Karl-Heinz Plester

Title: The Innovative Contributions of Karl-Heinz Plester

Introduction

Karl-Heinz Plester is a notable inventor based in Lunen, Germany. He has made significant contributions to the field of hydraulic technology, particularly in mining and tunneling operations. With a total of 6 patents to his name, Plester's work showcases his dedication to innovation and engineering excellence.

Latest Patents

Among his latest patents, Plester has developed a hydraulic ram designed for use as an advance ram in mining operations. This innovative device features a plurality of permanent magnets embedded in its piston rod, enhancing its functionality. Additionally, at least one sensor is associated with a guide bush fixed to the piston rod end of the cylinder of the ram. The sensor is accommodated within a pocket formed in the guide bush, which can be closed off by a detachable closure member.

Another significant patent by Plester involves a hydraulic ram for thrust-jacking of tunnel linings. This design includes a cylindrical outer member and a cylindrical inner member that is reciprocable within the outer member. An extension member is also included, which is reciprocable within the inner member. The invention features a two-part clamping ring that allows for the releasable locking of the extension member to the inner member. An auxiliary drive is provided for rapidly retracting the extension member, which may be a mechanical spindle drive or a hydraulic drive.

Career Highlights

Karl-Heinz Plester has built a successful career at Gewerkschaft Eisenhutte Westfalia, GmbH. His work has been instrumental in advancing hydraulic technologies, particularly in the mining and tunneling sectors. His innovative designs have not only improved operational efficiency but have also contributed to safety in these demanding environments.

Collaborations

Throughout his career, Plester has collaborated with several talented individuals, including Friedrich Eggenstein and Harry Rosenberg. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Karl-Heinz Plester's contributions to hydraulic technology are noteworthy and reflect his commitment to innovation. His patents demonstrate a blend of creativity and engineering skill that continues to impact the mining and tunneling industries.