Anna Ekmarker

Title: Inventor Anna Ekmarker: Pioneering Innovations in Rock Drill Technology

Introduction

Anna Ekmarker, based in Ankarvsik, Sweden, is a notable inventor with a keen focus on new technologies in the mining and drilling sectors. With two patents to her name, Anna has made significant contributions to the development of advanced drilling tools that enhance productivity and efficiency.

Latest Patents

Her latest patents showcase her innovative approach to rock drilling technology. The first patent is for a “Rock drill button,” which features a body made of sintered cemented carbide. This design incorporates hard constituents of tungsten carbide (WC) within a binder phase of cobalt (Co), achieving a Co content of 4-12 mass % alongside unavoidable impurities. Additionally, this invention sets a specific Cr/Co ratio between 0.043-0.19, ensuring the optimal performance of the material with a WC grain size mean value above 1.75 micrometers.

The second patent, titled “Method of producing a component of a composite of diamond and a binder,” describes a unique process utilizing Hot Isostatic Gas Pressure (HIP). This method involves enclosing a de-bound green body with compacted diamond particles in an infiltrant, using a Zirconium capsule as the main component. This innovation allows for the efficient densification of the diamond component, greatly improving its structural integrity.

Career Highlights

Anna Ekmarker is employed at Sandvik Intellectual Property AB, where she works on advanced materials and technologies in the field of mining and drilling. Her expertise and dedication have played a vital role in developing state-of-the-art tools that contribute to the company's success and reputation as a leader in the industry.

Collaborations

Throughout her career, Anna has collaborated with esteemed colleagues such as Susanne Norgren and Anders Nordgren. Together, they work synergistically to push the boundaries of innovation and enhance the technological capabilities of Sandvik’s product offerings.

Conclusion

Anna Ekmarker stands out as a talented inventor whose contributions continue to shape the future of rock drilling technology. Her patents not only demonstrate her ingenuity but also reflect her commitment to solving complex industrial challenges. As technologies evolve, Anna's work will undoubtedly pave the way for further advancements in the field.