Abstract: A blasting or stripping booth is provided creating a generally downward flow for treatment of fluid and particle flow, which reduces operator exposure to potentially hazardous debris. The booth comprises an enclosure defining an upper region for a workpiece, a lower region, and a separator assembly. In some instances the separator assembly includes individual separator units which are discrete units, each having a generally square or rectangular plan view configuration which are arranged in an array for providing the required process flow capabilities. Further embodiments utilize structures forming the separator which have an elongated trough-like configuration. These embodiments find a particular application in large-scale stripping or blasting booth used in production environments where workpieces may flow through a treatment system in a serial manner. Other suitable applications include batch type processing of parts.

Abstract: The present invention relates to a filtering device for removing particles from a bodily fluid of a patient, the filtering device being implantable in the patient's body. The device has a tube forming a main fluid passageway for bodily fluid, through which the bodily fluid of the patient passes when the tube is implanted in the patient, a filter connected to the tube and a filter cleaning device for cleaning the filter by moving particles collected by the filter out of the fluid passageway, wherein the filter cleaning device is adapted to replace the first filter in the fluid passageway with a second filter, thereby moving the particles collected by the first filter out of the fluid passageway.

Abstract: Dual sided shot peening system includes pressurized air supply in communication with independently controllable first and second air pressure regulators in communication with first and second shot supplies and independently controlled first and second shot flow control valves disposed between first and second nozzles and the shot supplies. Computer may be in control of regulators and valves. Nozzle supports may fixedly or movably support nozzles during shot peening. The system may be used for simultaneously shot peening first and second sides of a portion of a workpiece such as airfoils of a BLISK. First and second streams from first and second nozzles may have different properties and may be varied during shot peening.

Abstract: First guide pipes are disposed on both sides of blasting areas, and second guide pipes are disposed on both sides of the blasting area. A wire rod W is inserted through the first guide pipes and the second guide pipes, penetrating in a conveying direction of the wire rod W. The diameter of each of first insertion holes of the first guide pipes and second insertion holes of the second guide pipes is gradually reduced toward the downstream side in the conveying direction. The second guide pipe is installed in a state in which the downstream-side end portion in the conveying direction is inserted into the first insertion hole from the inlet side of the first guide pipe.

Abstract: A temporary water barrier for residential and commercial doors. The temporary water barrier is an inflatable bladder that is configured to be installed in a doorway and inflated to create a barrier to water within the jam of the door or opening beneath the door. The elongate bladder has sealed ends, an inflation valve to communicate an inflation fluid to an interior of the bladder. A resilient seal may be provided along one or more of a top surface and a bottom surface of the bladder. A notch may be defined in the bladder with the notch dimensioned to fit around a hinge supporting the door in the doorway.

Abstract: A filtering device for removing particles from a bodily fluid of a patient is disclosed. The device is implantable in the patient's body and comprises a tube forming a main fluid passageway for bodily fluid, through which the bodily fluid passes when the tube is implanted, wherein the tube is sized and adapted to be fluidly connected to the bodily fluid. The device further comprises a filter connected to the tube, and a filter cleaning device for cleaning the filter.

Abstract: A sand blaster is provided that includes an engine carried by an engine mounting plate. A frame is included and an engine support isolator engages the frame and carries the engine mounting plate. The engine support isolator has a stud that extends through a first coil and a stud guide that has a tapered inner surface. The stud extends through the stud guide. In other arrangements an air regulator that is adjustable is provided, and a nozzle that features reduced wear is provided.

Abstract: An implantable drainage device is provided. The device is adapted to move body fluid from one part of the body of a patient to another part of the body. The invention also extends to a filter adapted to filter particles from a drained fluid.

Abstract: Device for carrying out surface treatment on large objects, such as spray-painting of ships. In the prior art, a substantial proportion of the spray mist is deposited elsewhere, which is unwanted. The device proposes an enclosure which is movable along the hull of the ship, from which the spray-painting operation can be carried out through an opening disposed in the enclosure. An air curtain extending to the hull of the ship is present around this opening, through which it is not possible for spray to escape between the enclosure and the ship's hull. An extraction facility for mist is present in the enclosure and supply openings for air are provided. The enclosure consists of a housing which is accessible via a door.

Abstract: The present invention is primarily assembled from a main body, a lifting device, a control switch, a grinding device, a nozzle apparatus, and a dust collecting device. The main body includes a first casing, and a second casing disposed within the first casing. The lifting device enables raising and lowering of the first casing relative to the second casing for adjustment to a suitable height. An operating area at the top of the first casing is equipped with the control switch. The nozzle apparatus includes an air compressor, a dryer, a sand storage tank, and a nozzle, which facilitate the user in operational use, and enable powerful collection of dust. In particular, during the sand blasting process, the present invention enables optimum handling of environmental dust pollution.

Abstract: A propellant disposal device for a propulsion system, wherein disposal of the propulsion system is performed through an automated process, and the propellant charged within the propulsion system is collected simultaneously through the automated process, to thereby enable the propulsion system to be re-utilized through the disposal processes.

Abstract: Abrasive blasting control method in which a control device (10) is used including at least a swing-arm (13) and in which the movement of the swing-arm (13) is controlled from the exterior of the casing of the wheel from its rest position to its second position in which said swing arm (13) is subjected to a part of the jet of abrasives leaving the wheel (1).

Abstract: The object of the present invention is to provide a machine for blasting abrasives that has a simple structure and that solves the problem of abrasives falling when the door for the gateway for the work is opened or closed. The machine for blasting abrasives comprises a chamber 11 for processing, a nozzle 13 that is provided within the chamber 11 for shooting the abrasives (shots) S onto the work W, and a jig 15 for holding the work W at a position facing the nozzle 13. A gateway 17 with a door 19 is formed in the ceiling 11a of the chamber 11. The size of the gateway 17 enables the work W to protrude from the chamber 11 by means of the jig 15 at a position corresponding to the jig 15 that is linearly moving up and down. The door 19 is provided within the chamber 11 so as to seal the gateway by linearly moving up and down and so as to create a vacant plane on the gateway for passing the work by horizontally moving.

Abstract: The process and apparatus for mobile separation and recovery of used contaminants abrasive blasting material from a work site. Entrained contaminants within used blast material are removed by a self-contained mobile platform process using multiple stage cleaning system including dual cyclonic separation, multiple stage dust filters with large debris magnetic drum, airwash and vibratory separation in a flow through containment and blast media separation process.

Abstract: A method of manufacturing a perpendicular magnetic recording medium substrate is capable of reducing the waviness of all wavelength components and a recording medium is capable of reducing contact with a magnetic head to improve the flying stability of the magnetic head. The method includes two polishing operations. The first operation includes polishing a substrate having a Ni—P-based alloy underlayer with a first porous material that includes 0.1 wt % to 25 wt % of alumina, titania, silica, and zirconia abrasive while supplying a first slurry liquid including an organic or inorganic acid and a first abrasive to the underlayer of the substrate. The second operation includes polishing a surface of the underlayer polished in the first polishing with a second porous material while supplying a second slurry liquid including an organic or inorganic acid and a second abrasive with a grain diameter smaller than that of the first abrasive.

Abstract: A treatment system for achieving a substantially uniform surface profile of a surface to be treated. The treatment system comprises a support panel which supports a rotatable orb, and the rotatable orb has an access aperture extending therethrough which facilitates receiving a desired surface treatment equipment. The access aperture is sized so as to permit the desired surface treatment equipment to pass therethrough and move relative thereto the access aperture, during surface treatment. The treatment system comprises a monitoring system for monitoring at least one of a spacing of a remote end of the surface treatment equipment from the surface to be treated and a treatment angle of the surface treatment equipment in order to control the surface treatment of the surface to be treated and achieve a substantially uniform surface profile, of the surface to be treated, following treatment.

Abstract: A method and method for processing grit used for abrasive blasting may include receiving grit blasted onto a surface, where the grit includes moisture content. Air in which the grit being recycled is being processed may be heated. The moisture content may be evaporated from the grit using the heated air to produce dry recycled grit. The dried recycled grit may be stored.

Abstract: A blast cabinet, translation system, and process for use in blasting a surface of a part with abrasive particulate. The blast cabinet includes a basin for gathering abrasive particulate, a covering movable to enclose an opening over the basin, a frame supporting the basin, and a plurality of wheels for rolling movement of the cabinet. The system also includes a plurality of supports for holding the part to be blasted and a track system to guide movement of the cabinet. At least one of the wheels may be configured to mate with the track system, and the track system can be clamped to at least one part support.

Abstract: A method and apparatus for removing contaminants from at least one portion of a semiconductor mold are disclosed. A nozzle is positioned at a preset position with respect to the portion of the semiconductor mold. Solid particles of a material that sublimes instantaneously along with at least one of the abrasives and additives are blasted at a predefined temperature and/or pressure over the portion, through the nozzle. On impact, the particles remove the contaminants from the portion of the semiconductor mold.

Abstract: A blast cabinet, translation system, and process for use in blasting a surface of a part with abrasive particulate. The blast cabinet includes a basin for gathering abrasive particulate, a covering movable to enclose an opening over the basin, a frame supporting the basin, and a plurality of wheels for rolling movement of the cabinet. The system also includes a plurality of supports for holding the part to be blasted and a track system to guide movement of the cabinet. At least one of the wheels may be configured to mate with the track system, and the track system can be clamped to at least one part support.

Abstract: A blasting apparatus capable of increasing suction power to collect an abrasive without exerting any influence on processing of a work surface with the abrasive. The apparatus includes a blasting nozzle (2) blasting an abrasive (100) on a surface (200a) of work (200), a cover (10) including a surface (10a) for airflow alignment parallel to the work surface and a blast hole (10b) through which the abrasive from the nozzle passes, a nozzle case (9) including the cover and surrounding the nozzle, and a collecting case (11) covering an outer surface of the nozzle case and including a collecting passage (11c) disposed around the nozzle case, from the passage, the abrasive being collected by suction, wherein the apparatus collects the abrasive that is blasted from the nozzle and strikes the work surface from the passage through a clearance (13) provided between the airflow-alignment surface and the work surface.

Abstract: The process and apparatus for mobile separation and recovery of used abrasive blasting material from a work site. Entrained contaminants within used blast material are removed by a self-contained mobile platform process using multiple stage cleaning system including dual cyclonic separation, multiple stage dust filters with airwash and vibratory separation in a flow through containment and blast media separation process.

Abstract: A device (33) for blast-machining or abrasive blasting objects such as structural elements, tools, household objects, pots, pans or the like, has a blast pot (3) for holding a blasting abrasive (35) which is connected via at least one line (21) to a blasting nozzle (24) which extends into a blasting space (1) in which the objects which are to be blasted can be placed. Compressed air is introduced above the blasting abrasive mixture (35) provided in the blast pot (3) by means of a pressure-generating means (43) and the blasting abrasive (35) thus being forced into the blasting space (1), the compressed air conveying via a second line (10) the granular material or the granular material mixture (35) and/or a suspension formed from granular material and liquid out of the blasting space (1) and back into the blast pot (3), which also takes the form of a pressurized space.

Abstract: A device (33) for blast-machining or abrasive blasting objects such as structural elements, tools, household objects, pots, pans or the like, has a blast pot (3) for holding a blasting abrasive (35) which is connected via at least one line (21) to a blasting nozzle (24) which extends into a blasting space (1) in which the objects which are to be blasted can be placed. Compressed air is introduced above the blasting abrasive mixture (35) provided in the blast pot (3) by means of a pressure-generating means (43) and the blasting abrasive (35) thus being forced into the blasting space (1), the compressed air conveying via a second line (10) the granular material or the granular material mixture (35) and/or a suspension formed from granular material and liquid out of the blasting space (1) and back into the blast pot (3), which also takes the form of a pressurized space.

Abstract: A containment assembly is described that includes a flexible enclosure and a panel attached to the flexible enclosure. The flexible enclosure includes a first opening that defines a periphery that is operable for attachment around a work area. The panel is attached to the enclosure about a periphery defined by a second opening in the enclosure. A sealable access port is also associated with the enclosure, operable to provide a user with access to an interior of the enclosure.

Abstract: Provided is an easily entrance vestibule configured to be quickly and easily installed on a conventional blasting machine, wherein the entrance vestibule includes an entrance channel configured to allow work-pieces to enter the blasting machine for blasting operations. The entrance vestibule is configured to create an airflow through the entrance channel to urge particulate from escaping the blasting machine through the entrance channel. The entrance vestibule is further configured to allow for quick and easy removal of the vestibule from the blasting machine at the conclusion of the blasting operations.

Abstract: The shot-blasting machine for surface treatment of products comprises a base frame, a containing chamber for containing at least a product to be treated associated to the base frame and provided with at least an access opening, one or more projecting organs associated internally of the chamber for projecting a flow of shot-blasting particles onto the product, and automated unloading means associated to the base frame which cause the product to exit from the chamber through the access opening.

Abstract: A containment system comprising a rigid support panel separating a treatment area from a work area, the rigid support panel having an access aperture within which a spherical orb is rotatably and pivotably supported. The spherical orb has a port for accommodating a surface treatment equipment and the spherical orb has a viewing aperture to facilitate viewing of a surface of an object to be treated during surface treatment. The rigid support panel is used in combination with one of a rigid structure and flexible barrier to prevent any blasting media, contaminants and debris from escaping a treatment area. A transparent window seals the viewing aperture and separates an operator from a treatment area accommodating the object to be treated. The flexible barrier is translucent to permit exterior light to pass therethrough and illuminate the object to be treated.

Abstract: A sandblasting apparatus includes a chamber defining a cavity, a support assembly received in the cavity, a first and a second sandblasting assemblies. The support assembly includes a number of pairs of elongated support plates for holding a plate-shaped workpiece therebetween. The support plates are moveable along a vertical direction and a first horizontal direction. The first sandblasting assembly is configured for spraying sand downwardly toward the plate-shaped workpiece so as to cut the plate-shaped workpiece into a number of workpiece strips. The second sandblasting assembly is configured for spraying sand toward the workpiece strips along a second horizontal direction perpendicular to the first horizontal direction so as to cut the workpiece strips into workpiece blocks.

Abstract: A sandblasting apparatus for cutting a plate-shaped workpiece into a plurality of separate tablets includes a chamber defining a cavity, a support assembly received in the cavity, a sandblasting assembly for spraying sand toward the workpiece, a first mask located between the sandblasting assembly and the support assembly, a second mask located between the sandblasting assembly and the support assembly, and a mask switching member for selectively placing the first mask or the second mask over the workpiece. The support assembly is configured for supporting the workpiece and the tablets. The first mask cooperates with the sandblasting assembly to remove unwanted portions of the workpiece thus obtaining a tablet network consisting of a plurality of tablets and a plurality of connecting portions interconnected between the tablets. The second mask cooperates with the sandblasting assembly to remove the connecting portions of the tablet network thus obtaining a plurality of separated tablets.

Abstract: The present invention provides an apparatus for removing the unnecessary thin-film layer on the periphery of the substrate of the plate-like member having a square shape, on the surface of which substrate is formed a thin-film layer. The apparatus comprises a chamber to treat the peripheral part where the peripheral part of the plate-like member is inserted and where the unnecessary thin-film layer on the peripheral part of the plate-like member is removed; and a means to move the plate-like member. The chamber to treat the peripheral part comprises a cover to prevent the scattering of the sprayed particles and the dust for treating the peripheral part, the cover having one of its end-sides that forms a ceiling being closed and having the other end-side that is opposed to the ceiling being open and a suctioning cover for treating the peripheral part, having an opening that has the same shape as the opening of the cover to prevent the scattering of the dust.

Abstract: A glass manufacturing device includes a working container, a loading device, a sand blower, a shielding device, and a supporting device. The loading device is received in the working container and configured for loading a glass substrate in place. The sand blower is arranged opposite to the loading device and configured for sandblasting the glass substrate. The supporting device is used for supporting the shielding device and pressing the shielding device onto the glass substrate during the process of sandblasting. The shielding device includes a shielding cover having a number of shielding units. The shielding units are configured to shield portions of the glass substrate and prevent the portions of the glass substrate from being cut during sandblasting.

Abstract: A glass manufacturing device includes a work container, a loading device, a sandblaster, a shield device, and a lift device. The loading device is received in the work container and loads a glass substrate in place. The sandblaster is arranged opposite to the loading device and sandblasts the glass substrate. The lift device is connected to the shield device and used for pressing the shield device onto the glass substrate during the process of sandblasting. The shield device includes a shield cover having a number of shield units. The surfaces of the shield units facing the bottom of the work container are engaged with elastic washers. The shield units are configured to shield portions of the glass substrate and prevent the portions of the glass substrate from being cut during sandblasting.

Abstract: A glass manufacturing device includes a main body defining a working space, a fixing device and a grit blower in communication with the working space. The fixing device includes a first fixing assembly, a second fixing assembly, and a locking assembly. The first and second fixing assemblies are rotatably connected with each other and used for clamping a glass substrate. The first fixing assembly includes a number of shielding elements spaced from each other. The locking assembly is used for locking the first and second fixing assemblies. The grit blower is disposed opposite to the first fixing assembly and used for blasting grit on the glass substrate, and thus the portions of the glass substrate which are not shielded by the shielding elements are cut off during the process of grit-blasting. Remaining portions of the glass substrate shielded by the shielding elements are the desired product.

Abstract: Mobile blasting cubicle (100) having two sides (204), a roof (112; 208) and a front cover (102), wherein the front cover has two openings (104) for the passage of human arms (202), and having a rear cover which can be opened, wherein the front cover can be displaced in the longitudinal direction towards the rear cover.

Abstract: An abrasive water jet processing machine for jetting a fluid and performing a cutting includes a fluid supply device, an abrasive supply device, an injection pressure controller, wherein the abrasive supply device includes a reservoir hopper consisting of a pressure vessel for reserving the abrasive, an abrasive supply tube for communicating with the reservoir hopper and the nozzle, and an air purge device for supplying compressed air to the abrasive supply tube and the reservoir hopper; the injection pressure controller performs a two-stage control of controlling injection pressure in a piercing; and the air purge device includes a flow pressure controller for controlling flow pressure of compressed air passing through the abrasive supply tube, wherein the flow pressure controller controls the flow pressure in the piercing to be higher than that in the cutting.

Abstract: A blast cabinet, translation system, and process for use in blasting a surface of a part with abrasive particulate. The blast cabinet includes a basin for gathering abrasive particulate, a covering movable to enclose an opening over the basin, a frame supporting the basin, and a plurality of wheels for rolling movement of the cabinet. The system also includes a plurality of supports for holding the part to be blasted and a track system to guide movement of the cabinet. At least one of the wheels may be configured to mate with the track system, and the track system can be clamped to at least one part support.

Abstract: Apparatus for treating a workpiece has first and second regions at least partially enclosed by a casing and in communication via a passage, and support means for a carrier holding the workpiece in the first region for treatment. Pressure difference between the regions forces the workpiece toward the carrier and guides a flow of media from the first to the second region through the passage, at least partly, to create said pressure difference. Method for treating at least one workpiece holds the workpiece by forcing it toward the carrier with a created pressure difference between two regions. Holding also guides a flow of media from the first region to the second region through the passage in order to, at least partly, create said pressure difference. The treatment may comprise blasting, rinsing or drying. The workpiece may comprise cutting inserts, electronic components, small sized machined or formed components or parts.

Abstract: In blasting with an abrasive containing liquid to confer elasticity, the abrasive from which liquid evaporates in the course of continuance use is uniformly supplied with liquid. Liquid for swelling an elastic abrasive is sprayed in an air flow for transporting the abrasive in a blasting machine 1 including an abrasive-recovery duct 91 communicating between a bottom of a cabinet 2 and an abrasive-recovery tank 3, the abrasive-recovery tank 3, a compressed gas before being introduced into a blasting gun 8, and so forth. Since the abrasive being transported in the air flow is separated into individual particles, each abrasive can be uniformly supplied with liquid.

Abstract: A cleaning apparatus includes a cleaning tank having a space to contain flexible flake cleaning media, a cleaning target object holding unit holding a cleaning target object having adherent substances inside the cleaning tank, a gas flow generator unit generating a gas flow to move the cleaning media toward the cleaning target object such that the cleaning media contact the cleaning target object to remove the adherent substances from the cleaning target object, and an adherent substance collection unit moving the gas flow to collect the adherent substances removed from the cleaning target. A surface of the cleaning medium includes abrasive grains to remove the adherent substances from the cleaning target object by causing the surface of the cleaning medium having the abrasive grains to slide on the cleaning target object while the surface of the cleaning medium having the abrasive grains is in contact with the cleaning target object.

Abstract: An abrasive water jet processing machine for jetting a fluid and performing a cutting includes a fluid supply device, an abrasive supply device, an injection pressure controller, wherein the abrasive supply device includes a reservoir hopper consisting of a pressure vessel for reserving the abrasive, an abrasive supply tube for communicating with the reservoir hopper and the nozzle, and an air purge device for supplying compressed air to the abrasive supply tube and the reservoir hopper; the injection pressure controller performs a two-stage control of controlling injection pressure in a piercing; and the air purge device includes a flow pressure controller for controlling flow pressure of compressed air passing through the abrasive supply tube, wherein the flow pressure controller controls the flow pressure in the piercing to be higher than that in the cutting.

Abstract: The problem of controlling dust during an operation such as a micro-etching process, associated with a dental appliance in an efficient and economical manner is solved by a unit which is portable and which encloses the appliance during the micro-etching process.

Abstract: An abrasive water jet processing machine for jetting a fluid and performing a cutting includes a fluid supply device, an abrasive supply device, an injection pressure controller, wherein the abrasive supply device includes a reservoir hopper consisting of a pressure vessel for reserving the abrasive, an abrasive supply tube for communicating with the reservoir hopper and the nozzle, and an air purge device for supplying compressed air to the abrasive supply tube and the reservoir hopper; the injection pressure controller performs a two-stage control of controlling injection pressure in a piercing; and the air purge device includes a flow pressure controller for controlling flow pressure of compressed air passing through the abrasive supply tube, wherein the flow pressure controller controls the flow pressure in the piercing to be higher than that in the cutting.

Abstract: A media blast nozzle for cleaning a surface with compressed air and ejected particles of a sublimating blast media comprises a media size changer to change a size of the blast media particles. The media blast nozzle has an entrance and an exit and a throat therebetween. A converging passageway extends from the entrance to the throat, and a diverging passageway extends from the throat to the exit. The media size changer is operably located in the diverging passageway and has one or more media size changing members to fragment moving blast media particles by impact therewith. The blast media particles are provided to the media blast nozzle in an initial consistent size, and when a moving blast media particle impacts with one or more media size changing members, two or more fragments of reduced size are created from the initial blast media particle for ejection from the nozzle device. The media size changer can be adjusted by an operator to eject whole particles or fragments of particles.

Abstract: The method of the present invention includes: a first blasting step of carrying out blasting of the surface of a metal base material, such as a shower head or a processing container, by using a blasting material composed of a non-sublimable material (e.g. alumina); and a second blasting step of carrying out blasting of the surface of the metal base material, which has undergone the first blasting step, by using a blasting material composed of a sublimable material (e.g. dry ice). The first blasting step properly roughens the surface of the metal base material so that a film, which adheres to the surface during film-forming processing, hardly peels off. In addition, the second blasting step almost fully removes the residual non-sublimable blasting material adhering to the surface of the metal base material, thereby preventing the generation of particles deriving from the residual non-sublimable blasting material falling off the metal base material.

Abstract: A glass manufacturing device includes a work container, a loading device, a sandblaster, a shield device, and a lift device. The loading device is received in the work container and loads a glass substrate in place. The sandblaster is arranged opposite to the loading device and sandblasts the glass substrate. The lift device is connected to the shield device and used for pressing the shield device onto the glass substrate during the process of sandblasting. The shield device includes a shield cover having a number of shield units. The surfaces of the shield units facing the bottom of the work container are engaged with elastic washers. The shield units are configured to shield portions of the glass substrate and prevent the portions of the glass substrate from being cut during sandblasting.

Abstract: A sandblasting apparatus for cutting a plate-shaped workpiece into a plurality of separate tablets includes a chamber defining a cavity, a support assembly received in the cavity, a sandblasting assembly for spraying sand toward the workpiece, a first mask located between the sandblasting assembly and the support assembly, a second mask located between the sandblasting assembly and the support assembly, and a mask switching member for selectively placing the first mask or the second mask over the workpiece. The support assembly is configured for supporting the workpiece and the tablets. The first mask cooperates with the sandblasting assembly to remove unwanted portions of the workpiece thus obtaining a tablet network consisting of a plurality of tablets and a plurality of connecting portions interconnected between the tablets. The second mask cooperates with the sandblasting assembly to remove the connecting portions of the tablet network thus obtaining a plurality of separated tablets.

Abstract: A sandblasting apparatus includes a chamber defining a cavity, a support assembly received in the cavity, a first sandblasting assembly, and a second sandblasting assembly. The support assembly includes a plurality of pairs of elongated support plates for holding a plate-shaped workpiece therebetween. The support plates are moveable along a vertical direction and a first horizontal direction. The first sandblasting assembly is configured for spraying sand downwardly toward the plate-shaped workpiece so as to cut the plate-shaped workpiece into a plurality of workpiece stripes. The second sandblasting assembly is configured for spaying sand toward the workpiece stripes along a second horizontal direction perpendicular to the first horizontal direction so as to cut each of the workpiece stripes into workpiece block, and processing the workpiece blocks into cylindrical workpieces.

Abstract: A glass manufacturing device includes a working container, a loading device, a sand blower, a shielding device, and a supporting device. The loading device is received in the working container and configured for loading a glass substrate in place. The sand blower is arranged opposite to the loading device and configured for sandblasting the glass substrate. The supporting device is used for supporting the shielding device and pressing the shielding device onto the glass substrate during the process of sandblasting. The shielding device includes a shielding cover having a number of shielding units. The shielding units are configured to shield portions of the glass substrate and prevent the portions of the glass substrate from being cut during sandblasting.

Abstract: A method is provided for removing iron oxide scale from sheet metal and producing a sheet metal surface with rust inhibitive properties. The sheet metal is advanced through the descaling cell and a slurry mixture is propelled against at least one of the top surface and bottom surface of the sheet metal across the sheet metal width as the material is advanced through the descaling cell. The rate of slurry impact against the at least one of the top surface and bottom surface of the sheet metal is controlled in a manner to remove substantially all of the scale from a surface of the sheet metal, and in a manner to create a passivation layer on the descaled surface of the sheet metal. The passivation layer comprises at least one of silicon, aluminum, manganese and chromium and inhibits oxidation of the descaled surface of the processed sheet metal.