Hiroshi Uchikawa

Title: Hiroshi Uchikawa: Innovator in Kinetofrictional Testing and Self-Hardening Mold Sand

Introduction

Hiroshi Uchikawa, a notable inventor based in Funabashi, Japan, has significantly contributed to the field of materials testing and development. With a remarkable total of eight patents attributed to his name, Uchikawa's work focuses on innovative apparatuses and materials that enhance industrial processes.

Latest Patents

Among his latest innovations is the "Kinetofrictional Force Testing Apparatus", which features a spindle that is rotated by a variable speed motor. This apparatus includes a load cell positioned opposite a disk attached to the spindle, a test head for the disk, and a digital control system managed by a personal computer. The rotational speed of the motor is driven by clock pulses from the synthesizer, allowing for precise control over the rotational frequency and acceleration of the disk. Frictional forces are accurately measured through outputs from strain gauges mounted on the test head, supported by a leaf spring.

Another significant patent from Uchikawa is related to a "Self-Hardening Mold Sand". This advanced mold sand is designed to remain stable and exhibit high compressive strength while containing minimal water content. It is created by combining a self-hardening binder made from clinker powder with a specific composition and a binder additive consisting of a surface-active agent. This groundbreaking mold sand formulation promises to improve manufacturing efficiency and product quality in various applications.

Career Highlights

Uchikawa has worked with several prominent companies, including Onoda Cement Co., Ltd. and Koyo Precision Instruments, Inc. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, paving the way for numerous advancements in materials science and testing technologies.

Collaborations

Throughout his career, Uchikawa has collaborated with esteemed professionals, including Hajime Kato and Masao Shimoda. These partnerships have contributed to the development of his inventions and the successful execution of his projects.

Conclusion

Hiroshi Uchikawa continues to be a vital figure in the arenas of materials testing and innovation, with his inventive spirit reflected in his patents. His contributions, particularly in the fields of testing apparatus and mold materials, have not only advanced industrial applications but also established him as a respected inventor in Japan and beyond.