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5412910 |
Wet abrasive blasting method and apparatus
An abrasive feed system is shown in FIG. 3 in which pressurized air from air compressor (10A) is cooled and dried by heat exchanger (123A), water separator (125A) and chemical air dryer (127A) for...
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5409418 |
Electrostatic discharge control during jet spray
An improved apparatus and method adapted for use in removing trace contaminants from the surface of a chosen substrate, such as delicate surfaces or precision parts, by application of a stream or...
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5409415 |
Shot method
A shot method wherein a shot media based on zirconia composed of a sintered body of partially stabilized zirconia, of which a substantial quantity of the shot media pass through a sieve of normal...
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5390450 |
Supersonic exhaust nozzle having reduced noise levels for CO.sub.2 cleaning system
A CO 2 nozzle receives and expels liquid CO 2 through orifices sized for converting the CO 2 liquid into CO 2 snow. A body, defining an elongated cavity therein, is coupled to the CO 2 nozzle...
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5373047 |
Blasting medium, process for its production, and use thereof
A reusable blasting medium of a thermoplastically processable polymer granulate filled with finely divided metal, the metal particles being coated with an adhesion promoter. The medium is suitable...
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5367838 |
Particle blasting using crystalline ice
The invention relates to an improved method and apparatus for particle blasting utilizing crystalline ice. A theory of impact erosion is presented, as opposed to conventional abrasive techniques,...
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5365762 |
Suction-type shot peening machine sensor
This invention relates to a sensor for monitoring the operation of a suction-type shot peening machine. Such structures of this type, generally, measure the vacuum in the gun mixing chamber of the...
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5364472 |
Probemat cleaning system using CO.sub.2 pellets
A system for cleaning test probes attached to a probe mat fixture by propelling CO 2 pellets at the test probes, by rotating the fixture so that the pellets impact different sides of the test...
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5363603 |
Abrasive fluid jet cutting compositon and method
The invention is an abrasive fluid cutting composition comprising a carrier fluid, and an abrasive. Preferably, the composition may also include a surface active agent. The invention also comprises...
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5357718 |
Wafer rinsing apparatus
A wafer rinsing apparatus includes an ice making hopper for making ice particles by heat exchange between fine droplets of liquid to be frozen and low-temperature liquefied gas. The ice making...
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5344494 |
Method for cleaning porous and roughened surfaces on medical implants
A method for the cleaning of roughened surface or porous-coated medical implants of all kinds. In the cleaning method, the roughened surface or porous-coated implant is subjected to blasting with...
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5341608 |
Method and apparatus for material removal
A method and apparatus that allows the removal of solid material from a workpiece utilizes a high velocity stream of ice which is caused to impinge on the workpiece. A working liquid, such as...
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5332643 |
Method of wet honing a support for an electrophotographic photoreceptor
An electrophotographic photoreceptor is disclosed, including a substrate having thereon a photosensitive layer, wherein the substrate is subjected to a wet honing treatment with an abrasive agent...
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5327755 |
Constant flow control for a pressure pot shot peening machine
This invention relates to a constant flow control device for a pressure pot shot peening machine. Such structures of this type, generally, assure that the air flow and the pressure drop through the...
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5325639 |
Method for dressing a grinding wheel
A method for dressing a grinding wheel by providing a slurry of liquid and solid particles wherein the particle size is smaller than grain size of the grinding wheel and the particles are free of...
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5325638 |
Pliant media blasting device
The invention relates to a method and to a pliant particulate media device for the same which includes a supply of pliant blasting media, a medium for conveying the pliant blasting media from the...
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5319946 |
Apparatus for storing and transporting ice balls, without any sticking thereof, from their place of production to their place of use, where they are projected onto a target
Apparatus for the storage and projection of ice balls comprising in combination: a revolving tank terminated by an opening in the lower part for linking with a ball injection chamber (44) to...
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5318636 |
Method for cleaning surfaces, in particular sensitive surfaces
The present invention relates to a method and an apparatus for cleaning surfaces, in particular sensitive surfaces contaminated and attacked by environmental influences, by means of a jet of fine...
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5312520 |
Method of metallic surface preparation utilizing silane for adhesive bonding
To prepare a metallic surface for adhesive bonding, surface irregularities and contaminants are removed. This first step is followed by repeated cleaning of the metallic surface with a solvent and...
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5307661 |
System and method for shot peening reactor vessel penetrations
A method for shot peening a first tube external to and concentric with a second tube comprising the steps of forming a slot through the second tube; positioning a shot peening device adjacent the...
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5290606 |
Method for manufacturing a substrate for a printed circuit board
In a method for the manufacture of a substrate for electrical components, a base of metallic material is first sandblasted and thereafter coated by means of a thermal process with a bonding layer...
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5261191 |
Method of surface preparation
A method is described for altering the surface of a virgin plastic moulding by impingement of plastic particles to render the surface suitable for the application of a coating. The coating will...
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5257655 |
Process for treating wood
A process for treating wood to simulate driftwood or to create a weathered appearance. The process involves impacting the surface of the wood with glass beads sufficiently to cause the soft rings...
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5251468 |
Method of surface finishing orthopaedic implant devices using a bioactive blasting medium
The method and material of this invention eliminates the necessity of removing imbedded particles remaining after shot blasting by providing a method for surface finishing an orthopaedic implant...
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5239788 |
Abrasive feed system
In accordance with illustrative embodiments of the present invention, a hopper containing a sodium bicarbonate abrasive is pressurized with a dry gas such as nitrogen. The abrasive is fed into a...
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5226260 |
Method for manufacturing implantable cardiac defibrillation leads utilizing a material removal process
A method of manufacturing a medical electronic lead portion having an elastomeric mass and typically having a conductive metal member embedded in the elastomeric mass. The method includes the step...
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5203794 |
Ice blasting apparatus
A system (10) for delivering a cold particulate material (14) has a closed storage hopper (12) for the material, the hopper having a bottom hopper outlet (16); a venturi feeder (22) having a...
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5202008 |
Method for preparing a shield to reduce particles in a physical vapor deposition chamber
In a method for preparing a shield for use in a physical vapor deposition process, the shield is sputter-etch cleaned to increase adhesion of deposits in the physical vapor deposition process. The...
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5195276 |
Apparatus and method for flushing a casting
An apparatus for flushing a workpiece including a passageway having an inlet and an outlet, the apparatus comprising structure adapted to communicate with the inlet and with the outlet for...
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5187903 |
Method for removing accumulated ash from precipitators
The invention relates to a method of removing accumulated ash from a precipitator which includes the step of blasting the precipitator with air entrained with a particulate. The particulate is the...
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5185184 |
Process for preparing a substrate surface for bonding with activatable adhesives by applying an activator-containing layer onto the substrate surface
In a process for the preparation of a substrate surface for the bonding thereof with an activatable adhesive, an adhesion promoter layer is applied by means of sandblasting with a sandblasting...
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5146716 |
Pliant media blasting method
The invention relates to a pliant particulate media method which utilizes providing an air source for supplying air pressure to a supply container, containing a quantity of pliant blasting media,...
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5147466 |
Method of cleaning a surface by blasting the fine frozen particles against the surface
To remove foreign matter (contaminants in the form of fine particles or a film of oil) deposited on a solid surface, fine frozen particles (0.01 μm to 5 mm in diameter) are used. The fine frozen...
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5123206 |
Wet abrasive blasting method
In accordance with illustrative embodiments of the present invention, a hopper containing a sodium bicarbonate abrasive is pressurized with a dry gas such as nitrogen. The abrasive is fed into a...
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5112406 |
Process for removing coatings from sensitive substrates, and sodium sulfate-containing blasting media useful therein
Blasting media for removing coatings from sensitive metal and composite surfaces, and a process useful therewith, wherein the blasting media comprise mixtures of water-soluble crystalline sodium...
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5109636 |
Particle blast cleaning apparatus and method
An improved particle blast cleaning apparatus and process featuring sublimable pellets as the particulate media is described as having a source of sublimable pellets, a housing defining an internal...
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5108512 |
Cleaning of CVD reactor used in the production of polycrystalline silicon by impacting with carbon dioxide pellets
The present invention is a process for the cleaning of the inner surfaces of a chemical vapor deposition reactor used in the production of polycrystalline silicon. The process comprises impacting...
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5092084 |
Method and apparatus for removing coatings from plastic laminates
Abrasive method for the removal of coatings, such as paint, decorative films, overlays and the like from plastic surfaces, especially plastic laminates. The method operates by utilizing an impeller...
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5083402 |
Blasting apparatus
Conventional industrial pressure blasting apparatus is modified to allow a controlled pressure on the blast pot that is greater than the pressure on the line where less aggressive abrasive media...
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5071541 |
Method and apparatus for sorting a mixture of particles
A method and apparatus for sorting a mixture of particles containing a first group of particles of substantially uniform size and density and a second group of particles of substantially the same...
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5063015 |
Method for deflashing articles
The present invention includes a method for deflashing unwanted material from manufactured articles and more particularly a method for deflashing rigid reaction injection molded articles The method...
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5056274 |
Device for cleaning vehicle wheels
The present invention relates to a device for cleaning vehicle wheels. In order to provide a device which permits wet blasting at which a maximum amount of plastic granules always is present in the...
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5025597 |
Processing apparatus for semiconductor wafers
A cleaning method and a gettering method for semiconductor wafers comprises blasting frozen particles at the surface of a semiconductor wafer. A processing apparatus for a semiconductor wafer...
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5024711 |
Method for preparing a substrate surface for bonding with a synthetic resin by applying a layer by sand blasting
The present invention relates to a method for preparing a surface for bonding with a synthetic resin. In the method, a layer is applied onto a substrate surface by sand blasting with a composition...
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5018667 |
Phase change injection nozzle
A high efficiency phase change nozzle has a body with primary orifices, a pilot nozzle extends upstream from the body and has a pilot orifice and central cavity through which a pilot flow of liquid...
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5011443 |
Cleaning of flat glass CRT faceplate with internal anti-glare surface
In recovering flat glass faceplates used in color cathode ray tubes (CRTs) where the CRT is rejected during manufacture, the faceplate is cleaned for re-use with a high pressure vapor blast...
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5009240 |
Wafer cleaning method
A wafer cleaning system which cleans semiconductor wafers by sand blasting them with ice particles is disclosed. In this system a stream of gas is conducted by a conduit to the semiconductor wafer...
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5001873 |
Method and apparatus for in situ cleaning of excimer laser optics
A method and apparatus for cleaning the optical elements in an excimer laser in situ. A source of high pressure carbon dioxide gas is allowed to escape through a nozzle facing the surface of the...
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4977910 |
Cleaning method for apparatus
Part of liquefied carbon dioxide is subjected to adiabatic expansion so that the remainder becomes snow-like dry ice due to heat of vaporization and heat of sublimation while a liquid is being...
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4962891 |
Apparatus for removing small particles from a substrate
Apparatus for removing small particles from a substrate including superimposed plates forming at least two parallel chambers and a film-like member interposed between the plates and adapted to...
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