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| Number | Title | Issue Date |
| 7378622 | System and method for electromagnetic pulse surface treatment A system and method for electromagnetic surface treatment of a work piece has an electromagnetic pulse generator and an electromagnetic pulse tool. The work piece has a working surface. A current pulse generated by the electromagnetic pulse generator travels through... | 05/27/2008 |
| 7275521 | Joint structure of diverging branch pipe in fuel rail for internal combustion engine, diverging branch pipe and manufacture method of its diverging branch pipe A joint structure connects a diverging branch pipe to a fuel rail for an internal combustion engine. The fuel rail is stainless steel or steel with rust prevention processing on at least the inner face. The diverging branch pipe is a double pipe with inner and outer... | 10/02/2007 |
| 7225868 | Steel pipe for embedding-expanding, and method of embedding-expanding oil well steel pipe (1) A steel pipe that is expanded radially in a state wherein it was inserted in a well such as an oil well, characterized in that the non-uniform wall thickness ratio E0 (%) before expanding satisfies the following expression {circle around (1)}. E... | 06/05/2007 |
| 7208052 | Method for carburizing steel components A carburizing process for increasing the hardness of a case region of a steel component. In one form the application includes plating the outer surface of a stainless steel component with nickel prior to carburizing. One component includes a stainless steel object h... | 04/24/2007 |
| 7204234 | High-pressure fuel injection pipe A high-pressure fuel injection pipe, which has an outside diameter (φ) of 6.35 mm, an inside diameter (φ) of 4.35 to 2.95 mm, and a wall thickness (t)of about 1.0 to 1.7 mm, can serve as a high-pressure fuel injection pipe for in-cylinder injection type gasoline e... | 04/17/2007 |
| 7194804 | Method of forming a hydroform A reinforced hydroform member having an outer structural member reinforced by a structural foam supported by the outer structural member. The structural foam extends along at least a portion of the length of the outer structural member. The structural foam is a heat... | 03/27/2007 |
| 7169480 | Clad pipe A clad pipe includes an external layer and a coating layer made of Ni base anticorrosion alloy. Both end portion areas of the coating layer are formed by a build-up welded layer (Ni base alloy of composition 1) on the inner surface of the external layer. Othe... | 01/30/2007 |
| 7168605 | Microtubes for therapeutic delivery A medical implant that delivers therapeutic via microtubes and a method of making the same is provided. In one embodiment a biologically implantable structure adapted to fit within the body of a patient is provided. This structure may have a plurality of individual ... | 01/30/2007 |
| 7025245 | Magnetic welder A magnetic welding and joining device is provided. The device has a separable induction coil that can be selectively coupled to provide an induction coil to be positioned around workpieces that are to be magnetically welded or joined. ... | 04/11/2006 |
| 6955288 | Metallurgically bonded layered article having a curved surface A layered article having a curved surface made of a supporting metal metallurgically bonded to a supported metal. ... | 10/18/2005 |
| 6955286 | Use of silver-copper-palladium brazing alloys A compound arrangement comprising a first component of metal being brazed to a second component of metal. The first component has an external cylindrical surface touching an cylindrical internal surface of the second component. The second component clasps the first ... | 10/18/2005 |
| 6948648 | Misting manifold apparatus and method of manufacture A method and apparatus for a constructing misting manifold is disclosed that uses a standardized intermediate member joined to tubing. The method allows mass production, particularly with use of orbital welding, easy alignment of the component part and high quality ... | 09/27/2005 |
| 6928712 | Driveshaft and method and device for producing same A method and apparatus for assembling a driveshaft, and the driveshaft itself. The driveshaft (1) includes a first attachable part (2) with a first longitudinal axis (A1), a second attachable part (3) with a second longitudinal axis (... | 08/16/2005 |
| 6922882 | Method of joining tubular members A method of joining tubular members together includes the steps of providing an internal tubular member, providing an external tubular member, and heating the external tubular member and/or cooling the internal tubular member. The method also includes the steps of j... | 08/02/2005 |
| 6904667 | Apparatus for and a method for fabricating a coriolis flowmeter formed primarily of plastic An injection molding process for fabricating a Coriolis flowmeter. The process includes the steps forming a material flow path core using a core mold, placing the formed material flow path core into a wrapper mold having a cavity whose surfaces define the exterior s... | 06/14/2005 |
| 6698644 | Use of silver-copper-palladium brazing alloys A single-tube Coriolis mass flow sensor includes a stainless steel sleeve having an unplated interior surface and a titanium member having a cylindrical end inserted into the stainless steel sleeve. The exterior surface of the titanium cylindrical end for... | 03/02/2004 |
| 6474534 | Hydroforming a tubular structure of varying diameter from a tubular blank made using electromagnetic pulse welding A method of hydroforming a tubular structure of varying diameter along its longitudinal axis, comprising the formation of a tubular blank member by welding together, at their periphery, tubes of different diameters using electromagnetic pulse welding.... | 11/05/2002 |
| 6446856 | Method of welding composite member A method of welding a hollow member and an insert member to form a composite member including a hollow member and insertion member requiring a high dimensional accuracy in the end-to-end distance in the axial direction and requiring a reliable concentrici... | 09/10/2002 |
| 6374478 | Method for manufacturing a Coriolis flow meter assembly A system for manufacturing a straight tube Coriolis Flowmeter. The system of this invention provides a process for connecting a flow tube assembly including a balance bar and a flow tube to at least two points inside a casing. The process provides an inex... | 04/23/2002 |
| 6364780 | Driveshaft The invention relates to a driveshaft and to a method of producing the driveshaft having three components a first attaching element 1 and a second attaching element 13 and a tube element 8 arranged therebetween. The tube element 8 is provided with a first... | 04/02/2002 |
| 6352196 | Use of silver-copper-palladium brazing alloys Surprisingly, silver-copper-palladium brazing alloys, which have hitherto been used only for the brazing of components of the same material, are also very well suited for brazing directly titanium to stainless steel if, the latter component clasps the tit... | 03/05/2002 |
| 6329079 | Lined alloy tubing and process for manufacturing the same A tube for a cracker unit in which ethylene is produced withstands, without oxidizing or losing its strength, the elevated temperatures required to effect cracking, yet retards coking. The tube has a shell formed from stainless steel or high nickel alloy ... | 12/11/2001 |
| 6325278 | Concentric, insulated tubular conduits and method of assembly Concentric, tubular sections are assembled by first securing annular centralizers and insulation about the external surface of the smaller diameter tube while the tube is horizontally disposed. The larger tube is then vertically aligned and lowered into a... | 12/04/2001 |
| 6168069 | Method of brazing titanium to stainless steel Surprisingly, silver-copper-palladium brazing alloys, which have hitherto been used only for the brazing of components of the same material, are also very well suited for brazing directly titanium to stainless steel if, the latter component clasps the tit... | 01/02/2001 |
| 6065664 | Method of installing heat pipes using internal vapor pressure The disclosure is for a method of installing a heat pipe within another structure. A completely processed heat pipe is coated with solder and inserted into a cylindrical hole within the structure with sliding clearance. The casing of the heat pipe is then... | 05/23/2000 |
| 6010061 | Reflow soldering method With the present invention, a reflow soldering method is provided for soldering a nonvertically approaching lead, which is part of a nonvertically approaching device (e.g, an edge connector), to a corresponding soldering surface (e.g., a pad on a circuit ... | 01/04/2000 |
| 5940951 | Process for the manufacture of cladded metal pipes A process for the manufacture of cladded metal pipes facilitates joining of a tube blank and a coaxially disposed pipe section received therein, for subsequent extrusion of a resultant tube blank-pipe combination to form an internally-clad pipe of desired... | 08/24/1999 |
| 5588582 | Method for manufacturing a cooling drum for a continuous casting system A cooling drum can continuously cast a favorable band-shaped cast piece having little thermal deformation. The cooling drum comprises a three-layer structure including a rigid member, a cooling member metallurgically bonded to the outside of the rigid mem... | 12/31/1996 |
| 5547120 | Method of making a gastight connection between a conductor and an insulation in form of a tube A method of making a gastight connection between a conductor and an insulation in form of a tube made of a temperature-resistant material, includes the steps of inserting a conductor-forming wire of metal in the tube and heating the wire within the tube t... | 08/20/1996 |
| 5505795 | Method of manufacturing golf club A method of manufacturing golf club is to design the contour of a club head and a club shaft. Sheet metal forming for divided golf club head are formed by stretching the Titanium Alloy plate within the forming dies, then processed with stress relief. Asse... | 04/09/1996 |
| 5485948 | Shaft and method of making same A shaft for such items as sporting goods, including golf clubs fishing rods bicycle frames, and ski poles is constructed of metallic tubular structures. The hollow tubular shaft is brazed to a helical coil of reinforcing wire which fits snugly against the... | 01/23/1996 |
| 5476209 | Process of preparing composite wire Disclosed is a process of preparing a composite wire which comprises sealing one end of a pipe to be employed as a jacket, inserting a bar to be employed as a core into the pipe and conducting a hot processing of the pipe while vacuum-sucking the pipe fro... | 12/19/1995 |
| 5407503 | Process for producing silicon carbide nozzle A tube is formed from a polycrystalline silicon carbide having a density of from 3.18 to 3.21 g/cm3, a maximum impurity content of 20 ppm, and imperviousness to fluids by a process which comprises precipitating the silicon carbide on the surfac... | 04/18/1995 |
| 5305943 | Splined assembly A splined assembly 10 is disclosed and includes a generally annular outer spline member 12 into which a second generally annular inner spline member 14 is rotatably placed. Member 12 includes a plurality of splines 22, 24, each having a snap ring receptio... | 04/26/1994 |
| 5265793 | Small thick-walled composite metal tubing and process of producing the same A small thick-walled composite metal fuel injection tubing for a diesel engine, for example, is manufactured from an outer carbon steel pipe, and an inner stainless steel pipe press-fitted in the large diameter carbon steel pipe by drawing. The press-fitt... | 11/30/1993 |
| 5261591 | Method of explosively bonding composite metal structures This invention relates to a method of manufacturing bi-metallic tubing by the successive steps of explosive bonding, hot extrusion and co-extrusion. Bi-metallic tubing, having an inner wall made from a corrosion resistant material, is of particular use in... | 11/16/1993 |
| 5249730 | Process for the manufacture of zirconium based tubes formed from layers of varying composition The present invention relates to a process for the manufacture of zirconium based tubes formed from layers of varying composition. The process consists in preparing the tubular blank which is intended to form the outer layer of the tube by rolling-solderi... | 10/05/1993 |
| 5129572 | Process for the manufacture of a metallic composite wire A rod made of a hard material is inserted into a pipe made of a relatively soft material, and a two-element arrangement having an intermediate size is obtained by hot-rolling and drawing. In these steps, the cross section is reduced by at least 50%. Subse... | 07/14/1992 |
| 5093209 | Compound steel workpiece A compound steel workpiece and a process for its production, wherein a support jacket is provided with at least one recess, which in turn is furnished with a lining resistant to attrition and corrosion, which lining is connected to the support jacket by a... | 03/03/1992 |
| 5088397 | Cast formed bi-metallic worm assembly A cast-formed bi-metallic worm assembly of a mechanical screw press for expressing liquids from fibrous materials and a method of manufacture therefor. The worm assembly is rotatably driven by the press drive shaft and includes an outer flight body having... | 02/18/1992 |
