Patents for B23G 5 - Thread-cutting tools; Die-heads (2,080)
09/1993
09/21/1993CA1322264C Thread milling cutter
08/1993
08/25/1993EP0556801A1 Coolant/lubricant feeding device for a rotating tool with a shaft
08/10/1993US5234293 Screw tap with predetermined protective rupture of release point
08/05/1993DE4220487A1 Demountable dowel connection for use with concrete and stone - has internally threaded dowel bore for externally threaded dowel
08/04/1993EP0553907A1 Thread forming screw and method of forming an internal thread in a low ductility material
08/04/1993CN2139491Y Tap tapping safety device
07/1993
07/27/1993US5230590 Indexable insert for thread cutting and slotting
06/1993
06/29/1993US5222847 Tap
06/16/1993CN2136094Y Cutting and extruding tap
05/1993
05/26/1993CN2134251Y Composite tap stock and die
05/19/1993EP0542056A1 Cutting tool, specially thread milling cutter
04/1993
04/21/1993EP0302915B1 Combined hole making and threading tool
04/21/1993EP0265445B1 Combined hole making and threading tool
04/20/1993US5203648 Indexable insert for thread cutting and slotting
04/08/1993DE4208515C1 Tool to manufacture threads in holes - has shaft and workpiece which are formed into at least two threaded work sections
04/06/1993US5199928 Threading machine die head
03/1993
03/30/1993US5197832 Tool for removing corrosion/buildup from internal machine threads
03/03/1993CN2127645Y Thread tap
02/1993
02/17/1993CN1068986A Anti-breaking screw tap
02/04/1993DE4108819A1 Special thread chaser for inside and outside threads - operates using cutting tool made in two parts which are axially adjustable
12/1992
12/30/1992CN2126129U Multi-flute tap
11/1992
11/18/1992CN2122027U Multifunctional tapping device
11/04/1992CN2120650U Tap holder
10/1992
10/27/1992US5158404 Taper thread cutting machine and method
10/07/1992CN2117965U Automatic adjustment tap
10/06/1992US5152642 Metal injection molded rotary metal cutting tool
09/1992
09/17/1992DE4108691A1 Threading die with built-in guide bush - is made integral with die body and having recess for lead-in section on cutting thread
09/09/1992CN2115169U Lock nut screwing tap
09/01/1992US5143492 Device and tool bit for cutting all known types of threads (except buttress thread) in one single work process
08/1992
08/12/1992CN2112467U Adjustable thread length tool for tapping and sleeving
07/1992
07/07/1992US5127776 Tap with relief
06/1992
06/23/1992US5123793 Tapered locking nut
05/1992
05/14/1992WO1992007678A1 Apparatus and method for stripping and tapping cylinder heads for helicoils
05/12/1992US5112168 Tap with tapered thread
05/12/1992US5112162 Thread milling cutter assembly
04/1992
04/29/1992CN2102814U Prismatic screw tap
04/02/1992WO1992004997A1 Component with threaded hole
03/1992
03/24/1992US5098232 Thread cutting tool
03/18/1992EP0475812A1 Tap
03/18/1992EP0474780A1 Indexable insert for thread cutting and slotting.
03/18/1992EP0474774A1 Indexable insert for thread cutting and slotting.
02/1992
02/18/1992US5088861 Threadmilling tool
01/1992
01/14/1992US5080538 Method of making a threaded hole
01/09/1992DE4019427A1 Thread cutting tool for use with machine tool - has axial hole and longitudinal grooves for flow of cooling medium
01/02/1992DE4019428A1 Tool-bit for machine tool - has cooling medium supplied to cutting edges via flat on tool body
12/1991
12/18/1991CN2090747U Single solenoid big-pitch tap
12/11/1991EP0460517A2 Method for renewing a screwthread
10/1991
10/23/1991CN2087112U Thread tap in british system
10/23/1991CN2087111U Adjustable tap
10/09/1991CN1014216B Method and apparatus for thread mill drilling
10/02/1991DE4010075A1 Combined drilling, milling, threading and chamfering tool - has reduced section nearest shank with chamfer cutting edges at each end
09/1991
09/10/1991US5046905 Winged drill screw
08/1991
08/08/1991DE4003257A1 Machine thread-tapping tool - has radial outlet from coolant drilling inside deflecting bush on stem
08/06/1991US5037251 Thread tap
07/1991
07/31/1991EP0439317A2 Threading insert
07/30/1991US5035019 Cold-forming tap
07/25/1991DE4001483A1 Tapering thread tapping tool - has teeth clearance angle constant or increasing towards rear along tapering portion
07/24/1991EP0438070A2 Tap with conical thread
07/24/1991EP0438069A2 Tap with undercutting
07/23/1991US5033919 Stabilized tap with air release
07/09/1991CA1285798C Groove point screw
06/1991
06/19/1991EP0432621A2 Thread milling cutter
06/05/1991EP0429917A2 Method for producing a threaded hole
05/1991
05/14/1991US5014411 Method of forming a locking nut and locked threaded connection
05/14/1991CA1284005C Method of making a threaded insert assembly and product
04/1991
04/25/1991DE3934907A1 Combination drilling, tapping and chamfering tool - has only one flute and single cutting edges for drilling and tapping
04/24/1991CN1012422B Screwtap with relieving back and leap over teeth
04/02/1991CA1282230C Spindle driver for machine tools
01/1991
01/31/1991DE3923029A1 Die box with automatic screwed length control - has axial control rod forced back by work to disengage clutch at correct thread length
01/30/1991CN2070217U Hand thread guide screwtap
01/30/1991CN2070214U Composite drill
01/16/1991CN2069324U Improved high-efficiency tap
01/10/1991DE3925506C1 Machine tap with spiral flutes - is made to specified geometry for prodn. of blind threaded bores in steel giving continuous chips
01/10/1991DE3921734A1 Internal thread milling cutter - has replaceable inserts permitting combined machining of core diameter and thread form
01/09/1991EP0407093A1 Winged drill screw
12/1990
12/18/1990CA1277810C Thread cutting tools
12/13/1990WO1990014930A1 Indexable insert for thread cutting and slotting
12/13/1990WO1990014916A1 Indexable insert for thread cutting and slotting
11/1990
11/14/1990CN2065528U Concentric position thread die frame
11/14/1990CN2065527U Hand thread die head with built-in centering chuck
11/14/1990CN2065526U Pipe type thread cutting tool and bolt die
11/06/1990US4968190 Method of cutting threads
10/1990
10/10/1990EP0391051A2 Taper thread cutting machine and method
10/07/1990CA2010626A1 Taper thread cutting machine and method
09/1990
09/26/1990CN2062664U Screwing tool for through-hole
09/25/1990CA1274410A1 Fastener
08/1990
08/22/1990CN2060708U Novel pipe tongs
07/1990
07/24/1990US4943191 Drilling and thread-milling tool and method
06/1990
06/27/1990CN2058628U Tap with a guiding means
06/19/1990US4934040 Spindle driver for machine tools
06/13/1990EP0302915A4 Combined hole making and threading tool.
06/05/1990US4930949 Thread milling cutter
05/1990
05/22/1990US4927302 Threading device
05/02/1990EP0366047A2 Grooving or threading tool
04/1990
04/26/1990DE3932522A1 Thread-tapping tool - delivers coolant into chamber behind chuck for discharge via chuck slots on central drilling
04/24/1990US4919035 Muzzle brake and tool for installation
04/19/1990DE3835496A1 Method and arrangement for making tapped through-holes by machine
04/18/1990EP0363483A1 Threading die
04/18/1990CN2056104U Tapping-head for rolled thread
04/11/1990CN2055759U Antiaskewing tap
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