Patents in subclass Electric Heating/Butt

Parent class: Electric Heating

Number Patent title Issue Date
07385156 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...		 06/10/2008
07368035 Method for brazing and adhesive bonding

An improved method for joining together the edge portions of first and second panels includes applying a heat curable adhesive along the edge portion of the first panel and then abutting the edge portion of the second panel with the edge...		 05/06/2008
07348523 Method of induction weld forming with shear displacement step

A shear-assisted solid state welding method for joining of metal parts, involves a first step of heating opposing surfaces in a non-passivating environment to a temperature in the hot working temperature range of the metal. A second step...		 03/25/2008
07307235 Butt welding apparatus, butt welding method, and butt welded product

A butt welding apparatus, a butt welding method, and a product manufactured by the butt welding method involves two electrode rollers disposed on both the front and back sides of a thick sheet member and a thin sheet member whose end...		 12/11/2007
07282663 Forge welding process

An automated method for forge welding tubulars including heating the tubular ends to be joined in a welding chamber while the heated tubular ends are maintained aligned and parallel relative to each other and at a small spacing, whereupon...		 10/16/2007
06875948 Method and device for controlling the welding by flash welding of two metallic parts

The invention concerns a method for controlling the butt welding, by flash welding, of two metallic parts (A, A') in a welding machine of the type comprising two pairs of clamping dies (2, 2') mounted respectively on a fixed frame (1) and...		 04/05/2005
06744004 Method for welding a differential housing

A method of welding an axle housing surface to a blank surface includes generated heat in one of the two components. Heat is generated from at least one of these surfaces at their interface sufficient to weld them together. The surfaces...		 06/01/2004
06627840 Method and means for processing butt welds

A method and machine for deburring the burr which is formed when wires are butt welded is disclosed. The machine comprises a deburring head which has a pair of opposed deburring rollers mounted thereon. Each of the rollers has a milled...		 09/30/2003
06572003 Seam welding apparatus and seam welding method

To provide a seam welding apparatus and a seam welding method that may operate at a low pressure to obtain a suitable overlapped alignment amount. In the seam welding apparatus, a trailing plate clamp moving means is provided with link...		 06/03/2003
06491209 Continuous band manufacture

A band saw strip manipulator is arranged to receive a toothed metal strip for welding from a cut to length machine. The strip is moved into the band saw strip manipulator by powered rollers. The strip extends between a first edge detector...		 12/10/2002
06373017 Continuous hot rolling mill with metal block conveying apparatus

A continuous hot rolling mill with a metal block conveying apparatus and a metal block joining apparatus which moves with the metal blocks along the metal block conveying apparatus to conform a joining operation. The metal block conveying...		 04/16/2002
06180910 Force control techniques on a resistance welding machine

The present invention is an improved welding technique that provides real-time control of the servo valve to account for the changing conditions of the parts being welded. The present invention may be implemented within any electrical...		 01/30/2001
06172320 Welding method for forming chromium oxide passivated film at welded portion

An improved method for welding and passivation forms a chromium oxide passivated film over the welded portion during the welding process. In a shielding step, a backshield gas, preferably argon, is flowed around the welding site. In a...		 01/09/2001
6169263 Techniques for adaptive control of force in resistance welding applications

The present invention is an improved butt welding technique that provides adaptive control of force that is applied to a part during a welding process to enable a maintained joint resistance across joint. The force may be adjusted to...		 01/02/2001
06169263 Techniques for adaptive control of force in resistance welding applications

The present invention is an improved butt welding technique that provides adaptive control of force that is applied to a part during a welding process to enable a maintained joint resistance across joint. The force may be adjusted to...		 01/02/2001
6031197 Resistance rail welding device with alignment mechanism

A device for welding together elongated work pieces such as railroad track, is provided with controls to eliminate pre-existing angles that exist between each work piece prior to joining.		 02/29/2000