Company Filing History:
2 out of 83 
1 out of 28 
Years Active: 1976
Title: The Innovative Contributions of Bengt Fredriksson
Introduction
Bengt Fredriksson is a notable inventor based in Vasteras, Sweden. He has made significant contributions to the field of metal processing through his innovative patents. With a total of three patents to his name, Fredriksson's work showcases his expertise and creativity in developing advanced technologies.
Latest Patents
One of Fredriksson's latest patents is a melt casting apparatus. This apparatus comprises a vessel designed to contain molten metal, featuring a wall portion with a downwardly pointing melt tapping hole. The vessel is capable of tilting, allowing the wall portion to be raised and lowered. A fountain is integrated into the design, receiving the melt when aligned with the tapping hole and connecting to the bottom of a mold. The apparatus includes a gas-tight elastically deflectible sealing means that interconnects the tapping hole and the fountain top when the wall portion is lowered. This sealing means is designed in two parts that flexibly engage, ensuring a secure connection during operation. Additionally, the sealing means is equipped with a gas passage, enabling the tapping metal stream to be evacuated for degassing or surrounded by an inert gas.
Another significant patent by Fredriksson is a method for treating molten metal. This method involves a converter equipped with an induction heater, where the heating space opens into the lowermost portion of the converter compartment. The process includes injecting a mixture of solid treating