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Class 219/156 - Rods and bars


Subclass of Class 219 - Electric heating
Definition: Subject matter in which the metal heated is a rod or bar.
No. of patents: 17
Last issue date: 12/04/2007


NumberTitleIssue Date
7302821Techniques for manufacturing a product using electric current during plastic deformation of material
A technique for manufacturing a product involves receiving material, providing plastic deformation to the material to at least partially form the product, and applying electric current to the material while providing the plastic deformation to the material. The elec...
12/04/2007
7065875Bushing support ring for stabilizer bar
A stabilizer bar assembly for an automotive vehicle includes a stabilizer bar, a bushing mounted to the stabilizer bar, and a support ring mounted onto the stabilizer bar adjacent the bushing to provide a stop to prevent the bushing from moving axially along the sta...
06/27/2006
6956187Steel plate splicing facility utilizing shear joining
A steel plate splicing facility includes, a steel plate heating apparatus for retrieving and heating a preceding steel plate and a following steel plate, and a shear-joining apparatus for clamping a tail end portion of the preceding steel plate and a leading end por...
10/18/2005
6903296Method of making a metallic component
A metallic component is made by heating with subsequent hardening by rapid cooling. In the component unhardened regions remain, in that the component is electrically resistant heated and defined regions, either by partial resistance heating of the other regions, by ...
06/07/2005
6897407Method of and apparatus for the electrical resistance heating of metallic workpieces
An electrode pattern is used to apply preheating and final heating electric current to a workpiece whose smaller regions are bridged, or otherwise controlled as to the temperature so that for the final heating, all parts of the workpiece have substantially the same ...
05/24/2005
6323458Joined metal member and method of joining said member
In order to provide a method of joining a cylinder head 2 and a valve seat 3 by press and heat generated on passing an electrical current through both members 2, 3, to achieve satisfactory joining with minimized heat generated inside when the current is s...
11/27/2001
5744773Resistance heating process and apparatus
A process and apparatus for effecting preheating of elongate metal parts, such as bars, for permitting subsequent deformative processing of the bar. Electrode-type clamps are attached adjacent opposite ends of the elongate bar, and direct-current electric...
04/28/1998
5234659Plant for conductive electrical heating of steel blanks
A plant for conductive electrical heating of elongated electrically conductive objects, e.g. steel blanks for further treatment in a roll mill. Said plant comprises a combination of the following features: at least two blanks (1) are provided in parallel and s...
08/10/1993
4623774Method and apparatus for the welding of a ball and rod assembly
An automatic welding and annealing machine and specifically a machine for producing unique piston connecting rod assemblies utilized in compressors used in automotive air conditioning systems. The parts produced by this machine are comprised of a rod appr...
11/18/1986
4574604Process and apparatus for high speed fabrication of copper wire
A continuous process for high speed fabrication of wire comprises the steps of directing wire through a first set of drawing dies to reduce the wire diameter to an intermediate diameter, applying a lubricant to the wire during the drawing process, anneali...
03/11/1986
4399342Grating and method of production thereof
A grating of metal longitudinal strips (1) standing on edge in parallel with one another and narrower metal cross-strips (3) parallel with one another, is (for the achievement of higher load capacity) produced in such a way that in the longitudinal strips...
08/16/1983
4326116Apparatus for electric resistance heating and cooling tubular workpieces
An apparatus comprising a case with a carriage mounted on horizontal guides thereof which carriage supports two brackets provided with contact clamps. Under the brackets there is mounted a bath containing a cooling medium. At least one of the brackets is ...
04/20/1982
4175228Method of hot bending a generally straight wire blank
A method of hot bending a generally straight wire blank of a material being brittle in cold condition into a wire element having straight end portions and coils formed therebetween. According to the invention the rod blank is hot bent without a mandrel by...
11/20/1979
4115685Resistive heating of elongated stock
Tubes, rods, etc., are heated electrically in that current is applied via movable electrodes, one of which tracks the front and another one tracks the rear ends, but the electrodes remain spaced-apart during most of the heating....
09/19/1978
4090058Conductive heating device
In apparatus for resistance-heating elongated workpieces by direct passage of current therethrough, a device for displacing the elongated workpieces longitudinally into and out of the apparatus includes rail means providing a transporting surface into and...
05/16/1978
4086464Resistance heating device with improved workpiece feeding mechanism
In a device for resistance heating of an elongated, generally cylindrical metal workpiece preparatory to quench hardening wherein the workpiece has a central, elongated axis and axially spaced first and second ends. The heating device includes first and s...
04/25/1978
4063065Method and apparatus for the resistance heating of wire pins
A method for the consecutive resistance heating of sequentially advanced wire pins by means of electrodes positioned on end faces of the pins includes the following steps: A. connecting in series at least two wire pins to a current source through the elec...
12/13/1977
 
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