Patents in subclass Electric Heating/By Localized Projection

Parent class: Electric Heating

Number Patent title Issue Date
07399942 Method for projection bonding of telescoped tubes

A pair of tubes are provided, one of greater diameter than the other so that the tubes can be telescoped together. An annular inward facing projection is formed on the outer tube for contact with the outside surface of the inner tube when...
07/15/2008
07291801 Electrode for projection welding

In an electrode for projection welding, an end cover (10) of metal having a through hole (19) is attached to the end of a main body (6) of metal having a cylindrical shape, a guide sleeve (12) of insulation material is disposed in the...
11/06/2007
07282664 Resistance welding fastener electrode

A welding assembly is provided for welding a fastener to an object such as a vehicle body panel. The assembly includes a weld gun having first and second electrodes movable relative to one another between an open position and a closed...
10/16/2007
07250585 Robotic welding system and method for welding projection weld nuts

A system and method for welding projection weld nuts to a work piece. The system and method of the present invention generally makes use of a fixtured work piece having one or more projection weld nuts associated therewith. A resistance...
07/31/2007
07170025 Welding device

IMPROVED RESISTANCE WELDING DEVICE that includes a mobile electrode in a support assisted by a spring, gas cylinder or expansion element, allowing its movement on being compressed so that the time lapse for the welding is sufficiently...
01/30/2007
07071439 Method for barrier assembly

A barrier such as a fence is formed by welding conductive upright members to conductive U-shaped rails by a projection resistance welding process. The rail includes at least one weld-forming region which projects within the rail channel,...
07/04/2006
07053330 Projection weld-bonding system and method

A method of welding and a projection weld bond system is disclosed. A first workpiece is provided that is made of a material that conducts electricity, and a second workpeiece is provided that is made of a material that conducts...
05/30/2006
07030333 Method of joining plates with weld fastened studs

A method of joining plates includes the steps of providing a one or more studs having a head, a barrel and a weld tip. The plates and studs are arranged such that a first plate having at least one hole is located between the studs and a...
04/18/2006
07019251 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...
03/28/2006
06992261 Sputtering target assemblies using resistance welding

A method of forming a sputtering target assembly and other metal articles is described. Sputtering target assemblies and metal articles are also described. The method includes bonding a sputter target to a backing plate using resistance...
01/31/2006
06933459 Methods and apparatus for fabricating a turbine engine blade

A method for fabricating a turbine engine blade. The method includes providing a resistance welding system, and welding a metering plate to the turbine engine blade using the resistance welding system.
08/23/2005
06906279 Resistance welding fastener electrode

A welding assembly is provided for welding a fastener to an object such as a vehicle body panel. The assembly includes a weld gun having first and second electrodes movable relative to one another between an open position and a closed...
06/14/2005
06878897 Resistance projection welder error inhibitor

A device is shown for determining if a weld nut is oriented or even present on a work piece before welding is initiated. This device determines the status of the weld nut by gauging the pressure of the air. If the weld nut is correctly...
04/12/2005
06875946 Device for welding

The present invention relates to a nut positioning pin disposed on a lower electrode for the projection welding of a nut. The present invention increases cooling and positioning accuracy, prevents entrance of sputtering particles, and...
04/05/2005
06864014 Connecting structure of conductive connecting tab of battery

The present invention provides a conductive connecting structure exhibiting satisfactory connecting performance to connect a conductive connecting tab being mounted on a battery element to a battery case, said conductive connecting table...
03/08/2005
06827537 Orientless weld nut

A weld nut has weld projections on both sides. The projections concentrate heat and melt when in contact with a component part, to form a lasting weld of the nut to the component part. Because there are weld projections on both sides of...
12/07/2004
06825436 Welding method and welding device of cap nut

One electrode 6 is provided with a recess 16 for receiving and holding a cap 13 and the other electrode 8 is provided with a recess 36 for receiving and holding a nut 10. The thus held cap 13 and nut 10 are pressed against each other by...
11/30/2004
06770835 Method of welding a cage and nut assembly to a workpiece

This invention provides a method of welding a cage and nut combination to a surface of a workpiece using a welding electrode as a holding and locating member for the cage and nut. The cage and nut are placed, upside-down, in a recess...
08/03/2004
06765170 Method for single sided spot welding

A method of single sided spot welding includes the steps of providing a metal tube having a convex surface portion and providing a metal sheet for welding to the metal tube. The method also includes the steps of contacting the metal sheet...
07/20/2004
06765171 Projection welding of flanged weld nut

This invention provides a method of welding a flange nut to a workpiece surface using an improved design of a welding electrode. The electrode comprises a parts-receiving recess adapted to receive a stem portion of the nut, while...
07/20/2004
06740840 Weld electrode for detecting a misoriented weld nut

A weld nut electrode for differentiating between a properly and an improperly oriented weld nut. The electrode has a conductive portion for passing weld current through the weld nut and an insulated portion electrically isolated from the...
05/25/2004
06706991 Welding method and welding system for projection bolt

A welding method and a welding system for a projection bolt are provided. The disclosure comprises a stationary welding machine (5) having supporting arms (8, 9), each of which is provided with a movable electrode (10) and a fixed...
03/16/2004
06703577 Method of making closed cavity pistons

A method of securing a cap on a piston body includes forming a first annular V-shaped surface at an open end of a cylindrical piston body; forming a second annular V-shaped surface on an annular surface of an oil conduit in the interior...
03/09/2004
06654995 Method for joining tubular members

A method is disclosed for inserting an end of a first tubular member into a complementary end of a second tubular member and attaching (e.g., welding) the adjacent surfaces of the inserted ends in a tight peripheral bond. In the method, a...
12/02/2003
06653590 Projection bolt welding device

A projection bolt feed unit (14) is mounted on a welding frame (5) which is made to move by a robot system (1), and on either one of two electrodes (6, 7) installed on the welding frame (5) is formed a receiving hole (9) in which to...
11/25/2003
06637091 Method for making titanium wire face guard

A method of making a face mask including the steps of providing a plurality of lengths of Grade 2, commercially pure titanium wire, having a diameter of from about 0.21 to about 0.24 inches; forming each length at room temperature to a...
10/28/2003
06624379 Method and apparatus for welding a metal fastener to a metal member

A method and apparatus for projection welding a metal fastener (e.g., a nut) to a metal member (e.g., a sheet) is disclosed. The apparatus includes a first electrical contact and a locator assembly having a second electrical contact. For...
09/23/2003
06576859 Resistance welding fastener electrode

A welding assembly is provided for welding a fastener to an object such as a vehicle body panel. The assembly includes a weld gun having first and second electrodes movable relative to one another between an open position and a closed...
06/10/2003
06555777 Method of manufacturing bimetal slippers

A method of manufacturing male bimetal slippers includes the steps of forming a stem having opposite first and second ends; rigidly affixing a ball on the first end of the stem to form a male slipper body; and capacitance discharge...
04/29/2003
06548780 Techniques for resistance welding attachments to small pressure vessels

A technique for resistance welding an attachment such as a collar or base ring to a tank head section by causing welding current to flow through weld protrusions disposed on the attachment and which are pressed against the tank section....
04/15/2003
06525290 Accumulator and manufacturing process thereof

Disclosed is an accumulator comprising: a pressure vessel; an elastic bellows in which a compressed gas is sealed, an end of the bellows being fixed to an interior of the pressure vessel; a flow path having an opening communicating with...
02/25/2003
06506998 Projection welding of an aluminum sheet

A projection coined onto a metal sheet, preferably an aluminum sheet, for projection welding the sheet to an adjacent metal sheet. The projection has a thickness greater than the thickness of the sheet on which it is formed. The wall of...
01/14/2003
06455801 Method and device for manufacturing a projection weld connection for plate material

A method for manufacturing projection weld connections between plate parts of electrically conductive material such as body parts of automobiles in which a triangular projection is pressed in one of the plate parts, the projection having...
09/24/2002
06407357 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...
06/18/2002
06373021 Method for electrical resistance welding a metal tube to a metal sheet

A method for forming an electrical resistance weld between a metal tube and a metal sheet is disclosed. In the method, a plurality of generally circular protrusions having generally triangular cross sections is formed upon the sheet....
04/16/2002
06369344 Substrate facing method, body and kit

A method of facing a substrate comprises applying a plurality of facing bodies to a carrier in a pattern corresponding to the desired pattern of the bodies on the faced substrate. The carrier has holes positioned centrally with respect to...
04/09/2002
06303893 Resistance projection welder and method therefor

A resistance projection welder for welding first and second work pieces to each other. The first work piece having a body with opposing sides with at least one projection extending from one of the opposing sides and contacting the second...
10/16/2001
06281466 Projection welding of an aluminum sheet

A projection coined onto a metal sheet, preferably an aluminum sheet, for projection welding the sheet to an adjacent metal sheet. The projection has a thickness greater than the thickness of the sheet on which it is formed. The wall of...
08/28/2001
06175097 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...
01/16/2001
6163004 Method of welding projection nut and apparatus therefor

When a projection nut is brought into an intended position, in order that welding may be completed with the nut kept at accurate posture and the nut fed in correct position, a recess (21) is formed at the leading end of a feed rod (20),...
12/19/2000
6089617 System for attaching a tubular device to a planar device

A fluid connector system for connecting a tubular device such as a conduit having a fluid-bearing capability to a channel port having a fluid-bearing capability in a planar surface, thereby providing a substantially leak-free fluid...
07/18/2000
6054668 Method and apparatus of projection welding

A process and apparatus for projection welding of overlapping nonferrous sheets, particularly thin aluminum sheets. One of the sheets is provided with a projection therein, and the sheets are positioned so that the tip of the projection...
04/25/2000
6037558 Integrated low inertia projection welding head and cylinder

An integrated projection welding head and drive assembly which has a pressure drive device moving an electrode head assembly into contact with one of the workpieces projection weld two workpieces together. A force generation unit biasing...
03/14/2000
6008463 Resistance welding electrode with guide pin

In an electrode for welding with a retractable guide pin so received in a guide hole of the electrode that air blows out from a gap between the guide hole and the guide pin as the guide pin is pushed in to prevent intervention of foreign...
12/28/1999
5988703 Fluid connector system for a planar manifold assembly

A fluid connector system for connecting a conduit having a fluid-bearing capability to a channel having a fluid-bearing capability in a planar manifold assembly, thereby providing a substantially leak-free fluid communication between the...
11/23/1999
5895584 Movable electrode structure of resistance welding apparatus for nut

A guide pin of a movable electrode is inserted into a hole of a nut fed to an intermediate position between a fixed electrode and the movable electrode, and the movable electrode is then moved down together with the nut to position the...
04/20/1999
5872348 Method for forming a projection for projection welding

A method for forming a projection for projection welding includes the steps of: bending a workpiece such that a first end side portion located on one side of the bent portion is perpendicular to a second portion that is located on the...
02/16/1999
RE35914 Parts feeding device

A part is kept on standby so that it can be reliably held by a feed rod. An auxiliary feed rod is provided with an arrangement for holding a part at a fixed position in advance. The part is stopped on the advance and retraction axis of a...
10/06/1998
5783794 Method and material for resistance welding steel-base metal sheet to aluminum-base metal sheet

The present invention relates to a resistance welding method suitable for use in spot welding between a steel-base metal sheet, which has been plated for rust prevention purposes, and an aluminum-base metal sheet and aims to permit a...
07/21/1998
5633093 Counterweight attachment technique

An apparatus for balancing an aluminum drive shaft uses a transition material to attach steel counterweights to the aluminum drive shaft. The transition material is disposed between an outer surface of the aluminum drive shaft and an...
05/27/1997