Class / Patent application number | Description | Number of patent applications / Date published |
219162000 | Methods | 20 |
20080217315 | Electrically Heatable Honeycomb Body and Method for Operating It - An electrically heatable honeycomb body has cavities through which a fluid can flow and contains at least one power distribution structure. The power distribution structure can be connected to a power source via a power feed line. At least one of the power feed line and the power distribution structure contains at least one closed-loop control element made of a material with a positive temperature coefficient (PTC) which can be placed at least in thermal contact with a fluid flowing through the honeycomb body. The electrically heatable honeycomb body permits, through the formation of a self-regulating closed-loop control element made for example from the PTC material, the implementation of a simple measure for performing closed-loop control on the heating power of the electrically heatable honeycomb body since the rest of the open-loop control or closed-loop control electronics can be significantly simplified or can even be dispensed with. | 09-11-2008 |
20090078689 | Method of Welding a Wear Layer onto a Parent Material Using a Plurality of Flux-Cored Wire Electrodes, Metal Powder and Welding Powder - A method of welding a wear layer onto a parent material, wherein a welding current is applied to a first wire electrode and to at least one second wire electrode. The first wire electrode and at least one second wire electrode are continuously fed to the parent material for producing a common weld pool. Metal powder and welding powder are fed to the weld pool. The wire electrodes are flux-cored wire electrodes, having a core and a covered electrode. The flux-cored wire electrodes have a higher alloy than a weld deposit analysis of the wear layer to be welded on the parent material. The covered electrode of the flux-cored wire electrodes includes an alloy, which has magnetization properties suitable for adhesion of the metal powder. | 03-26-2009 |
20090107972 | HEATING UNIT FOR WARMING PROPANE TANKS - A heating unit for use in heating a propane tank is disclosed. The heating unit includes a first pliable cover layer and a second pliable cover layer. A pliable electrical heating element is disposed between the first and the second cover layers. The pliable electrical heating element includes a heat generating element for converting electrical energy to heat energy and a heat spreading element that is attached to the heat generating element. The heat spreading element comprises carbon that is thermally coupled to the heat generating element for distributing the heat energy. A thermal insulation layer is attached to a second side of the pliable electrical heating element and is positioned adjacent the first cover layer. Additionally, a receiving power connector is electrically connected to the heat generating element and is configured to couple to an electrical power source. The heating unit is sized to substantially cover the sides and one or both ends of a propane tank. | 04-30-2009 |
20090134138 | Method of supporting a work piece - During friction welding a disc ( | 05-28-2009 |
20090255913 | Rotatable Welding Frame Assembly and Method For Welding a Number of Workpiece Components Into a Single Workpiece - A rotatable welding frame assembly for aligning and welding a number of workpiece components into a single workpiece may include a first frame for supporting one of the workpiece components. The assembly may further include a second frame for supporting another workpiece component. The assembly may further include a pivot interconnecting the first and second frames whereby the second frame can pivot between an open position in which one of the workpiece components can be loaded onto the first frame and another workpiece component can be loaded onto the second frame, and a closed position in which the components are aligned in a predetermined configuration to be welded. The assembly may further include an attachment mechanism associated with the second frame to secure the workpiece component as the second frame pivots from the open to the closed positions. | 10-15-2009 |
20100147820 | HEATED CANTILEVER - A device is provided comprising at least one cantilever comprising at least one tip and at least one heating element. Methods for making and using such a device are also provided. | 06-17-2010 |
20100193492 | TEMPERATURE CONTROL OF LIQUIDS, IN PARTICULAR CONTINUOUS FLOW HEATING - Disclosed is an apparatus for altering the temperature of a liquid, comprising: a pipe having a first end for receiving a liquid and a second end for discharging the liquid; and a thermal element for altering the temperature of the liquid, wherein the thermal element is located in the pipe such that the volume available for the liquid within the pipe is in the range 0 to 20% of the pipe volume. | 08-05-2010 |
20100276409 | ELECTROTHERMAL FOCUSSING FOR THE PRODUCTION OF MICRO-STRUCTURED SUBSTRATES - The invention relates to methods and devices for the production of micro-structured substrates and their application in natural sciences and technology, in particular in microfluidic and analysis devices and provides a method of introducing a structure, preferably a hole or cavity or channel or well or recess, in a region of an electrically insulating substrate (s), said method comprising the steps: a) providing an electrically insulating substrate (s), b) storing electrical energy across said substrate using an energy storage element (c) which is charged with said electrical energy, said energy storage element being electrically connected to said substrate, said electrical energy being sufficient to significantly heat, and/or melt and/or evaporate parts or all of a region of said substrate, c) applying additional energy, preferably heat, to said substrate or a region thereof to increase the electrical conductivity of said substrate or said region thereof, and thereby initiate a current flow and, subsequently, a dissipation of said stored electrical energy within the substrate and d) dissipating said stored electrical energy, wherein the rate of dissipating said stored electrical energy is controlled by a current and power modulating element, said current and power modulating element being part of the electrical connection between said energy storage element and said substrate. A device for performing the method is also provided. | 11-04-2010 |
20110198333 | Molding Machine - A mold core includes a forming pin having a hollow interior and an end wall. A passage, preferably in the form of a hollow tube, extends into the hollow interior of the forming pin and has an end sealingly secured at a position spaced from the end wall of the forming pin. A poppet valve is disposed on the end wall of the forming pin. The poppet valve is responsive to air pressure within the passage to open and permit flow of air through the end wall of the forming pin to assist stripping of molded articles from the mold core. The poppet valve includes a valve element having an outer end at the end face of the forming pin and an inner end adjacent to the end of the passage. A spring preferably biases the valve element to a closed position. The spring preferably comprises a coil spring captured in compression between the valve element and the forming pin. | 08-18-2011 |
20110297658 | METHOD AND SYSTEM TO START AND USE COMBINATION FILLER WIRE FEED AND HIGH INTENSITY ENERGY SOURCE FOR WELDING - A method and system to weld or join workpieces employing a high intensity energy source to create a weld puddle and at least one resistive filler wire which is heated to at or near its melting temperature and deposited into the weld puddle. | 12-08-2011 |
20120006803 | IMPLEMENTING SELECTIVE REWORK FOR CHIP STACKS AND SILICON CARRIER ASSEMBLIES - A method, apparatus, and structure are provided for implementing selective rework for chip stacks. A backside metal layer to create resistive heating is added to a chip backside in a chip stack. A rework tool applies a predefined current to the backside metal layer to reflow solder connections and enables separating selected chips in the chip stack. | 01-12-2012 |
20120205361 | Method of Heating Plated Steel Plate - When applying a current to a plated steel plate, plating often biases. In the present invention, when applying a current, the current is applied with a flux guiding member arranged in proximity to a side surface of the plated steel plate. The direction of the magnetic flux at the side surface of the plated steel plate is corrected, and the bias of the plating is efficiently suppressed. | 08-16-2012 |
20120217231 | ELECTRON EMITTER AND METHOD OF MAKING SAME - One example embodiment includes methods for making electron emitters. The electron emitter comprises a conductive member that defines a plurality of filament segments that are integral with each other. Each filament segment includes an intermediate portion and an interconnecting portion attached to an adjacent filament segment. The intermediate portions are substantially coplanar with each other and each intermediate portion includes a substantially planar electron emission surface. | 08-30-2012 |
20120248086 | RESISTANCE WELDING METHOD, RESISTANCE-WELDED MEMBER AND CONTROL APPARATUS FOR RESISTANCE WELDER, RESISTANCE WELDING EVALUATION METHOD, AND RESISTANCE WELDING EVALUATION PROGRAM - In a resistance welding method, by controlling the power amount from a melting start time onward, the weld quality may be stabilized efficiently, even when a disturbance is present, because of the correlation between the amount of power input from the melting start start time and a resulting nugget. The resistance welding method includes: pressing an electrode against a workpiece; inputting power to the workpiece through the electrode to subject the workpiece to Joule heating; detecting the melting start time, which is the time at which at least a portion of the faying portion of a workpiece starts to melt when subjected to Joule heating; calculating a first power amount input into the workpiece from the melting start time; and determining whether the first power amount has reached a first set value; and continuing the Joule heating until the first power amount reaches the first set value. | 10-04-2012 |
20130277348 | METHODS AND APPARATUSES FOR PREHEATED INTERVAL WELDING - Preheated interval welding methods for welding a weld material to a substrate material can include preheating the substrate material to a preheat temperature less than a solidus temperature of the substrate material, melting the weld material to produce molten weld material at a melting distance away from the substrate material, and applying the molten weld material in a plurality of intervals to the substrate material. | 10-24-2013 |
20140008345 | APPARATUS AND METHOD FOR REPAIRING BROKEN LINE OF ARRAY SUBSTRATE - The present invention provides an apparatus and a method for repairing a broken line of an array substrate. The apparatus includes a repair unit and a heating unit. The repair unit forms a repair line on a broken-line defect of a wire on the array substrate. The heating unit heats the repair line, so that the molecules constituting the repair line are arranged in sequence according a predetermined rule. The present invention can achieve the repair for a longer broken-line defect. | 01-09-2014 |
20140027431 | Warpage Control in the Packaging of Integrated Circuits - A method includes placing a first package component over a vacuum boat, wherein the vacuum boat comprises a hole, and wherein the first package component covers the hole. A second package component is placed over the first package component, wherein solder regions are disposed between the first and the second package components. The hole is vacuumed, wherein the first package component is pressed by a pressure against the vacuum boat, and wherein the pressure is generated by a vacuum in the hole. When the vacuum in the hole is maintained, the solder regions are reflowed to bond the second package component to the first package component. | 01-30-2014 |
20140246414 | WIRE SOFTENING APPARATUS AND WIRE SOFTENING METHOD - A softening apparatus includes a cooling liquid reservoir for holding a cooling liquid, a first conducting sheave provided outside of the cooling liquid reservoir for applying a voltage to a wire while guiding the wire, and a second conducting sheave provided in the cooling liquid reservoir for letting a current flow through the wire while guiding the wire as the wire is fed via the first conducting sheave. The softening apparatus is also provided with a liquid level detector for detecting a liquid level of the cooling liquid in the cooling liquid reservoir. A heating path length of the wire between the first conducting sheave and the second conducting sheave is controlled based on a result of detection by the liquid level detector. | 09-04-2014 |
20140339210 | DIRECT RESISTANCE HEATING APPARATUS AND DIRECT RESISTANCE HEATING METHOD - A direct resistance heating apparatus includes a first electrode and a second electrode, and a moving mechanism configured to move at least one of the first electrode and the second electrode. A direct resistance heating method includes steps of providing a workpiece having a heating target region, a resistance of which per unit length in one direction thereof varying along the one direction, placing a first electrode and a second electrode on the heating target region, and moving at least one of the first electrode and the second electrode such that a time during which the electric current is applied to each part of the heating target region is adjusted in accordance with a change of the resistance per unit length, thereby heating the workpiece such that the each part of the heating target region is heated to a temperature within a target temperature range. | 11-20-2014 |
20150014292 | HEATING METHOD OF HONEYCOMB STRUCTURE - The heating method of honeycomb structure includes a heating step of supplying a power to a honeycomb structure body of a honeycomb structure including the tubular honeycomb structure body having porous partition walls to define and form a plurality of cells and a circumferential wall positioned at an outermost circumference, and heating by electricity conduction, and a catalyst loaded onto the partition walls of the honeycomb structure body, to heat the honeycomb structure body up to a target temperature, and in the heating step, there is provided, at least once, a supply power decrease section where the supply of the power to the honeycomb structure body is stopped or the power to be supplied to the honeycomb structure body is decreased before the lowest temperature in a heating region of the honeycomb structure body reaches the target temperature. | 01-15-2015 |