Stephan Duewel

Title: Innovations by Stephan Duewel in Spectacle Lens Manufacturing

Introduction

Stephan Duewel is a notable inventor based in Aalen, Germany. He has made significant contributions to the field of optics, particularly in the manufacturing of spectacle lenses. His innovative approach has led to the development of a unique method that enhances the efficiency and quality of lens production.

Latest Patents

Stephan Duewel holds a patent for a method of making a spectacle lens. This method involves the joining of a mold and a sealing ring. The mold features an integrated block piece and a mold shell created through primary shaping. The sealing ring is designed with a first end face, a second end face, a peripheral seal, and an opening on the first end face that is configured to receive a mold. A flexible membrane on the second end face plays a crucial role in the process. The polymerizable material is introduced into the mold cavity using the pump action of the flexible membrane. The flexible membrane is fixed in a desired surface shape, and polymerization is carried out. The mold is then removed, resulting in a cast-on spectacle lens blank.

Career Highlights

Stephan Duewel is currently associated with Carl Zeiss Vision International GmbH, a leading company in the optical industry. His work at this esteemed organization has allowed him to apply his innovative ideas and contribute to advancements in lens technology.

Collaborations

Stephan has collaborated with notable colleagues, including Ralf Meschenmoser and Norbert Kurz. Their combined expertise has fostered a productive environment for innovation and development in the field of optics.

Conclusion

Stephan Duewel's contributions to the manufacturing of spectacle lenses exemplify the impact of innovation in the optical industry. His patented method showcases a blend of creativity and technical skill, paving the way for advancements in lens production.