Keiji Tsunenari

Title: Keiji Tsunenari: Innovator in Continuous Casting Technology

Introduction

Keiji Tsunenari is a notable inventor based in Futtsu, Japan. He has made significant contributions to the field of continuous casting technology, holding a total of 3 patents. His work focuses on improving the efficiency and quality of metal casting processes.

Latest Patents

One of Tsunenari's latest patents is a dual drum type continuous casting device and method for continuous casting. This innovative apparatus utilizes a twin-drum system to cast metal sheets by supplying molten metal to a pouring basin formed by a pair of cooling drums that rotate in opposite directions. The design includes side gates to cool the molten metal through contact with the surfaces of the cooling drums, resulting in a solidified shell. Additionally, the cooling drum is constructed from a drum body with shaft portions at both ends and a drum sleeve fitted on the outer peripheral portion. This design also incorporates means to prevent adverse influences due to thermal expansion differences during casting, thereby enhancing the reliability of the apparatus and improving casting quality.

Another significant patent is a mold for continuous casting. This invention aims to prevent insulation deterioration during continuous casting when electromagnetic force is applied. The mold is equipped with a magnet coil that imposes electromagnetic force on the molten metal, ensuring high-quality castings over extended periods. The design features a combination of cooling copper plates and back plates, configured to maintain electrical connectivity while preventing insulation issues.

Career Highlights

Throughout his career, Keiji Tsunenari has worked with prominent companies such as Nippon Steel Corporation and Mitsubishi Heavy Industries Limited. His experience in these organizations has contributed to his expertise in continuous casting technology and innovation.

Collaborations

Some of Tsunenari's notable coworkers include Kazuto Yamamura and Keiichi Yamamoto. Their collaboration has likely fostered advancements in the field of metal casting.

Conclusion

Keiji Tsunenari's contributions to continuous casting technology through his innovative patents and career experiences highlight his role as a significant inventor in the industry. His work continues to influence the quality and efficiency of metal casting processes.