Company Filing History:
Years Active: 1983-1988
Title: Hjalmar S Bystedt: Innovator in Mechanical Pulp Production
Introduction
Hjalmar S Bystedt is a notable inventor based in Enebyberg, Sweden. He has made significant contributions to the field of mechanical pulp production, holding a total of five patents. His innovative approaches have advanced the technology used in processing lignocellulosic materials.
Latest Patents
Bystedt's latest patents include a "Device for production of mechanical pulp" and an "Apparatus for manufacturing mechanical pulp." The first invention relates to a device that utilizes a grinding disc rotating around a shaft to produce mechanical pulp from lignocellulose material. This device features means for holding and pressing the material against grinding surfaces, ensuring that the fibers are oriented correctly during processing. Water, which may contain chemicals, is introduced during the grinding process, and the entire system is enclosed in a housing maintained at above-atmospheric pressure. The second patent describes a method and device for manufacturing mechanical pulp by forcing lignocellulosic material into contact with a grinding disc, allowing for efficient processing of wood chips in a sealed, pressurized environment.
Career Highlights
Bystedt is associated with Sunds Defibrator AB, a company known for its innovations in pulp and paper technology. His work has contributed to the development of more efficient and effective methods for producing mechanical pulp, which is essential for various applications in the paper industry.
Conclusion
Hjalmar S Bystedt's contributions to mechanical pulp production through his innovative patents have significantly impacted the industry. His work continues to influence the methods used in processing lignocellulosic materials, showcasing the importance of innovation in this field.