Abstract: A selectively configurable spray gun may include a gun body comprising a selectable forward section and a rearward section. The rearward section may be connected with either of two or more selectable forward sections so as to selectively configure the spray gun to operate either with a dense phase powder supply configuration or a with dilute phase powder supply configuration. The rearward section may include a selectable powder flow path that is connectable at an inlet end to a source of dense phase powder and at an outlet end to a selectable spray nozzle in the selectable forward section that may optionally include a diffuser. An adapter may be used to connect the rearward section with a selectable spray nozzle or air cap. A manual spray gun embodiment is also presented. A selectively configurable spray gun for use with a dense phase powder supply may include a smaller diameter powder tube that extends through a larger diameter powder tube.

Abstract: A cold spray system includes a powder generator and a powder feeder. The powder generator has a powder source disposed within a housing. The powder feeder is in fluid communication with the housing and the powder generator within the housing. A closed circuit defined from the powder generator to the powder feeder conveys powder from the powder generator to the powder feeder without exposing the powder to contaminates from outside the closed circuit.

Abstract: A sprayer for dispensing a flowable product is disclosed and includes two (2) primary components including a housing and a valve insert. The housing includes a proximal end for connection to a supply of liquid and a separate attachment structure for connection to a product container, the product container including a flowable product which is intended to mix with the supply of liquid. A valve insert is assembled into the housing and the valve insert is movable in a rotary fashion relative to the housing in order to select one (1) of three (3) settings. The three (3) settings include an “OFF” position, a “light” product mix ratio setting and a “heavy” product mix ratio setting.

Abstract: A multifunctional electric spray gun, comprising: a handle, a pump, and a plurality of painting components, the pump is connected to the handle, and each one of the painting components can respectively be fastened to the handle in a detachable fashion to form the electric spray gun, the painting component consists of a gun pipe and a paint tank connected with the gun pipe, and the gun pipe is fastened to the handle in a detachable fashion. The multifunctional electric spray gun of the present utility model has the following advantages: the present spray gun comprises a handle and a plurality of painting components, each painting component can be fastened to the handle in a detachable fashion and forms an electric spray gun. While using the spray gun, different paint tanks can be filled with different colours of paints. Painting different colours can be achieved by fastening different painting components to the handle.

Abstract: A dispenser for a consumable product having a backplate for mounting to a wall and a cover member pivotably mounted to the backplate for relative movement between a closed position and an open position.

Abstract: A trigger dispenser device (1) for a liquid includes a dispenser head (20) provided with a pressure chamber (24) and a piston (26) sliding in the pressure chamber (24). A valve dispenser is provided to permit the passage of the liquid towards a dispenser duct (30) upon reaching a threshold pressure, and a trigger suitable for mechanically operating on dispenser valve to force the valve towards the open configuration.

Abstract: A pump for dispensing fluid includes a dome portion for storing the fluid received through a pump inlet. The dome portion is movable between a compressed state and an uncompressed state. The pump includes a flexible membrane having a first pliability when a first voltage is applied and a second pliability when a second voltage is applied. The pump includes a first biasing device that applies a first force in a first direction to the flexible membrane. The flexible membrane moves the dome portion from the uncompressed state to the compressed state. The pump includes a second biasing device that applies a second force in a second direction to the dome portion to move the dome portion from the compressed state to the uncompressed state when the flexible membrane has the second pliability. Alternatively, the dome portion moves in the second direction in response to a gravitational force.

Abstract: An automated system for painting a shoe sole portion of a shoe is provided. The automated painting system is adapted to use a variety of stations and components to automatically paint a side surface of the shoe sole portion while it is secured in a jig, transition the jig to an open position, and remove the painted shoe sole portion from the jig.

Abstract: A dry etcher comprises: a reactor and an upper electrode plate and a lower electrode plate which are mounted in the reactor, a plurality of ventholes set correspondingly to the etching areas are defined in the upper electrode plate for blowing gas into the reactor; a flow controller connected to the reactor for alternately controlling the gas rates of the ventholes; some etching rate detectors mounted in the reactor for detecting the etching rates of the etching areas; a center controller electrically connected to the flow controller and the etching rate detectors respectively for obtaining etching rate of the etching areas and controlling the flow controller to adjust the gas rate of the ventholes corresponding to said etching areas while the etching areas have different etching rates, thus ensuring the etching rates of the plurality of etching areas are equal. An etching method is also provided.

Abstract: A thin film forming apparatus comprises a first storage unit, a first nozzle unit, a first light-irradiating unit, a second storage unit, a second nozzle unit, and a second light-irradiating unit. The first storage unit is configured to store a first organic material. The first nozzle unit is connected to the first storage unit and is configured to spray the first organic material stored in the first storage unit. The first light-irradiating unit is disposed adjacent to the first nozzle unit and is configured to irradiate light having a wavelength that cures the first organic material. The second storage unit is configured to store a second organic material. The second nozzle unit is disposed adjacent to the first nozzle unit, is connected to the second storage unit, and is configured to spray the second organic material stored in the second storage unit.

Abstract: A nozzle apparatus (10) comprising: an inlet, an outlet, a filter (20) disposed between the inlet and the outlet, and, a container (40); wherein the nozzle apparatus defines a first flow path for particles too large for said filter and a second flow path towards the outlet for particles small enough for said filter; and wherein the container (40) is provided downstream of the first flow path. In this way the pressure on the container downstream of the first fluid path causes the debris to accumulate therein and the nozzle is less liable to blockages. To facilitate this, the size of the inlet may be the same size or bigger than the size of the flow path between the screen and the container. The container is normally removable and reattachable e.g. from the filter to remove debris. The filter may also comprise apertures and these may be of a size equal to or smaller than the outlet of the nozzle apparatus downstream of the second flow path.

Abstract: The present disclosure provides a device for preventing the fouling of a liquid dispensing nozzle. The end of the dispensing nozzle is placed in a hollow interior of a band carrying the same solvent that is dispensed by the nozzle. The solvent on the band evaporates into a gap between the band and the dispensing nozzle, thus providing a vapor sheath, or environment in the gap, that helps to prevent the fouling of the dispensing nozzle.

Abstract: A process kit for a semiconductor processing chamber is provided. In one embodiment, a process kit includes an annular deposition ring body comprising a trough recessed into an upper surface of the body wherein a lowest point of the trough extends to at least half of the thickness of the ring body as defined by a top wall and a bottom wall. In another embodiment, a process kit includes an annular deposition ring body comprising a sloped upper wall defining at least a portion of an upper surface of the body, wherein a peak of the sloped upper wall extends from an inner wall of the body to at least half of a distance between the inner wall and an outer wall of the body.

Abstract: A masking plug may including a retainer having a longitudinal axis, the retainer including a central portion and an axially aligned anchor portion, the anchor portion being outwardly biased relative to the longitudinal axis, and a plug body disposed around the central portion, wherein the anchor portion is configured to exert an axial force upon the plug body when inserted within an opening.

Abstract: The invention relates to a metering device (5) for a fluid, in particular hot melt adhesive, adapted for use with a dispensing apparatus (1) for said fluid or a remote metering apparatus (16) for transporting said fluid, comprising a housing (28), said housing comprising a fluid inlet and one or more fluid outlets, a gear (34) which is rotatably supported in said housing (28) and inserted in a gear chamber (31) in the housing (28) such that a cavity for fluid transport is formed in between two adjacent teeth and said housing (28), one or more chamber inlets in fluid communication with said fluid inlet and said gear chamber (31) such that fluid may flow into said gear chamber (31).

Abstract: A heat exchange system 62 includes heat exchangers 69a and 69b that heat or cool a fluid passing therethrough; a fluid supply unit 81 that supplies the heating target fluid or the cooling target fluid into lower portions thereof; and a fluid discharge unit 82 that discharges the heated fluid or the cooled fluid from upper portions thereof. The fluid supply unit includes inlet lines 85 and 86 through which the fluid is introduced; a first manifold 87 located above the upper end portion of the heat exchangers and connected with the inlet lines; a gas exhaust line 88 that is connected to the first manifold and exhausts a gas mixed in the fluid; a supply line 89 that supplies the fluid from the first manifold. While passing through the heat exchangers from the lower portions toward the upper portions thereof, the fluid is heated or cooled.

Abstract: The invention disclosed herein is directed to a caulking tip assembly adapted for controllably dispensing a caulking material from a caulked-filled canister or tube. The caulking tip assembly comprises a tapered nozzle that includes an attachment end section and a dispensing tip section. The attachment end section is removably attachable to a dispensing end portion of the canister or tube, and the dispensing tip section conically tapers to a tip. The caulking tip assembly further comprises an adjustable valve positioned, at least in part, within the tapered nozzle and between the attachment end section and the dispensing tip section of the tapered nozzle. The adjustable valve is rotatably adjustable between a fully open position and a fully closed position.

Abstract: A device and process for producing composite particles capable of adding a control agent for controlling a surface charge of particles such as a polymer electrolyte without being in excess or short. The production device includes a reservoir tank holding liquid containing either a first group or a second group of particles; a dispersion state measuring mechanism measuring a dispersion state of the particles in the liquid held in the reservoir tank; a dispersion state storage storing the dispersion state measured by the dispersion state measuring mechanism when a control agent for controlling a surface charge of the particles contained in the liquid in the reservoir tank is added into the reservoir tank; and an information output outputting information indicating that the dispersion state of the particles in the liquid in the reservoir tank is a desired state, based on the dispersion state stored in the dispersion state storage.

Abstract: Disclosed herein are methods of treating an article surface. The method comprises removing a metal oxide surface from the metal substrate to expose a metal surface; and delivering particles comprising a dopant from at least one fluid jet to the metal surface to impregnate the surface of the article with the dopant. The method also comprises delivering substantially simultaneously a first set of particles comprising a dopant and a second set of particles comprising an abrasive from at least one fluid jet to a surface of an article to impregnate the surface of the article with the dopant.

Abstract: A method for digital printing of a composite film or a film is provided in which a corona pretreatment of the composite film or the film is performed, the film is primed with a primer, a corona pretreatment of the primed composite film or the film is performed, the corona-pretreated, primed composite film or the film is printed using a digital printing method, and a protective paint is applied on the printed, corona-pretreated, primed composite film or the film.

Abstract: Silica-coated nanodiamonds and methods of preparing silica-coated nanodiamonds are disclosed. The method comprises contacting a nanodiamond entrapped in a liposome with a silica precursor and reacting the silica precursor to form a coating of silica on the nanodiamond.

Abstract: A method of polishing a stone surface comprises pre-treating the stone surface, applying a liquid film forming composition to the stone surface, and drying the liquid film forming composition on the stone surface. The pre-treatment includes burnishing the stone surface to form a pretreated stone surface. The liquid film forming composition includes 1 to 10 wt % polymer and 0.1 to 5 wt % wax. The polymer includes acrylate polymer and/or styrene-acrylate copolymer. The dried coating has a thickness of from 0.05 mil to 0.27 mil.

Abstract: The present invention develops a method of treating metallic or plastic substrates to form minor finish. After several pre-treatment steps to modify the surface situation of the substrate, whether for metallic or plastic material, to enhance the adhesion of above coating layers, a layer of minor finish will be applied, with the function of decoration shown with metal appearance and glossy. A changeable topcoat will be coated to protect below minor finish layer and achieve colorful decoration. All materials and processing steps are environmentally friendly, and involved without expensive facilities.

Abstract: The invention is directed to a sand straining tool. The tool is intended for use in sifting through sand to collect objects. An elongated cylindrical shaft terminates at the upper end in a T-shaped handle. The lower end of the shaft includes a bowl-shaped, porous sifter at the center of a small shovel blade, attached to the shaft at an oblique angle. The angle of the shovel blade allows the user to scoop up sand easily with substantial mechanical advantage, and the T-shaped handle allows the user to agitate the shovel blade so that the sand and any objects it contains will descend into the sifter, with the sand escaping through the holes in the sifter. The design is lightweight, and intended for use on the beach as well as in shallow water.

Abstract: A molded polyurethane vibratory screen including a body having opposite side edge portions, upper and lower edge portions, an upper surface and a lower surface, first members extending between the side edge portions and the second members extending between the lower edge portion and the upper edge portion, third members substantially parallel and extending transversely between the side edge portions and having multiple first members therebetween, the fourth members substantially parallel and extending transversely between the lower edge portion and the upper edge portion and having multiple second members therebetween, reinforcement members molded integrally with the third and fourth members.

Abstract: Systems and methods for managing the waste associated with the extraction of rubber from guayule shrubs are provided. Also provided is a portable local sub-station for reducing the transportation costs associated with the processing of guayule shrubs for the extraction of rubber. Use of the disclosed systems, methods and/or local sub-station can reduce transportation costs, reduce processing costs and reduce the downstream processing complexity associated with the extraction of rubber from guayule shrubs.

Abstract: A system and method is disclosed for cleaning an anilox roll and/or ink chamber of a converter. The system includes: a water supply (10a) adapted to supply water through an automatically controllable water supply valve (11a) to wash anilox roll and/or ink chamber; a cleaning solution supply (20a) adapted to supply a cleaning solution through an automatically controllable cleaning solution supply valve (21a) to clean the anilox roll and/or ink chamber; and a programmable controller(70) programmed to operate the automatically controllable valves (11a,21a) so as to deliver a timed sequence of water and cleaning solution to the cleaning part upon the occurrence of a cleaning cycle initiation condition.

Abstract: A system for cleaning a photomask with a target surface includes a retaining device for retaining the photomask, a cleansing device, an elevating platform and a drying device. The cleansing device has a fluid dispensing unit and a scrubbing unit. The scrubbing unit having a saturated scrubbing surface is used to clean photomasks with the obliquely dispensed fluids. In such a fashion, loosened contaminants are removed. At least one oblique surface is formed on the peripheries of the scrubbing surface to form a channeling region such that fluids can instantly flow away from photomasks after cleaning to prevent re-contamination.

Abstract: According to one embodiment, a reticle chuck cleaner for cleaning a reticle chuck of an EUV exposure apparatus includes a substrate having a shape to be carried to the reticle chuck of the EUV exposure apparatus, and an adhesive formed on one of the main surfaces of the substrate.

Abstract: A cleaning apparatus for cleaning a gun has an inlet for fluid, and outlet for the fluid, an inlet for gas, and an outlet for the gas. The cleaning apparatus includes a support structure, a fluid feed head carried by the structure and connectable to the paint inlet of the gun and a fluid reception system that includes a fluid reception nozzle having a fluid passage connectable at its inlet to the outlet of the gun for the fluid to be sprayed, and a gas removal duct connectable at its inlet to the gas outlet of the gun. The nozzle is mounted to move relative to the support structure, in a direction substantially parallel to the axis of the inlet of the fluid passage between a position where it is closer to the fluid feed head and a position where it is spaced apart from the fluid feed head.

Abstract: The present invention relates to a method for the recovery of waste and cleaning of a hydrocarbon storage tank, comprising: evaluating the viscosity of a sludge existing at the bottom of the tank; solubilizing the sludge generating solubilized hydrocarbon; draining the solubilized hydrocarbon from inside the storage tank; mixing the sludge remaining inside the tank with water, by means of stirring, and keeping remaining hydrocarbon and water at rest until water/hydrocarbon separation; and removing from the tank at least one of remaining water and hydrocarbon. The present invention also refers to a system for the recovery of waste and cleaning of a hydrocarbon storage tank.

Abstract: A first roll (20) and a second roll (40) of a roll forming device are provided with a plurality of stacked cutting blades (22, 122) and retainers (21, 121). The retainers (21, 121) pass through the stacked cutting blades (22, 122) and receive a first rotating shaft (16) and a second rotating shaft (18). Projections (21a, 121a) are formed on end portions of the retainers (21, 121). When the cutting blades (22, 122) are stacked, the projections (21a, 121a) control positioning operation of the cutting blades (22, 122). With this constitution, when the cutting blades (22, 122) are joined in a stacked state to the retainers (21, 121), the cutting blades (22, 122) in the stacking direction is controlled with the retainers (21, 121).

Abstract: A forging apparatus and method is disclosed in which an extrusion punch 260 is held between an upper press 210 and a lower press 220 and propelled towards a billet 250 by a ram 240 to form an extruded shaped component 255. The extrusion punch 260 has a striking face 267 in which a recess 268 is formed. During the extrusion process, material 258 from the billet 250 enters the recess so as to lock the extrusion punch 260 and the shaped component 255 together. Accordingly the shaped component 255 is not lifted up with the upper press 210 when it is separated from the lower press 220, and so the position of the shaped component 255 after the forging/extrusion operation is known accurately and reliably.

Abstract: Rods with the transverse cross-section surface area of at least 150 mm2 and tensile strength UTS above 1200 Mpa is produced using a plastic deformation that consisted of one-pass hydrostatic extrusion of the billet 1 made of austenitic steel, with the initial temperature of the billet being below 100° C. The reduction R of the transverse cross-section surface area of the biller (1), which takes place during the extrusion, is at least 2.

Abstract: A solid actuator has an actuator structural unit, a top plate and a base plate. A hollow cylinder part made of maraging steel is heated to a predetermined first temperature at which the maraging steel is in an austenitic state. A corrugated tube is shaped from the hollow cylinder part by a shaping process, while the maraging steel is still in an austenitic state. The corrugated tube is cooled such that the maraging steel is in a martensitic state. The actuator structural unit is inserted into the corrugated tube. The top plate and the base plate are fixed to the corrugated tube such that the actuator structural unit is clamped between the top plate and the base plate at a predetermined pre-tension.

Abstract: The present invention proposes a crimping punch making it possible to obtain a crimping that is resistant to pulling out. To this end, the punch (20) comprises a fixing part (21) for fixing to the tool and a punching part (22) consisting of a spike (23) connected to the fixing part by a first (24) and a second (25) crimping face, the first crimping face (24) exhibiting a convex primary profile and a secondary profile comprising at least two teeth (241, 251), preferably between three and five teeth, advantageously three teeth.

Abstract: A retractable stock guide has a stationary guide rail on which a retractable guide cap is operably supported. The guide rail and cap have two through holes at opposite ends through which two mounting studs extend to attach the stock guide to an associated die member. The holes in the guide cap are ovate, and the heads of the mounting studs are tapered, whereby tightening of the mounting stud shifts the guide cap relative to the guide rail from an aligned, retracted load/unload condition, to an inwardly protruding, extended run condition, wherein the stock strip is slidingly captured between two like stock guides and the mounting surface of the die. Two ball bearing guides can be substituted for the stationary guide rail.

Abstract: A manufacturing method of a cover by bending a non-magnetic metal sheet, the cover being provided between an annular magnet fixed to a rotary member and a magnetic sensor detecting magnetism generated from the annular magnet, and a press die having a first die and a second die configured to be able to approach to and depart from each other. The method includes a bending step of bending the metal sheet by using a forming machine of which contact portion with the metal sheet is a non-magnetized portion. The press die presses and bends a non-magnetic metal sheet, and the first die and the second die include non-magnetic portions on a part of press faces configured to press the metal sheet, respectively, the non-magnetic portions facing each other.

Abstract: The invention relates to a method for producing a bolt (10) with a head (12) which is provided with a circumferential groove (20) or channel, wherein the groove (20) or channel is produced by pressing a bulge (18) against the head (12) by means of a radially active closing tool (112).

Abstract: On at least one surface of a structural part, on all or part of a hollow section between outer and inner peripheral borders, is associated at least one cover sheet made of rigid metallic material. The at least one cover sheet is mechanically fixed with the edge of the peripheral borders of the structural part, and covers all or part of inner cavities formed on open sides of the part. The at least one cover sheet has a triple function: to increase the rigidity of the structural part, to absorb shock by deforming in a plane while remaining integral with the part, and to allow reduction of the mass of the structural part and optimisation of the mass/performance ratio.

Abstract: The present invention discloses a control method for continuous casting steel pouring, wherein: Step one: measuring and reading a steel ladle pouring position signal by a steel ladle position sensor (14) mounted on a turntable of a steel ladle; Step two: judging whether the pouring of the steel ladle (1) has begun therein by a steel pouring optimization control computer (13); Step three: feeding a data of a steel slag measurement sensor (2) mounted above a steel ladle sliding nozzle (15) to an inferential controller; Step four: in the inferential controller, conducting a comparison between the read data of the steel slag measurement and the manually set value of steel slag, and back to the former step if the measured value of the steel slag measurement is smaller than the manually set value of steel slag; if the current measured value of the steel slag measurement is greater than the manually set value of the steel slag, outputting and feeding a cylinder control variable to a PI controller; Step five: conduct

Abstract: Methods and processes are described that form ceramic wear surfaces on the outer surface of a cast part. A mold having a mold cavity is provided. The mold cavity may be washed using a refractory wash to provide for a smoother finish to the surface of the cast part and to maintain mold integrity. An adhesive is applied to predetermined locations in which increased wear during the use of the cast parts is anticipated to occur. Ceramic material may be applied to the predetermined locations by various means. A mask may be used to remove excess material from areas other than the predetermined locations. A molten metal is poured into the mold cavity and allowed to cool to form a cast part with a ceramic wear surface.

Abstract: A method for producing a metal particle which includes the steps of: mixing a metal salt and a polycarboxylic acid in a liquid phase; adding a reducing agent to the resultant mixture to deposit metal particles; and drying the deposited metal particles.

Abstract: A hole saw includes a circular saw blade and a cover plate. The circular saw blade is made by rounding a lengthwise rectangular metal sheet and connecting two ends thereof to define therein an accommodating space. The circular saw blade has one edge provided with a plurality of sawteeth and an opposite edge provided with a connecting portion. The cover plate covers the connecting portion of the circular saw blade and has a base, a positioning portion and a shoulder. The positioning portion extends from the base toward the connecting portion. The shoulder is formed between the base and the positioning portion. Thereby, the hole saw has advantages about low manufacturing costs and short production cycle. Besides, since the shoulder increases contacting area between the circular saw blade and the cover plate, the structural firmness of the soldered hole saw is improved.

Abstract: A face milling tool includes a tool body having a central rotation axis around which the tool is rotatable, and at least one insert seat formed in a transition between a front end and an envelope surface of the tool. The tool further includes at least one cutting insert mounted in the insert seat, the cutting insert having an upper side defining an upper extension plane, a cutting edge extending around the circumference of the upper side, and a lower side defining a lower extension plane directed towards the bottom support surface of the insert seat. A center axis extends perpendicularly through the upper and the lower extension planes. The tool is configured such that a main cutting edge portion is at an entering angle ? smaller than 80° and such that the upper extension plane is at a radial tipping-in angle ?60°??f??25° and at an axial tipping-in angle ?20°??m?0°, such that an angle of inclination ? of the main cutting edge portion is within the range 15°???50°.

Abstract: A cutting insert having two end surfaces and a peripheral surface, the end surfaces located on opposite sides of a mid-plane, each end surface having three primary apexes and three secondary apexes. Six cutting portions are formed along the intersection of the peripheral surface and the end surfaces. Each cutting portion has a first cutting edge and a second cutting edge extending transversely thereto. A ramping cutting edge extends between the second cutting edge of each cutting portion and the first cutting edge of an adjacent cutting portion. The peripheral surface has a clearance surface extending from each of the second cutting edges towards the mid-plane. The abutment planes of the insert are parallel to the mid-plane. Each of the first cutting edges lies between an adjacent abutment plane and adjacent primary apex.

Abstract: An indexable cutting insert for a milling tool includes an upper side defining an upper extension plane and a lower side defining a lower extension plane parallel to the upper extension plane. A side surface connects the upper side and the lower side, the side surface including a plurality of upper main clearance surfaces and secondary clearance surfaces. At least six identical and alternately usable upper cutting edges extend around the upper side. Each cutting edge has a chip removing main cutting edge portion and at least one secondary cutting edge portion. The main cutting edge portion is formed in a transition between the upper side and one of the upper main clearance surfaces. The secondary cutting edge portion is formed in a transition between the upper side and one of the secondary clearance surfaces between two main cutting edge portions. The upper main clearance surfaces are formed at an obtuse inner angle ? with respect to the upper extension plane as seen in side elevation view.

Abstract: The Colli-BeckSS is a zero-clearance throat plate designed specifically for SawStop table saws. The plate has many new and unique features, including a replaceable-insert design for continual zero-clearance with all blade kerfs, anti-pinch features for the replaceable insert, anti-flip-back features for the plate, and surface leveling features. This plate is designed to outperform any previously made throat plates made for the SawStop table saw.

Abstract: A saw blade is configured with groupings of teeth that include a raker tooth, a left set toot, and a right set tooth. During a manufacturing procedure, a manufacturer creates the cutting surfaces in each of the teeth following a setting process. For example, for each of the right and left set teeth, the manufacturer forms a lateral contact portion, a back portion, and a medial dress angle portion. Additionally, the manufacturer forms first and second side angle portions in each non-set tooth. In use, the tooth form pattern of teeth can provide a substantially smooth finish to a work piece.

Abstract: The present invention refers to a mini-blade (1) which body (2) has an inner edge (4) in which there is, at least, one transversal tab (6) that constitutes a retention means of the mini-blade (1) in an adapter device (20); between the inner (4) and the external (3) edges, the body (2) has the sufficient extension to form clamping portions (7)(8) that allow the application of clamping peripheral tabs (30). The invention also refers to an adapter device (20) that, for the mounting of a rotary work structure (40) of pneumatic roughing down, includes clamping sets (20) composed of ending supports (21)(22) and intermediary separator supports (23), all of which have clamping transversal peripheral tabs (30) that form jaws capable of clamping the clamping positions (7)(8) of the mini-blade (1).