| Patents for B23D 79 - Methods, machines or devices not covered elsewhere, for working metal by removal of material (2,827) |
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| 10/03/1995 | US5454166 Deburring tool |
| 09/27/1995 | EP0673714A1 Method and apparatus for deburring and chamfering hole edges through a tube bundel supporting panel |
| 09/21/1995 | WO1995024980A1 Device for removing projecting objects inside a pipe |
| 09/20/1995 | EP0672487A1 Continuous casting installation for steel with installation for deburring strands or pieces of strands |
| 09/13/1995 | EP0671230A1 Continuous casting installation for steel with attached or downstream deburringsystem for oxygen-cutting-burrs or cutting pearls at strands, slabs or ingots |
| 09/06/1995 | CN2206689Y Hand-held electric scraper |
| 07/05/1995 | CN2202605Y Removing device for inner veins in straight welding seam pipe |
| 06/27/1995 | US5427477 Tool for calibrating and deburring pipe ends |
| 06/14/1995 | EP0657240A1 Tool for threating workpieces, specially for manual deburring |
| 06/14/1995 | CN2200507Y Scavenger for spew on welding pipe |
| 05/24/1995 | EP0654313A1 Deburring apparatus for continuous cast slabs and rotor for this apparatus |
| 05/17/1995 | CN2197159Y Drill driven by electric power or manpower |
| 03/16/1995 | DE4330879A1 Tool for the removal of material from workpieces, in particular for manual deburring |
| 01/17/1995 | US5381695 Apparatus for investigating a sample with ultrasound |
| 01/17/1995 | CA1333956C Fin removing method and apparatus |
| 12/27/1994 | US5376410 Material surface modification |
| 11/23/1994 | EP0625397A1 Tool to calibrate and deburr tube ends |
| 11/17/1994 | EP0624072A1 Rotating tool |
| 11/15/1994 | CA2121727A1 Tool for calibrating and deburring pipe ends |
| 10/26/1994 | CN2180379Y Multi-position thick wall and long pipe cutting seam machine |
| 07/21/1994 | DE4341864A1 Machine for dressing off weld beads from plastic pallets |
| 07/05/1994 | CA1330521C Material surface modification |
| 05/31/1994 | US5315905 Method and apparatus for shaping antiperspirant sticks and similar products |
| 03/30/1994 | CN2159843Y Multi-purpose convenient circular cutting tool |
| 03/29/1994 | CA2021433C Robot cleaner for use between parallel platens |
| 03/09/1994 | EP0433412B1 Sensor-controlled deburring and section sensor for implementing it |
| 03/09/1994 | CN1083335A 回转刀具 Rotary Tool |
| 01/20/1994 | DE4240260C1 Tool for deburring internally slotted rings e.g. auto gearbox synchronising rings - has self aligning and compliant mounted deburring stones which enter slots and are axially reciprocated and rocked from side to side to produce corner radius |
| 01/12/1994 | CN2152631Y Dismountable lighting triangular scraper |
| 01/11/1994 | US5277529 Sensor-controlled deburring and cutting sensor to carry out the process |
| 12/29/1993 | CN2150953Y Pipe fusion face processing machine |
| 11/09/1993 | US5259440 Steel continuous casting installation with mechanical removal device for oxygen cutting burrs |
| 11/03/1993 | CN2145084Y Spline broach with guide pillars electroplating cubic boron nitride |
| 10/27/1993 | CN2144549Y Cutting tool for working needling shape metal radiating pipe or bar |
| 09/02/1993 | WO1993016833A1 Broaching tool for tubing |
| 08/05/1993 | WO1993014685A1 Rotating tool |
| 08/05/1993 | CA2128540A1 Rotating tool |
| 07/22/1993 | DE4201003A1 Automatic de-burring method for ink printing head made of semiconductor wafer - using ceramic pipe connected to vacuum pump, which moves on wafer surface scraping and sucking burrs |
| 06/24/1993 | DE4239344A1 Robotic machining of workpieces using scraping process - involves manipulating workpiece so that features to be machined are drawn past scraper blade under controlled pressure |
| 06/16/1993 | CN2136093Y Hand electric scraper |
| 06/08/1993 | US5216792 Method of and device for obtaining short shavings trimmed from the seams inside longitudinally welded pipes |
| 04/07/1993 | CN2129193Y Detachable-type lighting triangular scraper |
| 04/01/1993 | DE4132573A1 De=burring unit - has one fluid power cylinder that lowers cutter into stop controlled working position and pivots cutter outwards to remove burr |
| 03/09/1993 | US5192013 Scarfing apparatus |
| 01/21/1993 | DE4123596A1 Device for removal of rotary workpiece pips - has saw blade adjustable relative to workpiece moving along longitudinal axis and driven by electric motor |
| 01/19/1993 | US5179772 Apparatus for removing burrs from metallic workpieces |
| 12/23/1992 | EP0327611B1 Process for determining the quantity of an explosive gas mixture to be introduced into a chamber for processing materials |
| 12/16/1992 | CN2124787U Hand round blanking jacking device |
| 11/24/1992 | CA1310457C Cutting and the like tools |
| 11/12/1992 | DE4122117C1 Milling tool for removing welding beads inside tubes |
| 11/04/1992 | CN2120649U Cushion universal cutting tool |
| 09/10/1992 | DE4107688A1 Method of producing bearing bushes with deep grooves - involves transfer of bush through bending, sizing grooving and deburring stations in integrated work cycle |
| 08/12/1992 | EP0299071B1 Method and device for removing internal burrs inside longitudinally welded pipe |
| 08/04/1992 | US5135338 Deburring tool with tilt blade |
| 07/29/1992 | CN2111160U Flat chisel |
| 07/29/1992 | CN2111159U Otuside three-dimensional needle ribbed reinforced heat-transfer tube treating device |
| 06/25/1992 | WO1992010321A1 Process and device for thermal burring of workpiece |
| 05/20/1992 | EP0485756A1 Device for removing cutting burns from flame-cut edges of metal parts |
| 05/01/1992 | CA2054414A1 Apparatus for removing burrs from metallic workpieces |
| 04/21/1992 | US5105697 Multiple stage shaving die |
| 04/07/1992 | US5102221 Apparatus for retouching, in situ, components such as the rotor blades of a turbomachine, and a retouching method using the apparatus |
| 03/31/1992 | US5099723 Stripper die and method of increasing the service life thereof |
| 03/08/1992 | CA2040984A1 Deburring device |
| 01/08/1992 | EP0464331A2 Procedure and device for the generation of short chips at the internal burring of straight head welded pipes |
| 01/07/1992 | US5077897 Triangular scraper tool |
| 01/02/1992 | EP0463201A1 Continuous casting plant for steel containing a mechanical removal installation for oxygen-cutting burrs |
| 12/17/1991 | US5072514 Round scraper tool |
| 10/15/1991 | US5056972 Deburring device |
| 10/15/1991 | US5056225 Flat scraper tool |
| 10/01/1991 | US5052865 Deburring apparatus |
| 09/19/1991 | DE4008533A1 Deburring tool with tilting blade - has bar spring at arrester, engaging curved recess in blade outer periphery |
| 09/18/1991 | EP0446767A1 Deburning tool with pivotable cutting blade |
| 08/28/1991 | EP0264451B1 Thermopulse installation for removal of barbs from parts |
| 07/11/1991 | DE4020924C1 Method of deburring welded tube - has burr removed from tube surface and cut intermittently within tube |
| 07/03/1991 | EP0272323B1 Device for thermal removal of barbs from parts |
| 07/03/1991 | EP0264450B1 Method of thermal removal of barbs from metallic parts |
| 06/26/1991 | EP0338015B1 Method and apparatus for cutting and deburring tubes |
| 06/18/1991 | US5023984 Deburring method and machine |
| 06/04/1991 | US5021628 Apparatus and method for reacting on matter |
| 05/15/1991 | CN2076899U Machinery cutting and grinding forming tool |
| 05/08/1991 | EP0426527A1 Tooling for retouching of turbine rotor blades and process making use of that tooling |
| 02/21/1991 | WO1991001839A1 Cutting tool |
| 01/30/1991 | CN1011393B Device for cleaning the welding bead in plastic tube |
| 12/27/1990 | WO1990015684A1 Sensor-controlled deburring and section sensor for implementing it |
| 12/11/1990 | US4976573 Apparatus for chamfering planar plate |
| 10/23/1990 | US4964201 Descaling abrading apparatus with abrading rolls |
| 09/25/1990 | US4958398 Robot cleaner for use between parallel platens |
| 09/04/1990 | US4953377 Method and apparatus for cutting and deburring tubes |
| 07/25/1990 | CN1044059A Checkered scraper |
| 07/10/1990 | US4939965 Cutting and the like tools |
| 05/15/1990 | US4925499 Method of and an apparatus for controlling a quantity of an explosive gas mixture in a workpiece treatment chamber |
| 05/15/1990 | US4925347 Method of chamfering planar plate |
| 05/10/1990 | DE3932089A1 Fettling or deburring machine - has centering pistons supplied with different pressures by separate regulators |
| 05/09/1990 | CN2056879U Under-colled cutter with adjustable front angle clipped on machine |
| 05/01/1990 | CA1268341A1 Wheel bore cleaner |
| 04/10/1990 | US4915161 Fin removing method and apparatus |
| 03/15/1990 | DE3831082A1 Apparatus for deburring workpieces |
| 01/24/1990 | CN2051538U Assorted scraper set |
| 01/23/1990 | US4894958 Apparatus for scraping off burrs at resin outer layer of a golf ball |
| 01/16/1990 | US4893972 Cutting tool |