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| Number | Title | Issue Date |
| 7967664 | Device and process for cleaning, activation or pretreatment of work pieces by means of carbon dioxide blasting The invention relates to a device and method for cleaning, activating or pre-treating workpieces by blasting a carbon dioxide snow which is produced from pressurized CO2-containing fluids and at least one type of carrying compressed gas and is accelerated... | 06/28/2011 |
| 7537513 | Device for accelerating abrasives The invention relates to a device for accelerating abrasives, comprising a centrifugal wheel (8) that is driven to rotate about an axis of rotation. Said centrifugal wheel further comprises blades (2) that are disposed in a substantially radial orienta... | 05/26/2009 |
| 7455573 | Fluid jet polishing with constant pressure pump The invention relates to fluid jet polishing machine including a pump that maintains a constant pressure in the polishing fluid during each pass of a nozzle over a component. Fluid actuated diaphragms expand and contract the volume of a pair of pump chambers, thereb... | 11/25/2008 |
| 7341504 | Adjustable sand blasting gun An adjustable sand blasting gun has a body, a sand inlet and an adjusting device. The body has a chamber, a blasting head, a mounting tube and a connecting pipe. The blasting head is attached to the body and communicates with the chamber. The mounting tube is formed... | 03/11/2008 |
| 7303360 | Underwater inspecting and repairing system Disclosed is a system that performs inspection and repair of an underwater structure, specifically core internals in a pressure vessel. An underwater vehicle is provided with a drive wheel, a contact force generating unit (e.g., thruster) that presses the drive whee... | 12/04/2007 |
| 7267605 | Method and apparatus for abrasive recycling and waste separation system The present invention provides a method of handling abrasive solids materials used in an abrasive cutting procedure which jets a high-pressure abrasive slurry through a nozzle (7) onto a work piece over and/or in a catcher tank (8). This handling metho... | 09/11/2007 |
| 7261619 | Method and apparatus for abrasive recycling and waste separation system The present invention provides a method of handling abrasive solids materials used in an abrasive cutting procedure which jets a high-pressure abrasive slurry through a nozzle (7) onto a work piece over and/or in a catcher tank (8). This handling metho... | 08/28/2007 |
| 7226343 | Device for abrasive-blasting of workpieces A device for abrasive-blasting of workpieces including a chamber (which is to be evacuated during operation) having a first opening, a nozzle pipe unit with a nozzle pipe which can be inserted through the first opening into the chamber, and a container for the accom... | 06/05/2007 |
| 7186167 | Suspended abrasive waterjet hole drilling system and method A suspended abrasive waterjet narrow kerf cutting method is reconfigured to simultaneously drill multiple, closely-spaced holes in a target, including holes in confined non line-of-sight locations. Working fluid nozzles can be located on a flat or non-flat tool surf... | 03/06/2007 |
| 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 |
| 7134945 | Soda blasting apparatus The Soda Blasting Apparatus (1) disclosed and claimed herein introduces pressure into a pressure vessel (10). The blasting medium (70) is metered from the pressure vessel interior (13) by a pressure differential introduced by a venture ( | 11/14/2006 |
| 7125322 | Media transport device providing stable flow of media A media transport device for use in shot peening, blast cleaning, granite cutting, and similar applications transports media from a storage hopper to a workpiece. The media transport device includes a source of compressed air, a supply hose connecting the compressed... | 10/24/2006 |
| 7112120 | Feeder assembly for particle blast system A particle blast system includes a feeder assembly having a rotor with a plurality of pockets formed in the peripheral surface. The transport gas flowpath includes the pockets, such that substantially all transport gas flows through the pockets. The seal adjacent th... | 09/26/2006 |
| 7094135 | Abrasivejet cutting head with back-flow prevention valve An abrasivejet cutting head is disclosed that includes a valve assembly for preventing back-flow to the abrasive hopper of abrasive-laden fluid from the cutting head when the discharge path for the abrasivejet becomes clogged or otherwise blocked. The valve assembly... | 08/22/2006 |
| 7090568 | Blasting device A blasting device, especially for cleaning the surfaces of hollow areas, uses a conveying medium, preferably air, with an added solid blasting agent. The blasting device includes a twisting chamber that impresses the jet with a controlled twist. The twisting chamber... | 08/15/2006 |
| 7077724 | Sheet metal scale removing water jet process An apparatus and method of removing scale from the surfaces of processed sheet metal employs high pressure jets of water directed from nozzles positioned in close proximity to the sheet metal surfaces. ... | 07/18/2006 |
| 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 |
| 7056193 | Method of forming fine partition walls, method of producing planar display device, and abrasive for jet processing The present invention includes a method of producing a planar display device by application of the method. The fine partition walls are formed on the surface of a second substrate that constitutes a second panel by jet processing using an abrasive comprised of a pow... | 06/06/2006 |
| 7041176 | Pipe renovating system and method A pipe renovating method and system in which a pipe is first cleaned and then coated with a suitable coating material. In the cleaning step, pressurized air and particles of abrasive material are pumped into a first end of a pipe while suction is applied to the seco... | 05/09/2006 |
| 7008304 | Abrasive and dust separator Provided is a centrifuge media separator for separating blast particulate from fine particulate carried by air flowing from a blast cabinet and through the media separator. The centrifuge media separator comprises an upper panel, a lower panel, and an outer wall. Th... | 03/07/2006 |
| 6981910 | Throwing wheel assembly A throwing wheel assembly including a rotatable wheel and one or more throwing blades each removably positionable on the face of the wheel in a throwing position, the throwing blades having holding structures projecting therefrom and the improvement comprising one o... | 01/03/2006 |
| 6955589 | Delivery system for magnetorheological fluid A magnetorheological fluid delivery system includes a mixing and tempering vessel. Fluid is admitted to the vessel via a plurality of tangential ports, creating a mixing of the fluid in the vessel and promoting homogeneity. Fluid may be reconstituted in the vessel b... | 10/18/2005 |
| 6932676 | Blasting apparatus and process for accelerating blast media This invention relates to a blasting apparatus, comprising: a fan mounted for rotation in a first horizontal plane about a vertically oriented axis of rotation; a dispensing plate mounted for rotation in a second horizontal plane about the vertically oriented axis o... | 08/23/2005 |
| 6910954 | Method of supplying slurry and a slurry supply apparatus having a mixing unit at a point of use A computer-controlled slurry supplying apparatus for providing abrasive slurry to a chemical mechanical polishing (CMP) machine in a semiconductor manufacturing process preferably comprises a storage portion for accepting and storing a quantity of undiluted slurry, ... | 06/28/2005 |
| 6896597 | Abrasive blasting apparatus A blasting apparatus includes a pressure vessel adapted to contain a particulate blasting medium and a liquid. The vessel includes an inlet and a bottom outlet. The interior of the vessel communicates via its bottom outlet with an opening in a conduit along which co... | 05/24/2005 |
| 6893322 | Method and apparatus for measuring and controlling solids composition of a magnetorheological fluid A system for dispensing magnetorheological fluid to an MR finishing machine includes a pump for pressurizing the system; a first magnetic valve for regulating MR fluid flow by magnetically varying the structure and apparent viscosity of the fluid through a first flo... | 05/17/2005 |
| 6875083 | Abrasive media containment bag An abrasive media containment bag (11) having a bag portion (13), a nozzle fitting (15), a blast fitting (17), and a filter member (19) is disclosed. The abrasive media containment bag (11) allows the surface of an aircraft ... | 04/05/2005 |
| 6790497 | Superhard material article of manufacture The invention relates to abrasive water jet systems including an abrasive water jet mixing tube having a longitudinal bore lined with a superhard material, including such systems which use cubic boron carbide (CBN), diamond, or other materials with a hardness greate... | 09/14/2004 |
| 6739950 | Pipe renovating system and method A pipe renovating method and system is described, in which a pipe is first cleaned and then coated with a suitable coating material. In the cleaning step, pressurized air and particles of abrasive material are pumped into a first end of a pipe while suction is appli... | 05/25/2004 |
| 6739956 | Apparatus for cleaning engine block passages An apparatus for cleaning a passage in an engine block, such as the oil galley and oil galley legs, in which the passage includes an inlet and an outlet end. The apparatus includes a fixture having an interior passageway with an opening. The fixture is dimensioned t... | 05/25/2004 |
| 6729942 | Dental abrasion system The present invention provides a portable dental system for use in areas having inadequate sources of power, either for human or for veterinary dentistry. The system provides one or more handpieces, each driven driven by a pressurized nitrogen gas contained in a por... | 05/04/2004 |
| 6705921 | Method and apparatus for controlling cutting tool edge cut taper A tilt control assembly for controlling the tilt of a cutting tool head has a first eccentric support and a second support, with both of the first and second supports connected to the head along an axis of the head. To adjust the position of the head, the first ecce... | 03/16/2004 |
| 6702655 | Slurry delivery system for chemical mechanical polisher A slurry delivery system for a chemical mechanical polisher, comprising a bag housing fitted with a slurry intake conduit and a slurry outlet conduit. An expandible and collapsible pump bag is provided in fluid communication with the conduits inside the b... | 03/09/2004 |
| 6561874 | Apparatus and method for abrasive jet finishing of deeply concave surfaces using magnetorheological fluid Apparatus and method for abrasive jet of a deeply concave surface using magnetorheological fluid. A ferromagnetic nozzle recessed within a solenoid magnetically shields the fluid within the nozzle and serves as a core for the solenoid, thereby increasing ... | 05/13/2003 |
| 6425805 | Superhard material article of manufacture The invention relates to abrasive water jet systems comprising an abrasive water jet mixing tube having a longitudinal bore lined with a superhard material, including such systems which use cubic boron carbide (CBN), diamond, or other materials with a har... | 07/30/2002 |
| 6416390 | Methods and apparatus for sandblasting fiber optic substrates Methods and apparatus for marring a surface of a fiber optic substrate by sandblasting one or more sides of the substrate during movement of the substrate past one or more sandblasting nozzles to produce a specific illumination pattern. The nozzles may be... | 07/09/2002 |
| 6371839 | Constant abrasive feeder of abrasive grains An constant abrasive feeder of abrasive grains M is formed of a reservoir supply section 20 having a reservoir tank 21 and a buffer tank 31, a stirring hopper 40 for stirring abrasive grains S, and a vibration feeder 60 for supplying the abrasive grains S... | 04/16/2002 |
| 6354923 | Apparatus for planarizing microelectronic substrates and conditioning planarizing media A method and apparatus for mechanical and/or chemical-mechanical planarization of microelectronic substrates. In one embodiment, a conditioning device for removing waste matter from a microelectronic planarizing medium has a support assembly with a suppor... | 03/12/2002 |
| 6283832 | Surface treatment method with rapid repetitive motion of an ultra high pressure liquid stream A workpiece surface is treated in a cleaning, polishing or milling or similar surface treatment operation by a waterjet head. The head is located near the workpiece surface with its axis intersecting the workpiece surface and is held so that it dies not r... | 09/04/2001 |
| 6276993 | Fluid abrasive jets for machining The apparatus comprises a storage vessel (19) for abrasive particles, a source of pressurised carrier fluid and a first conduit (11) to convey at least a major proportion of the incoming carrier fluid to a nozzle (16). A second conduit (9) connects the so... | 08/21/2001 |
