Location History:
- Hagfors, SE (1976)
- Borlange, SE (1976)
Company Filing History:
3 out of 83 
3 out of 28 
Years Active: 1976
Title: The Innovations of Karl-Erik Oberg
Introduction
Karl-Erik Oberg is a notable inventor based in Hagfors, Sweden. He has made significant contributions to the field of metal casting and alloy processing, holding a total of six patents. His work reflects a deep understanding of materials and innovative engineering solutions.
Latest Patents
One of Oberg's latest patents is a melt casting apparatus designed to improve the efficiency of metal casting processes. This apparatus features a vessel that contains the melt and includes a downwardly pointing melt tapping hole. The vessel can tilt, 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. The apparatus also includes a gas-tight elastically deflectible sealing means that connects the tapping hole and the fountain top, facilitating the evacuation of gases or the introduction of inert gases during the casting process.
Another significant patent involves a process for reducing the carbon content in iron, cobalt, or nickel-based alloys. This innovative method introduces essentially pure steam or a mixture of steam and inert gases into the molten alloy through a specially designed tuyere. The design prevents blockage of the gas inlet, ensuring a smooth and efficient process for decarburization.
Career Highlights
Throughout his career, Karl-Erik Oberg has worked with several prominent companies, including Allmänna Svenska Elektriska Aktiebolaget and Uddeholms Aktiebolag. His experience in these organizations has contributed to his expertise in metal processing and casting technologies.
Collaborations
Oberg has collaborated with notable professionals in his field, including Lars-Gunnar Norberg and Kare Folgero. These partnerships have likely enriched his work and led to further advancements in his inventions.
Conclusion
Karl-Erik Oberg's contributions to the field of metal casting and alloy processing are significant. His innovative patents and career achievements highlight his role as a leading inventor in his domain. His work continues to influence the industry and inspire future innovations.