Company Filing History:
1 out of 2 
1 out of 1 Years Active: 2013
Title: Josef Kaufmann: Innovator in Plastic Fiber Technology
Introduction
Josef Kaufmann is a notable inventor based in Opfikon, Switzerland. He has made significant contributions to the field of materials science, particularly in the development of plastic fibers for concrete applications. His innovative approach has led to advancements that enhance the performance and durability of concrete structures.
Latest Patents
Kaufmann holds a patent for a process for making plastic fibers specifically designed for application in concrete. This method involves creating bi-component fibers with a central core and a casing, utilizing a co-extrusion process. The fibers have a grain diameter greater than 4 mm, with an average diameter ranging from 0.15 to 2 mm, corresponding to approximately 160 to 28,000 dtex. The co-extruded fibers are stretched by a factor of 5 to 15, and a structured or grooved surface is embossed onto them, enhancing their functionality in concrete mixtures.
Career Highlights
Throughout his career, Kaufmann has worked with esteemed organizations such as the Swiss Federal Laboratories for Materials Science and Technology (Eidgenössische Materialprüfungs- und Forschungsanstalt) and Fibrotec AG. His work in these institutions has allowed him to explore and develop innovative materials that contribute to the construction industry.
Collaborations
Kaufmann has collaborated with notable professionals in his field, including Eugen Schwitter and Frank Winnefeld. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in material science.
Conclusion
Josef Kaufmann's contributions to the development of plastic fibers for concrete applications demonstrate his innovative spirit and commitment to enhancing construction materials. His work continues to influence the industry, paving the way for future advancements in material technology.