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| Number | Title | Issue Date |
| 7270174 | Method, system and program product for automatically checking coolant loops of a cooling system for a computing environment Method, system and program product are provided for facilitating operation of a cooling system designed to provide system coolant to one or more electronics subsystems of a computing environment. The technique includes automatically checking at least one coolant loo... | 09/18/2007 |
| 7238911 | Resistance welding tip with improved cooling system An improved cooling system for adapting to a two-component welding electrode device having a shank and cap, includes a retractable nozzle tube, a manifold, and an adjustment element for adjustably interconnecting the tube and manifold. A threaded bushing or plunger ... | 07/03/2007 |
| 7145097 | Method and apparatus for electrical resistance spot welding using electrical servo actuator The present invention provides a servo driven spot welder where an electric servo actuator moves at least one of two electrodes to and away from the workpiece. The servo driven spot welder includes a controller that allows accurate control of the position of one of ... | 12/05/2006 |
| 7141752 | Electric actuator An electric actuator having an in-line rotation shaft, electric motor and encoder in which the encoder shaft, the motor shaft and the rotation shaft is concentric and integrally formed. ... | 11/28/2006 |
| 7139623 | Method and apparatus for use of multiple control systems A method and apparatus for simultaneously controlling multiple control systems is provided. The resulting hybrid control system provides for sharing of inputs and outputs on a control surface membrane between the multiple distinct control systems. A unified tactile/... | 11/21/2006 |
| 7126078 | Sub-micron adjustable mount for supporting a component and method An arrangement is provided including an electrode extending to an electrode tip for contacting a workpiece. A welding configuration of the electrode tip is established by exposing the electrode tip to a selected welding environment for use in forming a weld having a... | 10/24/2006 |
| 7114754 | Mobile construction support vehicle A vehicle for use in the construction trade to support steel building fabrication and support issues. In the preferred embodiment, the vehicle comprises a trailer, a mobile type unit containing enough equipment to handle most tasks used on a construction site, parti... | 10/03/2006 |
| 7075028 | Sub-micron adjustable mount for supporting a component and method Attaching an attachment surface of an electrically conductive workpiece to an electrically conductive support surface is described. In one aspect, a biasing force is distributed at least partially around a weld region of the workpiece to urge the attachment surface ... | 07/11/2006 |
| 7000467 | Method, system and program product for monitoring rate of volume change of coolant within a cooling system Method, system and program product are provided for monitoring coolant within a cooling system designed to provide system coolant to one or more electronics subsystems. The monitoring technique includes employing at least one pressure transducer to obtain multiple p... | 02/21/2006 |
| 7000416 | Cooling apparatus and plasma processing apparatus having cooling apparatus a cooling apparatus 110 comprises a primary refrigerant circulating circuit which allows a primary refrigerant CW1 whose temperature is adjusted by a heat exchanger 138 to circulate through an electrode to adjust a temperature of the electrode, ... | 02/21/2006 |
| 6909064 | Pinch weld gun with swivel shunt connection A weld gun including a frame structure, a weld arm mounted on the frame structure, an electrode mounted on the weld arm and including an electrode cap at one end of the electrode, a transformer, and a shunt fixedly secured at one end thereof to another end of the el... | 06/21/2005 |
| 6573470 | Weld gun heat removal A weld gun includes internal, external and structural devices that dissipate heat generated at electrode tips without requiring a continuous external source coolant. The internal devices utilize heat pipes within the electrodes to transfer heat to seconda... | 06/03/2003 |
| 6359249 | No wat welding system The present invention relates to an improved resistance weld-based gun assembly for use in an electric welding system without a need for plant-provided air and water-cooling circulation systems. In one aspect of the invention, a resistance-based force con... | 03/19/2002 |
| 6066824 | Resistance welding system with a self-contained close-loop cooling arrangement A resistance welding system with a self-contained close-loop cooling arrangement which includes a chiller, a welding transformer, a cable and a welding gun. The chiller has a feed-port and return-port for the cooling fluid. The welding transformer has an ... | 05/23/2000 |
| 6026838 | Method for detecting opening in fluid flow passageway and shutting off flow in response thereto An apparatus detects an opening in a fluid flow passageway such as occurs when a resistance welding cap which is cooled by the fluid flow becomes accidently detached from a welding machine. Upon detection of an opening, an air-actuated pinch lever is acti... | 02/22/2000 |
| 5950667 | Apparatus for detecting opening in fluid flow passageway and shutting off flow in response thereto An apparatus detects an opening in a fluid flow passageway such as occurs when a resistance welding cap which is cooled by the fluid flow becomes accidently detached from a welding machine. Upon detection of an opening, an air-actuated pinch lever is acti... | 09/14/1999 |
| 5801353 | Superimposed sheet welding system including rotatable welding electrode and cooling rings A method and apparatus for welding thin sheets (34) and (35) at the periphery of aligned holes therein by melting the sheets together by a rotating electrode (23) in a protective gas atmosphere. The sheets (34) and (35) are pressed together by copper ring... | 09/01/1998 |
| 5719367 | Welding gun coolant control valve assembly A coolant control valve assembly for an automatic welding gun. The assembly includes a manifold having a supply passageway and a return passageway for respectively supplying coolant to and receiving coolant from the welding gun. A controller is used to co... | 02/17/1998 |
| 5705782 | Internal coil spot welding device A spot welding device to secure the inner end of a coil of steel to itself to prevent uncoiling. The welding device is carried on an articulated support arm assembly that allows for positioning the welder within the coil on a gimble axis mount for proper ... | 01/06/1998 |
| 5705783 | Copper core weld gun A copper core weld gun assembly is provided with a substantially omega (Ω) shaped cross-section taken through each arm of the assembly. Concentric copper tubes are provided to carry cooling water and electric current to the electrodes of each arm. Specia... | 01/06/1998 |
| 5698117 | Shut off valve system for robotic welding devices A sensor and valving system for controlling the flow of liquid coolant in a welding electrode cooling circuit using coolant under pressure in supply and return lines. The system is responsive to loss of coolant to the welding electrodes by pressure respon... | 12/16/1997 |
| 5632911 | Apparatus for aiding in the manipulation of a tool Apparatus for aiding in the manipulation of a tool by supporting the weight thereof is designed particularly for a resistance welding tool. The apparatus includes an overhead support, a curved bar hanging below the support, a trunnion connected to a lower... | 05/27/1997 |
| 5530218 | Spot welding apparatus In a spot welding apparatus in which a column (7) is stood on a base (5) provided with a worktable (3) for supporting work (W); and a welding arm (15) having an electrode (13) at a free end portion thereof is pivotally supported up and down at a lower por... | 06/25/1996 |
| 5478981 | Resistive electrode An improved resistive electrode is disclosed for a welding apparatus for welding a battery terminal post to a battery bushing, The battery terminal post is electrically connected to a battery plate disposed within a battery case and the battery bushing is... | 12/26/1995 |
| 5471029 | Water cooled resistance welding assembly A water cooled resistance welding assembly includes a tubular housing with an internal coolant system for efficiently removing heat from the inboard surface of a flat faced electrode for resistance welding either studs or nuts.... | 11/28/1995 |
| 5378868 | Shut off check valve for a welding gun A shut off check valve for controlling cooling fluid flow to weld tips of a resistance welding gun. The valve is disposed within the weld gun housing and selectively interrupts cooling fluid flow between fluid inlet and outlet ports.... | 01/03/1995 |
| 5266768 | Cooling system for multi-tip spot welder A system and method for cooling multiple weld tips of a welder. The welding system includes a housing and a plurality of weld tip plungers, each plunger being independently movable with respect to the housing, and each plunger having a mechanism for recei... | 11/30/1993 |
| 5153405 | Cooling water piping system for welding robot gun A water cooling piping system for welding robot gun comprising first to third cooling water supply pipes and first to fourth cooling discharge pipes for cooling an electrical transformer and other elements and capable of improving the efficiency of the we... | 10/06/1992 |
| 4788407 | Spot welding electrode apparatus A spot welding electrode valve includes a body having an upper and a lower tapered portion and containing a hollow valve which houses a spring loaded sensor having a valve portion. The spot welding electrode valve is adapted to be mounted to a standard re... | 11/29/1988 |
| 4656327 | Spot welder with electrode clamp A portable spot welder includes a hand-held electrode clamp assembly. The hand-held clamp has a fixed electrode and a movable electrode adapted to be moved toward and away from the fixed electrode. A spring loaded toggle is used to pivot the movable elect... | 04/07/1987 |
| 4623775 | Articulated resistance welding electrode with universal movement A resistance welding electrode for producing spot welds on a workpiece without marring comprises a hollow electrically conductive shank for conducting welding current and pressurized cooling fluid, an electrode head affixed to a rigid, electrically insula... | 11/18/1986 |
| 4551605 | Gun arm apparatus for resistance welding gun The present invention is directed to a gun arm for a resistance welding gun. The gun arm comprises a main body, an electrode holder mounted on the front portion of the main body and a support member fixed to the rear portion of the main body. The main bod... | 11/05/1985 |
| 4550236 | Gun arm apparatus for resistance welding gun The present invention is directed to a gun arm apparatus for a resistance welding gun. The gun arm apparatus comprises a main body having a U-shaped cross-section with an opening formed between the legs of the U. The main body is formed from a relatively ... | 10/29/1985 |
| 4507534 | Welding robot A handling robot for a current-consuming appliance (e.g. a welding head) comprises a pivotal stand with a first arm which is rotatably journalled in the stand and a second arm which is rotatably journalled in the first arm. The second arm has a sleeve whi... | 03/26/1985 |
| 4504724 | Fusing machine A fusing machine utilizes a fusing electrode assembly and a ground electrode assembly suspended from the fusing electrode assembly. The fusing electrode assembly includes a lower fusing electrode shaft and an upper fusing electrode shaft. The lower fusing... | 03/12/1985 |
| 4393298 | Liquid cooling for a welding torch During operation of a welding torch (10), electrode wire (17) travels through a contact tip assembly (14) directly into a weld area. The torch (10) is exposed to elevated temperatures which can cause damage from weld spatter and increased deterioration of... | 07/12/1983 |
| 4356373 | Electrical resistance welding apparatus A welding gun for electrical resistance welding has an electrode holder arm (1,2,3) made as a shell construction. The current supply to the stationary electrode (5) as well as the coolant supply to and returning from the electrode is effected with the aid... | 10/26/1982 |
| 4260868 | Current carrying reciprocable fluid motor Means are shown for carrying current within the moving members of a reciprocable fluid motor such as is used to operate a welding gun. The current is transmitted from a cable to the piston rod through a stationary contactor having a portion secured to the... | 04/07/1981 |
| 4208568 | Non-marring spot weld tip To prevent buckling and indentation of a panel being spot welded, a welding tip including an electrode of large load bearing and heat conducting surface is used to spread the load and also efficiently cool the workpiece. The large area electrode is a wate... | 06/17/1980 |
| 4208566 | Spot welding device A C-shaped spot welding gun has its movable electrode extending from one arm of the gun's C-yoke. An air cylinder for moving the electrode is attached on the opposite side of the arm. A package of parallel copper strips is bent to U-shape and surrounds th... | 06/17/1980 |
