Class / Patent application number | Description | Number of patent applications / Date published |
451040000 | With nonatmospheric fluid carrier | 28 |
20080220699 | Fluid system and method for thin kerf cutting and in-situ recycling - A fluid jet system for achieving a kerf width less than 0.015 inches is provided. In one embodiment, the system includes an orifice mount having a high-pressure fluid bore and an abrasive bore configured to communicate an abrasive mixture in form of a paste or foam to at least a portion of the high-pressure fluid bore. The system further includes a pressure-generating bore and a thin kerf mixing tube respectively provided toward opposing longitudinal ends of the mount body, minimizing a distance therebetween. A method of in-situ recycling of abrasives in the high-pressure fluid jet system includes catching the exiting abrasive-fluid mixture in a catching device, filtering the mixture in a filtering device, and directly pumping the filtered abrasive-fluid mixture to the mixing area without requiring conditioning of the mixture to remove liquids. | 09-11-2008 |
20080248729 | Method and Apparatus for Manufacturing Optical Elements - In a method for producing optical elements, material on a blank ( | 10-09-2008 |
20080261493 | Apparatus for Removing Material, Use of Gas Inclusions in an Abrasive Liquid and Process for Grinding and/or Polishing Surfaces - The invention relates to an apparatus for removing material from a surface of a workpiece during grinding and/or polishing of the surface by means of abrasive particles which are delivered by a liquid. The apparatus comprises a device for setting the gas content in the liquid, in particular for adding gas, in particular air, to the liquid. | 10-23-2008 |
20080318494 | CHEMICAL MECHANICAL PLANARIZATION METHODS AND APPARATUS - A semiconductor process includes polishing a substrate with a slurry in an enclosure. Polishing the substrate is stopped. First mist is injected into the enclosure, such that the first mist has at least about 80% of saturation of a liquid or gaseous solvent in a carrier within the enclosure. | 12-25-2008 |
20100035523 | SEMICONDUCTOR DEVICE FABRICATING METHOD, AND SEMICONDUCTOR FABRICATING DEVICE - A method for fabricating a semiconductor device includes: supporting a semiconductor substrate formed with a polishing target film by a polishing head; and polishing the polishing target film while restricting movement in a radial direction of the semiconductor substrate by a retainer formed on the polishing head with a tilted surface formed on an inner peripheral section of the retainer, wherein when the polishing target film is polished, an outer peripheral surface of the semiconductor substrate comes into contact with the tilted surface formed on the inner peripheral section of the retainer. | 02-11-2010 |
20100099335 | CHANNEL INLET EDGE DEBURRING FOR GAS DIFFUSER CASES - A method of deburring channel inlet edges inside a cavity of a gas diffuser case is disclosed. The diffuser case has a plurality of channels each having an inner surface and an inlet edge defining an inlet of the channel. The surfaces of adjacent channels co-operate to provide said inlet edge therebetween. The inlet edges of the channels are provided in an inwardly facing circular array around a central axis of the gas diffuser case. The method comprises: inserting a tool head having at least one nozzle in the cavity of the gas diffuser case; and then ejecting abrasive particles from at least one nozzle towards at least one of the channel inlet edges of the gas diffuser case to at least one of decrease a radius of at least one said edge and improve a smoothness of at least one said surface. | 04-22-2010 |
20110053464 | SYSTEM AND METHOD FOR REMOVING A COATING FROM A SUBSTRATE - A system and a method for removing a coating from a substrate. The system provides a compressed air source, a heated water source, a particulate cleaning medium source, and a mixing valve including an air input, a water input, and a particulate cleaning medium input. The inputs are positioned on the valve so that the water input is positioned downstream of the compressed air input, and the particulate cleaning medium input is positioned downstream of both the compressed air and water inputs. The method of mixing the air, water, and particulate cleaning medium provides a coating removal mixture having a volumetric ratio of air to water of at least 100:1 and a volumetric ratio of air to particulate cleaning medium of at least 70:1. | 03-03-2011 |
20110086579 | WATERJET CUTTING SYSTEMS, INCLUDING WATERJET CUTTING SYSTEMS HAVING LIGHT ALIGNMENT DEVICES, AND ASSOCIATED METHODS - Various embodiments of waterjet cutting systems are described herein. In one embodiment, a waterjet cutting system includes a high-pressure water source and a waterjet cutting head coupled to the high-pressure water source via a high-pressure water supply. The waterjet cutting head has an orifice and a mixing tube. The orifice forms a waterjet from the high-pressure water. The mixing tube has an inlet aperture through which the waterjet enters the mixing tube, an exit aperture through which waterjet exits the mixing tube, and a passage between the inlet and exit apertures. The waterjet cutting system further includes a light alignment device operably coupled to the waterjet cutting head. In one aspect of this embodiment, the light alignment device is configured to generate a light beam that enters the mixing tube through the inlet aperture, passes through the passage, and exits the mixing tube through the exit aperture. | 04-14-2011 |
20110124270 | Fluid/Abrasive Jet Cutting Arrangement - A high pressure cutting arrangement is formed by combining a liquid stream, such as water, and a slurry stream, the slurry comprising abrasive particles suspended in a liquid. Energy is supplied to the liquid stream by a first energising means, such as a constant pressure pump. Energy is supplied to the slurry stream by a second energising means, such as by a piston powered by a constant volume pump. The liquid stream and the slurry stream are combined in a cutting tool, in which the supplied energy is converted to kinetic energy to produce a combined liquid and abrasive stream at high velocity. | 05-26-2011 |
20120156969 | ABRASIVE JET SYSTEMS, INCLUDING ABRASIVE JET SYSTEMS UTILIZING FLUID REPELLING MATERIALS, AND ASSOCIATED METHODS - Various embodiments of abrasive jet systems are described herein. In one embodiment, an abrasive jet system includes an abrasive container and a nozzle assembly. The nozzle assembly has a mixing region or cavity and an abrasive inlet. The abrasive jet system can also include an abrasive supply conduit that is operably coupleable between the abrasive container and the abrasive inlet. The abrasive supply conduit includes a first interior surface portion configured to be positioned proximate to the abrasive inlet and a second interior surface portion, different from the first interior surface portion, configured to be spaced apart from the abrasive inlet. In one aspect of this embodiment, the first interior surface portion has a greater ability to repel fluid (e.g., water) than the second interior surface portion, thereby reducing a tendency of the abrasives to clog the abrasive supply conduit. | 06-21-2012 |
20120309268 | METHOD AND APPARATUS FOR JET-ASSISTED DRILLING OR CUTTING - An abrasive cutting or drilling system, apparatus and method, which includes an upstream supercritical fluid and/or liquid carrier fluid, abrasive particles, a nozzle and a gaseous or low-density supercritical fluid exhaust abrasive stream. The nozzle includes a throat section and, optionally, a converging inlet section, a divergent discharge section, and a feed section. | 12-06-2012 |
20120322347 | METHOD AND APPARATUS FOR PREPARATION OF CYLINDER BORE SURFACES WITH A PULSED WATERJET - An apparatus for and a method of prepping a surface of a cylinder bore using a pulsed waterjet entails generating a signal having a frequency f using a signal generator, applying the signal to generate a pulsed waterjet through an exit orifice of a nozzle having an exit orifice diameter d and a length L. The pulsed waterjet prepares the surface to within a predetermined range of surface roughness. The surface roughness is determined by selecting operating parameters comprising a standoff distance (SD), a traverse velocity V | 12-20-2012 |
20130171915 | OPTIMISED MANUFACTURING PROCESS FOR A VANED MONOBLOC DISC BY ABRASIVE WATER JET - A manufacturing process of a monobloc vaned disc including a cutout by abrasive water jet of a block of material in general form of a disc, carried out so as to remove material from the block at a level of inter-vane spaces to reveal vane preforms extending radially from a hub, the cutout by abrasive water jet including, for making each inter-vane space: a first triple-axis cutout of a piece passing through the thickness of the block, used such that the cutout piece escapes from the block automatically by gravity; followed by at least one enhancement cutout. | 07-04-2013 |
20130303054 | THERMAL IMAGING LANCE ASSEMBLY - In accordance with one implementation, a fluid jet lance can include a camera mount configured to selectively position a thermal imaging camera in a line of sight of a user. In accordance with another implementation, the thermal imaging lance can be utilized by orienting a thermal imaging camera attached to the fluid jet lance in an operator's line of sight with a solid surface. The lance may then be aimed at a target behind the solid surface. The solid surface may be penetrated by using a jet of fluid emitted from the lance. And, a jet of fluid may be dispensed at the target. In accordance with yet another implementation, an apparatus can include a fluid jet lance as well as a source of abrasive material coupled with the fluid jet lance. A source of a chemical agent may also be coupled with the fluid jet lance. | 11-14-2013 |
20130309943 | Fluid Jet Lance - A fluid jet system providing a hydraulic induction manifold for at least two valves. The manifold is positioned “upstream” of an abrasives holding tank, so that no abrasive material flows through the valves and the manifold. The valves and the manifold provide pressurized fluid for at least two different flows: (1) a primary fluid flow and (2) an abrasive material flow through the abrasives holding tank. The two flows are merged again at a junction to provide a fluid flow having a predetermined abrasive-to-fluid mixture ratio. The manifold balances the pressure of the two different flows using a preset geometric relationship between the two different output flow paths associated with the valves. | 11-21-2013 |
20130324013 | Fluid/Abrasive Jet Cutting Arrangement - A high pressure cutting arrangement includes two pressurized streams: a liquid stream and a slurry stream. The two streams are independently pressurized, and then combined at pressure. The combined stream is then accelerated through a nozzle to provide a cutting jet. | 12-05-2013 |
20140087635 | APPARATUS AND METHOD FOR ABRASIVE WATER JET MACHINING - To provide an abrasive water jet machining apparatus in which the machining accuracy and machining efficiency is improved by improving the flowability of an abrasive through a nozzle. An abrasive water jet machining apparatus performs machining by directing an abrasive water jet at a workpiece, the abrasive water jet being composed of a mixture of a high-pressure processing fluid with an abrasive. The machining apparatus includes: a nozzle that directs the abrasive water jet; a high-pressure water supply device that supplies the processing fluid to the nozzle; and an abrasive supply device that supplies the abrasive to the processing fluid. The abrasive is composed of a coated abrasive, the coated abrasive being produced by coating a surface of an abrasive material composed of abrasive grains with a water-repellent material or flow promoting material. The abrasive supply device | 03-27-2014 |
20150038055 | REDUCING SMALL COLLOIDAL PARTICLE CONCENTRATIONS IN FEED AND/OR BYPRODUCT FLUIDS IN THE CONTEXT OF WATERJET PROCESSING - A waterjet system in accordance with a particular embodiment includes a pressurizing device configured to pressurize a fluid, a cutting head downstream from the pressurizing device, and a catcher positioned to collect a jet from the cutting head. The system can further include a treatment assembly configured to treat a feed fluid to the pressurizing device and/or a byproduct fluid from the catcher, such as by removing submicron colloidal particles from the feed fluid and/or from the byproduct fluid. For example, the treatment assembly can include a coagulation unit, such as a chemical coagulation unit or an electrocoagulation unit, configured to coagulate the submicron colloidal particles. The pressurizing device, the cutting head, and the treatment assembly can be at different respective portions of a fluid-recycling loop. | 02-05-2015 |
20150105001 | Pressure control circuits for Blasting Systems - A blasting system having a pressure control circuit that automatically sets and balances pressures in the system to provide a more efficient blasting process. The pressure control circuits provide the ability and enable an operator to more easily and efficiently set the operating pressures of a wet abrasive blasting system, for example, for various blasting processes and easily obtain a consistent blast stream flow. Embodiments of the invention provide an accurate, simple, and intuitive control of the pressure supply system. In specific embodiments, the pressure control circuit controls both the supply pressure to an air driven water pump and the pressurized air supply to slurry mixer by setting only one of these pressures. In certain other embodiments of the pressure control circuit, both pressures may be set through operation of a single, multi-port selector valve. | 04-16-2015 |
20150111473 | METHOD OF ORTHOPAEDIC IMPLANT FINISHING - A process to effectively remove machine lines blending the surface to a high luster uniform visual standard while reducing the surface roughness to below 8 Micro inches. The process does not remove or move the affected material greater than 0.02 mm, and the process is designed to produce a visually acceptable part that reduces surface roughness below 8 micro inches and holds tightly toleranced complex geometries. | 04-23-2015 |
20150118940 | Method for Dismantling a Battery Cell Using Fluid Jets - A method for recycling a plurality of battery cells, the method includes the steps of orienting a plurality of battery cells along a processing path having at least two fluid jets, moving the plurality of battery cells along the processing path proximate the at least two fluid jets, wherein the at least two fluid jets are positioned to cut first and second ends of each of the plurality of battery cells, and cutting the first and second ends of each of the plurality of battery cells with the at least two fluid jets to expose an interior volume of each of the plurality of battery cells. | 04-30-2015 |
20150298350 | METHOD AND FACILITY FOR CUTTING CONCRETE PRODUCT - Method and facility or apparatus for cutting a slipform cast hollow-core concrete product with water jet cutting, wherein in the outer surface of the fresh cast hollow-core concrete product is formed depressions or grooves in the areas to be cut with water jet cutting before curing of the hollow-core concrete product, which depressions or grooves extend in the area of the hollow-cores of the concrete product. | 10-22-2015 |
20150336239 | ABRASIVE-DELIVERY APPARATUSES FOR USE WITH ABRASIVE MATERIALS IN ABRASIVE-JET SYSTEMS AND RELATED APPARATUSES, SYSTEMS, AND METHODS - Abrasive-delivery apparatuses for use in abrasive jet systems and associated apparatuses, systems, and methods are disclosed. An abrasive-delivery apparatus configured in accordance with a particular embodiment includes a first funnel segment and a second funnel segment downstream from the first funnel segment. The first funnel segment can have a first inlet, a first outlet, and a first interior region extending between the first inlet and the first outlet. Similarly, the second funnel segment can have a second inlet, a second outlet, and a second interior region extending between the second inlet and the second outlet. The first interior region can have a first inward taper toward the first outlet, and the second interior region can have a second inward taper toward the second outlet. The second inward taper can be steeper than the first inward taper when the abrasive-delivery apparatus is vertically oriented. | 11-26-2015 |
20160016286 | CLEANING OF CHAMBER COMPONENTS WITH SOLID CARBON DIOXIDE PARTICLES - Disclosed herein are systems and methods for cleaning a ceramic article using a stream of solid carbon dioxide (CO | 01-21-2016 |
20160059384 | END EFFECTOR ADJUSTMENT SYSTEMS AND METHODS - Systems and related methods are provided for adjusting the position and orientation of an end effector of a multi-axis machine (e.g., a manipulable cutting head of a fluid jet cutting machine) relative to a base reference frame. Systems include an adjustable tool mount having a base structure that includes portions or regions that are selectively deformable to adjust a position and an orientation of a tool supported by the adjustable tool mount. | 03-03-2016 |
20160081756 | Method of cleaning and sanitizing medical instruments and accessories and apparatus therefor - A method of cleaning and sanitizing surgical tools or surgical instruments and accessories in general, and a device configured to implement the method. The method includes the use of a an abrasive cleaning material, which is emitted under pressure and at high speed to abrade and remove substances that adhere to the surfaces of the instruments and accessories, and the pressure of which can be regulated according to the type of surface to be cleaned. | 03-24-2016 |
20160158915 | COMBINATION VENTURI MEDIA BLASTER AND WATER BLASTER ASSEMBLY - An abrasive media blaster assembly includes a container to hold at least one abrasive media, an external air source to provide a compressed air supply, a reservoir to hold water and rust inhibitor solution and a venturi blaster gun. The venturi blaster gun comprises an exterior nozzle, a media blaster block and a trigger with a handle. The fittings in the media blaster block create a venturi effect and draw the water and rust inhibitor solution so as for it to mix with the abrasive media where the dustless blaster sprays the mix to remove surface finishes from a metal surface and simultaneously provides a rust inhibitor to the surface, thereby allowing the device to be capable of performing any one, two or all of dry media blasting, slurry blasting, and water blasting. | 06-09-2016 |
20160184964 | EQUIPMENT FOR REMOVING PROTECTIVE COATINGS FROM SUBSTRATES - Apparatuses and systems that enable selective removal of protective coatings from substrates are disclosed. Such a material removal system may use pressurized solid carbon dioxide (CO2) (i.e., dry ice) to remove a selected portion of a protective coating from a substrate. The material removal system may include one or more templates that provide selectivity in removing protective coatings from one or more substrates, fixtures for holding one or more substrates in place while material removal processes occur and apparatuses for positioning one or more substrates at desired locations in material removal systems. | 06-30-2016 |