Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7446279 | Log splitter A self-contained, or externally actuated, hydraulic log splitter which includes a frame on which is slidably mounted an assembly of a specially designed push plate secured at one end to a reversible hydraulic cylinder and at the other to a splitting table carrying l... | 11/04/2008 |
| 7429713 | Method for improving single sided resistance spot welds A method of improving a single-sided resistance spot weld includes forming an adhesive bond between a sheet and a tube to thereby form a two-ply structure by which the sheet metal and the tube wall stiffen each other against bending. The adhesive bond is preferably ... | 09/30/2008 |
| 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 |
| 7126077 | Resistance welding of high strength steels The formation of spot welds in high strength steel workpieces is improved by using welding electrodes with annular, or donut shaped welding tips for the formation of the molten metal weld pool at the weld site. The annular poll solidifies to form an annular weld nug... | 10/24/2006 |
| 7078644 | Resistance welding method, resistance welding apparatus, and method for manufacturing electronic component In a resistance welding method and a resistance welding apparatus which prevent a decrease in bonding strength between a lead wire and a metal member due to a partially formed current flow path and which immediately removes a defective component from a manufacturing... | 07/18/2006 |
| 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 |
| 7009135 | Electrode alignment device for automated welding machines An electrode alignment device and weld head for automated welding machines includes a base member, a gap wheel, an electrode holder and a coupling rod. The gap wheel includes a plurality of graduations, where each graduation corresponds to a predetermined electrode ... | 03/07/2006 |
| 6806436 | Series spot welding method, device for carrying out the method, and electrodes employed in the method or the device In a series spot welding method, leading edge portions of pressed electrode tips crush bearing surfaces that are one stage higher than a general portion. Thereby, the bearing surfaces are first deformed into a spherical shape. The bearing surfaces thus deformed into... | 10/19/2004 |
| 6770833 | Micro-welding electrode A micro-welding electrode which is installed in a welding machine and applied to the electronics industry and spot electric welding industry. The micro-welding electrode includes two integrated electrodes which are made from high-temperature-resistant materials and ... | 08/03/2004 |
| 6459064 | Assembling electroconductive parts by electric current heating The invention concerns a method for assembling electroconductive pass by electric current heating. Said method is characterised in that it consists in moving forward electrodes (10, 20) with different polanties, towards the parts (30, 40) to be assembled,... | 10/01/2002 |
| 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 |
| 6373020 | Welding apparatus A welding apparatus provided with lower electrode portions, upper electrode portions, and a cooling water circulation duct which circulates and supplies cooling water to welding electrode pressurizing cylinder guns on the upper electrode portions. A check... | 04/16/2002 |
| 6011235 | Method and apparatus for controlling resistance welding An apparatus for controlling resistance welding defines a weld time for series welding as a plurality of (e.g., two) weld periods. In one embodiment, a control successively switches a bidirectional switch in a first polarity during the first weld period s... | 01/04/2000 |
| 5708248 | Apparatus for pull spot welding An apparatus allows a robot arm located in from of a body panel to create a spot weld joint located inboard of and behind an edge of the panel. A bracket fixed to the wrist of the robot arm has an open side wide and deep enough to reach around and behind ... | 01/13/1998 |
| 5593604 | Method of resistance welding thin elements A battery pack (30) is assembled with a flexible circuit board (38), a first tab (40), and a second tab (42). The flexible circuit board (38) has an exposed area of isolated conductor (46) which is located directly under the intersection of the first tab ... | 01/14/1997 |
| 5541381 | Sheet metal working electrode and handpiece A sheet metal working electrode handpiece is described for delivering electric current from a source of electrical energy to a selected location on a sheet metal workpiece. The electrode has an electrically insulated handle with an electrical conductor ha... | 07/30/1996 |
| 5525774 | Method and apparatus for fusing lead wires of coils to terminals A fusing electrode is mounted on a vertically movable carriage which is raised by a first air actuator and lowered by gravity into engagement with a commutator tang. During a fusing cycle, different pressures are applied between the fusing electrode and t... | 06/11/1996 |
| 5407122 | Method and device for fastening a sealing ring on a pipe A method for fastening an elastic sealing ring on a pipe includes the steps of applying a base portion of the sealing ring against the circumferential surface of the pipe, and placing a clamping strap under tension around the outer face of the base portio... | 04/18/1995 |
| 5360958 | Welding apparatus having coaxial welding electrodes A resistance welding apparatus for welding a wire to a metallic pad of an integrated circuit. The welding apparatus has coaxial welding electrodes with the outer electrode being in the form of a tube. The inner electrode is a cylindrical rod and is locate... | 11/01/1994 |
| 5298712 | Welding system for a battery pack A welding system for a battery pack utilizing three-phase 400 Hz power at low voltage over a short time period. In utilizing these parameters, there is minimal or no migration of materials between a welding area, welding electrodes, a metal member and a b... | 03/29/1994 |
| 5220145 | Automatic welder control system The present invention provides a weld control monitoring system which determines the quality of the welds in real time, and provides responsive useful outputs indicating the quality of the weld. The system permits the user to input weld data as well as qu... | 06/15/1993 |
| 5097109 | Insulated aluminum weld fixture and a method of making same A spot welding fixture for holding worpieces in correct orientation has a water cooled aluminum body processed to have an aluminum oxide coating. The coating electrically insulates the body but provides good thermal conductivity so that a fixed electrode ... | 03/17/1992 |
| 5079400 | Resistance welding tool A welding tool is disclosed comprising a working electrode and a ground electrode. A tool body comprises means for holding the electrodes in a contiguous, spaced-apart, side-by-side relationship. The electrodes are movable along parallel axes to and away ... | 01/07/1992 |
| 5030814 | Indirect spot welding method A method of indirect spot welding two or more members together, comprising the steps of pressing electrodes against at least one of the members, flowing a square wave current between the electrodes and across the members during a first time period, pausin... | 07/09/1991 |
| 4963712 | Spot welder A spot welder comprising a movable truck which is movable along a workpiece, and first, second and third electrodes supported on the truck. The first and second electrodes are adapted to pair with each other for series welding, and one of the first and se... | 10/16/1990 |
| 4910376 | Welding electrode arrangement A welding electrode arrangement comprising an inner electrode and a plurality of electrically interconnected outer electrodes defining a closed figure about the inner electrode, the outer electrodes being resilient in a direction substantially parallel to... | 03/20/1990 |
| 4738560 | Welding seam for the connection of two thin sheet metal members A connection of an outer sheet metal member with an inner sheet metal member whereby the outer sheet metal member must form an optically smooth surface. For that purpose, the outer sheet metal member is folded over the inner sheet metal member and a weldi... | 04/19/1988 |
| 4724294 | Programmable welder The specification discloses a programmable resistance welder including a work table, a gun assembly, a gun transport mechanism, a weld control, and a master control. The gun assembly and transport mechanism are located entirely above the table. The contro... | 02/09/1988 |
| 4701013 | Optical source with optical fiber carrier An optical source comprises a base on which a light-emitting component is mounted. A fiber-carrier in the form of a slab is fastened to the base. An optical fiber mounted on the fiber-carrier has an end optically coupled to the light-emitting component. A... | 10/20/1987 |
| 4614855 | Resistance weld securement device A weld attachment device and method are disclosed for effecting resistance welding connections through an insulating layer to a metallic substrate without necessarily having access to the rear surface of the substrate. The apparatus comprises a spaced par... | 09/30/1986 |
| 4461943 | Process for forming welded prepainted metal appliance cabinet walls A process for forming metal walls for prepainted metal cabinets and the like, such as by welding a galvanized back panel to a prepainted metal refrigerator-freezer cabinet wrapper painted only on the exterior wall surface thereof, and wherein flange secti... | 07/24/1984 |
| 4427869 | Method for manufacturing panel assemblies for automobiles Method is disclosed for manufacturing a panel assembly comprised of an inner panel and an outer panel which are welded together at the peripheral portions thereof. The method comprises steps of forming a plurality of raised portions having projections in ... | 01/24/1984 |
| 4418264 | Device and method for repairing conductor path breaks by welding To repair conductor path interruptions on printed circuit boards by means of micro-resistance welding, a specifically shaped metallic part is sucked on a central electrode by use of vacuum. The central electrode lowers the part so as to bridge the conduct... | 11/29/1983 |
| 4340803 | Method for interconnecting solar cells A method for interconnecting the body of a solar cell to an adjacent solar cell to form a solar cell array capable of withstanding high temperatures and rugged terrestrial applications, but minimizing the electrical degradation of the peak power output of... | 07/20/1982 |
| 4147914 | Method for making friction bands A method of manufacturing a friction band useful as either a brake band or a transmission band is provided. The band includes an arcuate metallic strip lined with a frictional strip. These strips are adhered together while in a flat, straight condition. T... | 04/03/1979 |
| 3946190 | Method of fabricating a sealing cover for an hermetically sealed container A conductive hermetic sealing cover for a container is fabricated by disposing the cover with a superimposed preformed heat-fusible conductive ring having outer dimensions similar to those of the cover in a shallow cavity of a nonconductive supporting mem... | 03/23/1976 |
