Jari Räsänen

Title: Innovations by Jari Räsänen: Pioneering Mouldable Fibrous Sheets

Introduction

Jari Räsänen, an accomplished inventor based in Imatra, Finland, has made significant contributions to the field of packaging technology through his innovative research and extensive patent portfolio. With a remarkable total of 30 patents, Räsänen continues to advance the industry by focusing on sustainable material solutions and efficient production methods.

Latest Patents

Among his latest inventions is the "Mouldable Fibrous Sheet and a Production Method Thereof," which presents a novel web of fibrous cellulosic material sourced from wood pulp. This web is engineered for three-dimensional moulding to create packaging products, featuring over 40 wt % softwood chemical pulp and incorporating strength enhancement agents. The unique design allows for a grammage of less than 400 g/m and ensures that the cellulose fibers exhibit a fiber curl of over 9%.

Another notable patent is the "Method and Apparatus for Deep-Drawing a Tray from Sheet Material." This invention provides a method and apparatus to deep-draw trays from fiber-based sheet materials, like polymer-coated board. The setup includes a female moulding tool with a cavity for tray bottom formation, and a male moulding tool with a plunger plate for inward bottom shaping. By strategically distancing the moulding tools from the sheet material, the invention facilitates the free formation of tray side walls while preventing wrinkles or tears, showcasing Räsänen's innovation in production efficiency.

Career Highlights

Räsänen is currently associated with Stora Enso Oyj, a prominent player in the renewable materials sector. His work at the company emphasizes sustainable practices while enhancing the functionality of packaging materials, aligning with global trends towards eco-friendly solutions. Räsänen’s dedication to research and development has established him as a leader in his domain.

Collaborations

Throughout his career, Räsänen has collaborated with notable professionals such as Tapani Penttinen and Ali Harlin. These partnerships have fostered a dynamic exchange of ideas and knowledge, further enriching the development and application of innovative technologies within their field.

Conclusion

Jari Räsänen continues to push the boundaries of packaging innovation with his unique inventions and patented methodologies. His commitment to sustainability and efficiency positions him as a key figure in the industry, inspiring new approaches to material use and production techniques. The impact of his work is not only recognized at Stora Enso Oyj but also contributes to a broader movement towards sustainable packaging solutions in the global market.