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| Number | Title | Issue Date |
| 7385156 | Press-fit joint structure A forced-insertion welded structure is provided which is formed by welding members making up a metal component and which is easy to manufacture and has low cost, a good finish precision and a high bonding strength. The forced-insertion welded structure compri... | 06/10/2008 |
| 7364394 | Break away fastening system A fastening system is providing, the fastening system has a weld stud having an annular weldment portion and a fracturable nut. The fracturable nut and stud construction is configured to fail under torsional load prior to the structural parts failure. ... | 04/29/2008 |
| 7355142 | Resistance welding electrode, welded copper flex lead, and method for making same A method and an electrode for welding a stranded metal workpiece to a substrate workpiece using electrical-resistance welding is provided and a weldment article of manufacture made thereby. More particularly, the method and electrode are best suited for welding a st... | 04/08/2008 |
| 7337932 | Hanger beam construction An I-beam having a web curved in two dimensions is used to provide an enhanced stiffness to weight ratio for molded plastic hangers. The I-beam includes first and second generally parallel flanges which extend in a longitudinal direction. The flanges are joined by a... | 03/04/2008 |
| 7300536 | Method for attaching intersecting tubes A method is provided for attaching together a larger tube and a smaller tube in a T-shaped intersecting joint. A hole is formed in the larger tube with a flange surrounding the hole. A circumferential extending flange is formed on the outside of the smaller tube. Ad... | 11/27/2007 |
| 7273026 | Roller follower body The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner surface configured to house a cylindrical insert the second cavity i... | 09/25/2007 |
| 7270892 | Friction bearing The invention describes a friction bearing with a steel support shell and a lead-free bearing metal layer on the basis of copper with the main alloy elements of tin and zinc, which layer is applied to the support shell. In order to combine advantageous sliding prope... | 09/18/2007 |
| 7253372 | Method for welding heat exchanger tube to tubesheet One method for welding includes obtaining a heat-exchanger tube having an outward fold. The tube is inserted at least partially through the orifice of a tubesheet with the fold contacting one of the outward and inward facing sides of the tubesheet. A first electrode... | 08/07/2007 |
| 7111770 | Method for producing connecting ends on metal tubes and tube piece comprising such connecting ends Connecting ends on a hose piece comprising several metal layers, in particular a strip wound metal hose piece, are produced by fixing the overlapping metal layers of a hose of larger length or of an endless hose in the region of the point of separation through weldi... | 09/26/2006 |
| 7019251 | Method for producing lamella packets for adjustable steering columns The invention relates to a method for producing lamella packets (e.g. 70) such as those used for adjustable steering columns in automobiles. According to the invention, at least one of the lamellae (e.g. 71) is provided with a collar (71.1) and ... | 03/28/2006 |
| 6976343 | Compressive flange sinusoidal structural member A sinusoidal structural member having a dual component flange is provided. In the preferred embodiment, the flange (both upper and lower) is comprised of at least two components. These two components can be produced by dividing the flange lengthwise; where the divis... | 12/20/2005 |
| 6915676 | Method of forming a protruded shaft for an electronic memory device In a method of forming a protruded shaft on a metal base for an electronic memory device, the metal base is pressed down with a pressing tool from upper face side of the metal base placed on a die. The die is provided with a hole having a predetermined inner diamete... | 07/12/2005 |
| 6552294 | Method for metallurgically attaching together two members A first method for metallurgically attaching together two members. A first member is obtained having a through hole and having a longitudinally-projecting flange surrounding the through hole. A second member is obtained having a transversely-projecting an... | 04/22/2003 |
| 6407357 | Method of resistance projection welding sensors A method for resistance projecting welding the components of a current sensor is disclosed. The method comprises the steps of providing a first blade having a projection extending outward and a first conductor, supporting the first blade and the first con... | 06/18/2002 |
| 6396023 | Airtight sealing method and airtight sealing apparatus for semiconductor laser element The present invention provides a method for hermetically sealing a semiconductor laser element, by which the cleanness of a package can be maintained extremely satisfactorily in a stabilized state, in order to prevent organic substances from being adhered... | 05/28/2002 |
| 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 |
| 6175097 | Ceramic-coated metal guide pin A guide pin comprising a metal core and a generally smooth, non-porous insulative ceramic layer disposed on the metal core. An intermediate layer comprising titanium-carbonitride (TiCN) may be disposed on the metal core, thereby improving bonding of the c... | 01/16/2001 |
| 5896960 | Welded rod fitting damper manufacture A method of manufacturing a suspension damper with a welded rod fitting includes attaching a piston rod to a piston assembly. The piston assembly with the attached piston rod is inserted into a tube so that the piston rod extends from the tube. Hydraulic ... | 04/27/1999 |
| 5819384 | Heat exchanger tubing production plant A plant for producing metal heat exchanger tubes with spiral heat exchanger ribs secured to the exterior surface from smooth tubes and strip-form flat material for the ribs. In order to allow ribbed tubes to be economically produced at any desired locatio... | 10/13/1998 |
| 5401933 | Method for welding of end plug of control rod A method is disclosed for welding an end plug to an open end of a surface-coated tube in order to provide a control rod. First, the end plug is brought into pressed abutment with the open end of the surface-coated tube. Then, resistance welding is perform... | 03/28/1995 |
| 5276304 | Device for guiding and for transfer of at least two sheet metal blanks to be welded The present invention has as its subject a device for guiding and for transfer of at least two sheet metal blanks to be welded edge to edge. The device comprises, on the one hand, for each sheet metal blank, means (14a, 15a) for supporting the sheet metal blan... | 01/04/1994 |
| 5228195 | Apparatus and method for a stator assembly of a rotary machine A rotary machine which includes a stator assembly 36 having a seal assembly 38 is disclosed. Various structural, details are developed which improve the structural integrity of the seal assembly during fabrication. In one detailed embodiment, the seal ass... | 07/20/1993 |
| 5147483 | Implantable infusion device and method of manufacture thereof An improved infusion device is of the type which can be implanted for drug delivery within a patient's body, and supplied with infusate without the need for surgical removal. The infusion device has a housing forming a chamber and an entry port into the c... | 09/15/1992 |
| 4991765 | Push rod manufacturing method A push rod is manufactured by projection-welding a bottom surface of an end element to a tapered annular end surface of a pipe. To prevent some inclination from arising between the bottom surface of the end element and the annular end surface of the pipe ... | 02/12/1991 |
| 4924056 | Dent puller and method of use Apparatus and a method of using it to straighten a dent in a sheet metal workpiece are provided. The apparatus includes a stud welding gun to releasably grip a stud and weld it to the dent, as well as integral hammer means to apply force to the welded stu... | 05/08/1990 |
| 4835358 | Method and apparatus for soldering a platelike body A process and apparatus for soldering a platelike body inside hollow elements involves placing the platelike body and a hollow element on respective supports. The platelike body is drawn out or move to become positioned for electrical connecting to a firs... | 05/30/1989 |
| 4676427 | Master cylinder flange attachment A method of making an assembly including a metal tube and a surrounding flange member comprises providing an abutment shoulder at the open end of the tube, passing a spacer sleeve along the tube into engagement with the shoulder, placing the flange member... | 06/30/1987 |
| 4544823 | Arc percussion welding a plated pin to a thin tab of dissimilar metal To obtain acceptable arc percussion welding of tin plated copper pins to thin brass strip members, the tin must be prevented from becoming trapped in the weld zone and gaseous and other forms of material also being trapped. By giving the end of a pin a sm... | 10/01/1985 |
| 4506135 | Method and apparatus for manufacturing heat exchanger tubes For the manufacture of heat exchanger tubes having a metal strip (tangential surface) welded to the surface of the tube, the metal strip is fastened to the surface of the tube by through-welding with welding current of alternating value.... | 03/19/1985 |
| 4421969 | Method for fabricating open web steel joists In the method of welding open web steel joists a chord member is formed by bending a web in an undulating configuration. The chord is welded to the webs by simultaneously clamping and resistance welding to form four welds. The weld current is applied by a... | 12/20/1983 |
| 4409459 | Automatic welding apparatus An automatic welding apparatus comprises a positioning mechanism successively supplied with a first workpiece, for positioning the first workpiece so that a joint part of the first workpiece faces towards a predetermined direction, a holding and moving me... | 10/11/1983 |
| 4400608 | Welding electrode pair and method of welding A welding electrode pair of the present invention has substantially columnar first and second welding electrodes coaxially disposed so that their respective tip end faces face each other. Formed on the tip end face of the first welding electrode is a firs... | 08/23/1983 |
| 4387288 | Method for welding automatic brake shoes A method and apparatus is provided for welding an edge surface of a curved metal brake shoe to a substantially flat metal brake shoe table surface. The apparatus has a positioning mechanism which positions the brake shoe table in longitudinal alignment wi... | 06/07/1983 |
| 4383163 | Method of manufacturing a heat exchange tube with internal surface enlarging elements The invention relates to a tube with surface-enlarging elements attached to the inside thereof, which elements are in the form of radially inwardly directed pins welded on the tube wall. A method for forming such a tube also is provided, the method compri... | 05/10/1983 |
| 4366361 | Method of producing an electrical component A method of producing a brush for a dynamo electric machine comprises the step of passing a heating current through a powder compact of the brush material and a conductive member in electrical contact with said powder compact so as to sinter the compact a... | 12/28/1982 |
| 4362921 | Welding of fins to tubing A method of manufacturing a solar panel element comprising a metal sheet or sheets secured to fluid-tight tubing substantially continuously along its length by metal which has been heated and cooled, e.g. weld metal, in which the tubing and the metal shee... | 12/07/1982 |
| 4342373 | Muffler with three part welded joint An automotive type internal combustion engine exhaust muffler has a welded butt joint consisting of the ends of a pipe bushing, a lockseam louver tube, and a partition neck into which the tube is pressed, the welded joint preferably being of a structure p... | 08/03/1982 |
| 4339654 | Methods for the manufacture of heat exchanger panels Method and apparatus for manufacturing heat exchanger elements in which metal tubing and metal strip are advanced toward each other to a weld station where they are welded together and the tubing-strip combination are then advanced through a first tube st... | 07/13/1982 |
| 4333218 | Method of repairing a box beam A method of repairing a box beam is disclosed in which a cracked or broken portion of a box beam may be repaired and the strength returned to normal by forming a pair of plates that fit snugly about at least one half of the box beam, the plates being weld... | 06/08/1982 |
| 4332998 | Apparatus for welding automotive brake shoes A method and apparatus is provided for welding an edge surface of a curved metal brake shoe to a substantially flat metal brake shoe table surface. The apparatus has a positioning mechanism which positions the brake shoe table in longitudinal alignment wi... | 06/01/1982 |
