Class / Patent application number | Description | Number of patent applications / Date published |
205660000 | Preliminary cleaning or shaping of workpiece | 19 |
20080230396 | Methods and systems for forming turbulated cooling holes - A method for forming holes in an object is provided. The method includes forming a starter hole in the object, providing an electrochemical machining electrode having at least one insulated section that substantially circumscribes the electrode and at least one uninsulated section, and inserting the electrode into the starter hole to facilitate forming a hole defined by at least one first section having a first cross-sectional area and at least one second section having a second cross-sectional area. | 09-25-2008 |
20080314760 | Use of an Anode For Elimination or Reduction of Microbial Impurities in Liquids. - The present invention relates to the use of an anode suitable for use in inter alia a reactor for elimination or reduction of microbial impurities from liquids, such as inter alia waste water and water intended for human or animal consumption. The anode comprises an expanded metal plate, preferably titanium, covered with a non-corrosive metal layer, preferably a platinum layer. The surface of the anode is endowed with dents, which enhances the electrochemical effect between the anode and the corresponding cathode and thereby enhances the microbial effect and at the same time reduces the energy required to obtain an efficient kill of the microorganisms, | 12-25-2008 |
20100012507 | METHOD FOR PRODUCING GEAR WHEELS - A method for manufacturing gear wheels, specifically transmission gear wheels, is disclosed. An embodiment of the method includes the following steps: a) preparation of a base body for a gear wheel, b) electrochemical processing of the base body by a precise electrochemical machining process (PECM process), where several recesses running between the teeth of the gear wheel are made simultaneously electrochemically to manufacture the teeth of the gear wheel. | 01-21-2010 |
20110114508 | Electrolyte for Electrochemical Machining - The present invention relates to an electrolyte and a process for the electrochemical machining of metallic components, wherein the electrolyte comprises a protic solvent. | 05-19-2011 |
20130026048 | ANODE FOILS FOR ELECTROLYTIC CAPACITORS AND METHODS FOR MAKING SAME - Anode foils suitable for use in electrolytic capacitors, including those having multiple anode configurations, have improved strength, reduced brittleness, and increased capacitance compared to conventional anode foils for electrolytic capacitors. Exemplary methods of manufacturing an anode foil suitable for use in an electrolytic capacitor include disposing a resist material in a predetermined pattern on an exposed surface of an anode foil substrate such that a first portion of the exposed surface of the anode foil substrate is covered by the resist material, and a second portion of the exposed surface remains uncovered; polymerizing the resist material; exposing at least the second portion of the exposed surface to one or more etchants so as to form a plurality of tunnels; stripping the polymerized resist material; and widening at least a portion of the plurality of tunnels. The resist material may be deposited, for example, by ink-jet printing, stamping or screen printing. | 01-31-2013 |
20130062218 | METHOD FOR PRODUCING AN ARBITRARY GEOMETRY ON PISTONS OF INTERNAL COMBUSTION ENGINES - A method for processing a constructed, liquid-cooled piston of an internal combustion engine, the piston including an upper piston part and a lower piston part, which are supported by a joining plane and are connected to each other in a bonded manner. An electrochemical method, such as electrochemical machining, is used to produce a passage opening or a hole in the piston. By means of the method, material is selectively removed after the completion of the upper part piston, the lower piston part, or the piston after the two piston parts have been joined. The electrochemical machining allows an arbitrarily geometrically designed topography having at least one passage opening, a hollow, or an oil pocket in cooling areas or non-cooling areas to be created on the piston. | 03-14-2013 |
20140014530 | METHODS FOR PASSIVATING METALLIC IMPLANTABLE MEDICAL DEVICES INCLUDING RADIOPAQUE MARKERS - The present disclosure is directed to methods of manufacturing and passivating stents and other implantable medical devices including one or more attached radiopaque markers. In one embodiment, the method includes providing a metallic implantable medical device body without any radiopaque marker(s) attached thereto, primary electropolishing the device body without any markers attached thereto, attaching one or more radiopaque markers to the device body, and lightly electropolishing the device including device body and attached radiopaque markers. Light electropolishing removes no more than about 5 percent by weight of the device (i.e., the device body and attached marker(s)). Light electropolishing passivates the exposed surfaces of the device body and markers, while also providing electropolishing to the region of any welds where the radiopaque marker(s) attach to the device body. | 01-16-2014 |
205661000 | Nonelectrolytic (e.g., mechanical grinding, milling, machining, etc.) | 12 |
20090050490 | Support For Lithographic Printing Plate and Presensitized Plate - Disclosed is a support for a lithographic printing plate which, when measured over a 400 μm×400 μm surface region thereon using a three-dimensional non-contact roughness tester, has at most 5.0 convex portions of a height from centerline of at least 0.70 μm and an equivalent circle diameter of at least 20 μm, and has at least 800 concave portions of a depth from centerline of at least 0.50 μm and an equivalent circle diameter of at least 2.0 μm. Presensitized plates which are obtainable by using the support for a lithographic printing plate according to the present invention have an excellent scumming resistance and an extremely long press life. | 02-26-2009 |
20100133112 | LITHOGRAPHIC PRINTING PLATE SUPPORT - A method for making a lithographic printing plate support is disclosed comprising the steps of: (i) providing an aluminum support; (ii) treating said support in an aqueous solution; (iii) graining said treated support in an electrolyte solution by applying an alternating voltage thereby inducing a local current density J; characterized in that said local current density J at time t fulfills the following equation: J(t)≦α+bQ(t) for t=o to t=t | 06-03-2010 |
20100140105 | HIGH STRENGTH MEMBER FOR INTRACORPOREAL USE - This invention is directed to an intracorporeal device formed of a high strength Co—Ni—Cr alloy and is particularly suitable for forming a composite product with a pseudoelastic member formed of NiTi alloy. Suitable intracorporeal products include guidewires and stents. The high strength alloy consists essentially of about 28 to about 65% cobalt, about 2 to about 40% nickel, about 5 to about 35% chromium, up to about 12% molybdenum, up to about 20% tungsten, up to about 20% iron and the balance inconsequential amounts of impurities and other alloying constituents, with a preferred alloy composition including about 30 to about 45% cobalt, about 25 to about 37% nickel, about 15 to about 25% chromium and about 5 to about 15% molybdenum. Intravascular devices such as guidewires, stents and the like can be formed of this high strength Co—Ni—Cr alloy. | 06-10-2010 |
20110210011 | METHOD FOR CLEANING SURFACE OF STAINLESS STEEL - A method for cleaning a surface of stainless steel includes: a rinsing step, in which a stainless steel tube having carbon residues is subjected to surface cleaning; a disposition step, in which the tube is disposed into an electrolytic tank containing therein a stainless steel cylinder and positive and negative electrodes of a power source are respectively connected to the tube and the cylinder; an electrolyte preparation step, in which phosphoric acid and sulfuric acid are mixed and then added with glycerin to prepare an electrolyte, which is then added into the tank; an electricity supplying step, in which electrical power is supplied to the tube and the cylinder with the current density flowing through the electrolyte, the temperature, and time period of supplying electricity being properly set; and a cleaning step, in which the electrolyte removes carbon residues from a surface of the tube and polishes the surface. | 09-01-2011 |
20110315563 | SENSORS FOR ANALYTE DETECTION AND METHODS OF MANUFACTURE THEREOF - Disclosed herein is a sensor comprising a conduit; the conduit comprising an organic polymer; a working electrode; the working electrode being etched and decorated with a nanostructured material; a reference electrode; and a counter electrode; the working electrode, the reference electrode and the counter electrode being disposed in the conduit; the working electrode, the reference electrode and the counter electrode being separated from each other by an electrically insulating material; and wherein a cross-sectional area of the conduit that comprises a section of the working electrode, a section of the reference electrode and a section of the counter electrode is exposed to detect analytes. | 12-29-2011 |
20120000791 | METHOD OF DESCALING METALLIC DEVICES - Methods are provided for descaling metallic component devices such as stents. The devices or components are cleaned under ultrasound in a cleaning solution of ammonium hydrogen fluoride at a temperature within a range of about 60° to 80° C., then rinsed at that temperature with an aqueous rinse containing a nonionic surfactant and rinsed again with purified water. | 01-05-2012 |
20120222969 | STENT AND METHOD OF FORMING A STENT WITH INTEGRAL BARBS - A method for manufacturing a barbed stent includes providing a sheet of stent material, cutting the sheet to form a stent wire with integral barbs extending therefrom, and forming the stent wire into a final stent shape having a longitudinal axis. A stent for deployment within the body of a patient includes integral barbs. | 09-06-2012 |
20120255869 | SYSTEM AND METHOD FOR ELECTROCHEMICAL PROCESSING OF NON-FLAT SAMPLES - A system and method for electrochemically processing non-flat samples and/or samples that can change shape during the electrochemical processing is disclosed. In one aspect, a system includes a sample holder for providing an electrical contact to the sample during electrochemical processing. The sample holder has a carrying element and a fixing element for clamping of the sample in between the fixing element and the carrying element, thus providing electrical contact to the sample while allowing the sample to change shape without interrupting the electrical contact. | 10-11-2012 |
20130092555 | REMOVAL OF AN ISLAND FROM A LASER CUT ARTICLE - Methods and apparatuses for use in such methods for removing islands from laser cut articles. Methods include using a chemical etching solution to remove material in the strut-island gap. Optionally, heat and/or agitation can be applied during the etching process to increase the chemical activity of the chemical etching solution and/or to vibrate the islands out of position. | 04-18-2013 |
20130175183 | COMPONENT PRODUCTION METHOD - A method of producing a component includes the steps of: providing a workpiece generated by hot isostatic pressing a powder metal form; and electropolishing a surface of the workpiece to remove a substantially uniform surface layer of the workpiece to produce the component. Following the electropolishing step, the component has substantially the same shape as the workpiece produced by the hot isostatic pressing step. | 07-11-2013 |
20140166496 | METHOD FOR PRODUCING SHAPED GRAPHENE SHEETS - Disclosed is a method of producing shaped graphene sheets, and the method includes the steps of providing an initial material of an artificial oriented graphite, performing a shaping process of the initial material of the artificial oriented graphite to produce a composite material, and carrying out an electrochemical process of the composite material to obtain the shaped graphene sheets, so as to achieve the mass production of high-quality shaped graphene sheets with a low cost. | 06-19-2014 |
20140360886 | METHOD FOR MANUFACTURING FLUID HANDLING DISCS WITH POROUS MESH PLATES FOR USE IN ULTRASONIC MESH NEBULIZERS - The present disclosure relates to methods for manufacturing porous mesh plates for use in ultrasonic mesh nebulizers, and the porous mesh plates manufactured by those methods. Cone-shaped dimples are first drilled in a substrate (e.g. a plate), but do not penetrate the bottom of the substrate. Next, the substrate (e.g. a plate) is subject to an electrochemical process to remove a layer of material from the surface of the substrate. Enough material is removed to allow the dimples to penetrate the substrate, thereby creating holes in the substrate. The size of the holes can be controlled by the conditions of the electrochemical process. | 12-11-2014 |