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Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 7618519 | Cathode element for use in an electrolytic cell intended for production of aluminum This invention relates to a cathode element for use in a pot of an electrolytic cell intended for production of aluminum. The cathode element comprises a cathode block and a steel connection bar. The connection bar includes at least one metal insert, whose electrica... | 11/17/2009 |
| 7175749 | Method and device for detecting anode effects of an electrolytic cell for aluminum production Process for early detection of an anode effect in an aluminum production cell based on molten salt electrolysis. The cell comprises at least one anode, at least one cathode and cathode connecting conductors and anode connecting conductors. The process comprises: | 02/13/2007 |
| 6551473 | Electrolytic cell arrangement for production of aluminum An arrangement of electrolysis pots suitable for use for the production of aluminum by igneous electrolysis according to the Hall-Heroult process with an electrolysis current with intensity Io is disclosed. The arrangement comprises juxtaposed zones inclu... | 04/22/2003 |
| 6221232 | Electrolytic refining method for gallium and apparatus for use in the method An electrolytic refining method for gallium by depositing refined gallium on a cathode in an electrolytic solution using a melted raw gallium material as an anode in an electrolytic cell is disclosed, comprising applying a centrifugal force to the melted ... | 04/24/2001 |
| 6136177 | Anode and cathode current monitoring The present invention provides a method and apparatus for determining the current densities in an alumina reduction cell by the measuring of magnetic fields without contact with the anodes or cathodes. The current density is modelled by determining the cu... | 10/24/2000 |
| 5830335 | Busbar arrangement for electrolytic cells An arrangement of busbars for conducting direct electric current via busbars from the cathode bar ends of a longitudinally arranged electrolytic cell--in particular for manufacturing aluminum--to the traverse beam ends of the next cell is such that a frac... | 11/03/1998 |
| 5240569 | Magnetically enhanced electrolysis cell system The system includes at least one electrolysis cell having a principal direction of current flow. The electrolysis cell has two electrode surfaces whose mean surface planes are substantially parallel, separated by a fluid electrolyte layer. Separate electr... | 08/31/1993 |
| 5062929 | Linings for aluminum reduction cells The amount of electrically conductive material in the bottom floor lining of a conventional aluminum reduction cell is reduced by using a non-conductive lining material in its place. The non-conductive material separates the remaining electrically conduct... | 11/05/1991 |
| 4976841 | Busbar arrangement for aluminum electrolytic cells Busbar arrangements for aluminum electrolytic cells. In a first aspect, the invention provides at least one generally horizontal collector busbar on each side of the cell and a number of current tapping points along each collector busbar so that current f... | 12/11/1990 |
| 4713161 | Device for connection between very high intensity electrolysis cells for the production of aluminium comprising a supply circuit and an independent circuit for correcting the magnetic field The invention relates to a circuit for electrical connection between two successive cells of a series or row, designed for the production of aluminium by electrolysis of alumina dissolved in molten cryolite by the Hall-Heroult process at an intensity of a... | 12/15/1987 |
| 4696730 | Circuit for the electrical connection of rows of electrolysis cells for the production of aluminum at very high current The invention relates to a circuit for electrical connection between the cells of a row designed for the production of aluminium by electrolysis, by the Hall-Heroult process. It is applied to rows of cells arranged transversely to the axis of the row oper... | 09/29/1987 |
| 4683047 | Busbar arrangement for aluminium electrolytic cells An aluminium potline comprises rows of reduction cells with the cells arranged transversely in each row. The invention provides an asymmetric arrangement of busbars (1, 1', 2, 2') for conducting current from the upstream collector bars 16 of an aluminium ... | 07/28/1987 |
| 4654133 | Hall-Heroult electrolysis tank with asymmetrical cathodic bars and heat insulation The invention concerns a tank for the production of aluminum using the Hall-Heroult process by the electrolysis of alumina in a molten cryolite-base bath in an assembly formed by the grouping in series of a plurality of aligned tanks, each tank being form... | 03/31/1987 |
| 4613418 | Aluminium reduction cells An aluminium reduction cell includes a potlining 16, which may be of alumina, with cathode current collectors 24, 32 embedded therein. The cell floor has an array of depressions 22 with at least one collector at the bottom of each depression. The depressi... | 09/23/1986 |
| 4592821 | Electrolysis tank with a current strength of greater than 250,000 amperes for the production of aluminum by means of the Hall-Heroult process The present invention concerns an electrolysis tank for the production of aluminum by means of the Hall-Heroult process, which operates at above 250,000 amperes, in particular from 270,000 to 320,000 amperes. The connection between each riser (7) and the anodi... | 06/03/1986 |
| 4474610 | Bus bar arrangement of electrolytic cells for producing aluminum In electrolytic cells for producing aluminum in a side-by-side arrangement, a number of cathode bus bars connected to cathode current collector bars projected from upstream long side of each electrolytic cell are connected to at least one rising bus bars ... | 10/02/1984 |
| 4474611 | Arrangement of busbars for electrolytic reduction cells An asymmetric arrangement of busbars for conducting direct electric current is conducted from the cathode bar ends of a transversely disposed aluminum fused salt reduction cell to the anode beam of the next cell wherein a fraction of the busbars connected... | 10/02/1984 |
| 4462885 | Conductor arrangement of electrolytic cells for producing aluminum A plurality of rectangular electrolytic cells are disposed in at least two rows of a side-by-side arrangement of cells. A first set of cathode bus bars extends along the outside of the short end of the cell facing the other row of cells. This set of bus b... | 07/31/1984 |
| 4431492 | Aluminum electrolytic cell arrays and method of supplying electric power to the same In an array of rectangular aluminum electrolytic cells, each cell is provided with a plurality of anode electrodes, a plurality of current collecting cathode bars parallel with shorter side walls and located at a bottom of the cell and a plurality of side... | 02/14/1984 |
| 4425200 | Method and apparatus for stabilizing aluminum metal layers in aluminum electrolytic cells In an aluminum electrolytic cell in which alumina is electrolyzed by electric current flowing between an anode electrode and a cathode electrode, ferromagnetic rods are disposed on the anode electrode in parallel with a shorter end wall of the cell. The f... | 01/10/1984 |
| 4397728 | Device for conducting electric current between electrolytic cells A device for conducting the electric current from the cathode of a hooded, transverse electrolytic cell to the anode of a neighboring cell via cathodically polarized carbon blocks in the pot of a cell, cathode bars and individual conductor bars wherein th... | 08/09/1983 |
| 4396483 | Arrangement of busbars for electrolytic reduction cells An arrangement of busbars leads the direct electric current from a transverse electrolytic cell in particular such a cell for producing aluminum, to the anode beam of the next cell. The self consistent magnetic field of the cell is almost completely compe... | 08/02/1983 |
| 4359377 | Busbar arrangement for electrolytic cells With end-to-end electrolytic cells, in particular cells for producing aluminum, high investment and operating costs are incurred by the arrangement of the busbars outside the cell. The magnetic fields produced by the busbars give rise to streaming of the ... | 11/16/1982 |
| 4316788 | Arrangement for compensating detrimental magnetic influence between two or more rows of longitudinally oriented electrolytic reduction cells, for aluminum Arrangement is disclosed for compensating detrimental magnetic influence on longitudinally oriented pots (U3) in a pot row, from the current in one or more adjacent pot rows, in plants for producing metal, for example aluminum, by electrolytic ... | 02/23/1982 |
| 4313811 | Arrangement of busbars for electrolytic cells The direct electric current from a transversely disposed electrolytic cell, in particular a cell for producing aluminum, is partly conducted under the cell before being led to the anode beam of the next cell. The aluminum busbars connected to the cathode ... | 02/02/1982 |
| 4270993 | Method of stabilizing an aluminum metal layer in an aluminum electrolytic cell A method of stabilizing an aluminum metal layer in an aluminum electrolytic cell where, in the interior of rectangular container of aluminum electrolytic cell, cell currents supplied from anode buses in the upper part of said electrolytic cell are drawn o... | 06/02/1981 |
| 4261807 | Asymmetrical arrangement of busbars for electrolytic cells Longitudinally arranged electrolytic cells for the production of aluminum in particular, incur high investment and operating costs due to the arrangement of the busbars outside the cells. These busbars induce magnetic fields which in turn cause stirring e... | 04/14/1981 |
| 4250012 | System of current supply buses for aluminum-producing electrolyzers Disclosed is a system of current-supply buses for aluminum-producing electrolyzers arranged transversely in a row and spaced from each other. The system comprises cathode stacks, anode risers installed in the spaces provided between the electrolyzers, and... | 02/10/1981 |
| 4224127 | Electrolytic reduction cell with compensating components in its magnetic field The electric current leaving an electrolytic aluminum reduction cell leaves the long sides of the cell via cathode bars connected to at least four asymmetrical busbars which lead to the anode beam of the next cell. These busbars which lead the current off... | 09/23/1980 |
| 4211626 | Dual current supply system for aluminum-producing electrolyzers A dual current supply system for aluminum-producing electrolyzers longitudinally arranged in a series-connected row comprises at least four anode risers in each space between next-adjacent electrolyzers. The system includes anode systems and anode buses e... | 07/08/1980 |
| 4210514 | Process for reducing the magnetic disturbances in series of high-intensity electrolysis tanks The invention concerns a process for reducing magnetic disturbances in series of electrolysis tanks operating at high current strength. The process comprises passing the negative connecting conductors between the tanks and fixing the distribution of current be... | 07/01/1980 |
| 4200513 | Device for reducing magnetic disturbances in series of very high intensity electrolysis cells The invention relates to a device for reducing magnetic disturbances in a series of very high intensity electrolysis cells. The device is characterized by the supply of an anode bus bar both through its two ends and through at least one central riser supp... | 04/29/1980 |
| 4196067 | Absorption of magnetic field lines in electrolytic reduction cells The vertical magnetic force lines in electrolytic reduction cells, in particular in cells for the production of aluminum, are absorbed by a device comprising the steel pot shell and a covering which covers the upper part of the cell and is magnetically co... | 04/01/1980 |
| 4194958 | Arrangement for compensating for detrimental magnetic influence between two or more rows of transverse electrolytic pots or cells for producing aluminum, by electrolytic reduction An arrangement is provided for compensation for detrimental magnetic influence between two or more rows of transverse electrolytic pots or cells for producing aluminum, by electrolytic reduction in a molten bath, in which most of the current conducted fro... | 03/25/1980 |
| 4189368 | System of busbars for aluminium-producing electrolyzers A system of busbars for aluminium-producing electrolyzers located at the ends of groups of series-connected electrolyzers arranged lengthwise in at least two parallel rows, incorporates stacks of cathode buses located to the left and to the right of a lon... | 02/19/1980 |
| 4176037 | Conductor arrangement for compensating for horizontal magnetic fields in pots containing a molten electrolytic bath An arrangement is provided for compensating for detrimental magnetic horizontal fields at the plus or upstream end of longitudinally oriented pots in plants for melt-electrolytic production of aluminium, in particular where compensation for vertical magne... | 11/27/1979 |
| 4169034 | Means of compensating the magnetic field induced by the adjacent line in series of high intensity electrolysis cells A means of compensating the magnetic field induced by the adjacent line in series of high intensity electrolysis cells placed in a transverse direction. A compensating conductor traversed by a direct current which induces an antagonistic field neutralizin... | 09/25/1979 |
| 4132621 | Method of improving the current supply of electrolysis cells aligned in a lengthwise direction The invention relates to a method of improving the current supply of electrolysis cells such as used in the production of aluminum by igneous electrolysis of alumina dissolved in cryolite, in which the cells are aligned in a lengthwise direction, allowing... | 01/02/1979 |
| 4049528 | Method and a device for the supply of electric current to transverse igneous electrolysis tanks to minimize effects of magnetic fields The invention relates to a method and a device for supplying electric current to igneous electrolysis tanks. According to the method, each element, front and rear, of the upstream collector is divided into two parts, one end part 19-20 and the other the c... | 09/20/1977 |
| 3969213 | Aluminum electrolytic cells Electromagnetic effects are optimized in a rectangular aluminum reduction cell arranged in series in a row of such cells with the cathode collector bars thereof extending through the cell cathode parallel to the row length by utilizing generally L-shaped ... | 07/13/1976 |
