| Patent Number |
Title Of Patent |
Date Issued |
| 5480496 |
Method of making twin roll cast clad material using drag cast liner stock and article produced t |
January 2, 1996 |
| A method of making twin roll cast clad material includes producing a composite material using a liner stock produced by drag casting techniques. The drag cast liner stock can be directly used in a twin roll continuous casting process without additional process steps such as heat trea |
| 5477977 |
Thin-walled can having a nestable/stackable bottom support ring |
December 26, 1995 |
| A thin-walled metal container is formed with a bottom wall which is substantially flat and connected to a container side wall through a curved wall portion located at the periphery of the flat bottom wall. A stacking support member is attached to the lower surface of the bottom wall to |
| 5472243 |
Fluted tube joint |
December 5, 1995 |
| A method of forming a tube joint which can be used in a desalination plant includes providing a fluted tube, applying a sealant to the tube end and inserting the tube end into a tube sheet or plate to form a joint therebetween. After insertion, the inner surface of the fluted tube is |
| 5469968 |
Peel-peel-push childproof packaging structure |
November 28, 1995 |
| A childproof covering of a blister pack, e.g., one used to contain and vend tablets of medication, is heat-sealed to an element containing recesses for containing the tablets. The heat sealing disposes a frangible foil over the tablets, and provides two successive peelably adhered layers |
| 5469911 |
Method for improving surface quality of electromagnetically cast aluminum alloys and products th |
November 28, 1995 |
| A method for improving the surface quality of electromagnetically cast aluminum alloy ingot includes the addition of an effective amount of calcium prior to the ingot head of an ingot mold of an electromagnetic casting station. The addition of calcium is regulated such that the alumi |
| 5468053 |
Energy absorbing beam construction for use with vehicle seat belt restraining systems |
November 21, 1995 |
| An energy absorbing beam construction for use in vehicle seat belt restraining systems includes an energy absorbing beam which is mounted or fastened to a vehicle frame or vehicle seat frame. The seat belt retracting mechanism or belt buckle end of the seat belt restraining system ca |
| 5466312 |
Method for making aluminum foil and cast strip stock for aluminum foilmaking and products theref |
November 14, 1995 |
| A method for making aluminum foil comprises providing an aluminum-based alloy composition consisting essentially of about 0.05 to 0.20 weight percent silicon, about 0.02 to 0.50 weight percent iron, about 0.05 to 0.30 weight percent copper and balance aluminum and inevitable impurities |
| 5466210 |
Apparatus for opening tube material |
November 14, 1995 |
| A tube material opening apparatus includes two pairs of rotatable wheels which are positioned at upstream and downstream locations within tube material. The peripheral edge of each rotatable wheel is rounded or tapered and contacts the inner surface of the tube material as the materi |
| 5465599 |
Can flanger having base pad with stop spacer arrangement determining a working spring gap |
November 14, 1995 |
| A flanging apparatus includes a flanging head assembly having a cluster of freely rotatable spin flanging rollers and a stop ring against which the flange hits during the final flange forming stages to limit the flange to a specific diameter. To prevent the flange from entering the crack |
| 5441166 |
Dome cover for tray or pan |
August 15, 1995 |
| A cover or lid of lightweight relatively flexible material including a circular top having a plurality of first planar segments circumferentially spaced along the circular top. Each first planar segment is connected to an adjoining first planar segment by a plurality of first inclined |
| 5440961 |
Film cutting apparatus and method |
August 15, 1995 |
| A film cutting apparatus includes a guide having a clip for attachment to a film material container and a cutting device designed to travel along said guide to sever the film material in predetermined lengths. The cutting device includes two pairs of guide wheels designed to travel in a |
| 5439539 |
Computer controlled heat-sealing machine |
August 8, 1995 |
| A computer controlled, laboratory heat-sealing machine is employed as a quality control device to ensure that adequate heat seals are formed under pre-defined and outputted pressure, dwell time and temperature parameters. The apparatus includes sensors for monitoring temperature and pres |
| 5439536 |
Method of minimizing strength anisotropy in aluminum-lithium alloy wrought product by cold rolli |
August 8, 1995 |
| Strength anisotropy of aluminum-lithium alloy wrought products is reduced by subjecting these types of alloys to improved T8 temper practice. The wrought product, after solution heat treating and quenching, is subjected to a combination of cold rolling and stretching steps prior to aging |
| 5438883 |
Computer controlled heat-sealing machine |
August 8, 1995 |
| A computer controlled, laboratory heat-sealing machine is employed as a quality control device to ensure that adequate heat seals are formed under pre-defined and outputted pressure, dwell time and temperature parameters. The apparatus includes sensors for monitoring temperature and pres |
| 5435528 |
Porous plug structure for aluminum furances |
July 25, 1995 |
| A porous plug assembly for use in a vessel containing molten metal, such as a melting furnace or a holding furnace, for introducing fluxing or other gases into the molten metal. The porous plug assembly includes a frustoconical porous refractory core member that is enclosed around its |
| 5423922 |
Delacquering of aluminum cans for recycling |
June 13, 1995 |
| Aluminum can stock is delacquered by treatment with a composition comprising a mixture of a polyalkylene glycol polymer and an aqueous solution of a dicarboxylic acid such as oxalic acid. The cans are cleaned sufficiently for recycling and the solution can be reused to delacquer addi |
| 5421480 |
Thin-walled can having a displaceable bottom |
June 6, 1995 |
| A thin-walled metal container is formed with a bottom wall having a substantially flat central panel connected to a curved wall portion through an annular, inclined flat or frustum wall portion. The curved wall portion joins the container side wall and is defined by the base radius. |
| 5415220 |
Direct chill casting of aluminum-lithium alloys under salt cover |
May 16, 1995 |
| Casting aluminum-lithium based alloys under a salt cover involves forming a molten aluminum-lithium alloy, transferring the molten aluminum-lithium alloy to a casting station, and direct chill casting the aluminum-lithium alloy, wherein a protective molten salt cover comprising a mixture |
| 5403427 |
Seal bar |
April 4, 1995 |
| A seal bar for cutting and sealing plastic films about wrapped products comprises a laminated seal bar arrangement in which seal bar halves with a cutting knife, heating element and temperature sensor therebetween are adhesively secured together with a heat cured epoxy. The seal bar halv |
| 5393357 |
Method of minimizing strength anisotropy in aluminum-lithium alloy wrought product by cold rolli |
February 28, 1995 |
| Strength anisotropy of aluminum-lithium alloy wrought products is reduced by subjecting these types of alloys to improved T8 temper practice. The wrought product, after solution heat treating and quenching, is subjected to a combination of cold rolling and stretching steps prior to aging |
| 5389165 |
Low density, high strength Al-Li alloy having high toughness at elevated temperatures |
February 14, 1995 |
| An aluminum-based alloy useful in aircraft and aerospace structures which has low density, high strength and high fracture toughness consists essentially of the following formula:wherein a, b, c, d, e and bal indicate the amount in wt. % of alloying components, and wherein 2.8<a<3. |
| 5383986 |
Method of improving transverse direction mechanical properties of aluminum-lithium alloy wrought |
January 24, 1995 |
| Strength and ductility for a aluminum-lithium alloy wrought product in the transverse direction is improved by subjecting these types of alloys to improved T8 temper practice. The wrought product, after solution heat treating and quenching is subjected to a multiple step stretching seque |
| 5380416 |
Aluminum reduction cell carbon anode power connector |
January 10, 1995 |
| An electrical connector for use in an aluminum reduction cell is disclosed. The portion of the connector extending into the carbon anode block is formed from a steel alloy having at least about 0.8% by weight chromium and having electrical resistivity characteristics close to those of mi |
| 5376192 |
High strength, high toughness aluminum-copper-magnesium-type aluminum alloy |
December 27, 1994 |
| An aluminum-based alloy composition having improved combinations of strength and fracture toughness consists essentially of 2.5-5.5 percent copper, 0.10-2.30 percent magnesium, with minor amounts of grain refining elements, dispersoid additions and impurities and the balance aluminum. |
| 5372494 |
Adjustable perforating roller for sheet material |
December 13, 1994 |
| An apparatus for perforating packaging film which includes a cylindrical roller which is rotatable about a longitudinal axis. Bearings are mounted to each end of the roller to facilitate rotation. A number of longitudinal, circumferentially spaced grooves are formed in the outer surf |
| 5366093 |
Apparatus for separating particulate materials |
November 22, 1994 |
| Apparatus for separating heavier, undesired components from recycle material that includes used aluminum beverage cans. The apparatus includes a particle separation conduit that is positioned between a shredder, for reducing the recycle material to particulate form, and a suction blower, |
| 5365858 |
Plastic pallet incorporating electrostatic discharge element |
November 22, 1994 |
| A plastic pallet having an upper, article-receiving and supporting surface and a lower surface in contact with the ground. The pallet includes a conductive element that extends from the upper surface to the lower surface to define a continuous conductive path between the surfaces to |
| 5349836 |
Method and apparatus for minimizing plug diameter variation in spin flow necking process |
September 27, 1994 |
| A method and apparatus for spin flow necking-in a D&I can is disclosed wherein an externally located free spinning form roll is moved radially inward and axially against the outside wall of the open end of a trimmed can. A spring loaded interior support slide roll moves under the forming |
| 5343932 |
System for feeding molten metal stream to continuous strand caster |
September 6, 1994 |
| Molten metal fed to a rotating casting wheel is controlled by a vertical pouring spout feeding a tundish below it, a trough from the tundish to the wheel, a sensor to detect the level of metal in the trough, a pin controlled by the sensor to adjust flow through the spout, and a foram |
| 5342485 |
Process for preparing ultra-white alumina trihydrate |
August 30, 1994 |
| A process for preparing an ultra-white alumina trihydrate having a G.E. brightness of at least about 98%. The product is alumina trihydrate that has been rehydrated with coprecipitation, and the crystal phase of the product is primarily gibbsite in thin platelet form having a ratio of |
| 5342428 |
Separation of free lead from aluminum beverage cans |
August 30, 1994 |
| A method for removing free lead from a feed stream of used aluminum beverage cans (UBC) to reduce the total lead content of the feed stream. The UBC material is shredded, heated to a temperature above the lead melting point, and agitated to cause the molten lead to fragment and form |
| 5341667 |
Container bottom wall reforming apparatus and method |
August 30, 1994 |
| A container is formed with a bottom wall comprising a central panel and a resting radius formed from an annular wall depending downwardly from the central panel periphery and then outwardly and upwardly to join the container side wall. A method is disclosed which reduces the resting |
| 5339886 |
Method and apparatus for trimming edge scrap from continuously cast metal strip |
August 23, 1994 |
| A method and apparatus for trimming edge scrap from continuously cast metal strip includes an edge trimming device in combination with a drag casting apparatus for producing aluminum or aluminum alloy cast strip. The edge trimming device includes a tool which marks the casting surface of |
| 5333668 |
Process for creation of metallurgically bonded inserts cast-in-place in a cast aluminum article |
August 2, 1994 |
| Processes for coating a ferrous or aluminum article, such as an engine cylinder liner insert, to provide a metallurgical bond with aluminum alloy material cast around the article. The article surface to be bonded is treated to remove impurities, oxides, and foreign materials, and the |
| 5331836 |
Method and apparatus for forming can ends |
July 26, 1994 |
| Method and apparatus for forming can ends is disclosed wherein ends are blank from sheet material and formed in a die in which the completed end is formed and removed from the die at a vertical position below the blanking position. Formation and removal of the end beneath the cut line |
| 5322586 |
Computer controller heat-sealing machine |
June 21, 1994 |
| A computer controlled, laboratory heat-sealing machine is employed as a quality control device to ensure that adequate heat seals are formed under pre-defined and outputted pressure, dwell time and temperature parameters. The apparatus includes sensors for monitoring temperature and pres |
| 5312498 |
Method of producing an aluminum-zinc-magnesium-copper alloy having improved exfoliation resistan |
May 17, 1994 |
| A method of producing an aluminum-based alloy product having improved exfoliation resistance and fracture toughness which comprises providing an aluminum-based alloy composition consisting essentially of about 5.5-10.0% by weight of zinc, about 1.75-2.6% by weight of magnesium, about 1.8 |
| 5303903 |
Air cooled molten metal pump frame |
April 19, 1994 |
| An air cooled molten metal pump frame includes a base structure and molten metal pump supporting structure comprising tubular members to facilitate flow of cooling air therethrough. The cooling air flowing through the molten metal pump frame provides cooling to the pump frame to minimize |
| 5297414 |
Method for necking containers |
March 29, 1994 |
| A method of die-necking the open end of a can body to form a reduced diameter neck having a smooth profile comprising first forming a reduced diameter control neck at the open end of the sidewall of the can body, and then totally reforming the control neck and the adjacent portion of the |
| 5291939 |
Start-up method and apparatus for continuous casting of metal into strip product |
March 8, 1994 |
| A start-up method and apparatus for continuous casting of molten metal into a cast strip product includes initially casting a start-up alloy having sufficient strength, flexibility and casting surface release properties to achieve steady state casting conditions. A target alloy follows t |
| 5288538 |
Expandable honeycomb core structural member |
February 22, 1994 |
| An expandable structural member comprises two outer skin members, a plastically deformable reinforcing layer arranged between the two outer skin members, and a foamable polymer composition coated on at least one of each adjacent surface of the reinforcing layer and the respective outer |
| 5286359 |
Alumina reduction cell |
February 15, 1994 |
| An electrolysis cell for producing metals by electrolytic reduction of molten baths which includes non-consumable inert anodes and refractory hard metal cathode elements. The cathode elements are replaceably mounted in the electrolysis cell and have inclined planar working surfaces which |
| 5286316 |
High extrudability, high corrosion resistant aluminum-manganese-titanium type aluminum alloy and |
February 15, 1994 |
| An aluminum-based alloy composition having improved corrosion resistance and high extrudability consists essentially of about 0.1-0.5% by weight of manganese, about 0.05-0.12% by weight of silicon, about 0.10-0.20% by weight of titanium, about 0.15-0.25% by weight of iron and the balance |
| 5282375 |
Spin flow necking apparatus and method of handling cans therein |
February 1, 1994 |
| A multi-station machine for necking-in the open end of a metal container body includes a plurality of necking spindle assemblies mounted at circumferentially spaced locations on a tooling disc turret in coaxial alignment with corresponding base pad spindle assemblies mounted to a base |
| 5277745 |
Sever and seal bar having interchangeable inserts and blades |
January 11, 1994 |
| A heat seal bar used in a plastic film packaging machine for cutting and sealing plastic films about wrapped products is provided with an insert having sealing surfaces and a knife cutting edge which is removably mounted to the seal bar. A first rectangular portion of the insert is a |
| 5273594 |
Delaying final stretching for improved aluminum alloy plate properties |
December 28, 1993 |
| The present invention provides a method for improving aluminum alloy plate product properties by delaying final stretching of the plate product. During processing of the product, a time interval or intentional delay is provided between the final cold rolling step and the final stretching |
| 5272901 |
Apparatus for forming can ends |
December 28, 1993 |
| Method and apparatus for forming can ends is disclosed wherein ends are blank from sheet material and formed in a die in which the completed end is formed and removed from the die at a vertical position below the blanking position. Formation and removal of the end beneath the cut line |
| 5251686 |
Tundish outlet edge seal and riser for continuous casting apparatus and method |
October 12, 1993 |
| A method and apparatus for continuously casting metal includes a tundish having edge seals and risers positioned at an outlet portion thereof . The edge seals and risers are configured to reduce the depth of molten metal adjacent the tundish sidewalls such that a lesser volume of molten |
| 5249449 |
Can necking apparatus with spindle containing pressurizing gas reservoir |
October 5, 1993 |
| A method and machine for forming can necks in metal container bodies is disclosed. The machine comprises a pilot assembly coaxially situated and longitudinally movable with respect to and within a necking die member having an annular static die forming surface longitudinally advanced int |
| 5246116 |
Method and apparatus for separation and recovery of the components from foil-containing laminate |
September 21, 1993 |
| A method for the separation and recovery of foils, in particular aluminum foils, and the other components in waste foil-containing laminates includes subjecting the waste laminates to agitation in a heated polyalkylene glycol polymer solution. The thus heated mixture is cooled to per |
