Location History:
- Parainen, FI (1993 - 1998)
- Kotka, FI (2001)
Company Filing History:
3 out of 367 
1 out of 227 
1 out of 571 
Years Active: 1993-2001
Title: Bertel Karlstedt: Innovator in Paper Drying Technology
Introduction
Bertel Karlstedt is a notable inventor based in Parainen, Finland. He has made significant contributions to the field of paper drying technology, holding a total of 5 patents. His innovative approaches have advanced the efficiency and effectiveness of drying processes in the paper industry.
Latest Patents
Karlstedt's latest patents include a flotation dryer unit and method of use. This invention focuses on a method and flotation dryer unit that enhances the drying of a web, such as a coated paper web. The flotation dryer unit features several nozzle boxes that extend across the web, supplying drying air to the web. It also includes a distribution chamber for directing dry air into the nozzle boxes and a suction chamber that collects the drying air from the web area, directing it to the side of the web. The suction chamber is designed with a perforated plate that divides it into an equalizing space and an air transport chamber, ensuring a balanced return air flow from the web area.
Another significant patent is a method and device for drying a coating on a paper web. This invention allows for the contact-free turning of the paper web's running direction through blowings produced by a turning device. The coating on the paper web is dried without contact by blowings from drying devices positioned on both sides of the web. The exhaust air from both the turning and drying devices is efficiently removed from the vicinity of the paper web by a common exhaust device, preventing any interference with the drying process.
Career Highlights
Throughout his career, Bertel Karlstedt has worked with prominent companies in the paper machinery sector, including Valmet Corporation and Valmet Paper Machinery Inc. His experience in these organizations has contributed to his expertise in developing innovative drying technologies.
Collaborations
Karlstedt has collaborated with notable professionals in his field, including Pertti Heikkila and Richard Solin. These partnerships have fostered a collaborative environment that has led to advancements in paper drying technology.
Conclusion
Bertel Karlstedt's contributions to the paper industry through his innovative patents and collaborations highlight his role as a key inventor in the field. His work continues to influence the efficiency of paper drying processes, showcasing the importance of innovation in industrial applications.