| Patent Number |
Title Of Patent |
Date Issued |
| 6769595 |
Friction plunge riveting |
August 3, 2004 |
| A method of joining a pair of metal components with a rivet having a hardness that is substantially similar to at least one of the metal components. The metal components are stack upon each other and the rivet is rotated and simultaneously plunged in the metal components under pressu |
| 6764672 |
Thermally stable alumina particulates |
July 20, 2004 |
| Thermally stable transitional alumina particulates retaining high specific surface area after calcination at 1000.degree. C. suitable for the use as catalysts or catalysts supports are produced by treating an aqueous solution containing Al.sup.3+ and optionally a doping amount of La.sup. |
| 6758991 |
Stable inert anodes including a single-phase oxide of nickel and iron |
July 6, 2004 |
| Ceramic inert anodes useful for the electrolytic production of aluminum are disclosed. The inert anodes comprise an oxide of Ni and Fe having a controlled Ni/(Ni+Fe) mole ratio which results in a single-phase structure at the operation temperatures of aluminum production cells. The Ni an |
| 6758903 |
Apparatus for coating metal strip |
July 6, 2004 |
| A method and apparatus for extrusion coating both sides of a metal strip. A metal strip, such as aluminum alloy strip, is moved through a pre-conditioner, two extrusion dies, a post-heater and a cooling system. Both sides of the strip are coated with thin coatings of thermoplastic po |
| 6752368 |
Clamping device and method for grasping a workpiece |
June 22, 2004 |
| A clamping device for grasping and suspending a workpiece is disclosed. The clamping device comprises a clamp body, the clamp body comprises at least one slotted arcuate spring end portion; an intermediate spring spreading portion contiguous with and extending from the slotted arcuate sp |
| 6749992 |
Printing plate |
June 15, 2004 |
| A printing plate for computer-to plate lithography having a laser-ablatable member supported by a substrate. At least one portion of the laser-ablatable member is formed form an acrylic polymer containing laser-sensitive particles. The laser-sensitive particles absorb imaging radiati |
| 6743309 |
Method and apparatus for casting, hot rolling and annealing non-heat treatment aluminum alloys |
June 1, 2004 |
| This invention provides a method and apparatus for casting, hot rolling and annealing of non-heat treatable aluminum alloys which comprises continuously casting, hot rolling and, in-line with the hot rolling line, heating the aluminum sheet using infrared heat. The infrared heating s |
| 6742568 |
Casting apparatus including a gas driven molten metal injector and method |
June 1, 2004 |
| The casting apparatus (50) includes a holding vessel (10) for containing a supply of molten metal (12) and a casting mold (52) located above the holding vessel (10) and having a casting cavity (54). A molten metal injector (14) extends into the holding vessel (10) and is at least par |
| 6740845 |
Laser welding with beam oscillation |
May 25, 2004 |
| A method of welding metal components together including moving a laser beam in a first direction along an interface between a pair of metal components such that in the vicinity of the focused beam, metal from each component is vaporized to produce a keyhole in a pool of molten metal. The |
| 6739485 |
Dual action valve for molten metal applications |
May 25, 2004 |
| A molten metal supply system (90) includes a plurality of injectors (100) each having an injector housing (102) and a reciprocating piston (104). A molten metal supply source (132) is in fluid communication with the housing (102) of each of the injectors (100). The piston (104) is movabl |
| 6739387 |
Heat exchanger tubing and heat exchanger assembly using said tubing |
May 25, 2004 |
| A heat exchanger tubing has one or more channels formed therein for fluid flow, with channel walls between the channels having openings extending between two opposing surfaces of the tubing. The channel walls are angled with respect to the opposing surfaces to increase the surface area o |
| 6736283 |
Can end, tooling for manufacture of the can end and seaming chuck adapted to affix a converted c |
May 18, 2004 |
| A can end is provided that has a three part chuck wall. The first chuck wall has an angle of 20 degrees to 35 degrees as measured from an axis perpendicular to the can end. The second chuck wall has an angle of 4 degrees to 27 degrees as measured from the axis. The third chuck wall has |
| 6733566 |
Petroleum coke melt cover for aluminum and magnesium alloys |
May 11, 2004 |
| A method for preventing oxidation of molten aluminum alloy and magnesium alloy surfaces, the method comprising providing a molten aluminum alloy or magnesium alloy having a molten aluminum or magnesium alloy surface; covering the molten aluminum or magnesium alloy surface with an initial |
| 6723282 |
Metal product containing ceramic dispersoids form in-situ |
April 20, 2004 |
| A novel method for producing a ceramic phase particle dispersoid in metal and a novel product composed thereof. The method includes (a) providing a molten composition consisting essentially of molten aluminum alloy containing molten metal selected form the group consisting of Zr, V and |
| 6723221 |
Insulation assemblies for metal production cells |
April 20, 2004 |
| Insulation assemblies provide reduced heat loss from electrolytic metal production cells such as inert anode aluminum production cells. The insulation assemblies may be located at the end, side and/or center aisles of the cell, and may be supported by the anodes and deckplate of the cell |
| 6715420 |
Printing plate with dyed and anodized surface |
April 6, 2004 |
| A printing plate for computer-to plate lithography having a metal substrate with an anodized surface portion. The anodized surface portion has a porous texture in which a radiation-absorbing composition, preferably a black dye, is deposited. The surface portion with the radiation-absorbi |
| 6715250 |
Plastic siding panel |
April 6, 2004 |
| A plastic panel for attachment to an exterior wall of a building includes a body, an attachment hem attached to the body and defining at least one aperture for a fastener, and a side flange extending laterally outwardly of the body. The side flange defines a fastening slot for attaching |
| 6712126 |
Continuous pressure molten metal supply system and method |
March 30, 2004 |
| A molten metal supply system (90) includes a plurality of injectors (100) each having an injector housing (102) and a reciprocating piston (104). A molten metal supply source (132) is in fluid communication with the housing (102) of each of the injectors (100). The piston (104) is movabl |
| 6712125 |
Continuous pressure molten metal supply system and method for forming continuous metal articles |
March 30, 2004 |
| A molten metal supply system (90) includes a plurality of injectors (100) each having an injector housing (102) and a reciprocating piston (104). A molten metal supply source (132) is in fluid communication with the housing (102) of each of the injectors (100). The piston (104) is movabl |
| 6708752 |
Injector for molten metal supply system |
March 23, 2004 |
| An injector (100) for a molten metal supply system includes an injector housing (102) configured to contain molten metal. A molten metal supply source (132) is in fluid communication with the housing (102). A piston (104) extends into the housing (102). The piston (102) is movable throug |
| 6705384 |
Simultaneous multi-alloy casting |
March 16, 2004 |
| A method of casting a multi-layered metal ingot including the steps of delivering a metallic divider member into a direct chill mold, pouring a first molten metal into the mold on one side of the divider member, and pouring a second molten metal into the mold on the other side of the |
| 6702886 |
Mold coating |
March 9, 2004 |
| A coating for a mold surface of a casting mold includes a metallic bond coat bonded to the mold surface and having a continuous, uniform thickness of between about 0.002 to 0.005 inch on the mold surface. A topcoat of yttria stabilized zirconia is located on top of the metallic bond coat |
| 6698809 |
Joint structure and method for making a joint structure |
March 2, 2004 |
| An energy absorbing assembly for a vehicle including an elongated crash box having ends with circular cross-sections. One end of the crash box is received in a bumper beam and is friction welded to an inside surface of the beam. The other end of the crash box is friction welded to a brac |
| 6698690 |
Impact resistant door containing resealable panels |
March 2, 2004 |
| A two layer door is provided. The first layer is made of a plurality of metallic members with a portion of the metallic members having one or more channels adapted to receive one or more armor panels. The second layer is made of the channels of the metallic members and armor panels dispo |
| 6696106 |
Primer for radiation curable coating compositions |
February 24, 2004 |
| An aluminum-polymer composite is made by coating a surface portion of an aluminum alloy body with a primer composition comprising a vinylphosphonic acid-acrylic acid copolymer to form a primer layer, coating the primer layer with a radiation curable polymer precursor, and irradiating the |
| 6682332 |
Dual isolated mode controller for injection molding machine |
January 27, 2004 |
| An injection molding apparatus includes a control system for controlling the injection of fluid molding material during an injection cycle. The control system includes a controller for generating control signals and a servo control circuit responsive to the control signals for controllin |
| 6673519 |
Printing plate having printing layer with changeable affinity for printing fluid |
January 6, 2004 |
| A printing plate for computer-to plate lithography having a laser-ablatable member supported by a substrate. At least one portion of the laser-ablatable member is formed form an acrylic polymer containing laser-sensitive particles. The laser-sensitive particles absorb imaging radiati |
| 6673391 |
Ceramic applicator device and method of use |
January 6, 2004 |
| A coated substrate, such as thick, coated metal sheet is made using a system (10) where a moving metal sheet substrate (12), preferably aluminum over 0.1 mm thick contacts an applicator roll (20) which has a non-deformable, micro-porous flat ceramic surface which is coated with a coa |
| 6672642 |
Hybrid tailgate |
January 6, 2004 |
| A lightweight tailgate assembly for pickup trucks and other motor vehicles includes several metal panels that are made from a single metal sheet and a plastic reinforcing module between inner and outer metal panels. The side panels of the tailgate are formed as part of the plastic reinfo |
| 6672368 |
Continuous casting of aluminum |
January 6, 2004 |
| A method of continuous casting aluminum alloys between a pair of rolls. Molten aluminum alloy is delivered to a roll bite between the rolls and passes into the roll nip in a semi-molten state. A solid strip of cast aluminum alloy exits the nip at speeds of about 25 to about 400 feet per |
| 6669223 |
Trailer hitch |
December 30, 2003 |
| A vehicle trailer hitch including an aluminum tubular U-shaped strut and a cast aluminum receiver mounted thereto. Ends of the strut tube are flatted to form integral planar mounting flanges for mounting the hitch to a vehicle. |
| 6644388 |
Micro-textured heat transfer surfaces |
November 11, 2003 |
| A wrought aluminum sheet product having a textured surface for improved heat transfer properties. A plurality of textured features having dimensions of about 1-50 microns is roll textured onto one or both sides of the sheet. The aluminum sheet may be used as the fins or tubing of a h |
| 6631679 |
Printing plate material with electrocoated layer |
October 14, 2003 |
| A process for making printing plate material suitable for imaging by laser radiation. A metal substrate is electrocoated in a bath containing a polymeric resin and laser-sensitive particles, thereby depositing a laser ablatable layer on a principal surface of the metal substrate. In one |
| 6630039 |
Extrusion method utilizing maximum exit temperature from the die |
October 7, 2003 |
| A method of producing an aluminum base alloy extruded product. The method comprises (a) providing a body of an aluminum base alloy; (b) homogenizing the body at an elevated temperature not exceeding its eutectic temperature for a sufficient period of time to provide a homogeneous distrib |
| 6629352 |
Ultra-lightweight thin sliding door for a vehicle |
October 7, 2003 |
| A sliding door for vehicles including a space frame formed from an extruded aluminum tube to which inner and outer aluminum door panels are attached. Hardware for operation of the door is mounted on the exposed inside surface of the door. The overall weight of the door is about 20 pounds |
| 6623797 |
Method for coating metal strip |
September 23, 2003 |
| In a preferred embodiment, the present invention is an apparatus and a method for coating both surfaces of a continuous processing aluminum strip by extruding thin polymeric film onto the aluminum strip. Generally, the aluminum strip is uncoiled, passed through a preheating unit, two |
| 6613167 |
Process to improve 6XXX alloys by reducing altered density sites |
September 2, 2003 |
| A process for improving 6XXX alloys, such as 6013, preferably includes heating, hot rolling, inter-rolling thermal treatment at a very high temperature such as 1020.degree. F. or more, again hot rolling (with or without subsequent continuous hot rolling or cold rolling or both), solu |
| 6607656 |
Use of recuperative heating for start-up of electrolytic cells with inert anodes |
August 19, 2003 |
| The present invention is directed to methods for preheating a molten salt electrolysis cell having inert anodes (24) using recuperative gas heating by combusting a first gas outside the cell chamber (20) in a combustion chamber (2) and using to heat a second gas in recuperator (8) which |
| 6602363 |
Aluminum alloy with intergranular corrosion resistance and methods of making and use |
August 5, 2003 |
| A corrosion resistant aluminum alloy has controlled amounts of iron, manganese, chromium, and titanium along with levels of copper, silicon, nickel, and no more than impurity levels of zinc. The alloy chemistry is tailored such that the electrolytic potential of the grain boundaries |
| 6598923 |
Joint structure and method for making a joint structure |
July 29, 2003 |
| A joint structure is ideally suited for use in the manufacture of assemblies and subassemblies in aluminum structures. More particularly, the alternative joint structures and methods of forming joint structures facilitate the assembly of a vehicle body-in-white. The friction welded j |
| 6585797 |
Recirculating molten metal supply system and method |
July 1, 2003 |
| The melter furnace includes a heating chamber (16), a pump chamber (18), a degassing chamber (20), and a filter chamber (22). The pump chamber (18) is located adjacent the heating chamber (16) and houses a molten metal pump (30). The degassing chamber (20) is located adjacent and in flui |
| 6581675 |
Method and apparatus for continuous casting of metals |
June 24, 2003 |
| An apparatus and method for strip casting of metals on at least one endless belt. The apparatus employs a tapered molding section that is large at the point of molten metal entry and tapers to a smaller thickness where a pair of pinch rolls apply a compressive force that sets the final t |
| 6578620 |
Filtering molten metal injector system and method |
June 17, 2003 |
| The filtering molten metal injector system includes a holder furnace, a casting mold supported above the holder furnace, and at least one molten metal injector supported from a bottom side of the casting mold. The holder furnace contains a supply of molten metal. The mold defines a mold |
| 6576071 |
High toughness plate alloy for aerospace applications |
June 10, 2003 |
| The present invention is directed to highly controlled alloy composition relationship of a high purity Al--Mg--Cu alloy within the 2000 series aluminum alloys as defined by the Aluminum Association, wherein significant improvements are revealed in fracture toughness through plane str |
| 6569601 |
Radiation treatable printing plate |
May 27, 2003 |
| A printing plate for computer-to plate lithography having a laser-ablatable member supported by a substrate. At least one portion of the laser-ablatable member is formed form an acrylic polymer containing laser-sensitive particles. The laser-sensitive particles absorb imaging radiati |
| 6569379 |
Ceramic core spacer blocks for high temperature preheat cycles |
May 27, 2003 |
| A spacer member in a furnace including an aluminum tube containing a ceramic material. The ceramic material provides high compressive strength and the composite product resists high temperature creep. |
| 6560845 |
Prefinished deformable metal reflector sheet |
May 13, 2003 |
| A prefinished curved reflector suitable for use in recessed lighting, downlighting, head lamps, and tail lamps is made from metal sheet, preferably an aluminum alloy sheet. An outer surface of the metal sheet is either anodized, laminated, or polymer coated to provide desired appeara |
| 6558526 |
Method of converting Hall-Heroult cells to inert anode cells for aluminum production |
May 6, 2003 |
| A method is provided for retrofitting conventional aluminum smelting cells with inert anode assemblies which replace the consumable carbon anodes of the cell. The inert anode assemblies are pre-heated prior to introduction into the operating cell. Insulation may be installed for reducing |
| 6555251 |
Multi-layer, heat treatable brazing sheet with aluminum interlayer |
April 29, 2003 |
| A four layer composite including a first interliner positioned between a 4xxx series braze clad and a core alloy and a second interliner positioned on the opposite side of the core alloy from the first interliner. At least one of the first and second interliners has higher amounts of Si |
| 6551664 |
Method for making aluminum sheet and plate products more wear resistant |
April 22, 2003 |
| A method for making an aluminum substrate that is subjected to repeated impaction more wear resistant. The method comprises applying at least about 0.005 inch thick coating of an amorphous composition directly to only portions of this substrate, preferably after it is shaped into a p |
