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| Number | Title | Issue Date |
| 7829819 | Attaching a component to an internal surface of a tank formed of polymer A method for securing a component to a tank includes forming the tank having a wall of multiple layers of polymer material with an opening in the wall, outer layers of polymer, and an inner layer of polymer having an inner surface whose color is dark relative to a n... | 11/09/2010 |
| 7009139 | Method and apparatus for composite YAG laser/arc welding A combined YAG laser/arc welding apparatus performs a welding operation with a large depth of fusion and a deep fusion at a high efficiency. The welding apparatus includes an arc electrode which targets a point on a member being welded where a laser beam from a YAG ... | 03/07/2006 |
| 6932879 | Method of weldbonding An improved method of weldbonding utilizing inclusion bodies, placed directly between materials to be bonded or included in a weldbonding adhesive. The inclusion bodies maintain a gap between the materials to be welded which provides a gas releasing egress route to ... | 08/23/2005 |
| 6776324 | Wire bonding apparatus A wire bonding apparatus including a capillary, which allows a tip end of a bonding wire to protrude from the bottom, and a discharge electrode, which generates a spark between the electrode and the tip end of the wire by an electrical discharge; and auxiliary elect... | 08/17/2004 |
| 6596969 | Method for guiding arc by laser, and arc guiding welding and device by the method In an arc welding method and apparatus, a plasma (13) is generated at a welding intended position on a base material (2) by a laser (16) irradiated to the base material (2). When a discharge electrode (12) is at a minus potential, an arc discharge (4) tak... | 07/22/2003 |
| 6336750 | Structured arc technique using a focusing sleeve The present invention introduces an arc shaping member to be used in fiber optic fusion splicers. The use of the an arc shaping member may minimize the undesirable effects of grunge and/or deposits than can buildup on arc electrodes. The buildup of grunge... | 01/08/2002 |
| 5958259 | Method for forming a ball in wire bonding In a fixed type discharge electrode system employed for forming a ball on a bonding wire so that a discharge electrode is provided near the tip end of a bonding wire, a gas, such as air, is blown to the spark discharged between the discharge electrode and... | 09/28/1999 |
| 4509238 | Method for fabricating a steam turbine diaphragm Blades in the steam path of a steam turbine diaphragm are assembled into slots in full circular bands and are structurally bonded thereto by welding. After stress relief, the bands are each separated into two 180 degree pieces by line cuts which pass betw... | 04/09/1985 |
| 4421971 | Arc welding process An arc welding process for welding a circumferential surface of a fixed pipe etc. by shielding a work part with a shield gas is provided. It is welded by a flat arc formed in a flat sectional view by simultaneously ejecting a gas from nozzles (19) to the ... | 12/20/1983 |
| 4278868 | Methods and apparatus for heating metal parts with magnetically driven travelling electric arc Methods and apparatus for the welding and heat treating of metal parts in which an electric arc extends between a pair of adjacent metal parts or between an electrode and one or more metal parts with the arc traversing the metal part or parts a plurality ... | 07/14/1981 |
| 4254322 | Narrow weld-groove welding process and apparatus therefor A narrow weld-groove welding process, in which a bare welding wire is fed into a weld groove defined between the opposed surfaces of two pieces of metals for producing a metal arc therein for welding. In this process, a welding wire is subjected to a plas... | 03/03/1981 |
| 4246463 | Method and apparatus for arc welding of metal plates from one side only An apparatus for arc welding of a pair of spaced steel plates from one side only using a grooved back-up plate which gives a good weld bead shape on the under side, gives high linear welding speeds, and avoids contamination of the deposited weld metal by ... | 01/20/1981 |
| 4219722 | Methods and apparatus for heating metal parts with magnetically driven travelling electric arc Methods and apparatus for the welding and heat treating of metal parts in which an electric arc extends between a pair of adjacent metal parts or between an electrode and one or more metal parts with the arc traversing the metal part or parts a plurality ... | 08/26/1980 |
| 4145594 | Method for longitudinally seam-welding pipe-bland for welded steel pipe from inside along groove In longitudinally seam-welding a pipe-blank for welded steel pipe from the inside along a groove by the metal arc welding process which comprises using direct electric current supplied to a plurality of consumable electrodes in tandem through at least one... | 03/20/1979 |
| 4090057 | Method for controlling the shape of a molten pool in gas shield arc welding A method is disclosed in which gas shield arc welding is carried out while applying a gas at a higher pressure than the shield gas to the rear part of the surface of molten metal during welding. By this method, welding proceeds while the molten pool is be... | 05/16/1978 |
| 4005305 | Shielding apparatus A self-propelled arc welding device, which uses an inert gas within a primary zone to protect superheated metal from contact with atmospheric elements, is shielded with an outer compartment to protect against external air currents in the form of a portabl... | 01/25/1977 |
| 3950629 | Electrical arc-welding torches This invention relates to welding torches of the kind comprising a torch body which incorporates a tubular core having means of clamping a refractory electrode which projects beyond the torch body, flow-means for an arc-gas, which flow-means consists of a... | 04/13/1976 |
