Masaru Harao

Title: Innovations of Masaru Harao in Expansion Molding Technology.

Introduction

Masaru Harao is a notable inventor based in Koga, Japan. He has made significant contributions to the field of expansion molding technology, holding 2 patents that showcase his innovative approach to manufacturing molded articles.

Latest Patents

Harao's latest patents include an "Expansion Molding Apparatus" and an "Expansion Molding Method." The expansion molding apparatus is designed for forming molded articles with consistently or partially thin walls by expanding expandable thermoplastic resin beads in a cavity formed between molds with the application of heat. This apparatus features a moving device, such as a cylinder, which moves the molds in one orthogonal direction relative to the closing direction when filling the cavity with resin beads. After the cavity is filled, the mold is returned to its original position, and heat is applied to obtain the final molded articles.

The expansion molding method complements this apparatus by detailing the process of forming molded articles. It involves expanding the resin beads in a cavity that has been adjusted to be wider than the diameter of the beads. This adjustment is achieved by moving one or both molds in at least one direction orthogonal to the closing direction. Once the molds are repositioned, the resin beads are heated to create the molded article.

Career Highlights

Masaru Harao is associated with Sekisui Kaseihin Kogyo Kabushiki Kaisha, where he has been instrumental in advancing the company's capabilities in expansion molding technology. His work has led to improved manufacturing processes and enhanced product quality.

Collaborations

Harao has collaborated with notable coworkers, including Ken Yamamoto and Hideo Takamatsu. Their combined expertise has contributed to the successful development of innovative molding solutions.

Conclusion

Masaru Harao's contributions to expansion molding technology through his patents and collaborative efforts have significantly impacted the industry. His innovative methods and apparatus continue to influence the manufacturing of molded articles, showcasing the importance of creativity in engineering.