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A/S Ardal og Sunndal Verk Patents |
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Assignee: A/S Ardal og Sunndal Verk
Address: Oslo, NO
No. of patents: 5
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4049248 |
Dynamic vacuum treatment |
September 20, 1977 |
| Method and apparatus for producing light metal alloys, in particular aluminum alloys, in which the desired alloying elements are first introduced into a vacuum furnace which is then evacuated, whereafter light metal melt is introduced into the furnace chamber by suction in the form o |
| 4045654 |
Electric hotplate with thermostat |
August 30, 1977 |
| An electric hotplate with a thermostat includes a heating plate which is joined to the surrounding cold zones by means of a bridge of relatively thin sheet metal. The actuating device for a thermostatic switch is operated by the vertical movement of the heating plate. This movement a |
| 4019973 |
Crust-breaking machine |
April 26, 1977 |
| A crust breaking machine includes a self-propelled carriage having front wheels and rear wheels, a crust-breaking tool of the continuously breaking type mounted on the carriage, and an arm provided on the carriage and adapted to support the tool. This arm is mounted for swinging movement |
| 3994481 |
Tapping carriage |
November 30, 1976 |
| A carriage with a crucible for tapping molten metal from aluminum electrolyzers and the like includes a movable tapping tube adapted to be inserted downwardly into the metal melt from which tapping shall take place, ejector means for sucking molten metal through the tapping tube, and |
| 3932100 |
Vibratory device |
January 13, 1976 |
| A device for moulding "green" blocks or electrodes for the manufacture of anode and cathode carbons for the smelting industries, with particular reference to the electrolytic smelting of aluminium, utilizing a vibratory or shaking motion, in which the paste which is to form the blocks or |
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