Company Filing History:
Years Active: 1994-1999
Title: Martti Hirsimaki: Innovator in Paper Machine Technology
Introduction
Martti Hirsimaki is a notable inventor based in Jyska, Finland. He has made significant contributions to the field of paper machinery, holding a total of 5 patents. His work focuses on improving the efficiency and functionality of paper machines, particularly in the areas of web guidance and press sections.
Latest Patents
Hirsimaki's latest patents include a "Method and device for guiding a leader of a web in a paper machine." This invention relates to a device and method for guiding a web, specifically the leader of the web, within a paper machine. The device operates in the area between a center roll of the press section and a separate press nip, which is formed between a smooth-faced upper roll and a hollow-faced lower roll. The invention also includes air-transfer devices that create reduced pressure across the width of the leader, enhancing the guiding process.
Another significant patent is related to the "Press section in a paper machine." This invention describes a press section that includes a first press nip formed between an upper roll and a lower roll, allowing a paper web to be dewatered effectively. The design incorporates multiple press nips and utilizes a metal-mantle lower roll with a larger diameter than the upper roll, optimizing the dewatering process.
Career Highlights
Throughout his career, Martti Hirsimaki 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 innovative solutions that address the challenges faced in paper production.
Collaborations
Hirsimaki has collaborated with notable colleagues such as Juha Kivimaa and Juhani Pajula. These partnerships have contributed to the advancement of technology in the paper industry, fostering an environment of innovation and creativity.
Conclusion
Martti Hirsimaki's contributions to paper machine technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the efficiency and effectiveness of paper production processes.