Location History:
- Petajavesi, FI (1990 - 1993)
- Kemi, FI (1997)
Company Filing History:
Years Active: 1990-1997
Title: Innovations of Mauri Koivuranta
Introduction
Mauri Koivuranta is a notable inventor based in Petajavesi, Finland. He has made significant contributions to the field of paper machinery, holding a total of 4 patents. His work focuses on enhancing the efficiency and functionality of paper production processes.
Latest Patents
One of his latest patents is a twin-wire web former in a paper machine. This invention involves a twin-wire web former that includes a covering wire and a carrying wire, which together form a twin-wire forming zone. The design features a discharge opening of a headbox that feeds a pulp suspension jet into the forming gap defined between the wires. Following the forming gap is a forming shoe equipped with a curved guide deck. Additionally, a draining unit is provided after the forming shoe, which includes a press/support unit that guides the wire in a straight run. This unit is complemented by draining equipment that effectively removes a substantial amount of water from the web.
Another patent by Koivuranta also pertains to a twin-wire web former in a paper machine. This design includes a forming gap at the beginning of the forming zone, where the pulp suspension jet is introduced. A first forming roll is strategically placed in the twin-wire zone, followed by a dewatering unit and a second forming roll. The dewatering unit comprises a press-support unit and dewatering equipment that work together to remove excess water from the web.
Career Highlights
Mauri Koivuranta has worked with prominent companies in the paper machinery industry, including Valmet Paper Machinery Inc. and Valmet Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in paper production technology.
Collaborations
Throughout his career, Koivuranta has collaborated with notable professionals in the field, including Michael H. Odell and Erkki Partanen. These collaborations have contributed to the advancement of his inventions and the overall progress in paper machinery.
Conclusion
Mauri Koivuranta's contributions to the field of paper machinery through his innovative patents demonstrate his expertise and commitment to improving production processes. His work continues to influence the industry and inspire future innovations.