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| Number | Title | Issue Date |
| 7905766 | Centrifugally projecting machine A centrifugal projecting machine having a house, a driving device disposed at a first side of the housing with a flange, an impeller having a plurality of blades, wherein the impeller is connected to a driving shaft of the driving device with a hub, a distributor di... | 03/15/2011 |
| 7331846 | Blasting apparatus for outer surface of pipe The present invention provides a blasting apparatus for an outer surface of a pipe which ejects a blast material to an outer side of a pipe and grinds the outer surface, comprising: a blast head containing a nozzle which ejects the blast material and a suction port ... | 02/19/2008 |
| 7331842 | Contour follower for tool A contour follower includes a plurality of sensors spaced around a waterjet nozzle, each of the sensors being configured to measure a distance between a working surface and a first plane, perpendicular to a longitudinal axis of the nozzle. The sensors may include ha... | 02/19/2008 |
| 7291056 | Method and system for cleaning glass surface of pavement light or reflector A method and a system for cleaning the glass surface of an object, such as a surface light, a run way guide light, or a reflector, installed on various pavements or roads, by propelling a cleaning agent from a blast nozzle to the glass surface. The blast nozzle is i... | 11/06/2007 |
| 7220165 | Blasting materials and method of blasting It is an object of the present invention to provide a blasting method and a shot material, which are very practical both in the cost and the treatment performance. (a) A shot material containing a styrene ion-exchange resin or a waste material caused therefro... | 05/22/2007 |
| 7210992 | Machine for preparing floors for refinishing A floor preparation machine that uses a number of vertical needles positioned in a tight rectangular pattern. The needles vibrate against the floor surface to prepare the floor surface. The needles are driven by a cam and cam follower. As the cam is turned by a moto... | 05/01/2007 |
| 7194334 | Method of washing a contaminant from a surface via a robotic arm A robotic wash cell including a six-axis robotic arm and end effector equipped with nozzles that spray unheated, solvent free, pure water at high-pressure to clean or debur objects by maintaining the nozzles in close proximity and substantially normal to each surfac... | 03/20/2007 |
| 7182671 | Blasting apparatus and blasting method The present invention provides a lasting apparatus which is provided with an ejection device, which ejects blast media, and a recovery device, which sucks and recovers ejected and used blast media, on a traveling carriage, ejects the blast media to a surface to be t... | 02/27/2007 |
| 7105204 | Apparatus and method for coating the exterior surface of a pipe The exterior surface of a pipe is coated around its full perimeter without rotation of the pipe or the complete coating apparatus. In one example, the coating apparatus includes coating heads attached to a rotor with the coating material supplied under positive air ... | 09/12/2006 |
| 7059945 | Pipe weld cleaning machine A pipe joint between welded exposed metal end sections of coated pipe being formed into a pipeline is cleaned before a corrosion resistant film is applied. A cleaning head of a cleaning mechanism is placed with a mounting frame on the pipe in the area of the pipe en... | 06/13/2006 |
| 7054717 | Robotic wash cell using recycled pure water The present invention pertains to a robotic wash cell including a six-axis robotic arm and end effector equipped with nozzles that spray unheated, solvent free, pure water at high-pressure to clean or debur objects by maintaining the nozzles in close proximity and s... | 05/30/2006 |
| 6966731 | Cutting tool and track guidance system A cutting tool and track system includes a multi-segment track assembly configured to be removably attached to a surface of a workpiece, a carriage assembly configured to ride along the track assembly, a carriage drive mechanism arranged to drive the carriage assemb... | 11/22/2005 |
| 6953303 | Substrate removal apparatus A substrate removal apparatus capable of cutting a plurality of aligned, precision slots in a variety of surfaces, such as concrete, asphalt pavement, and other composite substrates, utilizes high-pressure liquid cutting devices. Slots may be cut in pavement for suc... | 10/11/2005 |
| 6935860 | Apparatus for dental abrasive treatment of teeth The invention relates to apparatuses for treating surfaces of teeth by using a mixture of pressurised gas, preferably pressurised air, and abrasive particles such as particles of aluminium oxide. A first apparatus comprises a chamber having at least a primary inlet ... | 08/30/2005 |
| 6908372 | Hole cutting tool and method A tool and a method for cutting holes in a container wall such as in a tank, a cistern, a pipeline, a vehicle, a ship, a production like or the like that contains inflammable, explosive, or other hazardous gasses, and liquids. The tool includes means for pressurisin... | 06/21/2005 |
| 6890246 | Dry-ice blast device A dry-ice blast device (A) includes an air compressor (2) of a low pressure type as a source of the compressed air, the delivery pressure being 1.2-2.5 atm. Dry-ice particle feeder (5), (6) is provided for mixing dry-ice particles (D) into the a... | 05/10/2005 |
| 6699109 | Apparatus and method of removing abradable material from a turbomachine fan containment case An apparatus (10) and method for removing an abradable material from an interior surface (16) of a fan containment case (14), without requiring removal of the fan containment case (14) from its engine (12). The apparatus (10) and method generally involve ... | 03/02/2004 |
| 6656014 | Mobile bridge cutting arrangement A mobile articulable cutter apparatus for the cutting and dismemberment of a building structure to permit the environmentally safe removal of such structure from a building site. The apparatus comprises a mobile base support having an articulable lift arm... | 12/02/2003 |
| 6656016 | Sand blasting apparatus and methods Apparatus and methods allow difficulty accessible sites of a structure to be sand-blasted. Preferred sand-blasting systems are provided which include a sand-blasting fixture to support the a sand-blasting nozzle and a distal portion of the supply hose in ... | 12/02/2003 |
| 6464569 | Device for working a surface, especially a lifting platform, and a method for operating such a device A device for working a surface, especially a lifting platform, includes boom or a platform, a working means, which can be placed against the surface to be worked, and a means which is arranged between the boom or the platform and the working means and whi... | 10/15/2002 |
| 6461231 | Air abrasive blast line travel machine A pipeline treating apparatus (10) is disclosed which is used to clean the exterior of a pipeline (12) with high pressure air with entrained abrasive. The apparatus has an improved classifier and separator to separate the abrasive grit from lighter debris... | 10/08/2002 |
| 6406360 | Device for cleaning vulcanization molds A device for cleaning the inner walls of vulcanizing molds that are divided into upper and lower partial molds by means of a blasting device/nozzle and a manipulating device, with the blasting device and the manipulating device being accommodated and enca... | 06/18/2002 |
| 6402587 | Floor mounted ultra high pressure abrasive cutting apparatus An ultra high pressure abrasive waterjet cutting apparatus for underwater cutting of structural components of a nuclear reactor is described. The cutting apparatus includes a multi-axis manipulator, an ultra high pressure abrasive waterjet (UHP) cutting n... | 06/11/2002 |
| 6315648 | Apparatus for pressure treating a surface An improved high-capacity apparatus for rapidly pressure treating a large surface area, such as the hull of a cargo ship or a large storage tank, using high-pressure spray. The apparatus conforms to the surface to be treated and provides the treating powe... | 11/13/2001 |
| 6254462 | Apparatus and method for cleaning and restoring floor surfaces A cleaning and restoration system 10 for floors 11 and other hard surfaces is disclosed. The system 10 has an cleaning head 12 which can be moved across a floor 11 or other hard surface. The cleaning head 12 impinges particulate media upon the floor 11 to... | 07/03/2001 |
| 6132296 | Apparatus for treatment of surfaces The machine consists of a blast housing, a reclaim duct, a reclaim hopper and a support framework. In use, the machine is supported on a horizontal surface over which it is driven and carries out a shot blasting or other operation on an adjacent vertical ... | 10/17/2000 |
| 5957761 | Closed circuit media capture and recovery head for the portable wheat starch media blast system A blast head for abrasive blasting has a nozzle for directing a blast media at a surface being treated and a housing for containing the blast media after it passes through the nozzle and for facilitating recirculation of the blast media. An adjustment mec... | 09/28/1999 |
| 5938509 | Apparatus for abrasive blasting of ship bottoms; method and apparatus for testing blasted surfaces Apparatus for abrasive blasting of the bottom of a ship in a drydock includes a blast head mounted on a vertically swinging boom on a vehicle. The blast head has freedom of movement about two pivot axes which are not parallel to each other. One of the piv... | 08/17/1999 |
| 5904612 | Surface treating device A surface treating device includes a tubular blasting case member having a main open face and a sub-open face. A suction-adhering seal engages the blasting case to seal a space defined between the blasting case and the surface of the object being treated.... | 05/18/1999 |
| 5902174 | Self-drive blast apparatus A self-drive blast apparatus in accordance with the present invention surrounds a area wherein two wall surfaces intersect at a specified angle, to form a substantially sealed space between the apparatus and the wall surfaces, and the body of the blast ap... | 05/11/1999 |
| 5885141 | Portable blast wheel cleaning machine An apparatus for blast cleaning a generally vertical surface is disclosed. The device features a blast cabinet containing a blast wheel rotatably mounted about a horizontal axis. The blast wheel is positioned adjacent to an opening in the cabinet through ... | 03/23/1999 |
| 5807168 | Self-contained device for cleaning and coating hold surfaces in a bulk carrier The self-contained device for cleaning and coating hold surfaces in a bulk carrier includes four major components, namely a horizontally mobile vertical tower (e.g., with walking beams for permitting the device to move into the four corners of the hold in... | 09/15/1998 |
| 5743969 | Method for treating the outer surface of pipe The disclosed method relate to a cleaning nozzle which, in multiple embodiments, is rotated in a circle or in an ellipse, being one nozzle in one embodiment and multiple nozzles in alternate embodiments so that the surface of a pipeline can be clean with ... | 04/28/1998 |
| 5730646 | Oscillating blast cleaner The cleaning apparatus of the invention consists of a blast machine mounted on a support structure for oscillating motion relative thereto. In one embodiment, the blast machine consists of a blast wheel for projecting abrasive onto the surface, a hopper f... | 03/24/1998 |
| 5716261 | Oscillating blast cleaner The cleaning apparatus of the invention consists of a surface cleaning or treating unit such as a blast machine mounted on a support structure for oscillating motion relative thereto. In the preferred embodiment, the blast machine consists of a blast whee... | 02/10/1998 |
| 5716260 | Apparatus and method for cleaning and restoring floor surfaces A cleaning and restoration system 10 for floors 11 and other hard surfaces is disclosed. The system 10 has an cleaning head 12 which can be moved across a floor 11 or other hard surface. The cleaning head 12 impinges particulate media upon the floor 11 to... | 02/10/1998 |
| 5695385 | Recyclable abrasive blasting system and method A method of using a recyclable abrasive blasting system for blasting abrasive against a surface to be cleaned and for recovering such abrasive, comprising a storage hopper for containing abrasive, blast pots which receive abrasive and deliver it to a blas... | 12/09/1997 |
| 5695389 | Blasting device with oscillating nozzle A blasting device for directed air with entrained blast media at a work surface includes a frame supporting a reciprocal valve, and an adjustable valve limit switch. A shaft is attached to the reciprocal valve at one end, and is supported via a bearing as... | 12/09/1997 |
| 5688162 | Blast wheels and cages for blast wheels A blast wheel assembly has a bladed rotor and an impeller which rotate together. A cage has an axial and angular wall including an aperture through which in use particulate material passes. The cross section of the aperture is irregular to control the uni... | 11/18/1997 |
| 5685767 | Sandblasting apparatus A sandblasting system including two principal components, a trolley which is located on the flat upper surface of the object to be sandblasted and a blasting machine with an oscillating blast nozzle that is carried by the trolley. For cleaning vertical su... | 11/11/1997 |
