Location History:
- Osaka, JP (1990)
- Hirakata, JP (1992 - 2014)
Company Filing History:
Years Active: 1990-2014
Title: Innovations of Junji Nakagawa
Introduction
Junji Nakagawa is a notable inventor based in Hirakata, Japan. He has made significant contributions to the field of plastic molding technology, holding three patents to his name. His work focuses on improving the efficiency and effectiveness of drying processes for plastic materials.
Latest Patents
One of his latest patents is a drying apparatus under reduced pressure for plastic molding material. This innovative apparatus features a drying hopper equipped with an airtight material charge valve at its upper portion and a material discharge valve at its lower portion. It is connected to a vacuum pump via vacuum piping, which allows for effective drying under reduced pressure. Additionally, the apparatus includes a thermal conduction heating means within the drying hopper and a plastic material adherence preventing mechanism. This mechanism utilizes a gas charge port connected to a gas tank, which helps prevent the adherence of plastic molding material by feeding stored gas into the drying hopper after a predetermined time.
Career Highlights
Throughout his career, Junji Nakagawa has worked with several prominent companies, including Kabushikikaisha Matsui Seisakusho and Kyowa Hakko Kogyo Co., Ltd. His experience in these organizations has contributed to his expertise in the field of plastic molding and drying technologies.
Collaborations
He has collaborated with notable coworkers such as Kiyoshi Morimoto and Akikazu Iwamoto, further enhancing his innovative capabilities and expanding his contributions to the industry.
Conclusion
Junji Nakagawa's inventions, particularly in drying apparatuses for plastic molding materials, showcase his commitment to advancing technology in this field. His patents reflect a deep understanding of the challenges faced in plastic processing and offer practical solutions to improve efficiency.