Company Filing History:
Years Active: 1979-1983
Title: Innovations by Fritz Frehn: Pioneering Advances in Sintering Technologies
Introduction
Fritz Frehn is a notable inventor based in Krefeld, Germany, recognized for his significant contributions in the field of metallurgy. He has been granted four patents, demonstrating his innovative approach and expertise in developing advanced sintering methods.
Latest Patents
Fritz Frehn’s latest patents focus on enhancing the efficiency of compound sintering processes. One notable patent describes a method for preparing joined connections between a metallic compact body created through melting metallurgy and a body formed by powder metallurgy. This inventive process involves using a pre-formed, unsintered pressed body that contains at least one component capable of forming a liquid phase at the sintering temperature. The pre-formed body is placed in direct contact with the compact body without the application of external pressure, allowing for a controlled sintering environment.
Another recent patent outlines a method for manufacturing tools, machines, or parts composed of at least two sections joined via composite sintering from sintered alloys. This includes iron, nickel, or cobalt-based mixtures, where at least two powdered metallic compositions with varying metal carbide contents are poured into a mold sequentially. The method emphasizes achieving maximum density through a two-step sintering and hot-pressing technique, ensuring optimal alloy formation and material properties.
Career Highlights
Fritz Frehn is affiliated with Thyssen Edelstahlwerke AG, where he applies his innovative approaches in metallurgy to develop high-performance materials. His work has contributed to advancements in the manufacturing techniques used in various industrial applications, showcasing the potential of sintering technologies.
Collaborations
Through his presence at Thyssen Edelstahlwerke AG, Frehn has likely collaborated with other experts and researchers in the field to further enhance the knowledge base surrounding sintering methods and their commercial applications. These partnerships foster innovation and the continuous advancement of metallurgical practices.
Conclusion
Fritz Frehn's innovative methods and patents mark significant advancements in the field of metallurgy and sintering technologies. His contributions not only reflect his expertise but also promote further exploration and development of efficient manufacturing processes within the industry. As he continues to work on groundbreaking projects, the impact of his inventions on future metallurgical practices remains promising.