Patents
Patents for B24B 55 - Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition (6,990)
08/1994
08/16/1994US5338128 Drywall joint finishing tool
08/16/1994US5337522 Grindstone shield and worktable of grinding machine
07/1994
07/26/1994US5331772 For holding two cylindrical members in spaced juxtaposition
07/26/1994US5331769 Grinding apparatus and method
07/20/1994EP0606538A1 Suction removal of stone dust
07/12/1994CA2037567C Edge belt sander with swingable dust hood
06/1994
06/23/1994DE4242906A1 Numerically-controlled grinder for metal work
06/14/1994US5319889 Grinder with dust exhaust means
06/14/1994US5319888 Random orbital sander
06/01/1994EP0599090A1 Hand-operated electrical tool, especially an angle-grinding machine
05/1994
05/26/1994WO1994011154A1 Random orbital sander
05/26/1994WO1994011152A1 Method of cooling parts of surfaces
05/26/1994DE4302953C1 Oscillating grinding machine with shoe - has grinding shoe formed so that its locating surface carrying grinding medium is inclined to a plane at a reduced angle, which the rotation axis of the eccentric intersects at right angles
05/24/1994US5315193 Hand-guided machine tool comprising a radial blower
05/24/1994US5314299 Speed governor for a pneumatic power tool
05/24/1994US5313743 Cooling apparatus for grinding machines
05/19/1994DE4238564A1 Electric power-driven tool cooled by suction of air through motor - is switched off automatically by disconnection of vacuum hose or insufficiency of vacuum in cooling-air extn. tube
05/19/1994DE4238013A1 Verfahren zum Abkühlen von Flächenteilen A method for cooling of surface parts
05/11/1994EP0596831A1 Disc-like tool for angle grinder
05/04/1994EP0513003B1 Hand machine-tool with radial fan
04/1994
04/05/1994US5299392 Portable power grinder
03/1994
03/29/1994US5297363 Portable surface preparation abrading unit
03/24/1994DE4231118A1 Support plate for grinding disc of grinding or polishing machine - has relief groove and vacuum ports arranged radially around and through disc body and having dust extraction canals connected inclinedly to port and outside of disc
03/03/1994WO1994004314A1 Dry abrasive belt cleaner
03/03/1994WO1994004312A1 Detail sander
03/03/1994WO1994004066A1 Mobile machine for cleaning the surfaces of objects containing materials hazardous to health
03/03/1994CA2142843A1 Dry abrasive belt cleaner
03/02/1994EP0584578A1 A ground dust removing apparatus and method for grinding wheel
02/1994
02/23/1994EP0583270A1 Power tool.
02/17/1994DE4226681A1 Mobile Maschine zur Oberflächenreinigung von gesundheitsgefährdende Materialien enthaltenden Gegenständen Mobile machine for surface cleaning of hazardous materials containing objects
02/08/1994US5283988 Manual vacuum sander
02/08/1994CA2023441C Dust control system for an abrasive grinder
02/01/1994CA2101387A1 Ground dust removing apparatus and method for grinding wheel
01/1994
01/24/1994CA2074581A1 Manual sander
01/18/1994US5279076 Tire dust removal apparatus
01/05/1994EP0577575A1 Portable power grinder
01/05/1994EP0577574A1 Pneumatic rotation grinder
01/05/1994DE4220260A1 Explosive dust exhauster for grinding machine - has spray nozzles with water supply in diffusor inlet region
01/04/1994US5274964 Dry abrasive belt cleaner
12/1993
12/23/1993WO1993025346A1 Vibration dampening grinding cup and grinding cup holder for handheld grinding machines
12/23/1993DE4318769A1 Machining position cooling during chip removing machining - adds defined vol. of cooling lubricant to supplied air stream in front of machining position
12/23/1993DE4220052A1 Suction system for sucking machining residue, e.g. turnings at milling machine tool collected in vicinity of workpiece - has enclosure establishing suction chamber connected to suction unit across at least one suction line
12/23/1993CA2136998A1 Vibration dampening grinding cup and grinding cup holder for handheld grinding machines
12/22/1993EP0575301A1 Speed governor for a pneumatic power tool
12/22/1993CN2150019Y Enlosed dust remover for grinding and polishing machine
12/21/1993US5271751 Device for removing dust from a machine
12/21/1993US5271123 Apparatus for cleaning porcelain articles, for example, the heads of dolls
11/1993
11/30/1993US5265382 Glass plate chamfering machine capable of chamfering and grinding successively
11/18/1993EP0569360A1 Hand-held power tool
11/18/1993EP0425492B1 Hand-held power-tool with enclosed-ventilation drive motor
11/16/1993US5261233 Brake device of pneumatic rotational tool
11/10/1993CN2145677Y Multipurpose abrasive belt grinder having self-dusting
10/1993
10/28/1993DE4212441A1 Abrasive belt grinding or sanding machine - has belt at right angles to table and tilted in gap so that width of grinding zone varies from max. at one end to zero at other, allowing equalisation of belt wear
10/21/1993DE4232830C1 Grinding dust removal device for grinding machine - includes number of outlet orifices arranged over the working width of grinding machine
10/20/1993CN2144043Y Permanent-magnet workbench
09/1993
09/30/1993DE4314850A1 Automatic alignment of esp. centreless plain grinding machine - carried out without absolute movement measuring system and reserve current supply and with proximity control by setting position regulated adjusting carriage
09/29/1993EP0562718A1 Polishing machine and method of dissipating heat therefrom
09/29/1993CN2142773Y Improved structure of pneumatic emery wheel with dust-collecting function
09/21/1993US5245797 Manual sander
09/16/1993WO1993017849A1 Joint cutter
09/16/1993CA2131556A1 Joint cutter
09/08/1993EP0558893A2 Motor driven appliance being designed as handhold appliance for grinding, polishing, derosting or suchlike treatment of surfaces
09/01/1993EP0558253A1 Improvements in dust collection
08/1993
08/31/1993US5239783 Drywall sander
08/25/1993EP0556626A1 Device to separate the dust from dusty air sucked from a machine tool
08/24/1993US5237781 Hand held disc type surfacing machine
08/19/1993DE4238245A1 Hand-held power driven polishing or grinding tool - has attached duct which can be connected to suction source to remove dust generated by tool
08/05/1993WO1993014904A1 Smoothing mill with suction, by depression in three stages, of dust so generated
08/04/1993CN1074846A Glass plate chamfering machine capable of chamfering and grinding successively
08/03/1993US5231801 Belt/disc sander with dust pickup means
07/1993
07/22/1993DE4300978A1 Combined grinder and polisher for glass plates - has separate tanks for grinding fluid and polishing fluid and automatic control for recycling of fluids
07/22/1993DE4219478C1 Grinding wheel truing and profiling machine - has primary dust extractor immediately above perforated baffle of projection system, and secondary one above light source
07/20/1993US5228244 Pneumatic tool having synergetic dust-removal drafting effect
07/07/1993CN2137581Y Kinetic equilibrium instrument for abrasive wheel of grinding machine
06/1993
06/30/1993EP0549202A1 Wet-sanding tools
06/22/1993US5220753 Safety vacuum shield for flexible cable and motor tool
06/15/1993US5218790 Pneumatically operated debris-removable grinding tool
06/14/1993CA2084941A1 Wet-sanding tools
06/03/1993DE4139646A1 Dust collection unit e.g. for belt moved by motor driven pulley - has ventilation unit driven by same motor as that driving belt, and fan of ventilation unit coupled by shaft coupling to pulley driving belt
06/02/1993EP0543890A1 Abrading device
04/1993
04/27/1993US5205083 Method and apparatus for polishing optical lenses
04/21/1993EP0537198A1 Clamping device for securing a protective hood to the neck of a hand machine-tool.
04/20/1993US5203122 Method of grinding titanium
04/14/1993EP0536973A1 Grinding apparatus and method
04/13/1993US5201146 Portable rotary tool
04/11/1993CA2080300A1 Grinding apparatus & method
04/07/1993EP0535431A1 Angle grinder
04/06/1993US5199220 Combination belt and disc sander
04/01/1993WO1993005927A1 Hand-held power tool
03/1993
03/25/1993DE4131514A1 Motorgetriebene handwerkzeugmaschine Motor-driven hand machine tools
03/16/1993US5193313 Vacuum sander
03/02/1993US5189844 Fluid driven tool control device
02/1993
02/16/1993US5185967 Apparatus for truing out of round rotating components
02/11/1993DE4126928A1 Delivering cutting fluid in grinding operations - has velocity of cutting fluid leaving nozzle adjusted equal to peripheral speed of grinding wheel
02/10/1993EP0526844A2 Grinding apparatus
02/10/1993CA2074905A1 Belt/disc sander with dust pickup means
02/04/1993CA2075079A1 Grinder with dust exhaust means
01/1993
01/28/1993DE4124520A1 Grinding disc for hand-held grinding tool - has dust removal holes inclined to surface of disc
01/12/1993US5178824 Apparatus for grinding nuclear fuel pellets in presence of liquid, trough below grinder, trough outlet, vessel with declivitous sides and bottom outlet, collection chamber, obturating means, sensing means, recirculation circuit, pump
01/12/1993CA1312471C Drywall sander
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