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| Number | Title | Issue Date |
| 7171988 | Tubing for hydrostatic forming, hydrostatic forming apparatus, and hydrostatic forming method using the apparatus A tubing including an overlap portion formed by the first and second circumferential end portions overlapping and joined with each other, and a fluid leakage preventing member for preventing pressurized fluid from leaking from the tubing upon the tubing being subjec... | 02/06/2007 |
| 6966188 | Plate-like body connecting method, connected body, tail pipe for gas turbine combustor, and gas turbine combustor The present invention provides a plate-like body connecting method in which functions such that cooling capability is not reduced. There is provided a plate-like body connecting method for connecting at least two plate-like bodies each having passages that extend al... | 11/22/2005 |
| 6889889 | Fusion-welding of defective components to preclude expulsion of contaminants through the weld A component which has a surface crevice or crack and contaminants on at least one face of the opening is welded. The weld is effected by first plastically deforming the surface of the component to close the surface opening to a predetermined depth less than the dept... | 05/10/2005 |
| 6688513 | Process for producing longitudinally welded tubes In a process for producing longitudinally welded tubes, a metal strip, which is continuously pulled from a supply, is gradually formed into a slit tube and the longitudinal slit of said slit tube is welded. The metal strip (2) is pulled through a pluralit... | 02/10/2004 |
| 6604669 | Manifold for heat exchanger and process therefor Manifold for a heat exchanger intended to be joined by brazing or soldering to heat transfer tubes. A portion of a surface of the manifold that will be joined to the tubes is proved with at least one recess in which a brazing material is mechanically lock... | 08/12/2003 |
| 6378757 | Method for edge mounting flex media to a rigid PC board Edge mounting flexible media to a rigid PC board construction can be achieved by various methods. In any method used, there is a desire to create solderable pads on the edge of the rigid PC board. In accordance with the invention, the solderable pads are ... | 04/30/2002 |
| 5297624 | Header for a flat tube liquefier A header for a flat tube liquefier is composed of first and second components. The first component is provided in a tube bottom with receiving slots for the flat tubes and the second component complements the header structure, with the two components foll... | 03/29/1994 |
| 5273204 | Method for joining materials by metal spraying A method of joining metal materials by spraying molten metal into a cavity between the articles to be joined. Prior to deposition of the metal, the surface of the cavity is cleaned and the articles to be joined are preheated. Subsequent to deposition of t... | 12/28/1993 |
| 5169054 | Method of manufacturing composite structures A composite structure is manufactured by joining a first material, preferably made of a magnetically permeable material and having a first joining surface in which a recess having an overhang surface is formed, to a second material preferably made of an e... | 12/08/1992 |
| 5085363 | Method of weld repairing of a section of a metallic cylindrical member A method of repairing a section of a metallic cylindrical member, such as a turbine shaft, having surface defects and a keyway thereon, by machining the surface to a depth less than the depth of the keyway and inserting a half key in the keyway, and machi... | 02/04/1992 |
| 5060842 | Method for refurbishing nozzle block vanes of a steam turbine Nozzle block vanes having damaged trailing edge sections are repaired by removing the damaged section and replacing it by a new forged replacement trailing end section. The replacement section is coated with an erosion resistant coating leaving an uncoate... | 10/29/1991 |
| 4760755 | Drive axle housing blank A new blank is provided for use in the manufacture of a modified fast fade rear axle housing of rectangular cross-section having a shortened neck shape which is bent by hot forming preferably at temperatures of 1350° F.-1650° F. to maximize the torsiona... | 08/02/1988 |
| 4741471 | Method for manufacturing a rotary rock bit A method and device are shown for manufacturing rotary rock bits. The method eliminates repositioning errors in robotic welding operations by combining a cutting torch and a welding torch on a single, rotatable bracket whereby a bit can be welded at a sin... | 05/03/1988 |
| 4625904 | Structure of disc wheel A welding structure for a disc wheel installed on a vehicle. The disc wheel comprises a rim and a disc, the disc having an outer peripheral portion fixed to an inner surface of the rim by welding. The edge surface of the outer peripheral portion of the di... | 12/02/1986 |
| 4572583 | Cutting head for drift advancing machines and process for producing same For the supply of water to nozzles on the circumference of a cutting head there are, within a cutting head (1) composed of individual discs (2), provided bores (14 respectively 16) extending in direction to the axis of rotation of the cutting head (1). Th... | 02/25/1986 |
| 4437914 | Method of producing sheathed cables and/or transducers and a device for carrying out this method A method of producing sheathed cables and/or transducers such as wire strain gauges, temperature probes and so on. Such cables comprise an outer tubular casing and one or more electrically conductive leads embedded in insulating material. Production begin... | 03/20/1984 |
| 4428173 | Load carrying structure and method of manufacture therefor A load carrying structure (10) is, for example, the stick (12) of an excavator or another work element having at least three load input locations (70,72,74). In operating the excavator, for example, failure of the stick can occur owing to side, torsional,... | 01/31/1984 |
| 4385720 | T-Shape joint and preparation thereof A T-shape joint includes a slant gap formed between joint faces of a vertical base metal and a horizontal base metal and the slant gap is filled perfectly with a brazing alloy without remaining any defect. The slant gap can be saw tooth shape gaps. The slant g... | 05/31/1983 |
| 4256254 | Method of manufacturing a welded joint in segmented sheath for compressed gas insulated transmission lines A weld-joint in a segmented sheath of a large diameter, high voltage, compressed gas insulated transmission line includes longitudinal, radially aligned outer margins forming a longitudinal seam of joined sheath sections, an internally disposed recess off... | 03/17/1981 |
| 4255641 | Method of outside welding of pipelines The specification discloses a method and apparatus for assuring the integrity of outside weldings of pipelines. Pipe sections are prepared for welding by forming a beveled profile with a relatively narrow annular contact band on the ends of each pipe sect... | 03/10/1981 |
| 4216895 | Method of forming hollow boom A hollow rectangular boom formed with four corner sections of identical cross section and plates interconnecting the corner sections is disclosed herein. Each of the corner sections is identical and is generally L-shaped in cross section with first and se... | 08/12/1980 |
| 4097716 | Welding method A welding method for forming a fillet welded joint including the steps of placing an abutting edge of a first metal member onto a surface of a second metal member at generally right angles thereto, the abutting edge having a series of alternating lands an... | 06/27/1978 |
| 3987953 | Weldment for bulldozer blades and method and apparatus therefor A bulldozer blade comprises a push plate having a cutting edge mounted on a lower end thereof and a plurality of structural members secured on the back of the push plate and welded together to increase the structural integrity thereof. Each adjacent pair ... | 10/26/1976 |
| 3964287 | Apparatus for forming a groove and back-up dam for welds An apparatus for forming an elongated groove and contiguous dam on a member, such as the push plate of a bulldozer blade, comprises a pair of support and guide assemblies defining a space therebetween. The member is fed through the space and a forming rol... | 06/22/1976 |
| 3934324 | Method and apparatus for forming automotive wheel rim blanks A system for forming wheel rim blanks in which a coiling station, an end conditioning press, a welding station, and a weld seam finishing station are all arranged to form a continuous path in the direction of the axis of the rim blank so that blanks can b... | 01/27/1976 |