| Patents for B24B 31 - Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work or the abrasive material is loose; Accessories therefor (2,811) |
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| 07/24/1991 | CN1013255B Finishing method using doubling force rotary barrels |
| 07/18/1991 | DE4001111A1 Surface treatment of shaped workpieces - which are placed in container which is oscillated in magnetic field |
| 07/10/1991 | EP0436482A2 Method for artificially ageing bricks |
| 07/09/1991 | US5029415 Apparatus for centrifugal hydromechanical cleaning and polishing |
| 07/02/1991 | US5027558 Device for treating the surface of an article with solid particles |
| 06/12/1991 | EP0431553A2 Microscopic grinding method and microscopic grinding device |
| 06/11/1991 | CA1284763C Composition and method for metal surface refinement |
| 06/04/1991 | US5021628 Apparatus and method for reacting on matter |
| 05/28/1991 | US5018312 Deflashing apparatus |
| 05/28/1991 | US5018257 Magnetic sheet polishing device |
| 05/08/1991 | EP0426045A1 Vibrating machine for the finishing, the washing and the drying of metal pieces |
| 05/08/1991 | CN1012564B Method and apparatus for combination roll polishing |
| 05/07/1991 | US5012620 Centrifugal finishing apparatus embodying improved seal and method |
| 05/07/1991 | US5012619 Method and apparatus for forming spheres |
| 05/02/1991 | EP0305549B1 Chamber for abrasive powder descaling of strip |
| 04/30/1991 | CA1283544C Industrial treatment machines with rotating vessel |
| 04/23/1991 | US5009037 Apparatus for descaling the surface of a strip |
| 03/13/1991 | EP0417019A1 Manual device for the opening and closing of a vessel closure |
| 03/09/1991 | CA2024907A1 Manual opening and closing device for a tank door |
| 03/06/1991 | EP0415871A1 Dust control system for an abrasive grinder |
| 03/05/1991 | US4996796 Process and apparatus of abrading by extrusion |
| 02/27/1991 | EP0414441A2 Burnishing method and composition |
| 02/26/1991 | USRE33542 Tumbling apparatus |
| 02/26/1991 | US4995949 Orifice sizing using chemical, electrochemical, electrical discharge machining, plating, coating techniques |
| 02/12/1991 | US4991360 Method and apparatus for surface treating a workpiece |
| 02/07/1991 | DE3935535C1 Aq. compsn. for etching and polishing metal surfaces - comprises mixt. of tri:sodium citrate, citric acid and sodium di:hydrogen phosphate in water |
| 01/29/1991 | US4987702 Surfacing machine |
| 01/23/1991 | CN1048729A Mo-series low-alloy cast iron grinding ball |
| 01/17/1991 | DE3922610A1 Quiet barrel for deburring metal blanks - has inner and outer skin separated by rubber bearings and noise damping material |
| 01/10/1991 | WO1991000165A1 Method of impregnating porous abrasive elements for use in distressing fabrics |
| 12/26/1990 | CN1010928B Media discharge device in vibratory barrel finishing apparatus with spirally-configured paths |
| 12/11/1990 | US4976020 Magnetic sheet polishing device |
| 12/11/1990 | CA1277497C Device for treating the surface of an article with solid particles |
| 12/05/1990 | EP0400516A1 Vibrating machine, particularly for the mass drying of metallic bodies, with automatic unloading of the dried parts |
| 12/05/1990 | EP0400515A1 Vibrating machine, particularly for the surface finishing of parts, with automatic unloading means |
| 11/21/1990 | CN1047111A High hardness alloy abrasive for white cast iron |
| 11/14/1990 | CN1046946A Method and composition for refinement of metal |
| 11/07/1990 | EP0395815A1 Method and composition for refinement of metal surfaces |
| 11/06/1990 | US4967514 Tumbling apparatus with double rotation |
| 10/31/1990 | CN1046475A Multi-angle screw classifying lining board |
| 10/24/1990 | EP0287484B1 Industrial treatment machines with a rotating tank |
| 10/04/1990 | DE3910752A1 Apparatus for centrifugal working of workpieces |
| 09/27/1990 | DE3930825A1 Kugelkonstruktion eines kugelgelenks und verfahren zu dessen herstellung Ball of a ball joint construction and method of producing the |
| 09/25/1990 | US4958776 Centrifugal-force vibratory grinding machine |
| 09/12/1990 | EP0386872A1 Vibratory tumbling apparatus |
| 09/12/1990 | CN1009535B Dry tumbling mechanism |
| 09/12/1990 | CN1009534B Vibration tumbling machine with automatic eduction gear |
| 09/12/1990 | CN1009533B Full-automatic rotary processing machine |
| 09/11/1990 | CA1273798A1 Apparatus for rotatably supporting a marine propeller in a vibrating media |
| 09/05/1990 | CN1009502B Multi-interactive system for barrel finishing machine |
| 08/21/1990 | US4949510 Full-automatic multi-function barrel finishing machine |
| 08/15/1990 | CN1009179B Fully automatic eddy current type rotary drum polishing machine |
| 08/14/1990 | US4947587 Chamber for abrasive powder descaling the surface of a strip |
| 08/07/1990 | US4946092 Method for arranging a through-channel in a solid body, and the body obtained with this method |
| 08/02/1990 | DE3941599A1 Removal of slag from metal transporter band - passing band through abrasive ferromagnetic powder via magnetic gates |
| 08/01/1990 | CN2059864U Wet type dust-collecting hood for polisher and grinding wheel machine |
| 08/01/1990 | CN1008981B Apparatus for cleaning surface of granule |
| 07/10/1990 | US4939871 Centrifugal processing machine |
| 07/04/1990 | CN1008614B Automatic workpieces polishing machine with high-speed rotary barrels |
| 07/03/1990 | US4937981 Centrifugal-force vibratory grinding machine |
| 06/28/1990 | DE3843326A1 Apparatus for the working of workpieces under the action of centrifugal force |
| 06/27/1990 | CN1043349A Metal surface refinement using dense alumina-based media |
| 06/26/1990 | US4936057 Method of finish machining the surface of irregularly shaped fluid passages |
| 06/13/1990 | CN2058126U Tiltable multi-cylinder ball grinder |
| 06/13/1990 | CN1042859A Polishing apparatus |
| 06/13/1990 | CN1008335B Full automatic work finishing machine with high-speed rotating barrel containers |
| 06/12/1990 | US4932163 Dust control system for an abrasive grinder |
| 05/30/1990 | EP0370713A2 Polishing apparatus |
| 05/30/1990 | CN1008155B Orbital barrel finishing machine and automated system therefor |
| 05/22/1990 | US4926601 Vibratory tumbling apparatus |
| 05/19/1990 | CA2003185A1 Polishing apparatus |
| 05/17/1990 | WO1990005044A1 Orbital and/or reciprocal machining with a viscous plastic medium |
| 05/17/1990 | WO1990005039A1 Method of processing orifices |
| 05/10/1990 | DE3837686A1 Three-dimensional oscillation system |
| 05/01/1990 | US4920705 Method of abrasive powder descaling of a strip |
| 04/24/1990 | US4918960 Method for removing scale from a metal strip |
| 04/18/1990 | EP0363493A1 Purging agent for plastic molding machines and extruders |
| 04/18/1990 | EP0363372A1 Ceramic body and process for manufacture thereof |
| 04/17/1990 | US4918660 Industrial treatment machines with rotating vessel |
| 04/17/1990 | US4916865 Apparatus for surface treating a workpiece |
| 04/17/1990 | CA1267886A1 Tumbling apparatus |
| 04/17/1990 | CA1267885A2 Tumbling apparatus |
| 04/05/1990 | DE3932797A1 Abrasive means for descaling and deburring workpieces - in rotation drum process, made of chill cast pieces of tetrahedral or pyramid shape |
| 04/05/1990 | DE3832651A1 Lining of the working container of high-performance tumbling machines |
| 04/05/1990 | DE3832650A1 Lining of round troughs of tumbling vibrators |
| 03/29/1990 | DE3832652A1 Round trough for tumbling vibrators |
| 03/29/1990 | DE3831761A1 Method for the surface treatment of fired, unglazed tiles |
| 03/21/1990 | EP0219403B1 Device for the surface treatment of an object with solid particles |
| 03/07/1990 | CN2053969U White pig iron-steel composite type lining board for ball mill |
| 03/06/1990 | US4906327 Method and composition for refinement of metal surfaces |
| 03/06/1990 | US4905416 Reversing weight assembly for a vibratory bowl finishing machine |
| 03/01/1990 | DE3828756A1 Polishing machine |
| 02/28/1990 | CN1006967B Automatic centrifugal running barrel working machine |
| 02/13/1990 | US4900409 Mass grinding and polishing of metal articles in rotofinish equipment |
| 01/31/1990 | CN1039194A Device for disintegrating works by tumbling mills |
| 01/11/1990 | DE3823240A1 Vibratory grinding machine |
| 01/10/1990 | EP0350085A1 Tumbling polishing device |
| 01/03/1990 | CN2050349U Automatic controller of valve grinding of ball grinder |
| 12/28/1989 | DE3821558A1 Grinding and polishing arrangement |
| 12/20/1989 | CN1006139B Multifunction work finishing machine using barrel containers |