Kiyoshi Handa

Title: Kiyoshi Handa: Innovator in Extrusion Technology

Introduction

Kiyoshi Handa is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of extrusion technology, holding a total of 5 patents. His work focuses on improving the efficiency and versatility of extruders used in processing various types of resins and elastomers.

Latest Patents

One of Handa's latest patents is an innovative extruder and die system. This extruder can be applied to various types of resin and elastomer without the need to replace the die. The design includes a barrel for supplying raw materials, a rotating screw for processing, and a die at the discharge point that allows for adjustable output. The die consists of two flat plates with holes that can be moved relative to each other, enabling variations in the overlapping area of the holes.

Another significant patent is for a vented twin-screw kneading extrusion apparatus and method. This invention enhances the devolatilization of synthetic resins formed from polymers or synthetic rubbers. By injecting a devolatilization agent through a nozzle in the downstream segment of the cylinder assembly, the molten resin can be foamed at lower temperatures, improving the overall efficiency of the extrusion process.

Career Highlights

Kiyoshi Handa is currently employed at The Japan Steel Works, Ltd., where he continues to innovate in the field of extrusion technology. His work has been instrumental in advancing the capabilities of extrusion processes, making them more adaptable and efficient.

Collaborations

Handa has collaborated with notable coworkers such as Yohei Shimizu and Jun Kakizaki. Their combined expertise has contributed to the development of advanced technologies in the extrusion industry.

Conclusion

Kiyoshi Handa's contributions to extrusion technology have made a significant impact on the industry. His innovative patents demonstrate his commitment to improving manufacturing processes and enhancing product quality.