| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 072056000 | By kinetic energy of fluid or field | 37 |
| 20090013744 | Device and Method for Explosion Forming - With the invention, a method and a device for explosive forming of a tubular work piece, which comprises a multipart forming die almost fully enclosing the work piece in the closed state, and in which a plug is provided in the area of at least one end of the forming die, is to be improved, in that forming of a tubular work piece is possible in a simple method that promotes fewer individual work steps and is therefore cost-effective. This task is solved by a method and a device for explosive forming, in which a seal between the forming die and the plug is formed when the plug is inserted, in which the work piece end is mounted between the forming die and deformed. | 01-15-2009 |
| 20090272166 | METHOD OF USING AN ELECTROMAGNETIC FORMING MACHINE TO HEM A PLURALITY OF PANELS TO FORM A PANEL ASSEMBLY - A method of using an electromagnetic forming machine to hem a panel assembly includes providing an inner panel and an outer panel. The outer panel has a plurality of flanges and a plurality of relief areas. An electric forming machine is provided having a coil for discharging electric energy to generate a magnetic field. The inner panel is positioned such that portions of the outer edge of the inner panel are aligned with the flanges of the outer panel to form a loose assembly of panels. The loose assembly of panels is positioned proximate the electromagnetic forming machine such that the coil surrounds the flanges and is disposed substantially coplanar with a plane formed by the relief areas. The electromagnetic forming machine is activated to generate a magnetic field causing the flanges to bend over. | 11-05-2009 |
| 20090272167 | PULSED ELECTRO-HYDRAULIC CALIBRATION OF STAMPED PANELS - A tooling method for calibrating a partially formed metal part in an electro-hydraulic forming tool. The method includes loading a partially formed metal part onto a forming surface of a die. The part is then clamped onto the forming surface and the part is pulsed with a high rate energy pulse to overcome a spring-back effect in the part. The EHF calibration tool includes a punch to which a part is held by clamps while a capacitive discharge circuit is discharged through electrodes provided in the tool. Upon discharge of the capacitive discharge circuit through the electrodes, a high rate energy pulse is applied through a liquid to calibrate the part. | 11-05-2009 |
| 20100011827 | WORKPIECE AND METHOD FOR EXPLOSION FORMING - It shall be achieved by the invention that a workpiece for an explosion forming process, which can be inserted into a forming tool and which can be deformed from an initial shape by means of explosion forming, and the explosion forming method are improved such that a satisfactory quality of the workpiece with the desired wall thickness is achieved in a simple manner. This object is achieved by a workpiece and a respective explosion forming method in which the initial shape of the workpiece has at least in some portions a supply of material for the explosion forming process, which is pre-formed compared to adjoining portions or which is provided therewith. | 01-21-2010 |
| 20100050722 | Method and apparatus for improving mechanical properties of magnetically activatable materials - A method and an apparatus for improving mechanical properties of a magnetically activatable material ( | 03-04-2010 |
| 20100064752 | CLOSURE DEVICE FOR EXPLOSION FORMING - Through the invention, a closure device for explosive forming with a connection unit movable relative to the explosive forming die between a working position on the die and a rest position is to be configured, so that the explosive forming die can be closed in simple and reliable fashion and, at the same time, the explosion forces supported. This task is solved by a closure device, in which a wedge structure is guided to move on a static holding structure and is motion-coupled to the connection unit, the resulting movement of the connection unit being directed across the movement of the wedge structure. | 03-18-2010 |
| 20100147043 | Device for Producing Patterns - A device for producing a pattern onto a work piece is disclosed. The device comprises a die, an electromagnetic actuator and a base; wherein the die comprises a patterned surface and the patterned surface comprises a pattern. The electromagnetic actuator comprises an plate body, a convex part and a strip unit connected to the plate body; the electromagnetic actuator is disposed in the base. When the electromagnetic actuator is activated while a work piece is being positioned between the patterned surface and the electromagnetic actuator, an inductive current is generated on the work piece by the electromagnetic actuator, and then a repulsive force is generated between the electromagnetic actuator and the work piece. The repulsive force then causes the work piece to adhere to the patterned surface, forcing the work piece to deform against the patterned surface and to take on the shape of the pattern. | 06-17-2010 |
| 20100154502 | HIGH VELOCITY FORMING OF MEDICAL DEVICE CASINGS - Methods and devices provide for high velocity forming of medical device casings. The high velocity forming may be produced by creating a pressure wave within a liquid contained by an enclosure. A die and a workpiece adjacent to the die are in the path of the pressure wave within the enclosure and the pressure wave forces the workpiece to conform to the contours of the die. Objects may be adhered to the die to provide for customized contours. Trimming features may be included within the enclosure to trim excess material from a formed workpiece as an integral part of the forming process. Various other features may also be provided within the enclosure including a diffuser to disperse the pressure wave. The workpiece may be of various forms including flat sheet stock. | 06-24-2010 |
| 20100175448 | METHOD AND DEVICE FOR EXPLOSION FORMING - With the invention, a method and device for explosive forming of work pieces, in which at least one work piece is arranged in at least one die and deformed by means of an explosive to be ignited, is to be improved, in that an ignition mechanism that is technically simple to handle, is produced with the shortest possible setup time, which permits the most precise possible ignition of the explosive with time-repeatable accuracy. This task is solved by a method and device, in which at least one work piece is arranged in at least one die and deformed by means of an explosive to be ignited, in which the explosive is ignited by means of induction. | 07-15-2010 |
| 20100175449 | IGNITION DEVICE FOR EXPLOSIVE FORMING - Through the invention, an ignition device for explosive forming of work pieces in a forming die, which has an ignition mechanism and an ignition tube, and in which the ignition tube guides the explosion ignited by the ignition mechanism into the work piece inserted in the forming die, is to be improved, in that it permits, in practice, an arrangement of the ignition mechanism and forming die that is easier to handle and geared toward the occurring explosion forces. This task is solved by an ignition device, in which a curved guide is provided between the ignition mechanism and the forming die. | 07-15-2010 |
| 20100206034 | Method and Mould Arrangement for Explosion Forming - The invention is intended to improve a tool arrangement and method for explosive forming of a workpiece by means of gas explosion, in which the workpiece is arranged in a intake area of a moulding tool, wherein the intake area is at least partially filled with liquid and the explosion is triggered by means of ignition of an explosive gas mixture, to the effect that the tool arrangement and the method are suitable and simplified for mass production. This object is solved by means of a tool arrangement and a method for explosive forming of a workpiece by means of gas explosion, in which the workpiece is arranged in a intake area of a moulding tool, wherein the intake area is at least partially filled with liquid and the explosion is triggered by means of ignition of an explosive gas mixture, in which the explosive gas mixture is provided at least partially above the surface of the liquid before the ignition. | 08-19-2010 |
| 20100326158 | DEVICE FOR EXPLOSIVE FORMING - The invention relates to a device for explosive forming of workpieces, comprising an ignition chamber and an ignition mechanism, wherein an explosive agent can be ignited at an ignition location in the ignition chamber using the ignition mechanism, and an ignition chamber outlet is provided, to be improved such that the ignition mechanism has a longer service life. The aim is achieved by a device wherein an impact breaker is provided in the propagation path ( | 12-30-2010 |
| 20110005288 | Water Jet Peening Method and Apparatus Thereof - A high-pressure water jet is injected from a nozzle scanned and a shock wave generated due to the collapse of bubbles included in the water jet is impacted on a WJP execution object. Tensile residual stress close to the surface of the WJP execution object is improved to compressive residual stress. The shock wave is detected by a pressure sensor and a shock wave generation frequency is obtained. Whether the obtained shock wave generation frequency is larger than a set value or not is decided. When the shock wave generation frequency is larger than the set value, a high-pressure pump is stopped and the injection of the water jet from the nozzle is stopped. When the shock wave generation frequency is equal to or smaller than the set value, the operation condition of the high-pressure pump is changed. The pressure of the water jet injected from the nozzle is increased and the WJP is executed for a part of the WJP execution object where the shock wave generation frequency is equal to or smaller than the set value. Improvement effect of the residual stress of the WJP execution object can be confirmed more accurately. | 01-13-2011 |
| 20110067467 | METHOD AND TOOL FOR CONTRACTING TUBULAR MEMBERS BY ELECTRO-HYDRAULIC FORMING BEFORE HYDROFORMING - A tubular preform is contracted in an electro-hydraulic forming operation. The tubular preform is wrapped with one or more coils of wire and placed in a chamber of an electro-hydraulic forming tool. The electro-hydraulic forming tool is discharged to form a compressed area on a portion of the tube. The tube is then placed in a hydroforming tool that expands the tubular preform to form a part. | 03-24-2011 |
| 20110179844 | METHOD AND APPARATUS FOR SURFACE STRENGTHENING OF BLISK BLADES - For surface strengthening of blisk blades, a blade area of the blisk is completely inserted into a water bath ( | 07-28-2011 |
| 20110283762 | LASER-BASED THREE-DIMENSIONAL HIGH STRAIN RATE NANOFORMING TECHNIQUES - A laser nanoforming system and method for forming three-dimensional nanostructures from a metallic surface. A laser beam is directed to hit and explode an ablative layer to generate a shockwave that exerts a force on the metallic surface to form an inverse nanostructure of an underlying mold. A dry lubricant can be located between the metallic surface and mold to reduce friction. A confinement layer substantially transparent to the laser beam can confine the shockwave. A cushion layer can protect the mold from damage. A flyer layer between the ablative layer and metallic surface can protect the metallic surface from thermal effects of the exploding ablative layer. The mold can have feature sizes less than 500 nm. The metallic surface can be aluminum film. The dry lubricant can be sputtered Au—Cr film, evaporated Au film or a dip-coated PVP film or other dry lubricant materials. | 11-24-2011 |
| 20120111080 | ELECTRODE ASSEMBLY FOR ELECTRO-HYDRAULIC FORMING PROCESS - An electrode assembly for electro-hydraulic forming tool in which the insulation sleeve is assembled over an electrode rod. The insulation sleeve has a deflection surface that is beveled or oriented at an angle relative to the axis of the electrode rod. The electrode assembly may include a replaceable conical receptacle that facilitates placement of an electrode tip an insulation sleeve tip. An electrode tip profile that is shaped to minimize erosion caused by discharge of the electro-hydraulic forming machine. | 05-10-2012 |
| 20120216587 | METHOD AND AN APPARATUS FOR PRESTRESSING COMPONENTS BY ELECTRICAL DISCHARGE - An apparatus for pre-stressing a component, the apparatus includes means to direct a beam of radiation in a path through a medium adjacent to the component between a pair of electrodes to produce ionisation in the path through the medium and means to produce an electrical discharge between the pair of electrodes in the path through the medium to produce a pressure pulse in the medium adjacent to the component without the electrical discharge directly contacting the component, the pressure pulse impacting a surface of the component to produce a region of compressive residual stress within the component. | 08-30-2012 |
| 20120291506 | Method for Producing Patterned Plate - A device producing a patterned plate includes a die and an electromagnetic actuator. The die includes a patterned surface with a pattern formed thereon and a fracturing part. The tubular work piece is disposed between the die and the electromagnetic actuator such that walls of the tubular work piece correspond to walls of the die. When the electromagnetic actuator is supplied with a current pulse, an eddy current is induced in the tubular work piece, generating a repulsive force between the electromagnetic actuator and the tubular work piece. Therefore, the tubular work piece impacts the die, and a forming surface of the tubular work piece is deformed against the patterned surface and the fracturing part, thus replicating the pattern of the patterned surface onto the forming surface. At the same time, the tubular work piece is fractured at the position corresponding to the fracturing part. | 11-22-2012 |
| 20130067976 | Apparatus and Method Using Reduced Volume Electro-Hydraulic Chambers for Trimming and Joining Panels - A tool for modifying a workpiece by either trimming or joining the workpiece. The tool is an electro-hydraulic tool that uses a pulse transmitted through a liquid to trim a workpiece or to join two thicknesses of metal together. A method of trimming the workpiece includes the steps of providing a high voltage discharge in a liquid that drives a workpiece into engagement with a cutting edge of a tool steel insert. A method of joining two or more thicknesses of metal together includes the step of creating a high voltage discharge through an electrode that accelerates one panel or thickness of metal into a second panel that is held stationary by a backing plate while the first thickness of metal is accelerated into the second thickness of metal. | 03-21-2013 |
| 20130086961 | Magnetic Pulse Welding and Forming for Plates - A method of welding two workpieces together is described. A conductor in electrical communication with a pulse circuit is provided. A portion of the second workpiece is located adjacent the conductor. The two workpieces are also located together. A portion, or all, of one workpiece is welded to the other by applying a pulse current to one of the workpieces. A method of forming a workpiece is disclosed using a pulse current to move the workpiece into a desired shape. | 04-11-2013 |
| 20130174627 | Method of Executing Water Jet Peening - A top head of a reactor pressure vessel is provided with a plurality of control rod drive mechanism (CRDM) penetration pipes arranged in a square grid-like pattern. The CRDM penetration pipes are joined by a tube support member disposed among them. The top head is placed on a tank and water is filled in an inner region of the tank and the top head. A travel apparatus moves a nozzle lifting/lowering apparatus to a predetermined location and a lifting/lowering mechanism is operated to lift a jet nozzle above the tube support member in the neighboring four CRDM penetration pipes. An ejection outlet of the jet nozzle is directed to a weld between one of the CRDM penetration pipes and the top head, and a water jet is ejected to start WJP. A nozzle turning mechanism turns the jet nozzle, and WJP is executed sequentially to the four CRDM penetration pipes. | 07-11-2013 |
| 20130219980 | EXPLOSION FORMING SYSTEM - An explosion forming apparatus ( | 08-29-2013 |
| 20130233040 | METHOD AND APPARATUS FOR NON-CONTACT SURFACE ENHANCEMENT - Systems and methods to generate beneficial residual stresses in a material, clean, strip coatings from, or roughen surfaces by generating cavitation shock waves without damaging the surface of the material. Shock waves emanate through the target material from collapsing cavitation voids in and around a liquid jet to generate residual stresses without impinging the jet against the material, or by impinging the material at shallow angles, and without significantly damaging or deforming the surface of the target material. | 09-12-2013 |
| 20130263635 | Liquid Drop Peening Method and Apparatus Therefor - A method for peening a surface of a material is disclosed. The method may include producing repeated, separated and high speed liquid drops and moving the liquid drops across the surface to be peened. The liquid drops are essentially free of air bubbles and the velocity of the liquid drops is at least 500 ft/sec. A peening apparatus to produce repeated, separated and high speed liquid drops is also disclosed. The apparatus may comprise a storage tank, a nozzle, a pump, an accumulator, a regulator and an actuator. The apparatus may control the volume and velocity of the produced liquid drops as well as the frequency of the liquid drop production. | 10-10-2013 |
| 20140083151 | ELECTRODE ASSEMBLY FOR ELECTRO-HYDRAULIC FORMING PROCESS - An electrode assembly for electro-hydraulic forming tool in which the insulation sleeve is assembled over an electrode rod. The insulation sleeve has a deflection surface that is beveled or oriented at an angle relative to the axis of the electrode rod. The electrode assembly may include a replaceable conical receptacle that facilitates placement of an electrode tip an insulation sleeve tip. An electrode tip profile that is shaped to minimize erosion caused by discharge of the electro-hydraulic forming machine. | 03-27-2014 |
| 20140157848 | FORMING COMPONENTS MADE OF CAST MATERIALS - Method for non-destructively forming a component made of cast material beyond the quasistatic elongation at break, wherein the component is formed by means of electromagnetic high-speed forming (EMF) method. | 06-12-2014 |
| 20140318203 | Method And Device For Explosive Forming - With the invention, a method and device for explosive forming of work pieces, in which at least one work piece is arranged in at least one die and deformed by means of an explosive to be ignited, is to be improved, in that an ignition mechanism that is technically simple to handle, is produced with the shortest possible setup time, which permits the most precise possible ignition of the explosive with time-repeatable accuracy. This task is solved by a method and device, in which at least one work piece is arranged in at least one die and deformed by means of an explosive to be ignited, in which the explosive is ignited by means of induction. | 10-30-2014 |
| 20150013413 | Water Jet Peening Apparatus and Water Jet Peening Method - A water jet peening apparatus (WJP apparatus) includes a seating member, rotating portion set to it, and first and second injection nozzles. A hoisting apparatus is attached to the rotating portion, and the first and second injection nozzles are attached to a nozzle arm. The WJP apparatus is gone down in a reactor vessel (RV) by crane operation, and the seating member is seated on a bottom mounted instrumentation nozzle welded to a bottom head of the RV. By the hoisting apparatus, the nozzle arm is gone down and the first and second injection nozzles are gone down. The first injection nozzle is inserted into the bottom mounted instrumentation nozzle and the second injection nozzle is set outside the bottom mounted instrumentation nozzle. High-pressure water is jetted from the first and second injection nozzles, and WJP is implemented for both of the inner and outer surfaces of the welding area of the bottom mounted instrumentation nozzle. | 01-15-2015 |
| 20150013414 | WJP EXECUTION METHOD FOR REACTOR VESSEL LID AND JIGS - In a WJP execution method for a reactor vessel lid, WJP is executed on the inner surface of the reactor vessel lid in a state in which an underwater environment is formed on the inner surface of the reactor vessel lid and an aerial environment is formed on the outer surface thereof. In addition, the reactor vessel lid with a waterproof jig attached thereto is arranged in water, the waterproof jig having a cylindrical shape extending to the side of the outer surface of the reactor vessel lid and constituting a vessel with the reactor vessel lid as the bottom portion thereof. Moreover, the reactor vessel lid is arranged on a base installed in the water. | 01-15-2015 |
| 20150033815 | HEAD OF AN EXPLODING-WIRE ELECTROHYDRAULIC DISCHARGE DEVICE - A head of an electrohydraulic discharge device of the invention comprises:
| 02-05-2015 |
| 20150360275 | METHOD, TOOL AND PRESS FOR THE ELECTROHYDRAULIC FORMING OF A WORKPIECE - A method for forming a workpiece by stamping that allows spring back to be eliminated, wherein tooling ( | 12-17-2015 |
| 20160083815 | SYSTEM FOR AND METHOD OF PERFORMING LASER SHOCK PEENING ON A TARGET WITH A FLUID FLOW PATH SANDWICHED BETWEEN A TRANSPARENT TO LASER LIGHT SOLID MEDIUM AND THE TARGET - The invention is concerned with a system for performing Laser Shock Peeing on a target ( | 03-24-2016 |
| 20160089709 | Method And Mould Arrangement For Explosion Forming - The invention is intended to improve a method for explosive forming of a workpiece by means of gas explosion, in which the workpiece is arranged in a intake area of a moulding tool, wherein the intake area is at least partially filled with liquid and the explosion is triggered by ignition of an explosive gas mixture, to the effect that the method is suitable and simplified for mass production. This object is solved by a method for explosive forming of a workpiece by means of gas explosion, in which the workpiece is arranged in a intake area of a moulding tool, wherein the intake area is at least partially filled with liquid and the explosion is triggered by means of ignition of an explosive gas mixture, in which the explosive gas mixture is provided at least partially above the surface of the liquid before the ignition. | 03-31-2016 |
| 20160138127 | LASER PROCESSING APPARATUS AND LASER PROCESSING METHOD - One embodiment of the laser processing apparatus is for surface treatment by supplying liquid to a surface of the target member and irradiating pulsed laser light to the surface of the target member via the liquid. The apparatus includes a laser oscillator and a liquid supply. The laser oscillator irradiates the laser light to the surface through the liquid via an optical window. The liquid supply is configured to supply the liquid to the surface of the target member via a flow path passing on an outer surface of the optical window. When the liquid is in contact with a laser light emission surface of the optical window, the laser light emission surface transmits the laser light. When the liquid is not in contact with the laser light emission surface, the laser light emission surface reflects the laser light. | 05-19-2016 |
| 20160175912 | ELECTRO-HYDRAULIC FORMING MACHINE FOR THE PLASTIC DEFORMATION OF A PROJECTILE PART OF THE WALL OF A WORKPIECE TO BE FORMED | 06-23-2016 |
| 20180021837 | ELECTROHYDRAULIC FORMING DEVICE COMPRISING AN OPTIMISED CHAMBER | 01-25-2018 |
