Patents for B23B 51 - Tools for drilling machines (12,490)
07/1998
07/29/1998EP0681517B1 Tool for extracting broken bolts and the like
07/28/1998US5785522 Method of treating surgical drill, surgical drill and use of surgical drill
07/28/1998US5785468 In the chuck of a powered drill
07/23/1998DE19702053A1 Drilling machine for opening holes in plaster layer of wall
07/22/1998EP0853999A1 Rotary tool with shank
07/22/1998EP0853521A1 Masonry drill bit
07/21/1998US5782589 Milling cutter
07/21/1998US5782588 For making a larger hole in a workpiece
07/21/1998US5782587 Drilling tool
07/15/1998EP0852979A1 Throwaway inserts and throwaway drill
07/15/1998EP0699119B1 A cutting insert
07/14/1998US5779404 For use with a powered drill
07/08/1998EP0852169A2 Drill with coolant channels and method for its manufacture
07/08/1998CN1187154A Masonry drill bit and mosaic method
07/08/1998CA2226035A1 Throwaway inserts and throwaway drill
07/07/1998US5775853 Machining method and multi-function tool
07/07/1998US5775445 Drilling unit with hollow annular drill bit and central drill
07/02/1998WO1998028099A2 Tool for fine machining boring surfaces
07/01/1998EP0850119A1 Device for deburring bore edges
07/01/1998CN2285177Y Electroplating lamination diamond bit
06/1998
06/30/1998US5772375 Multi-wall tie apparatus and method
06/25/1998WO1998026890A1 Holesaw
06/25/1998DE19654597A1 Especially low cost rotary coring drill without spirals for cuttings, used with or without percussion
06/25/1998DE19654421A1 Messerplatte für ein Werkzeug zur spanabhebenden Feinbearbeitung Cutter insert for a tool for chip-removing fine machining
06/23/1998US5769574 Method and apparatus for precision boring of pocket-holes
06/18/1998DE19652505A1 Rotary tool designed to perform several different functions
06/17/1998CN2284111Y Steel pipe pore opening device
06/16/1998US5765973 Adapted for the deburring of inner and outer rims of holes
06/16/1998CA2191176C Method and apparatus for forming a hole in a workpiece
06/10/1998EP0846835A2 Concrete- or rock drill bit with helical evacuation grooves
06/10/1998EP0846038A1 Drilling tool
06/10/1998CN2283538Y Expansion and reaming compound tool with back guide drill for farm diesel engine
06/10/1998CN1184012A Elongated drill with replaceable cutting inserts
06/03/1998EP0561957B1 Cold headed center vacuum drill bit
06/03/1998CN2282951Y Drilling bit with compound taper
06/03/1998CN1183742A Tool for cutting machining
06/02/1998US5758997 Self-centering indexable drill
06/02/1998US5758994 Cutting insert
05/1998
05/28/1998WO1998022637A1 Method for making a diamond-coated member
05/28/1998DE19648971A1 Drill
05/27/1998EP0843788A1 Securing component and method of anchoring it
05/27/1998EP0843772A1 Cutting tool for drilling concrete, aggregate or masonry
05/27/1998EP0843609A1 Method of providing a rotating cutting tool with lubricating coolant, and tool and tool-holder for carrying out the method
05/27/1998CN1038487C Device for producing drilled holes with undercut
05/26/1998US5755538 Deburring tool
05/19/1998CA2053461C Cutting tool
05/14/1998WO1998019814A1 End face mounted insert
05/14/1998WO1998019813A1 Tool for chip removing machining
05/14/1998DE19734094A1 Drill bit for boring into masonry especially concrete
05/14/1998DE19734093A1 Drill bit for boring into masonry especially concrete
05/13/1998EP0841515A2 Drill
05/13/1998EP0841115A1 Elongated drill with replaceable cutting inserts
05/13/1998EP0840659A1 Drill bit
05/07/1998WO1998018587A2 Continuous extrusion process and device for rods made of a plastic raw material and provided with a spiral inner channel
05/06/1998EP0839082A1 Drill with cooling-lubricant channel
04/1998
04/30/1998WO1997029876A3 High precision cutting tools
04/30/1998DE19644447A1 Verfahren und Vorrichtung zur kontinuierlichen Extrusion von mit einem wendelförmigen Innenkanal ausgestatteten Stäben aus plastischem Rohmaterial Method and apparatus for continuous extrusion of equipped with a helical inner channel bars of plastic raw material
04/29/1998CN2279972Y Joint for steel pipe or tube
04/28/1998US5743682 For enlarging an existing hole in a work piece
04/22/1998EP0836919A1 A drill bit
04/22/1998CN1179377A Tool bit jointing device
04/21/1998CA2012678C Trepanning tool
04/15/1998EP0796162B1 Drilling tool for drilling in solid metal
04/07/1998US5735650 Drill bit for drilling an undercut hole
04/07/1998US5735648 Tool bit with carrier member and cutting member
04/07/1998US5735645 Rotary cutting device
03/1998
03/31/1998US5733074 Manual tool for removing material from brittle and/or non-ductile stock
03/25/1998EP0830225A1 Improved tool holding device incorporating a solid film lubricant
03/25/1998CN1177312A Spade-type boring bit and associated method and apparatus for forming metallic parts
03/19/1998WO1998010881A1 Tool for cutting machining
03/18/1998CN2276386Y Unregrind centre cooling bit
03/17/1998US5727910 Milling and drilling tool
03/12/1998WO1998009758A1 Rotary cutting tool having composite cutting edge and machining method using the tool
03/12/1998WO1998009756A1 Chuck adapter sleeve for a twist drill
03/12/1998DE19737807A1 Cutter for drilling cylinder heads in engines
03/11/1998EP0827797A1 Tool for the working of surfaces with holes
03/11/1998CN1175497A Keyseat straight-blade woodworking drill
03/10/1998US5725338 Drill bit having a hemispherical head with an evolutive cut
03/10/1998US5725337 Self centering spade drill
02/1998
02/26/1998WO1998007539A1 Cutting insert for drilling and drill
02/26/1998WO1998007538A1 Expansion clamping chuck
02/26/1998DE19736282A1 Tool and cutting insert for drilling solid materials
02/19/1998WO1998006527A1 Hole saw
02/12/1998WO1998005458A1 Masonry drill bit
02/11/1998EP0701497B1 Stock-removing tool, in particular drill or milling cutter
02/10/1998US5716172 Drill
02/10/1998US5716171 Deburring tool
02/10/1998US5716170 Diamond coated cutting member and method of making the same
02/10/1998US5716057 Chuck for use with a manual or powered driver
02/04/1998EP0690758A4 Surface decarburization of a drill bit having a refined primary cutting edge
01/1998
01/28/1998EP0820826A1 Extension adaptor for working tool
01/21/1998EP0819034A1 Device for machining
01/21/1998CN1171071A Cutting insert having chipbreaker for thin chips
01/15/1998WO1998001252A1 Combined cross-head screwdriver and countersinking tool
01/15/1998WO1998001251A1 Device for deburring bore edges
01/15/1998DE19729797A1 Drill and drill head
01/14/1998EP0818264A1 Tool and method for deburring
01/14/1998EP0818263A1 Drill entirely made of hard metal
01/14/1998EP0817694A1 Cutting tool
01/06/1998US5704745 Chuck sleeve insert for a drill