| Patents for B23B 41 - Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor (5,345) |
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| 11/23/1994 | EP0625394A1 Apparatus for drilling long pieces of wood |
| 11/02/1994 | EP0622144A1 Milling cutter and drilling device, for drilling holes in pipes |
| 11/02/1994 | CN2181350Y Combined deep-boring machine |
| 10/26/1994 | CN2180371Y Numerical control deep hole high speed drilling machine |
| 10/04/1994 | US5351942 Clamp apparatus used in hole machining device |
| 09/29/1994 | WO1994021409A2 Forming threaded holes |
| 09/29/1994 | DE4309941A1 Tapping fitting |
| 09/28/1994 | CN2178153Y Boring tool for connecting rod of internal combustion engine |
| 09/27/1994 | US5350259 Portable boring machine |
| 09/13/1994 | US5345964 Pipe piercing fitting and valve |
| 09/08/1994 | DE4307074A1 Installation for the machining of structural-steel section girders by sawing and boring |
| 08/23/1994 | US5340244 Tapping assembly |
| 08/18/1994 | WO1994017944A1 HAND TOOL FOR MAKING HOLES IN e.g. FIBRE-REINFORCED COMPOSITES, BY MEANS OF AN ORBITALLY MOVING CUTTER |
| 07/26/1994 | US5332340 In a printed circuit board drilling machine |
| 07/26/1994 | CA2043490C Method and apparatus for machining a differential carrier |
| 07/13/1994 | EP0605765A1 Automatic drilling machine |
| 07/12/1994 | CA2000054C Drilling device for producing drill holes with an undercut |
| 06/21/1994 | US5322985 Method for boring small holes in substrate material |
| 06/16/1994 | DE4244741A1 Assembly device for protective sleeve in water pipe - has spindle in axial setting rod with guide sleeve at centre bore box with protective sleeve on sleeve ends |
| 05/31/1994 | US5316419 Device for making a drilled hole with an undercut |
| 05/31/1994 | US5315904 Apparatus for cutting inner circumferential surface of thick walled small diameter pipe |
| 05/26/1994 | DE4309924C1 Fitting for gas or water mains pipe to allow connection of branch supply pipe - comprises brass body with unions connected to plastic pipes and rubber jacket enclosing body including connections to plastic pipes. |
| 05/26/1994 | DE4239573A1 Branch fitting with valve for tapping into pipe under fluid pressure - has single housing with integral valve fittings that remain same for all pipe sizes and materials |
| 05/18/1994 | CA2079244A1 Boring bar support apparatus |
| 05/03/1994 | US5308198 Method and apparatus for drill length compensation |
| 04/26/1994 | CA1328750C Clamping mechanism for an apparatus for drilling or countersinking holes in a workpiece |
| 04/14/1994 | WO1994007634A1 Tapping assembly |
| 04/06/1994 | EP0590283A1 Supplementary apparatus for machine tools |
| 03/24/1994 | DE4231684A1 Computer-controlled machining unit for profiles - has drill bits replaceable by milling tools |
| 03/23/1994 | EP0358696B1 Plate working machine |
| 03/22/1994 | CA1327902C Method and apparatus for self-adjusting boring bar |
| 02/23/1994 | CN2156971Y Pneumatic drilling and countersinking machine |
| 02/15/1994 | US5286144 Apparatus and method for cutting a hole in a pipe liner |
| 02/10/1994 | DE3546802C2 Plastics pipeline sealing arrangement |
| 02/09/1994 | CN1023690C Technology and apparatus for processing injection hole on injection nozzle |
| 02/08/1994 | CA1326895C Boring apparatus |
| 02/02/1994 | EP0581411A2 Drilling method and apparatus using variable dwell times |
| 01/19/1994 | CN2153429Y 连杆轴瓦精镗装置 Connecting rod bearing fine boring device |
| 01/18/1994 | CA1326145C Portable line boring machine |
| 01/18/1994 | CA1326114C Method of and apparatus for thread mill drilling |
| 01/12/1994 | CN2152623Y Deep taper hole boring machine |
| 01/12/1994 | CN2152622Y Automatic rail drilling machine |
| 12/29/1993 | CN2150949Y Shaft sleeve boring machine with declined head |
| 12/23/1993 | WO1993025759A1 Machine for making hole in railway rail |
| 12/08/1993 | EP0572817A1 Fitting with drill and valve |
| 12/08/1993 | EP0572540A1 Arrangement for driving a rotary tool. |
| 11/24/1993 | EP0570448A1 Drilling printed circuit boards and entry and backing boards therefor. |
| 11/17/1993 | CN1078421A Device for producing drilled holes with an undercut |
| 11/11/1993 | DE4214748A1 Hole-cutting saw with teeth on hollow cylinder side - has centring drill in form of spirally threaded drill at its end protruding from hollow cylinder |
| 11/10/1993 | EP0568786A1 Drilling device for making holes with undercuttings |
| 11/02/1993 | US5258698 Method and device for controlling the working depth for a numerically controlled machine tool |
| 10/26/1993 | US5256010 Machine tool |
| 10/20/1993 | EP0565995A1 Method and device for detecting the position of a I-beam in a I-beam drilling machine |
| 10/20/1993 | CN2144036Y Hand drilling machine without stopping water |
| 10/13/1993 | EP0565341A2 Method for treating small holes in substrate material |
| 10/13/1993 | CN2143537Y Distance adjustable two speed reaming machine for radiator |
| 10/06/1993 | CN2143151Y Two-way vertical boring machine for brake disc and calliper |
| 09/30/1993 | DE4304954A1 Plastics fitting for tapping into plastic gas and water mains - has cutter bush that screws through sleeve insert to trepan hole in mains pipe and then functions as stop valve spool |
| 09/28/1993 | CA1322478C Main line tapping apparatus |
| 09/08/1993 | EP0559328A2 Method and apparatus for finishing a cylinder bore |
| 09/07/1993 | US5241732 Multipurpose cutting metal-working machine |
| 08/25/1993 | EP0556358A1 Inner treatment process and device for inaccessible pipes |
| 08/11/1993 | CN2139864Y Boring machine for processing vehicle cylinder hole upper head |
| 08/10/1993 | US5234294 Drilling device for producing drilled holes with undercuts |
| 08/03/1993 | US5233536 Method and apparatus for perforating a printed circuit board |
| 08/03/1993 | US5231885 Method for checking multilayer printed wiring board |
| 07/29/1993 | DE4202237A1 Fitting for tapping into pipe under pressure - has side pocket with floating ball element that floats up to seal off flow when drill is removed, and acts as stop valve |
| 07/28/1993 | EP0552425A1 Camshaft boring machining method and apparatus |
| 07/27/1993 | US5230685 Machine tool for machining printed circuit boards |
| 07/14/1993 | CN2138236Y Self crewed water tap |
| 07/14/1993 | CN1074154A Fixture of drilling machine for shaped steel |
| 07/13/1993 | US5226763 Device for producing drilled holes with an undercut |
| 07/07/1993 | CN2137749Y Self-threading coupling for pipe |
| 07/06/1993 | US5224804 Tooling system and method for broaching engine components |
| 06/22/1993 | US5221165 Camshaft bore machining method and apparatus |
| 06/16/1993 | CN2136088Y Automatic drilling machine for racket |
| 06/03/1993 | DE4139077A1 Tool for drilling holes of predetermined depth in profiled steel bars - has hydraulic system with control for forward and return motion of tool using rotating disc with holes and sensors |
| 05/26/1993 | EP0543232A1 Method and device for producing an opening on a pipe wall |
| 05/25/1993 | US5213647 Arrangement for holding together a package of boards for printed circuits |
| 05/12/1993 | EP0540841A1 Drilling device for making holes with undercuttings |
| 05/12/1993 | CN1071876A Device for producing drilled holes with undercut |
| 05/11/1993 | US5209615 Boring bar support means |
| 04/28/1993 | CN2130626Y Adjustable combined drilling machine in hole |
| 04/21/1993 | CN2130118Y Shear type chamfer system |
| 04/21/1993 | CN1071114A Drilling device for producing drilled holes with undercut |
| 04/14/1993 | EP0537124A1 Portable boring machine |
| 04/13/1993 | CA1315967C Method and apparatus for stitch-machining deep cavities in metal workpieces |
| 04/06/1993 | US5199830 Printed circuit board presser device in drilling machine |
| 04/06/1993 | US5199166 Cylinder block of an engine |
| 03/17/1993 | CN1020075C Assmmetrical drill with double chip-removing slots |
| 03/10/1993 | CN2127895Y Multi-working position antomatic machine tool for reducer valve-body |
| 03/09/1993 | US5191864 Engine cylinder bore |
| 03/03/1993 | EP0529238A1 Device for making drilled holes with undercutting |
| 03/01/1993 | WO1993005334A1 Inner treatment process and device for inaccessible pipes |
| 03/01/1993 | CA2095143A1 Inner treatment process and device for inaccessible pipes |
| 02/03/1993 | CN2126699Y Rail drilling machine |
| 02/02/1993 | US5183364 In a pipe |
| 01/26/1993 | US5181812 Gun drill mechanism |
| 01/26/1993 | US5181808 Method and apparatus for automated drilling hole patterns in elongated workpieces |
| 12/24/1992 | DE4120181A1 Method for producing gas transfer passages in cylinder head casting - involves drilling passage in two sections from side face and crank case face of casting |