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| Number | Title | Issue Date |
| 7087854 | Spot welding apparatus A spot welding apparatus for spot welding superposed workpieces by putting the superposed workpieces 3, 4 between a pair of electrodes 1, 2 and applying a welding current between the electrodes under application of pressure, the apparatus having heatin... | 08/08/2006 |
| 6294751 | Method of electrically welding a part such as a screw or a bolt onto a bore in a composite metal sheet A method of electrically welding a part such as a bolt around a bore of a composite sheet comprising an intermediate layer of a substantially insulating material disposed between two metal layers. Said sheet is pre-heated in the vicinity of said bore in o... | 09/25/2001 |
| 4396819 | Method of forming a conductive connection A method of forming a conductive connection between predominantly miniature members by pressing the members together and heating by means of electrodes through which three successive pulses of electric current are passed. First and second pulses act to br... | 08/02/1983 |
| 4015098 | Apparatus for making intercell connectors by an extrusion-fusion technique Improved extrusion-fusion-type intercell connectors and process involving: casting the plate strap lugs to be welded from a hypoeutectic lead-antimony alloy containing at least about 2 percent by weight antimony; initially extruding the lugs into contact ... | 03/29/1977 |
