Location History:
- Sprendlingen, DE (1980)
- Dreieich/Sprendlingen, DE (1983)
Company Filing History:
Years Active: 1980-1983
Title: Innovations by Friedrich Preuss
Introduction
Friedrich Preuss is a notable inventor based in Sprendlingen, Germany. He has made significant contributions to the field of printing technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and quality of printing processes.
Latest Patents
One of his latest patents is a varnishing assembly in a printing press that features a self-cleaning mechanism. This innovative assembly is designed to apply a layer of varnish to sheets on a press cylinder. It includes a varnish fountain composed of a tray and fountain roller, with an applicator roller positioned between the fountain roller and the cylinder. The system is equipped with storage tanks for varnish, fresh detergent, and used detergent. The tray has both an outlet line and an inlet line for drainage and filling, ensuring a seamless cleaning cycle.
Another significant patent by Preuss is an apparatus for use on printing presses that ensures optimum color density. This mechanism sorts sheets from a printing press to guarantee proper color density and assists in making corrective adjustments. It features a main conveyor and an auxiliary conveyor, along with a scanning device that responds to the color density of printed images. A comparator generates control signals to divert sub-quality sheets, providing constant feedback to the pressman regarding necessary adjustments in ink feed rate.
Career Highlights
Friedrich Preuss has been associated with Man Roland Druckmaschinen AG, a prominent company in the printing industry. His work has contributed to advancements in printing technology, making processes more efficient and effective.
Collaborations
Preuss has collaborated with Harry M. Greiner, working together to innovate and improve printing solutions.
Conclusion
Friedrich Preuss is a distinguished inventor whose innovations in printing technology have made a lasting impact on the industry. His patents reflect a commitment to enhancing the quality and efficiency of printing processes.