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| Number | Title | Issue Date |
| 7476825 | Roller seam welded body for exhaust gas treatment and process for producing the body A process for producing a body for exhaust gas treatment having a plurality of metallic layers, includes bringing the layers into contact with each other in a connection region. A connection is made by a roller seam welding process in such a way that the layers form... | 01/13/2009 |
| 7423233 | Butt welding device and butt welding method A butt welding apparatus and a butt welding method where end faces of at least one plate member to be welded are butted to each other to form a butt portion, and butt welding can be performed on respective plate members which have various thickness sizes on both sid... | 09/09/2008 |
| 7307235 | Butt welding apparatus, butt welding method, and butt welded product A butt welding apparatus, a butt welding method, and a product manufactured by the butt welding method involves two electrode rollers disposed on both the front and back sides of a thick sheet member and a thin sheet member whose end surfaces are butted. The electro... | 12/11/2007 |
| 7281319 | Apparatus for manufacturing wire wound filter screens An apparatus for manufacturing a wire wound filter screen from wrapping wrap wire over a set of rib wires has a frame, a spindle for supporting the rib wires in a longitudinal orientation, a wire guide for delivering wrap wire around the rib wires as the spindle rot... | 10/16/2007 |
| 7148444 | Method and system for resistance seam welding of a foil and at least one foil support of a fuel cell system A method and a system for resistance seam welding of a foil and at least one foil support of a fuel cell system. During welding, the thin foil, together with the thicker foil support, is moved relative to the roller electrode while resting on a flat support element.... | 12/12/2006 |
| 7112757 | Programmable resistance seam welding apparatus and method A resistance welding apparatus having a pair of programmable ball electrodes carried on universally movable positioners. The positioners are programmed to move the ball electrodes simultaneously along a seam line so that the ball electrodes clamp and support opposit... | 09/26/2006 |
| 7094048 | Flexible imaging member belt seam smoothing method Apparatus comprising a support member having a flat surface adapted to receive and support a seam region of a flexible belt comprising thermoplastic polymer material having a predetermined glass transition temperature, a heatable member having a smooth heatable flat... | 08/22/2006 |
| 7052078 | Tailored blank article with lead-in opening structure A tailored blank article having a lead-in opening structure, which is free from water leakage even through a lead-in opening is located at a step formed on one surface of the tailored blank article consisting of two metal plates with different thicknesses butt-welde... | 05/30/2006 |
| 7053330 | Projection weld-bonding system and method A method of welding and a projection weld bond system is disclosed. A first workpiece is provided that is made of a material that conducts electricity, and a second workpeiece is provided that is made of a material that conducts electricity and has a plurality of pr... | 05/30/2006 |
| 7051435 | Process for repairing turbine components A process for repairing a turbine component comprises overlaying a preform of a brazing material onto a surface of the turbine component, wherein the surface comprises a damaged portion; securing the preform of a brazing material to the surface; and heating the turb... | 05/30/2006 |
| 7038160 | Method for producing permanent integral connections of oxide-dispersed (ODS) metallic materials or components of oxide-dispersed (ODS) metallic materials by welding A method for producing permanent integral connections of oxide-dispersed metallic materials by welding. The materials or components to be connected are overlapped to form an overlapping region in a joining region of the overlapping region. The materials or component... | 05/02/2006 |
| 7026574 | Wire gripper for a drive unit of a wire feeder A gripping device for a set of pinch rollers used in a wire feeder that supplies a welding operation with a consumable welding wire. The welding wire passes between the pinch rollers whereby the pinch rollers engage the wire with a gripping force and incrementally r... | 04/11/2006 |
| 6956187 | Steel plate splicing facility utilizing shear joining A steel plate splicing facility includes, a steel plate heating apparatus for retrieving and heating a preceding steel plate and a following steel plate, and a shear-joining apparatus for clamping a tail end portion of the preceding steel plate and a leading end por... | 10/18/2005 |
| 6931729 | Method for manufacturing a filler neck In response to the recent various requests, the present invention provides a method for manufacturing filler neck to facilitate jointing a mouthpiece and a feeding pipe which were manufactured separately into an integrated filler neck having an excellent hermeticity... | 08/23/2005 |
| 6907912 | Method and device for joining sections of thermoplastic continuous web material The invention relates to a method for joining a number of sections (7) of a thermoplastic continuous web material in order to form an expandable section block (2). Said block is built up by repeatedly carrying out sequences of steps of the method. The ... | 06/21/2005 |
| 6545244 | Conductive heat seam welding A welding arrangement comprises first and second parts to be welded with an edge portion of the first part and an edge portion of the second part juxtaposed to form a weld zone. An electrically-conductive sheet(s) with a higher melting temperature than a ... | 04/08/2003 |
| 6518535 | Device and method for seaming welding This invention relates to an apparatus and a method for manufacturing a member which makes a part of a car body of an automobile or the like by mash-seam welding a plurality of blanks. Standby areas (B) are provided at both right and left sides of an weld... | 02/11/2003 |
| 6452128 | Method of feeding a welding machine, as well as a welding machine and an automatic feeding device for carrying out the method In a rolled seam welding machine which can be fed from the front for producing a lap seam, the welding roller which is disposed in front of the Z rail can be swung away in order to facilitate automatic feeding of the welding stock into the Z rail.... | 09/17/2002 |
| 6448532 | Method for resistance welding metal parts The invention relates to a resistance welding process for welding metal parts together. To improve the quality of the weld, at least one welding electrode (4) is embodied as a circular cylinder, which is seated so that it rotates around its cylinder axis.... | 09/10/2002 |
| 6444947 | Method and device for laser beam welding The invention relates to a method and a device for laser-beam welding, because the invention is especially suitable for deep welding a wide variety of materials. The object of the invention is to weld a wide variety of materials by means of laser radiatio... | 09/03/2002 |
| 6443352 | Electrical resistance based object consolidation Resistance heating, preferably with applied pressure, is used to consolidate incremental volumes of material to produce a desired object in accordance with a description thereof. The joining of the material increments may occur in the solid state, liquid ... | 09/03/2002 |
| 6396023 | Airtight sealing method and airtight sealing apparatus for semiconductor laser element The present invention provides a method for hermetically sealing a semiconductor laser element, by which the cleanness of a package can be maintained extremely satisfactorily in a stabilized state, in order to prevent organic substances from being adhered... | 05/28/2002 |
| 6281467 | Conductive heat resistance seam welding A welding arrangement (10) consists of first and second parts to be welded (4a, 4b) with a portion of the first part and a portion of the second part juxtaposed to form a weld zone (8a, 8b). An electrically-conductive sheet (2) with a higher melting tempe... | 08/28/2001 |
| 6069337 | Fuel tank for motorcycle, and process for producing the same A fuel tank for a motorcycle includes a body panel, and a bottom plate. The bottom plate occludes an opening at a lower end of the panel and has an outer surface which is recessed inwards of the panel. A first junction flange portion which is integrally f... | 05/30/2000 |
| 6060681 | Process and apparatus for laser welding In a process and apparatus for laser welding two metal sheets which overlap to form a flange seam and which are pressed together in the area of the flange seam, the metal sheets and the laser beam are moved relative to one another. Welding is performed us... | 05/09/2000 |
| 6011236 | Method and apparatus for joining two metal foils together In a method for joining together two metal foils which are at least partly superimposed on one another, eg. at the margins, the metal foils are guided between two metal wires carrying an electric current and each rolling over a foil.... | 01/04/2000 |
| 5951885 | Method and apparatus for generating welding pressure in a roller seam welding machine In a roller seam welding machine, the upper welding roller is led through a welding-force adjustment device with two spring elements. One spring is already effective when the initial deflection of the welding roller occurs. The other spring comes into ope... | 09/14/1999 |
| 5883353 | Seam welding machine and method for protecting welding electrodes In a welding electrode protecting machine, welding electrodes are protected against a surface treating agent on strips to be welded by applying a proper amount of electrode protecting agent onto surfaces of welding electrodes prior to or during welding op... | 03/16/1999 |
| 5883354 | Method of fastening a strip of thin sheet metal on a conical separation disc of thin sheet metal, and a separation disc provided in this manner with a strip of thin sheet metal Conical separation discs of thin sheet metal intended for centrifugal separators have, as a rule, spacing members in the form of thin strips welded onto one of their sides. For avoiding local overheating of a separation disc, when a strip is to be welded ... | 03/16/1999 |
| 5866867 | Surface mount package seam welder apparatus and method A seam welder for sealing a cover of a surface mount package to its carrier includes a table for receiving a fixture which itself carried surface mount packages to be welded for sealing an electronic component therein. Electrical current to welding electr... | 02/02/1999 |
| 5841094 | Method and apparatus for resistance welding coated sheet metal For welding sheet-metal blanks coated with electrically conductive material, the thickness of the coating is measured with a measurement device. The welding current source controls the welding current I as a function of the film thickness reading obtained... | 11/24/1998 |
| 5789718 | Mash seam welding process and mash seam welding apparatus Mash seam welding process and apparatus, wherein two plate-like workpieces having different thickness values are fed and guided by a guiding device such that a length WH of contact of the thick plate-like workpiece with one of two roller electr... | 08/04/1998 |
| 5724712 | Method and apparatus for automated processing and handling of welded sheet metal blanks A method and apparatus for automatically welding and handling welded tailored blank composites. The method comprises the steps of transferring first and second sheet component parts from respective input stacks to an assembly table of a welding machine. T... | 03/10/1998 |
| 5679272 | Method of welding containers and apparatus therefor When welding a series of container bodies, the welding speed is at first increased to prevent the first body from colliding with the second body at the intake to the welding machine. The welding speed is then reduced to a rated welding speed Vs... | 10/21/1997 |
| 5676862 | Electric resistance welder having capability of consistent seam welding and heat-treating An electric resistance welder welds, hot reduces, tempers and planishes overlapped metal workpieces. The welder incorporates two transformers (50, 60) which are connected to two sets of wheel electrodes (26, 28 and 36, 38). Electric current from a first t... | 10/14/1997 |
| 5634255 | Method and apparatus for automated processing and handling of mash weldedsheet metal blanks A method and apparatus for automatically welding and handling mash welded tailored blank composites. The method comprises the steps of transferring first and second sheet component parts from respective input stacks to an assembly table of a mash welding ... | 06/03/1997 |
| 5622637 | Process for seam welding an overlapping sheet-metal seam In a seam welding process for overlapping sheets, in particular for welding can bodies, the welding force is momentarily reduced upon each insertion of a can body between the welding rollers. This keeps the welding pressure constant even at the start of a... | 04/22/1997 |
| 5503322 | Metal container for transport and storage of liquids A sheet metal container (1) used as a retainable or nonretainable container for transport and storage of liquids has a fill neck (3) which can be sealed with a cap (4) and another neck (5) in the bottom area for connecting a discharge and flushing cock, a... | 04/02/1996 |
| 5473133 | Projection resistance welding method Two pieces of steel strip are welded together by a method employing projection resistance welding. A portion of one strip is formed with a series of aligned projections and arranged in superimposed relation with a portion of the other strip. The superimpo... | 12/05/1995 |
| 5471026 | Continuous resistance welding apparatus and method A relatively simple and inexpensive apparatus and method for providing high quality and aesthetically pleasing continuous resistance welded hollow metal articles at constant speed comprises an article workpiece conveying guide means for guiding the articl... | 11/28/1995 |
