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| Number | Title | Issue Date |
| 8082654 | Production method for large rotor/stator laminations In a method for manufacturing a lamination for a motor or generator where a plurality of the laminations are used to form a core of the motor or generator, a material strip of electrical steel is provided having a width substantially corresponding to half of an oute... | 12/27/2011 |
| 7910049 | System employing generation of controlled furnace atmospheres without the use of separate gas supplies or stand-alone atmosphere generators In a system for processing metal, a furnace is provided which receives the metal being processed. At least one heating burner is provided in the furnace together with at least one atmosphere burner of substantially a same construction as the heating burner. An exhau... | 03/22/2011 |
| 7797977 | System for producing a helical stator In a system for producing a helical stator, a stator core strip is provided having a base portion with spaced tangs extending from the base portion. The strip is driven in a feed direction toward a bending region. At the bending region the strip is bent with an outs... | 09/21/2010 |
| 7648672 | Process and system employing generation of controlled furnace atmospheres without the use of separate gas supplies or stand-alone atmosphere generators In a system for processing metal, a furnace is provided which receives the metal being processed. At least one heating burner is provided in the furnace together with at least one atmosphere burner of substantially a same construction as the heating burner. An exhau... | 01/19/2010 |
| 7603760 | Method for producing a helical stator In a method or system for producing a helical stator, a stator core strip is provided having a base portion with spaced tangs extending from the base portion. The strip is driven in a feed direction toward a bending region. At the bending region the strip is bent wi... | 10/20/2009 |
| 7371296 | Annealing furnace cooling and purging system and method In a method and system for an improved annealing furnace cooling and purging, atmosphere injection jets are provided in close proximity to a bottom of a tray carrying a lamination product in a cooling section. Atmospheric extraction tubes are also provided extractin... | 05/13/2008 |
| 7361238 | Annealing furnace purging and oxidation system and method In an improved annealing furnace for laminations having a purge vestibule and an oxidation section, atmosphere injection tubes with atmosphere injection jets are provided in the oxidation section at a conveyor directly beneath trays conveying the laminations. Atmosp... | 04/22/2008 |
| 7086317 | Method for manufacturing linear motor lamination For manufacturing a straight strip lamination, a die is provided having at least a main slot punch and a part feature punch. The strip is fed into the die station with a constant slot step distance progression with the slot punch activated to create a plurality of s... | 08/08/2006 |
| 6632062 | Parts handling device for press In a parts handling device and method for handling parts having a central aperture output from a press, the curved slide is provided extending in sloping fashion with its upper end being positioned at the press and its lower end at a location for unloadin... | 10/14/2003 |
| 6536318 | Loose lamination die with rotating blanking station In a method and apparatus for rotating loose laminations in a loose lamination die, a strip is fed through the die to a rotatable blanking chamber of a blanking station. There, a punch engages with a die ring to punch a lamination free from the strip. The... | 03/25/2003 |
| 6523445 | Loose lamination die with rotating blanking station In a method and apparatus for rotating loose laminations in a loose lamination die, a strip is fed through the die to a rotatable blanking chamber of a blanking station. There, a punch engages with a die ring to punch a lamination free from the strip. The... | 02/25/2003 |
| 6511276 | Parts handling device for press In a parts handling device and method for handling parts having a central aperture output from a press, the curved slide is provided extending in sloping fashion with its upper end being positioned at the press and its lower end at a location for unloadin... | 01/28/2003 |
