| Patent Number |
Title Of Patent |
Date Issued |
| 4847334 |
Water-based polyester coating compositions containing an alkylated amino resin and a water dispe |
July 11, 1989 |
| Coating compositions suitable for use as coatings or inks for metallic foils, such as aluminum foil, as well as for use on other materials, such as papers and plastics resin films, are disclosed. These compositions comprise a water dispersible polyester resin, an alkylated amino resin, a |
| 4830682 |
Process for producing aluminum-lithium alloys having improved superplastic properties |
May 16, 1989 |
| A process for improving the properties of an aluminum-lithium product formed from a slab, such as an ingot or billet, of an aluminum-lithium alloy. Improved properties include superplastic response, reduced edge cracking during rolling, and reduced formation of stains during annealing. |
| 4828794 |
Corrosion resistant aluminum material |
May 9, 1989 |
| An aluminum core alloy for use in the manufacture of brazed heat exchanger assemblies having high resistance to corrosion and moderate strength. A preferred composition of the aluminum base alloy consists of from 0.13 to 0.22% titanium, from 0.8 to 1.5% manganese, 0.4 to 0.6% copper, up |
| 4817801 |
Two piece package for paper baking cups |
April 4, 1989 |
| A two-piece package for paper baking cups of conventional manufacture includes a plastic container having a base provided by a planar annular section with outer circumference and a recessed, circular inner portion and a shaped sidewall extending generally axially from the base outer |
| 4805019 |
Non-contact apparatus and method for measuring the length of aluminum sheet and plate |
February 14, 1989 |
| An apparatus and method for measuring the length and/or width of a piece of material, such as hot aluminum plate. The apparatus has a measuring range defined by a plurality of cameras. A video screen is selectively connectable to the cameras to depict their viewing ranges. The apparatus, |
| 4793510 |
Resealable container closure |
December 27, 1988 |
| A resealable closure device for use on metallic cans includes a metallic end wall having an opening surrounded by an upwardly extending and outwardly flaring beaded flange. The flexible closure element includes a central panel, a lever portion and a connecting portion connecting the |
| 4784733 |
Recycling of spent potliner |
November 15, 1988 |
| A method is disclosed for recycling spent potliner carbon from an aluminum reduction cell. The spent potliner is treated so as to avoid the cracking problem normally seen when the potliner is used in substantial amounts in Soderberg anodes. |
| 4783497 |
Water-based polyester coating compositions containing an alkylated amino resin |
November 8, 1988 |
| Coating compositions suitable for use as coatings or inks for metallic foils, such as aluminum foil, as well as for use on other materials, such as papers and plastics resin films, are disclosed. These compositions comprise a water dispersable polyester resin, an alkylated amino resin an |
| 4778699 |
Plastics film laminates |
October 18, 1988 |
| Multi-layer plastics film laminate structures are disclosed. These structures have particular utility as inner and outer layers of multi-layer bag structures or as single layer bag structures, particularly for use in bag-in-box applications. |
| 4758359 |
Aqueous metal working lubricant containing a complex phosphate ester |
July 19, 1988 |
| Metal working lubricants consisting essentially of water and complex organic phosphate esters are disclosed. These compositions offer simplified compositions while maintaining the desired properties of more complex systems. |
| 4752384 |
Method for recycling cans |
June 21, 1988 |
| A method and apparatus for recycling cans is disclosed. Discrimination of overweight conductive material from acceptable conductive materials from a mixed material input, while maintaining a high level of acceptable material recovery is achieved by control of the input to the separation |
| 4752328 |
Spent salt flux recycling |
June 21, 1988 |
| Spent salt flux from aluminum production has its oxides, aluminum and salt components recovered by dissolving the soluble components in water and evaporating the water to recover the salt components thereof while screening and crushing the insoluble components to separate the aluminum |
| 4750668 |
Multiple product wrapping sheet |
June 14, 1988 |
| A wrapping sheet material for multiple products, such as related fast food items, is disclosed. The wrapping sheet material of the present invention permits up to four separate items to be wrapped with the same wrapping sheet material while maintaining identification of the individual |
| 4748816 |
Method for thermally treating filled cans |
June 7, 1988 |
| A method is described for cooling or heating hot filled containers, such as metallic cans. The apparatus employs countercurrent flow between the containers and a water trough and uses axial shaking and the physics of the containers to promote cooling or heating. |
| 4743834 |
Circuit for controlling and regulating power input to a load from an AC voltage supply |
May 10, 1988 |
| A circuit for controlling power to a load from an AC voltage supply is disclosed. The circuit permits power input to begin at any point either the positive, negative or both halfwaves of an AC waveform and compensates for variations in the AC voltage supply to provide the same power leve |
| 4741166 |
Liquified gas subcooler and pressure regulator |
May 3, 1988 |
| An apparatus is disclosed for regulating a liquified gas input stream for temperature and pressure. The apparatus produces a pressurized head of liquified gas while removing gaseous material to produce a constant temperature and pressure liquified gas exit stream. |
| 4735669 |
Rolling of metallic foil and plastics resin film laminates |
April 5, 1988 |
| A method is disclosed for forming laminates of plastics resin films and metallic foils. The plastics resin film is adhesively bonded to the metallic foil. The bonded laminate is then rolled under pressure to thin both the plastics resin film and metallic foil layers. In addition to r |
| 4721917 |
Coating continuity detector |
January 26, 1988 |
| A method and apparatus are disclosed for detecting the continuity of nonconductive coatings on conductive web materials, such as rolls of metallic foils. The coated side of the sheet material web contacts a conductive surface and electrical resistance of the coating is measured. The |
| 4710068 |
Air conveyor |
December 1, 1987 |
| An air conveying mechanism for transporting articles along a conveying surface is disclosed. The conveying surface includes a plurality of air jets in fluid flow relation with a plenum. An air accelerator hood is provided adjacent the entry point of the articles onto the conveyor to |
| 4680073 |
Method and apparatus for heat sealing |
July 14, 1987 |
| A method and apparatus for heat sealing are disclosed. A fin seal is formed along the edge of the film, with the seal being trimmed immediately after being formed, and while still warm and in registry. |
| 4673478 |
Alumina reduction cell |
June 16, 1987 |
| An improved alumina reduction cell is disclosed. The anode channels through which the anode pins are located include openings for the pins which locate the pins to conform more closely to the carbon bake-out zone and line of constant current distribution of the cell. |
| 4669278 |
Freezer system |
June 2, 1987 |
| A freezer system for food products, such as frozen confectioneries and the like, is discosed. Fresh air is supplied to the main chamber of the freezer through an ante room where moisture within the entry air is removed. The products are carried on a conveyor mechanism which does not |
| 4654155 |
Microemulsion lubricant |
March 31, 1987 |
| An improved water-emulsifiable metal-working lubricant is disclosed which consists essentially of water, a complex organic phosphate ester, an amine, a polyoxyalkylated animal or vegetable oil product, one or more polyol and/or polyalkylene glycol esters and a polyalkylene glycol pol |
| 4654130 |
Method for improved alumina control in aluminum electrolytic cells employing point feeders |
March 31, 1987 |
| The present invention describes a method for controlling alumina additions to reduction cells employing point feeders referred to as automatic feed. Automatic feed reduces the possibility of operating the cell at either too low or too high levels of alumina in the bath, and eliminates al |
| 4651911 |
Roll material dispenser carton |
March 24, 1987 |
| A dispenser carton for roll products, such as plastics resin film or metallic foil, is disclosed. The carton includes an integral cutting blade which may be locked into position during operation of the carton and which may also be stored within the carton during transport or storage of t |
| 4649087 |
Corrosion resistant aluminum brazing sheet |
March 10, 1987 |
| An aluminum core alloy for use in the manufacture of brazed heat exchanger assemblies having high resistance to corrosion and moderate strength. A preferred composition of the aluminum base alloy consists of from 0.13 to 0.22% titanium, from 0.8 to 1.5% manganese, 0.4 to 0.6% copper, up |
| 4637260 |
Can end tester |
January 20, 1987 |
| An apparatus is disclosed for testing easy-open can ends. The apparatus orients the ends, opens the ends, tests the ends to assure that opening has occurred and separates defective ends which have not successfully opened from acceptable ends. |
| 4636321 |
Water soluble lubricant |
January 13, 1987 |
| An improved water soluble metal working lubricant concentrate is disclosed. The lubricant concentrate consists essentially of a polyalkylene glycol polymer, an ethoxylated carboxylic acid or alcohol, a complex organic phosphate ester, an alkanolamine and water. |
| 4632271 |
Resealable container closure |
December 30, 1986 |
| A resealable closure device for use on metallic cans is disclosed. The closure device comprises a metallic end including a flanged opening therein and a molded rubber or plastic element which is molded in an "inverted umbrella" position and which is capable of being inverted upon its |
| 4631121 |
Alumina reduction cell |
December 23, 1986 |
| An improved alumina reduction cell is described in which the carbonaceous cathode includes refractory hard metal shapes projecting upwardly from the cell surface thereof, forming the true cathode surface, and permanently mounted and replaceable protective sleeves formed of inert refracto |
| 4627236 |
Apparatus and method for controlling the speed of rotation of shaft |
December 9, 1986 |
| An apparatus and method for controlling the speed of rotation of a shaft. A sensor senses the speed of rotation and generates a first signal representative of the sensed speed. A controller compares the first signal with a second signal representative of a predetermined speed and generat |
| 4607179 |
Gaseous electrode for MHD generator |
August 19, 1986 |
| A gaseous electrode for a magnetohydrodynamic generator is positioned at an angle with respect to the MHD magnetic field thereby causing an arc to move both circumferentially and longitudinally about an inner electrode element within a cavity so that a gas passed through the arc is ioniz |
| 4591419 |
Protective barrier for alumina reduction cells |
May 27, 1986 |
| A protective barrier for alumina reduction cell cathodes is disclosed. This barrier layer comprises a layer of borosilicate glass which may optionally be surrounded by layers of alumina silicate glass. The barrier prevents cryolitic salts from attacking the reduction cell insulation, pre |
| 4589270 |
Hydraulic bottom former |
May 20, 1986 |
| An improved bottom former for a draw and iron can-making apparatus is disclosed. The improved bottom former includes a hydraulically pressurized base-forming die unit. This die unit provides increased pressure and improved results, as compared with conventional bottom formers, especially |
| 4581915 |
Hydraulic cup holder |
April 15, 1986 |
| A hydraulic cup holder for use in a draw and iron can making press is disclosed. This cup holder produces increased pressure between the cup being reformed and its holding members, reducing the tendency for wrinkles to occur in reforming the cup into a can body. |
| 4576289 |
Method and apparatus for recycling cans |
March 18, 1986 |
| A method and apparatus for recycling cans is disclosed. After separating magnetic material from the material input and separating conductive material from the remainder of the material input, overweight magnetic and/or conductive material is removed. The remaining metallic portions are |
| 4574975 |
Resealable container closure |
March 11, 1986 |
| A resealable closure device for use on metallic cans is disclosed. The closure device comprises a metallic end including a flanged opening therein and a molded rubber or plastic element which is molded in an "inverted umbrella" position and which is capable of being inverted upon its |
| 4561958 |
Alumina reduction cell |
December 31, 1985 |
| An improved alumina reduction cell is disclosed. Vapor barriers, formed from a castable refractory and a silicon carbide mortar protect the bottom and sidewall insulation material of the cell from attack by the corrosive materials contained within the cell. |
| 4555493 |
Aluminosilicate ceramic proppant for gas and oil well fracturing and method of forming same |
November 26, 1985 |
| An aluminosilicate ceramic product or article and a method of forming the article from as-mined ore. The product is useful as a proppant in gas and oil well fracturing. The ratio, on a calcined basis, of alumina to silica is between approximately 2.2 to 4.0. The amount of iron in the pro |
| 4545842 |
Method for adhesive bonding of aluminum |
October 8, 1985 |
| A method is disclosed for laminating plastics resin films to aluminum. The aluminum surface to be bonded is treated with a coating composition consisting essentially of an aqueous solution of polyacrylic acid or esters thereof and at least one acid selected from the group consisting of |
| 4544314 |
Can end divider |
October 1, 1985 |
| An apparatus is disclosed for dividing a single stick of can ends into a pair of can end sticks. The apparatus includes a pair of driven groved roll wheels between which the can ends are separated and fed in a pair of intermeshed star wheels for receiving the can ends and separating them |
| 4529471 |
Apparatus for heat sealing |
July 16, 1985 |
| An apparatus for lap sealing plastics resin films is disclosed. The apparatus includes a heated and driven belt and a back-up plate. The belt may be driven independently of the film, such that its speed need not equal that of the film. The back-up plate includes a finger means for or |
| 4528042 |
Method for producing superplastic aluminum alloys |
July 9, 1985 |
| A method for producing superplastic aluminum alloys, including a hot/warm rolling operation is disclosed. Use of this method eliminates the need for overaging the material prior to rolling. |
| 4519489 |
Can end sampler |
May 28, 1985 |
| An apparatus for sampling can ends from a can end forming line is disclosed. The device includes first and second chutes and deflectors for deflecting can ends between the chutes. An optional door may be provided as a portion of one of the chutes to further deflect certain ends from the |
| 4516383 |
Method and apparatus for packaging containers |
May 14, 1985 |
| A method and apparatus are disclosed for packaging containers in cardboard trays with a surrounding plastics resin film. The trays are formed with apertures in each corner thereof, and holes are burned in the plastics resin film, after the package is formed, in registry with the aperture |
| 4515284 |
Can body bottom configuration |
May 7, 1985 |
| A can body is disclosed which includes a bottom configuration designed to provide structural strength to the can body, thus permitting reductions in metal usage. The bottom configuration comprises three convex semi-torroidal portions which are connected to the sidewall of the can, a |
| 4506146 |
Wire temperature controller |
March 19, 1985 |
| A method and apparatus are described for controlling the temperature of a heated wire, such as on a wire sealer for plastic film. Temperature control is based upon measurements of changes in the resistance of the wire as it is heated, through bridge circuit and microprocessor techniq |
| 4505370 |
Method for recycling cans |
March 19, 1985 |
| A method and apparatus for recycling cans is disclosed. Magnetic material comprising mostly steel cans is separated from a material input. Conductive material, comprising mostly aluminum cans, is then separated from the balance of the material input. The conductive material is weighed |
| 4498966 |
Alumina reduction cell |
February 12, 1985 |
| An alumina reduction cell is described in which a bed of holow refractory hard metal (RHM) shapes form a packed cathode bed above the carbonaceous cell cathode and within the molten aluminum pad. This packed bed permits free flow of the molten aluminum and reduces RHM material usage as |
| 4498575 |
Method and apparatus for conveying articles |
February 12, 1985 |
| A method and apparatus for conveying articles comprises a conveying surface, baffles for orienting the articles as they pass along the conveying surface into columns and a controller for selectively permitting articles from one of the columns to pass further along the conveying surfa |
