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| Number | Title | Issue Date |
| 7942308 | Composite metal extrusions and a process for producing composite metal extrusions There is provided a method for producing a multi-colored or multi-alloy extruded shape, such as metal tubing for use in forming rings. At least two contrastingly colored metal components or metal components made from different alloys are arranged in a container. The... | 05/17/2011 |
| 7770778 | Hemming working method and panel assembly manufacturing method A hemming working is performed by a positioning step of positioning a first panel formed with a projected portion for welding on a second panel formed with a flange portion; a first bending step of bending the flange portion; and a second bending step of pressing th... | 08/10/2010 |
| 7735714 | Composite metal tube and ring and a process for producing a composite metal tube and ring There is provided multicolored metal rings and multicolored metal tubing and a method for producing metal rings and metal tubing for use in forming multicolored rings. At least two contrastingly colored metal components are arranged in a container. The metal compone... | 06/15/2010 |
| 7287684 | Filter cartridge assembly and method of manufacture An apparatus for filtering well fluids and method of manufacture is disclosed. The apparatus comprises an inner support, a filter spirally wrapped around the inner support, and an outer support wrapped around the filter enclosing the filter between the inner and out... | 10/30/2007 |
| 7225542 | Vehicle body compartment lid method of manufacturing A vehicle body compartment lid includes a unitary, one-piece panel. The panel has both an inner panel portion and an outer panel portion, and is bent or folded such that the inner panel portion and the outer panel portion are in juxtaposition with one another. A met... | 06/05/2007 |
| 7140652 | Door latch striker A latch striker includes a base and an arm having a segment extending over the base in spaced relation thereto. Cylinder segments project toward each other from the base and arm and are axially aligned and secured with respect to each other. ... | 11/28/2006 |
| 7121004 | Method of fabricating security door A security door for a gate or building opening is formed of a metal frame that defines a pair of hollow stile frame members and upper and lower hollow transverse rail frame members. Each of the frame members has an inner face with an attachment flange projecting the... | 10/17/2006 |
| 7111881 | Single-piece latch strikers with mechanically locked components Mechanically locked strikers have a base, a striker bar, and a locking arm which extends from the base to the striker bar. In one embodiment the striker bar and locking arm are formed integrally with the base, with the striker bar extending from the base at one poin... | 09/26/2006 |
| 7004374 | Process of making a shaped product A process of making a shaped product consisting of aluminium or an aluminium alloy comprising the steps of producing an intermediate object by extrusion or rolling and having at least one flat surface, coating the at least one flat surface with a brazing flux retain... | 02/28/2006 |
| 6977355 | Tailored blank The present invention provides a tailored blank having a pair of sheet metal constituent parts each having a pair of oppositely directed major surfaces. The first constituent part has an aperture while the second constituent part has an embossment to fit the apertur... | 12/20/2005 |
| 6976617 | Uninterrupted continuous rolling of bar and rod products Discrete billets are rolled through a plurality of roll stands arranged along a rolling mill pass line to produce successive product lengths having reduced cross sections and front and tail ends. At a selected location along the pass line, the tail end of each produ... | 12/20/2005 |
| 6880220 | Method of manufacturing cold worked, high strength seamless CRA PIPE A process produces a welded seamless PIPE having good yield strength and excellent corrosion and/or erosion resistance. Up to a maximum outside diameter corrosion and/or erosion resistant CRA PIPE is cold worked from a welded hollow, rather than using the traditiona... | 04/19/2005 |
| 6877652 | Metal tubular body and manufacturing method thereof Side hole-bearing tubular bodies made of metal and having an inside diameter of up to 2 mm are manufactured by a method which includes punching from a metal sheet a sheet blank in the developed shape of a tubular body and punching in the sheet blank a hole which cor... | 04/12/2005 |
| 6750420 | Method for welding tubes and device for carrying out said method A tube welding machine (1) is of modular construction, the individual modules (2, 3, 4, 5) being arranged on a common support rail (6). ... | 06/15/2004 |
| 6648209 | Process for producing welded steel pipes with a high degree of strength, ductility and deformability In a process for producing welded steel pipes, a pipe is molded cold from a TM-rolled sheet, welded together and sized to the desired diameter, whereby the sheet includes steel with (in wt. %) 0.02 to 0.20% carbon, 0.05 to 0.50% silicon, 0.50 to 2.50% man... | 11/18/2003 |
| 6639194 | Method for manufacturing a multiple walled tube A method for manufacturing a multiple walled tube comprising a rolling of a plated metal strip through at least two complete revolutions to form a tube having at least a double wall which has a plated layer on the inside of the tube, said rolling being fo... | 10/28/2003 |
| 6613167 | Process to improve 6XXX alloys by reducing altered density sites A process for improving 6XXX alloys, such as 6013, preferably includes heating, hot rolling, inter-rolling thermal treatment at a very high temperature such as 1020° F. or more, again hot rolling (with or without subsequent continuous hot rolling or cold... | 09/02/2003 |
| 6612481 | Wellscreen An apparatus and method of manufacturing a wellscreen for subterranean use in oil, gas, and water wells, incorporating numerous automated processes, whereby layers of mesh are continuously sintered to a perforated strip, formed into a tube, placed over a ... | 09/02/2003 |
| 6536652 | Structure for working unit for bucket excavators and method for manufacturing the same An arm body of a working machine has a hollow and triangular cross-section. A bucket-connection bracket is jointed to one longitudinal end of an arm body, and an arm cylinder bracket is jointed to another longitudinal end of the arm body, thereby forming ... | 03/25/2003 |
| 6518533 | High strength steel tubing High strength steel tube is made from a full hard, cold rolled steel sheet having a chemistry compliant to S.A.E. J 403 grade 1026. The high strength of the tube is a result of specified thermal-mechanical processing of hot rolled sheet followed by contro... | 02/11/2003 |
| 6513699 | Process for the production of metal pipes A process for the production of metal pipes is described in which a thin-walled metal band inclined toward cold spots is gradually formed into a slotted pipe, the longitudinal edges lying flush against one another are welded to one another, and the welded... | 02/04/2003 |
| 6509541 | Method for molding an assembly panel The present invention provides a method for molding an assembly panel by manufacturing a blank for a main panel and a blank for a reinforcing panel; temporarily welding the blank for the reinforcing panel to the blank for the main panel along a predetermi... | 01/21/2003 |
| 6494360 | Method and device for producing straight bead welded pipes from flat sheet metal blanks An apparatus to produce straight bead welded tubes from flat sheet metal blanks with two parallel longitudinal edges includes two form tool halves. The two form tool halves have outer cylindrical half shells borne by a tool support, and are disposed later... | 12/17/2002 |
| 6428905 | Double sheet metal consisting of two covering metal sheets and an intermediate layer The invention relates to a double-layered sheet comprising two cover sheets (1, 2) with a space between them, and a fill material (3) which fills the space between said cover sheets. Said fill material is made of plastic, in particular of porous duroplast... | 08/06/2002 |
| 6405919 | Process for the continuous production of longitudinally seam-welded and corrugated metal tubes In a process for the continuous production of longitudinally seam-welded and corrugated metal tubes (46), a metal band drawn off from a supply reel is formed into an open-seam tube, welded at its longitudinal edges, and the welded smooth tube (45) corruga... | 06/18/2002 |
| 6402009 | Apparatus and method for shaping lead frame for semiconductor device and lead frame for semiconductor device In apparatus and method for shaping a lead frame for a semiconductor device, there are provided a lower die having a concave shape for forming a step portion on the lower surface of the lead frame through a slope shape, an upper die having a convex shape ... | 06/11/2002 |
| 6386424 | Apparatus for making roof flashing units and method of making the units Ultrasonic welding apparatus is used for making roof flashing units. The roof flashing unites typically include a generally flat aluminum plate and a cylindrical aluminum element joined to the generally flat plate. Two ultrasonic welders are used to make ... | 05/14/2002 |
| 6099256 | Three dimensional figure eight propeller/impeller blade apparatus A propeller/impeller blade adapted to propel a vehicle or other device, create a vacuum, or move a medium, comprising a generally flat strip-like member having first and second opposite ends joined together to form a pair of contiguous loops with a genera... | 08/08/2000 |
| 6079612 | Big scale (500cc) golf club head fabrication method A big scale (500 cc) golf club head fabrication method includes the step of preparing molds for making a top cover panel, a bottom cover panel and a face panel, the step of preparing metal alloy plate materials and then cutting the metal alloy plate mater... | 06/27/2000 |
| 6063507 | Double-layered sheet metal; process for its production and use of such double-layered sheet metal The invention relates to a double-layered sheet metal with a first layer (5) of sheet metal comprising indented knobs (4I -4IV ; 4V -4VII ; 4VIII -4XIII), with several of these knobs forming ... | 05/16/2000 |
| 5979742 | Friction agitation joining method for joining metallic joining members In a friction agitation joining method for joining metallic joining members, a joining device having a column-shaped rotor of a larger diameter and a pin-shaped probe of a smaller diameter integrally formed on an end of the rotor and protruded along an ax... | 11/09/1999 |
| 5957369 | Method for connecting two workpieces together In a method for connecting two workpieces together by welding, the workpieces are placed on clamping tables by a feed unit (F) and are joined together by a welded seam. First, the workpieces are positioned in the feed unit (F). The feed unit (F) is then t... | 09/28/1999 |
| 5890875 | Blade apparatus A three dimensional figure eight propeller/impeller blade apparatus is provided which may be used to propel a vehicle, power a shaft, create a vacuum, or move a medium. The blade apparatus is made from an elongated strip of generally flat material. In one... | 04/06/1999 |
| 5786295 | Method for producing metallic catalyst carrier This invention relates to a method for producing a metallic catalyst carrier used for a catalytic convertor for an automobile, for example, and calcines a metallic catalyst carrier element obtained by alternately winding or laminating metallic plates in v... | 07/28/1998 |
| 5687900 | Structural panel having a predetermined shape and an associated method for superplastically forming and diffusion bonding the structural panel A method of fabricating a structural panel having a predetermined shape features forming an inflatable envelope assembly from at least a pair of superplastically formed and diffusion bonded metallic core sheets. The inflatable envelope assembly can be dis... | 11/18/1997 |
| 5662264 | Method for welding aluminum plates A method for manufacturing a large basically spherical vessel from plane aluminum plates having a thickness in the range from about 20 mm to about 70 mm, comprises (a) forming at least first and second plane plate assemblies by downhand welding together p... | 09/02/1997 |
| 5650087 | Metal mould for making a frozen confectionary product and a method for making the mould A metal mould for making a frozen confectionery product is made of a titanium-containing materials, the mould being produced by cold-working a sheet-formed blank, either by deep-drawing or by pressing two half shells which are subsequently welded together... | 07/22/1997 |
| 5628447 | Method of manufacturing internally grooved tubes for heat exchangers In a method for producing internally grooved tubes for heat exchangers, a smooth metal tape is drawn from a circular supply, a rolling mill provides it with a number of grooves that are parallel to each other and run at an angle of 15° to 45° with respe... | 05/13/1997 |
| 5609289 | Method of making square jewelry beads An article of gold jewelry of hollow construction is lightweight and constructed and arranged for being secured to and slidably movable with respect to a chain or the like. The article has two interfitting pieces of identical construction which are assemb... | 03/11/1997 |
| 5547123 | Method of securing an apparatus part The invention relates to a method of securing an apparatus part in a hole (5) in a metal base plate (1), adjoining peripheral areas (5a, 7a) of the hole (5) and of the part (7) being fused to one another by melting adjoining material portions of the base ... | 08/20/1996 |
