1999050014A1 A drill
10/06/1999EP0947662A1 Hard metal plate and rock drill bit provided with such a plate
10/06/1999EP0674557B1 Cutting insert
09/1999
09/29/1999EP0843609B1 Boring tool, in particular drill
09/29/1999CN2340593Y Universal curved drill
09/29/1999CN2340541Y Rough boring tool with display of miniature cutting value of hole diameter
09/29/1999CN1229706A Boring tool
09/29/1999CN1229705A Boring appts.
09/28/1999US5957635 Drill tool assembly
09/28/1999US5957634 Quick change drill extender system
09/28/1999US5957633 Multiple function inserts for port cutting tool
09/28/1999US5957631 Cutting tool assembly and a replaceable cutting head for use therein
09/28/1999US5957630 Boring tool assembly
09/23/1999DE19811887A1 Hammerbohrwerkzeug Hammerbohrwerkzeug
09/22/1999EP0943780A2 Drilling tool
09/22/1999EP0943779A2 Percussive drilling tool
09/22/1999CN2339375Y Zhiluo driller
09/22/1999CN2339374Y Straight-runing flat-wing driller
09/22/1999CN1229375A Tool coupling and method for coupling two tool parts
09/21/1999US5954463 Reversible drill driver tool
09/21/1999US5954459 Throwaway inserts and throwaway drill
09/21/1999US5954347 Tool holder and tool for drilling and striking machine tool
09/16/1999WO1999046075A1 Improved self-centering spade drill
09/16/1999DE19810912A1 Saug- und Austraggerät für eine Spülflüssigkeit Suction and dispensing a washing liquid
09/16/1999DE19810911A1 Bohrwerkzeug Drilling tool
09/16/1999DE19810910A1 Bohrgerät Drill
09/16/1999DE19810193A1 Bohrwerkzeug Drilling tool
09/16/1999DE19810192A1 Bohrwerkzeug Drilling tool
09/15/1999EP0941828A2 Liquid dispersing and suction device
09/15/1999EP0941802A2 Drilling apparatus
09/15/1999EP0941795A2 Complex cutting-blade tool and machining method using same
09/15/1999EP0941794A2 Drilling tool
09/15/1999EP0941793A2 Drilling tool
09/15/1999EP0941792A2 Drilling tool
09/15/1999EP0941791A2 Abrasive body
09/15/1999EP0764068B1 Method and apparatus for making a longitudinal hole in a pipe
09/14/1999US5950738 Inverted cone cutter attachment for ice auger
09/10/1999WO1999044777A1 Material boring with self-propelled rotary cutters
09/09/1999DE19901660A1 Cutting tool e.g. end milling tool
09/08/1999EP0643567B1 Surgical drill and method of treating surgical drill
09/07/1999US5947660 Tool for cutting machining
09/07/1999US5947659 Drill bit
09/07/1999US5947654 Drill/countersink nosepiece assembly
09/07/1999US5947653 Helix drill having coolant channels and helical chip flutes
09/02/1999WO1999043460A1 Milling cutter
09/01/1999CN1227515A Hole saw
09/01/1999CN1044874C 切削镶刀 The cutting insert
08/1999
08/31/1999US5944462 Hole cutting tool for chamfering and grooving
08/31/1999US5944460 Annular hole cutter
08/31/1999US5944245 Device for fusing shank and cutting edge of bit
08/26/1999DE19905129A1 Drilling tool with scraping attachment for use with painted panels requiring earthing
08/26/1999DE19807429A1 Precision boring bit with two cutting edges
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