Matches 151 - 200 out of 203 < 1 2 3 4 5 >


Match Document Document Title
4333277 Combination sand-blasting and vacuum apparatus  
A sand-blasting apparatus which is operated by a vacuum system, wherein there is provided a sand-blasting gun having an air-inlet passage and a sand-inlet passage. Air is discharged into a mixing...
4300318 Cabinet for use in abrasive blasting system  
A cabinet device is provided for use in combination with an abrasive blasting system. The inner chamber of the cabinet device is maintained at a pressure of less than ambient air pressure during...
4281485 Portable substrate etching apparatus and process  
This apparatus for etching designs in a substrate, such as a glass door or window, has a transparent casing having an opening to be positioned against the substrate. A manually directable...
4269359 Valve construction for pressurized flow of abrasive granular material  
A valve intended primarily for use on the end of a supply hose for directing and controlling a high velocity stream of an abrasive granular material against an object. The valve has a handle with...
4249956 Method of removing paint from a brick surface  
Paint is removed from brick work without destroying the dense, protective outer surface portion of the bricks by first scraping away heat-loosened paint and then lightly etching the brick surface...
4233785 Sandblasting apparatus  
A sandblasting apparatus with an abrasive storage tank having a pressure conduit discharging a stream of air proximate to the tank outlet to propel fluidized abrasive particulate toward a Tee...
4232487 Abrading device  
An abrasive surface treating device includes a gun connected to a pressurized air source, a housing containing a supply of abrasive material, an abrasive delivery line connected to the gun and...
4212138 Portable confined surface sand blast apparatus  
Portable sand blast apparatus for cleaning a surface at a confined location wherein the apparatus attaches to a conventional sand blasting nozzle and includes a flexible filter shroud having an...
4209952 Underwater jet blasting apparatus  
Apparatus for use in high pressure underwater abrasive-laden water jetting has a gun connected to a high pressure water pump and having an inductor connected to a source of abrasive. Abrasive is...
4090334 Air eraser  
An air eraser is provided generally in the nature of a slightly enlarged pen. Compressed air carries particulate abrasive material from the pen for abrasive removal or erasure of indicia or the...
4048918 Stenciling apparatus and identification system  
An apparatus and method used for stenciling selected indicia upon and into surfaces of structures for identification purposes, the apparatus comprising a hollow body with air pressure release...
4045915 Portable sandblaster  
A manually portable casing equipped with suitable handle means has an outer end opening and a sandblasting hood mounted in the casing has a corresponding outer end opening which fits into the...
4044507 Method and apparatus for stripping, cleaning and treating surfaces  
A method and apparatus for supplying a source of olivine grit material, providing a source of fluid pressure, mixing the ingredients in a sandblasting type of gun, and directing the mixture...
3994097 Abrasive or sand blast apparatus and method  
Sand blast apparatus is disclosed, which includes a housing with a water inlet nozzle positioned in its rear wall for producing a gradually diverging water jet in the housing, a sand inlet conduit...
3972150 Guns for forming jets of particulate material  
A gun for forming a jet of particulate material and liquid comprises a body having a tapering bore therein connected by its longer end to a supply of fluidized particulate material and...
3858360 PNEUMATIC ABRASIVE CUTTING APPARATUS  
Abrasive cutting apparatus in which a mixture of abrasive particles and a fluid, such as air, under pressure, are expelled at high speed from a nozzle, a compartmented housing being utilized to...
3858358 HIGH PRESSURE LIQUID AND ABRASIVE CLEANING APPARATUS  
A high pressure cleaning apparatus including a blasting nozzle for separately directing a liquid and gas-abrasive mixture outwardly toward an object being cleaned; and, pumping apparatus for...
3828478 FLUID-JET-ABRASIVE DEVICE AND SYSTEM  
A fluid-jet-abrasive device and system according to the present invention comprises a fluid-jet gun having a trigger means adapted to operate a pressure-control valve, to allow fluid to flow...
3827188 PORTABLE BLASTING DEVICE  
A small-sized, light-weight and portable blasting device for centrifugally blasting abrasive materials such as shot or grit for grinding and cleaning the surface of large-sized workpieces such as...
3719009 SANDBLASTING MOTOR STATOR SLOTS  
Method of removing material such as burned shellac, paper residue, insulation, dirt, grease, etc. from stator slots of electric motors preparatory to rewinding with a nozzle having an oblong...
3690067 BLAST CLEANING SYSTEM  
A scouring or blast cleaning system wherein a supply of flowable abrasive material is introduced into suspension in a flowing stream of fluid within an injector device and the resulting stream...
3646709 WET SANDBLAST GUN  
A gun housing including a barrel having a cylindrical opening extending through the barrel. Replaceable parts are located within the barrel for receiving sand in one end of one of the parts and...
3626841 ABRASIVE PROPELLENT APPARATUS  
An apparatus for dispensing at sonic velocity a jet stream of a dispersion of flowable material in a gas. The apparatus includes a container for storing a body of flowable material and a mixing...
3624967 PEENING MACHINE  
3624966 MEANS FOR MARKING GLASS AND THE LIKE  
3618263 SANDBLASTING INSTALLATION  
3599375 SAND-BLASTING DEVICE  
A sandblasting device in the form of a generally rectangular cabinet communicating with a sand hopper at its lower end, the cabinet having a transparent viewing window in its top wall, an arm...
3557498 REMOTELY CONTROLLED SANDBLASTER  
3543444 ABRASIVE BLASTING SYSTEM  
3407539 Abrading devices  
3344558 Sand blast nozzle  
3276168 Abrading devices  
3271903 Maintaining the resistivity of insulating members in energized electric equipment  
3256642 Underwater sandblasting gun  
3212217 Cleaning device  
3163963 Blaster device  
3149438 Full nozzle abrasive blast apparatus  
3139705 Sandblast machine with precision sandfeed, remotely started and stopped  
3103765 Slurry-blasting apparatus  
3084484 Pneumatic abrasive cutting apparatus  
3075318 Abrasive drilling apparatus  
3070924 Remote control system for fluid actuated mechanism  
3069812 Sand blasting nozzle  
3056236 Portable sand blast apparatus  
3055149 Sand blast gun  
3032929 Portable sand blasting device  
2935820 Air-solids separation system for blast room  
2919517 Peening apparatus  
2875521 Abrasive flux and flush control system for dental apparatus  
2837874 Sand blasting apparatus  

Matches 151 - 200 out of 203 < 1 2 3 4 5 >