A method for surface finishing an object, comprising: surface finishing at least one surface of the object by moving a combination of a plurality of electrically conductive particles and at least one abrasive particle relative to the object, the combination and the at least one surface being in a medium, the object being electrically connected with a first pole of at least one electric source and the medium being electrically connected with a second pole of the at least one electric source, and one or more particles of the plurality of electrically conductive particles comprising an electrolyte. Also, an object, a composition, a machine, an apparatus, and an assembly.
MACHINING TOOL OR OTHER TYPE OF PART COMPRISING A CERAMIC-METAL COMPOSITE MATERIAL, MACHINING PROCESS, MOVEMENT TRANSFER PROCESS, MACHINING MACHINE AND COMPLEX ELEMENT
The invention relates to a machining tool and to a surface finishing process using the DL method, said tool comprising a ceramic-metal composite material having a homogeneous surface polishing. In some embodiments, the machining tool demonstrates, after polishing, a compressive tension of less than -500 MPa or equal to or greater than 40% of the compressive stresses generated during the grinding process. In some embodiments of the invention, the machining tool has a homogeneous surface polishing along the cutting edge, i.e. a perfect planarity between the metal elements and the ceramic elements of the tool, in such a way that the roughness of the cutting edge of the tool is of the submicrometric order. In some cases, the machining tool has a change in roughness between the cutting edge and the faces adjacent to the cutting edge along the homogeneous or regular cutting edge of the tool.
B24B 31/00 - Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work or the abrasive material is looseAccessories therefor
B24B 39/00 - Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zoneAccessories therefor
3.
DEVICE AND METHOD FOR ELECTROPOLISHING BY MEANS OF A CONDUCTIVE SURFACE
The invention describes a device for electropolishing by means of a conductive surface (1) which contacts a metal part (2) to be polished, with a relative movement being caused between the conductive surface (1) and the metal part (2) to be polished, and wherein the part (2) is connected to the power source (3) and the conductive surface (1) is connected to an electrode (4). The invention also describes a method for electropolishing which comprises: a step of polishing, wherein a conductive surface (1) contacts a metal part (2) to be polished, with a relative movement being caused between both, and wherein the part (2) is connected to the power source (3) and the conductive surface (1) is connected to an electrode (4); and a step of regenerating the conductive surface (1), wherein the conductive surface (1) which has been in contact with the part in the step of polishing is regenerated or replaced.
Electrolytic medium for electropolishing and electropolishing method using the electrolytic medium. The electrolytic medium includes solid particles retaining therein a water. Covering each of the solid particles that retains the water is an electrically non-conductive immiscible liquid. The non-conductive immiscible liquid is displaceable on the solid particles to allow electrical conductivity between solid particles that contact one another and to allow electrical conductivity between the solid particles and the workpiece upon the solid particles contacting the surface of the workpiece.
Use of dry electrolytes to polish metal surfaces through ion transport. A conductive liquid of the dry electrolyte includes at least a sulfonic acid. Polishing of the metal surface includes inducing movement between the dry electrolytes and the metal surface. The amount of sulfonic acid in the conductive liquid being such that a neutralizing of the sulfonic acid on the metal surface is not needed after the polishing process is complete.
An electrodeposition process for electrodeposition of a metal on a metal part (1), includes the connection of the metal part (1) to be treated to a first electrical pole of a current generator and a second pole opposite the first pole connected to the electrolytic medium through an electrode (3), and includes relative movement of the metal part (1) in relation to a set of free solid particles (4) that retain a conductive solution. The solution includes metal cations of the metal to be deposited charged with a positive electrical charge in a non-conductive environment (5) that causes the reduction of the metal cations of the conductive solution on the surface of the metal part to be treated (1). An electrolytic medium for electrodeposition of a metal on a metal part (1) is also provided.
An electrolytic medium is provided to the treatment of metallic surfaces and includes solid particles and a non-conductive fluid, the process that uses said medium and the device to carry out the process.
A method for smoothing and polishing metals via ion transport by free solid bodies. The method includes connecting a part to be treated to a pole of a current generator and subjecting the part to friction with a set of particles that includes electrically charged and electrically conductive free solid bodies in a gaseous environment.
B24B 31/00 - Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work or the abrasive material is looseAccessories therefor
C25F 7/00 - Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objectsServicing or operating
A self-disinfecting coating (1) for surfaces: is provided that includes a base matrix (2) and a loading solution (3), the matrix (2) in turn includes a gel base (10) and a gel fluid (7), and the loading solution (3) comprises an active disinfectant ingredient (4), in such a way that the base matrix (2) is able to absorb and retain the active ingredient (4) while maintaining, on the free surface of the coating (1), a sufficient concentration of active ingredient (4), thus maintaining the surface disinfected. The gel base (10) may include a protein of collagen, albumin or elastin and glycerine as the plasticising agent (6). The loading solution (3) may include elemental iodine as an active ingredient (4) and ethanol as the loading solvent (8). The self-disinfecting coating (1) may include a base substrate (11) that includes therein the base matrix (2) and loading solution (3).
C09D 189/06 - Products derived from waste materials, e.g. horn, hoof or hair derived from leather or skin
C09D 105/00 - Coating compositions based on polysaccharides or on their derivatives, not provided for in groups or
C09D 201/04 - Coating compositions based on unspecified macromolecular compounds characterised by the presence of specified groups containing halogen atoms
C09D 5/14 - Paints containing biocides, e.g. fungicides, insecticides or pesticides
10.
ELECTROLYTIC MEDIUM FOR ELECTROPOLISHING AND ELECTROPOLISHING METHOD WITH SAID MEDIUM
The present invention relates to an electrolytic medium for electropolishing and electropolishing method with said medium, the electrolytic medium comprising solid electrolyte particles comprising: solid particles able to retain liquid, water retained in the solid particles, and non-conductive liquid, such that the set of solid electrolyte particles exhibits electric conductivity measurable by applying a difference in potential; and the method comprising: step A which provides a surface to be polished with electric connectivity to a power source, step B wherein the surface comes into contact with the electrolytic medium having solid electrolyte particles, step C which produces relative movement between the surface to be polished and solid electrolyte particles, step D wherein the power source applies one or more differences in potential between the surface and one electrode, while both make contact with the set of solid electrolyte particles.
Formulations and methods for the electropolishing of metals. The formulations include a solid electrolyte having a type of active particles of resin of ionic exchange charged with an acid solution that generate a chemical activity and an electric activity, and at least a type of moderating particles of the chemical action of the active particles and/or moderating particles of the electric conductivity of the active particles, so that the moderating particles reduce the attacks localized on the surface of the polished part provoked by the exudates of the active particles.
Disclosed is a device for electropolishing by bringing a conductive surface (1) into contact with a metal piece (2) to be polished by producing relative movement between the conductive surface (1) and the metal piece (2) to be polished, wherein the piece (2) is connected to a power source (3) and the conductive surface (1) is connected to an electrode (4). Also disclosed is a method for electropolishing by means of a conductive surface, which comprises the following steps: a step of polishing, wherein the conductive surface (1) is brought into contact with the metal piece (2) to be polished by producing relative movement between the conductive surface (1) and the metal piece (2) to be polished, the piece (2) being connected to the power source (3) and the conductive surface (1) being connected to the electrode (4); and a step of regenerating or replacing the conductive surface (1), wherein the conductive surface (1) that was in contact with the piece in the previous step of polishing, is regenerated or replaced, so that the conductive surface maintains sufficient conductivity during the polishing step.
Disclosed is a method for electrodepositing a metal on a metallic piece (1), which comprises connecting the metallic piece (1) to be treated to a first electrolytic pole of an electric generator and to a second pole opposite the first pole, connected to an electrolytic medium by means of an electrode (3), and a step of relative movement of the metallic piece (1) in relation to a set of free solid particles (4) that retain a conductive solution comprising metallic cations of the metal to be deposited and which are charged with a positive electrical charge in a non-conductive environment (5), which produces the reduction of the metallic cations of the conductive solution on the surface of the metallic piece (1) to be treated. Also disclosed is an electrolytic medium for electrodepositing a metal on a metallic piece (1), which comprises a set of solid particles (4) that retain a conductive solution comprising metallic ions of the metal to be deposited and an interstitial space between the solid particles (4).
This invention is part of the sector of industry dedicated to the treatment of metallic surfaces and refers to an electrolytic medium comprising solid particles and a non-conductive fluid, the process that uses said medium, and the device for carrying out the process.
This invention is part of the sector of industry dedicated to the treatment of metallic surfaces and refers to an electrolytic medium comprising solid particles and a non-conductive fluid, the process that uses said medium, and the device for carrying out the process.
Use of dry electrolytes to polish metal surfaces through ion transport. A conductive liquid of the dry electrolyte includes at least a sulfonic acid. According to one embodiment, the porous particles of the dry electrolyte include sulfonate polymer, such as, polystyrene divinylbenzene. According to one embodiment, the conductive liquid of the dry electrolyte includes methane-sulfonic acid. Preferably, the concentration of the sulfonic acid in relation to the solvent is ranging from 1 to 70%. Optionally, the conductive liquid of the dry electrolyte includes a complexing agent and/or a chelating agent.
Methods and devices for treatment of metal surfaces by means of electrically active solid particles that include a step of contact of the solid particles with the electrode of an electric source, a step of shooting the particles towards the metal surface to be treated and a step of transmission of electric charge of the particles on the metal surface to be treated. The transmission of the electricity between the electric source and the metal surface during the step of shooting preferably is by net charge of the particles or by electric conductivity by contact or by electric conductivity by means of voltaic arches. The current applied to the electrode is preferably a DC or a current that contains positive sections and negative sections.
A method for smoothing and polishing metals via ion transport by free solid bodies. The method includes connecting a part to be treated to a pole of a current generator and subjecting the part to friction with a set of particles that includes electrically charged and electrically conductive free solid bodies in a gaseous environment.
C25F 7/00 - Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objectsServicing or operating
B24B 31/00 - Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work or the abrasive material is looseAccessories therefor
A self-disinfecting coating (1) for surfaces, comprising: a base matrix (2) and a loading solution (3); the matrix (2) in turn comprises a gel base (10) and a gel fluid (7), and the loading solution (3) comprises an active disinfectant ingredient (4), in such a way that the base matrix (2) is able to absorb and retain the active ingredient (4) while maintaining, on the free surface of the coating (1), a sufficient concentration of the active ingredient (4), thus maintaining the surface disinfected. Preferably, the gel base (10) comprises a protein chosen from between collagen, albumin or elastin and glycerine as a plasticising agent (6). Preferably, the loading solution (3) comprises elemental iodine as an active ingredient (4) and ethanol as a load solvent (8). Preferably, the self-disinfecting coating (1) comprises a base substrate (11) comprising therein the base matrix (2) and loading solution (3).
A61L 2/16 - Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lensesAccessories therefor using chemical substances
C09D 189/00 - Coating compositions based on proteinsCoating compositions based on derivatives thereof
C09D 201/04 - Coating compositions based on unspecified macromolecular compounds characterised by the presence of specified groups containing halogen atoms
20.
SOLID ELECTROLYTE FOR DRY ELECTROPOLISHING OF METALS WITH ACTIVITY MODERATOR
A solid electrolyte for the dry electropolishing of metals, comprising at least one type of active ion exchange resin particles charged with an acid solution that generates chemical activity and electrical activity, at least one type of moderator particles for moderating the chemical action and/or moderator particles for moderating the electrical conductivity of the active particles, such that the moderator particles reduce the localised attacks on the surface of the polished part caused by the exudates of the active particles.
Use of dry electrolytes to polish metal surfaces through ion transport. A conductive liquid of the dry electrolyte includes at least a sulfonic acid. According to one embodiment, the porous particles of the dry electrolyte include sulfonate polymer, such as, polystyrene divinylbenzene. According to one embodiment, the conductive liquid of the dry electrolyte includes methane-sulfonic acid. Preferably, the concentration of the sulfonic acid in relation to the solvent is ranging from 1 to 70%. Optionally, the conductive liquid of the dry electrolyte includes a complexing agent and/or a chelating agent.
The invention relates to a method and device for dry treatment of metal surfaces (1) by means of electrically active solid particles (9), which comprises a step of placing the particles (9) in contact with the electrode (3) of an electrical source (2), a step of projecting the particles (9) onto the metal surface to be treated, and a step of transmitting electrical charge from the particles to the metal surface to be treated. The transmission of electricity between the electrical source (2) and the metal surface (1) during the projection step is preferably by net charge of the particles (9), or by electrical conductivity by contact or by electrical conductivity by means of voltage arcs. The current applied to the electrode is preferably a direct current or a current containing positive and negative sections. Preferably in the medium between the particles (9) there is a conductive element which increases the conductivity between the particles by means of voltage arcs. Preferably, the method involves a step of using abrasive particles simultaneously or consecutively with the electrically active particles.
The invention relates to a method for producing a dry electrolyte, which comprises a step of adding a conductive liquid to a group of porous particles of ion-exchange resin or ion-exchange polymer, during which the porous particles are not submerged in excess conductive liquid, such that once the step is completed, the porous particles have no free liquid on their surface. Preferably, the method comprises a step of mixing at least one second liquid with the conductive liquid to be added to the particles, before or at the same time as the step of adding liquid to the particles. Preferably, the method comprises a step of cleaning the particles before the step of adding conductive liquid. Preferably, the method comprises a step of drying or eliminating solvent before or after adding conductive liquid; for example, by means of a temperature increase, an air flow through the particles, the use of a fluidised bed, or the use of an absorbing agent. The invention also relates to the dry electrolyte produced according to the described production method.
An apparatus and method for smoothing and polishing metals via ion transport by free solid bodies. The method includes connecting a part to be treated to a positive pole (anode) of a current generator and subjecting the part to friction with a set of particles comprising electrically conductive free solid bodies charged with negative electrical charge in a gaseous environment.
C25F 7/00 - Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objectsServicing or operating
B24B 31/00 - Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work or the abrasive material is looseAccessories therefor
25.
4 as an electrolyte in processes for smoothing and polishing metals by ion transport via free solids
4 as an electrolyte in processes for polishing metals, specifically metal parts, for example in jewellery. According to some embodiments the polishing is carried out based on ion transport with electrically conductive free solids in a gaseous environment. According to some embodiments the solids comprise spherical particles with porosity and affinity for retaining the electrolyte so that they have appreciable electric conductivity.
A method for smoothing and polishing metals via ion transport by free solid bodies comprises connecting a part to be treated to a positive pole (anode) of a current generator and subjecting the part to friction with a set of particles comprising electrically conductive free solid bodies charged with negative electrical charge in a gaseous environment.
C25F 7/00 - Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objectsServicing or operating
B24B 31/00 - Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work or the abrasive material is looseAccessories therefor
27.
USE OF SULFONIC ACIDS IN DRY ELECTROLYTES TO POLISH METAL SURFACES THROUGH ION TRANSPORT
Use of dry electrolytes to polish metal surfaces through ion transport, characterised in that the conductive liquid of the dry electrolyte comprises at least one sulfonic acid. Preferably, the porous particles of the dry electrolyte comprise sulfonated polymer and, more preferably, polystyrene-divinylbenzene. Preferably, the conductive liquid of the dry electrolyte comprises methanesulfonic acid. Preferably, the concentration of sulfonic acid in relation to the solvent ranges between 1% and 70%. Optionally, the conductive liquid of the dry electrolyte comprises a complexing agent and/or chelating agent. A dry electrolyte characterised in that it comprises sulfonic acid as a conductive liquid, according to any of the preceding claims.
Use of dry electrolytes to polish Ti and other metal and alloy surfaces by ion transport characterised in that the conducting liquid in the dry electrolyte comprises HCl. The concentration of HCl with respect to solvent is preferably between 1% and 38%, and more preferably between 5% and 15%. A dry electrolyte characterised by comprising hydrochloric acid as conducting liquid according to any of the previous claims.
24244 having variable concentration depending on the metal or alloy of the part to be polished and wherein the free solids are preferably macroporous polymeric spheres exchanging ions of sulphonated styrene-divinylbenzene copolymer.
A method for smoothing and polishing metals via ion transport by free solid bodies comprises connecting a part to be treated to a positive pole (anode) of a current generator and subjecting the part to friction with a set of particles comprising electrically conductive free solid bodies charged with negative electrical charge in a gaseous environment.
C25F 7/00 - Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objectsServicing or operating
B24B 31/00 - Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work or the abrasive material is looseAccessories therefor
31.
METHOD FOR SMOOTHING AND POLISHING METALS VIA ION TRANSPORT BY MEANS OF FREE SOLID BODIES AND SOLID BODIES FOR CARRYING OUT SAID METHOD
The invention relates to a method for smoothing and polishing metals via ion transport by means of free solid bodies, and the solid bodies that are electrically conductive for carrying out said method, comprising the connection of the parts (1) to the positive pole of a current generator, by means of a securing element (2) associated with a device, and the subjecting thereof to friction with particles (4) of free solid bodies which are electrically conductive and included in a receptacle (3) with a gaseous environment occupying the interstitial space (5), and which contact electrically with the negative pole (cathode) of the current generator, via the receptacle (3) directly or via a ring acting as a cathode. The solid bodies are particles (4) with the porosity and affinity to retain electrolyte liquid, below the saturation level, and have an electrical conductivity.
The invention relates to a method for smoothing and polishing metals via ion transport by means of free solid bodies, and the solid bodies that are electrically conductive for carrying out said method, comprising the connection of the parts (1) to the positive pole of a current generator, by means of a securing element (2) associated with a device, and the subjecting thereof to friction with particles (4) of free solid bodies which are electrically conductive and included in a receptacle (3) with a gaseous environment occupying the interstitial space (5), and which contact electrically with the negative pole (cathode) of the current generator, via the receptacle (3) directly or via a ring acting as a cathode. The solid bodies are particles (4) with the porosity and affinity to retain electrolyte liquid, below the saturation level, and have an electrical conductivity.
The invention relates to a method for smoothing and polishing metals via ion transport by means of free solid bodies, and the solid bodies that are electrically conductive for carrying out said method, comprising the connection of the parts (1) to the positive pole of a current generator, by means of a securing element (2) associated with a device, and the subjecting thereof to friction with particles (4) of free solid bodies which are electrically conductive and included in a receptacle (3) with a gaseous environment occupying the interstitial space (5), and which contact electrically with the negative pole (cathode) of the current generator, via the receptacle (3) directly or via a ring acting as a cathode. The solid bodies are particles (4) with the porosity and affinity to retain electrolyte liquid, below the saturation level, and have an electrical conductivity.
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