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| Number | Title | Issue Date |
| 7804039 | Liquid phase diffusion bonding method of metal machine part and such metal machine part A liquid phase diffusion bonding method for a metal machine part superior in the quality of the joint and the productivity enabling the bonding time to be shortened, achieving homogenization of the bonding structure and improving the tensile strength, fatigue streng... | 09/28/2010 |
| 7323653 | Deformation resistance welding of sheet metal, tubes, and similar shapes Welded structures having a first and a second member formed from sheet metal, tubes, and similar shapes, are economically fabricated through use of a method for joining a second member to a first member having a folded rim extending therefrom. The folded rim defines... | 01/29/2008 |
| 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 |
| 7065854 | Abutting clinch-joining method An in-expensive method to join metals or other materials by a slug that is compressed or clinched into a punched or machined substantially rectangular slot in two adjoining pieces. The final assembly is flat and of the same thickness as the clinched material. It cou... | 06/27/2006 |
| 7022932 | Outer shell unit and method of manufacturing the unit A manufacturing method for an outer shell unit (10) provided with a cylindrical outer shell (3) housing a damping force generating mechanism and a knuckle bracket (7) mounted on the outer shell (3) to connect a knuckle. The knuckle bracke... | 04/04/2006 |
| 6849820 | Preliminary assembly system and assembly method for vehicle body component parts A preliminary assembly system for joining a body side panel and a floor panel of an automotive vehicle in a loose-fit hemming joint state by bending a claw piece extending from a main body of one of the panels to hold the other of the panels, prior to welding. The p... | 02/01/2005 |
| 6791052 | Method for resistance welding a tube to a member A method for resistance welding a tube to a member. A tube is obtained having an axially-extending first portion and having a tube form which extends transversely from the first portion. The tube form has at least one axial projection. The tube and the member are po... | 09/14/2004 |
| 6791051 | Method for metallurgically attaching a tube to a member A method for metallurgically attaching a tube to a member. A member having a wall is obtained. The wall includes opposing first and second sides and includes a partial extrusion extending above the first side. The partial extrusion has a through hole. A tube having ... | 09/14/2004 |
| 6770834 | Welding machine An improved apparatus and method for the prevention of deformation and buckling of metal plates during welding processes is disclosed. The improved apparatus and method are used to apply pressure to a welded seam created between two metal plates during the welding p... | 08/03/2004 |
| 6717091 | Method for metallurgically attaching together two tubes A method for metallurgically attaching together two tubes. A first tube is obtained having a far wall portion with a first through hole and a near wall portion with a second through hole. A second tube is obtained including first and second outward folds. The tubes ... | 04/06/2004 |
| 6693251 | Method for manufacturing a metallic tubular assembly A method for manufacturing a tubular assembly. A first tube is obtained. A first tubular connector is obtained having a first and second end portions. The first end portion is metallurgically attached to the first tube. A tubular member is obtained having... | 02/17/2004 |
| 6689981 | Method for metallurgically capping an end of a tube A method for metallurgically capping an end of a tube. A tube is obtained having a tube end portion and having a passageway which extends to the tube end portion A cap is obtained and positioned on the tube end portion covering the passageway. The tube en... | 02/10/2004 |
| 5990441 | Damper tube closure A closed end tube particularly for use in a vehicle suspension damper includes a tubular body with an attachment fitting fixed to the end of the tube where the closed end of the tube is manufactured according to a multi-step process. Initially, the proces... | 11/23/1999 |
| 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 |
| 4946088 | Bushing forming machine A bushing forming machine including: a metal strip delivery system including a metal strip wound on a drum; a forming mill for forming the metal strip to a shape; a first conveyer carrying the metal strip to the forming mill; and a punch provided on a pas... | 08/07/1990 |
| 4727233 | Method for sealing tubes The method allows the sealing of metal tubes, particularly of stainless steel, for example, tubes for filling containers for gas at high pressure or evacuation tubes for vacuum vessels. It includes the steps of locally squashing the portion of the tube to... | 02/23/1988 |
| 4518841 | Device for producing reinforcements for use in reinforced concrete Multiple movable support members positioned to shape transverse elements about multiple longitudinal elements, each support member supporting an electrical welding member and a shaping member which, upon movement of the support member, simultaneously shap... | 05/21/1985 |
| 4477710 | Method of forming a high temperature, high pressure thin foil seal A vacuum or high pressure seal operative at high temperatures is formed by placing a thin metal foil over an opening, and forming an electrical seam weld at the interface of the surface and the foil by guiding a needle-like electrode along a path around t... | 10/16/1984 |
| 4476370 | Method and apparatus for shaping beads of welded steel section In manufacturing steel sections by high-frequency resistance welding, weld beads are produced along the weld line of the material. However, rolls disposed in the neighborhood of the welding end point squeeze the red-hot weld beads into a uniform shape.... | 10/09/1984 |
| 4429208 | Electrodes for use in the extrusion-fusion welding of lead parts through an aperture in a battery case The present invention provides a novel electrode construction, for use in extrusion-fusion type battery intercell welders, which uniformly controls the area of contact between members to be welded at the completion of the extrusion process in order to pro... | 01/31/1984 |
| 4420673 | Electrodes for use in the extrusion-fusion welding of lead parts through an aperture in a battery case and method of extruding, fusing and forging lead connections in battery cases A novel method for producing a homogenous weld exhibiting a superior grain structure, higher strength, and superior durability, using an extrusion-fusion type battery intercell welder having a novel electrode construction which provides improved current c... | 12/13/1983 |
| 4379961 | Method of making an apparatus containing a diaphragm The invention relates to a method for making a thin walled diaphragm unit of the type used in pressostats and thermostats. The method involves attaching a ring element to one end of a tubularly shaped diaphragm element which may have the bellows forming c... | 04/12/1983 |
| 4346283 | Method of extruding, fusing and forging lead connections in battery cases The present invention provides a novel method for producing a homogenous weld exhibiting a superior grain structure, higher strength, and superior durability, using an extrusion-fusion type battery intercell welder having a novel electrode construction wh... | 08/24/1982 |
| 4346282 | Method of extrusion-fusion welding of lead parts through an aperture in a battery case The present invention provides a novel method of extrusion-fusion welding of lead parts through an aperture in a battery case which uniformly controls the area of contact between members to be welded at the completion of the extrusion process in order to ... | 08/24/1982 |
| 4336437 | Method of extrusion-fusion welding of lead parts through an aperture in a battery case The present invention provides a novel method of extrusion-fusion welding of lead parts through an aperture in a battery case which uniformly controls the area of contact between members to be welded at the completion of the extrusion process in order to ... | 06/22/1982 |
| 4333213 | Apparatus for bonding leads to capacitor blanks A boxed and encapsulated rolled metallized film capacitor susceptible to facile machine insertion is fabricated by cyclically advancing a lead frame 32 through a number of stations (36,37) whereat pairs of leads (24,26) of the lead frame are bent downward... | 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 |
| 4323754 | Welding automotive brake shoes by high frequency resistance welding A method is provided for welding an edge surface of a curved metal brake shoe web to a metal brake shoe table. The brake shoe table surface has a greater radius of curvature than the brake shoe web prior to welding. The method consists of the steps of pos... | 04/06/1982 |
| 4323753 | Method and apparatus for welding automotive brake shoes A method and apparatus for welding an edge surface of a curved metal brake shoe web to a metal brake shoe table surface. The metal brake shoe table surface has a greater radius of curvature than the brake shoe web edge. The brake shoe table is positioned ... | 04/06/1982 |
| 4322597 | Method and apparatus for interconnecting electrochemical cells for a battery Apparatus and method for mechanically and electrically interconnecting the individual electrochemical cells for a battery. A cell-holding fixture maintains the cells in fixed relationship and includes a conductive electrode disposed adjacent each terminal... | 03/30/1982 |
| 4321457 | Method and device for the burning of an artificial carbon body, especially of an anode for the aluminum fusion electrolysis An apparatus to burn carbon bodies has at least two independently controllable electric resistance heating circuits, at least two temperature sensors and a comparator. Two or more regions of a selected carbon body can be independently heated by the two ci... | 03/23/1982 |
| 4307280 | Method for filling internal casting voids A method for filling an internal void in a metal component. After internal voids in the metal component are detected and mapped, the metal component is positioned such that an internal void is between two electrodes. The metal component is compressed by t... | 12/22/1981 |
| 4296303 | Method for making intercell connections in multi-cell storage battery In an intercell connection of a multi-cell storage battery of the type having, in each unit cell separated by at least a partition wall of battery cell having an opening for said intercell connection, a pair of upstanding connectors integral with straps e... | 10/20/1981 |
| 4166210 | Electrodes for use in the extrusion-fusion welding of lead parts through an aperture in a battery case The present invention provides a novel electrode construction for use in extrusion-fusion type battery intercell welders, which alters the current carrying characteristics of the electrodes and produces a homogeneous weld exhibiting a superior grain struc... | 08/28/1979 |
| 4146771 | Apparatus for making a side terminal weld An electrical resistance welding apparatus for making an integral and homogeneous connection between a terminal and a battery lug accomplished by limiting the area of contact between the two as by equipping the battery with an insulation card which is at ... | 03/27/1979 |
| 4099043 | Progressive die welding of electrical contacts Electrodes are incorporated in a progressive die to weld precious metal to spring contact body being formed by the die. One electrode is carried by the die bolster and the other electrode is carried by a pivotally mounted narrow arm projecting into the di... | 07/04/1978 |