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| Number | Title | Issue Date |
| 7893382 | Stud welder An appartus and method for a stud welder power source is disclosed. The power source has a control circuit connected to an inverter which converts an electrical signal from a power source into an electrical signal that can perform stud welding. The inverter conditio... | 02/22/2011 |
| 7476826 | Break away fastening system A fastening system with a weld stud having an annular weldment portion and a fracturable nut is provided. The fracturable nut and stud construction is configured to fail under torsional load prior to the structural parts failure. ... | 01/13/2009 |
| 7416393 | Apparatus and method for joining a rotor blade to a rotor mount of a gas turbine rotor A gas turbine rotor and a method for manufacturing a gas turbine rotor having integral blading, is disclosed. A rotor blade has a blade pan and a blade footing connected to the blade pan. The blade footing is designed with a V-shaped cross section in at least some p... | 08/26/2008 |
| 7364394 | Break away fastening system A fastening system is providing, the fastening system has a weld stud having an annular weldment portion and a fracturable nut. The fracturable nut and stud construction is configured to fail under torsional load prior to the structural parts failure. ... | 04/29/2008 |
| 7339133 | Stud welding method and stud welding device particularly for stud welding without a support foot The invention relates to a stud welding method, particularly for welding without a supporting foot, which makes it possible to securely detect the presence or the absence of a part to be welded in the stud holding device. For this purpose, in a first embodiment of t... | 03/04/2008 |
| 7335849 | Stud welding method A method of welding a stud 15 to a base material 14, both made of magnesium or magnesium alloy, comprising; a first step of disposing the stud 15 having a projection 28 at an end portion thereof to have a gap to the base material 14; | 02/26/2008 |
| 7333906 | Quality analysis including cumulative deviation determination A device and technique for monitoring the quality of a manufacturing process, a resulting part or both includes determining a cumulative deviation of an actual process signature from an expected signature. A disclosed example includes determining a quantitative valu... | 02/19/2008 |
| 7291802 | Joining system head, joining system, and method of feeding and joining elements A joining system head (22) is proposed for fixation to a movable frame (12), in particular to a robot (12), having a holding means (66) for an element (36) to be joined to a part (38),... | 11/06/2007 |
| 7289862 | Methods to support process quality and maintenance during control of an industrial process such as welding A number of methods to support process quality and maintenance during control of an industrial process such as welding are provided. The methods provide, among other things: automatic process limit programming based on runtime data; user-initiated process limit prog... | 10/30/2007 |
| 7282662 | Paint groove stud A weld stud includes a cylindrical body having an outer surface and opposing first and second ends. At least one groove is formed in the outer surface of the cylindrical body. The groove extends helically about the cylindrical body from the first end toward the seco... | 10/16/2007 |
| 7279653 | Process for short-time arc-welding and short-time arc-welding system A process and a system are proposed for short-time arc-welding elements, such as for example metal studs, on to components, such as for example metal sheets, wherein an element in the context of a welding operation is initially raised in relation to the component, a... | 10/09/2007 |
| 7267736 | Method of joining dissimilar materials The present invention provides a method of joining dissimilar materials, particularly a non-ferrous component to a ferrous component to form an assembly. In an overlapping configuration, the parts are held together under a clamping force while a self-piercing rivet ... | 09/11/2007 |
| 7262383 | Feeder device for a fixing element and method for the operation thereof A feed device for fastening elements with low length-to-diameter ratio has a hollow clamp into which individual fastening elements are inserted through a feed channel. The clamp has an internal pocket for pre-positioning a fastening element. A piston moves through t... | 08/28/2007 |
| 7227096 | Stud weld A welding stud is attachable to a workpiece at a work end portion shaped for enhanced attachment strength with the workpiece. The welding stud has a portion of reduced thickness along a body portion between the work end portion and a retaining collar. The reduced th... | 06/05/2007 |
| 7223934 | Hand welding device, welding apparatus and welding gauge A hand welding device for short-time arc welding of elements, such as metal studs, onto parts, such as metal sheets, having a handlable housing, a holding means mounted on the housing to hold an element to be welded onto a part, a reciprocating means mounted on the ... | 05/29/2007 |
| 7199325 | Method for interconnecting tubulars by forge welding A method for interconnecting tubulars by forge welding involves arranging the tubular ends that are to be interconnected at a distance, up to a few millimeters from each other in a shield gas chamber, into which a reducing non-explosive flushing fluid mixture (e.g. ... | 04/03/2007 |
| 7176401 | Method and device for welding an aluminum-based stud A method of welding a stud (11) is provided. In another aspect of the present invention, a welding system is provided for a weld stud (11). A further aspect of the present invention employs a weld stud (11) with a substantially conical end secti... | 02/13/2007 |
| 7170026 | Arc stud welding device and method In an arc stud welding device and method, after initial contact of a stud with a component (welded component) to which it is to be welded, the stud is lifted by an amount that permits a proper arc to be formed, even if the welded component was depressed by the initi... | 01/30/2007 |
| 7166815 | Short-time arc welding system and method A short-time arc welding system and method for welding elements on parts includes: a robot having an arm moveable in at least one coordinate axis; a welding head mounted on the arm having a holding device to hold an element, and a lifting device for advancing and re... | 01/23/2007 |
| 7141753 | Arc stud welding device and method An arc stud welding device and method are provided, in which a stud is pulled up to an appropriate predetermined height, even after a portion of a flexible base material is dented by the stud and has returned to an original flat condition. A controller operates a li... | 11/28/2006 |
| 7129437 | Method for monitoring a welding process during the welding of studs and device for carrying out said method The invention relates to a method of monitoring the welding operation in a stud welding process, wherein a part (19) to be welded is immersed into the melt by moving the part (5) towards a workpiece (17), with a physical quantity depending on th... | 10/31/2006 |
| 7119302 | Short-time arc welding system and method for short-time arc welding A short-cycle arc-welding system (10) and a method for welding elements (32), such as metal bolts (32) to components (34) such as sheet metal (34) includes a robot (12), having at least one arm (16) displaceable on at... | 10/10/2006 |
| 7109434 | Device and method for short cycle arc welding A device and a method for short-cycle arc welding of elements (26) to components are disclosed, with a positioning mechanism (14) that holds a welding head (28) and can be positioned relative to a component (12), wherein the welding head ... | 09/19/2006 |
| 7084375 | Cookpot The present invention relates to a cooking appliance used for boiling or cooking food, or more particularly, to a cooking pot, which can rapidly heat water or food, and thereafter can suppress overflowing of water or food therein, while simultaneously maintaining it... | 08/01/2006 |
| 7071440 | Stud welding apparatus A welding gun 10 has a collet for holding a stud with a flange and a shank at the tip of the welding gun. The collet comprises a tubular first collet member 17, secured to the tip, which elastically opens to a larger diameter than the stud flange, for ... | 07/04/2006 |
| 7064289 | Short-time arc-welding system and process for controlling such a system The invention relates to a rapid arc welding system (10) for welding elements (12) onto components (14). The inventive system comprises a welding head (16), a supply device (24) for supplying elements (12) to the component (... | 06/20/2006 |
| 7060930 | Joining system head, joining system, and method of feeding and joining elements What is proposed is a joining system head (22; 170) for fixation to a movable frame (12), in particular to a robot (12), having holding means (66; 174) for an element (36) to be joined to a part (... | 06/13/2006 |
| 7053331 | Stud welding method and stud welding device, especially for stud welding without a support foot According to a first embodiment of the method, the stud holder is first positioned without a part to be welded at a certain distance from the tool surface. A part to be welded is then provided. When the welding axle moves towards the workpiece, the path that needs t... | 05/30/2006 |
| 7045736 | Process for short-time arc welding and short-time arc welding system A process and a system are proposed for short-time arc welding elements, such as for example metal studs, on to components, such as for example metal sheets, wherein an element in the context of a welding operation is initially raised in relation to the component, a... | 05/16/2006 |
| 7030333 | Method of joining plates with weld fastened studs A method of joining plates includes the steps of providing a one or more studs having a head, a barrel and a weld tip. The plates and studs are arranged such that a first plate having at least one hole is located between the studs and a second plate with each stud a... | 04/18/2006 |
| 7009144 | Process for short-time arc welding and short-time arc welding system A process and a system are proposed for short-time arc welding, in particular for stud welding, with the step of sampling a welding parameter, in particular the arc voltage (U), during at least one time segment (Ts) of the welding operation, in order to d... | 03/07/2006 |
| 6933458 | Method for positioning a welding bolt and bolt welding head The invention relates to a method for positioning a welding bolt (15), held in a bolt welding head (3), whereby the robot (5), to which the bolt welding head (3) is fixed, moves the bolt welding head sideways until a touch sensor (21 | 08/23/2005 |
| 6906277 | Reinforcement butt stud welding method and device therefor and repairing/expanding method for ferroconcrete structure A reinforcement butt stud welding method and a device therefore, capable of butt-welding a stud reinforcing bar coaxially to the end portion of a horizontally-laid existing reinforcement in a small work space; and a repairing/expanding method for a ferroconcrete str... | 06/14/2005 |
| 6860687 | Weldable aluminum stud A weld-on part made of aluminum or an aluminum alloy, such as but not limited to a stud (1), which has a surface which is at least partially provided with a layer (5) which contains a titanium containing material. The stud (1) is treated with a ... | 03/01/2005 |
| 6825434 | Method for welding a bolt onto a workpiece and a bolt-welding device The invention relates to a method for welding a bolt (19) onto a workpiece, using a bolt-welding device and to a bolt-welding device. A force is applied to the drive shaft (11) using a switchable unit (29), said force exerting a resistance again... | 11/30/2004 |
| 6815631 | Method and device for multiple stage arc-welding The invention relates to a multiple stage method for arc-welding a bolt (3) to a metal structure (1), said bolt (3) having a flange (5) at the end that is to be welded on. The actual welding process is preceded by a cleaning method that i... | 11/09/2004 |
| 6762392 | Lift-and-strike welding process with cleaning stage The present invention relates to a lift-and-strike welding process. In a first step, e.g. an aluminum surfaces (5) of a component is cleaned by striking an arc and then the element (4) to be connected is welded on by means of at least one second voltag... | 07/13/2004 |
| 6667455 | Drawn arc welding method and drawn-arc-weld ferrule A method for attaching parts together includes several steps. The parts are positioned for drawn arc welding the parts together. A drawn-arc-weld ferrule including metal is obtained. The ferrule is positioned for use in drawn-arc-welding together the posi... | 12/23/2003 |
| 6660958 | Arc welding method and apparatus A process and apparatus for welding a metal component to a metal workpiece. The component typically comprises a metal weld region and a threaded connector region and the apparatus includes a weld head comprising a nozzle for holding the weld region of the... | 12/09/2003 |
| 6559406 | Air feed weld gun with retractable piston A blow feed weld gun for welding a nut to a metal substrate is disclosed. The blow feed weld gun has an air feed mechanism and a nut drive mechanism. The nut drive mechanism contains a primary piston assembly located within a cylindrical working chamber. ... | 05/06/2003 |
