Naohiko Mushiake

Title: **Naohiko Mushiake: A Pioneer in Multilayer Extrusion Technology**

Introduction

Naohiko Mushiake, an inventive mind based in Itami, Japan, is recognized for his contributions to the field of multilayer extrusions. With a total of four patents to his name, Mushiake has made significant strides in enhancing the efficiency and capabilities of extrusion processes in manufacturing.

Latest Patents

Mushiake’s most recent innovations include two key patents focused on die assembly and the manufacturing of multilayer pellets.

The first patent describes a **die assembly and process for production of multilayer extrusions**. This innovative design incorporates plural pairs of extrusion ports arranged on concentric circles of varying diameters. Notably, it features both a core material feeding layer and a sheath material feeding layer, each spreading in a planar state and connecting to their respective extruding passageways. This configuration allows for the positioning of extrusion ports in arbitrary locations which facilitates simultaneous production of multilayer extrusions while minimizing the expansion of the assembly.

The second patent outlines a **process for manufacturing multilayer pellets** that exhibit a core-sheath structure. This method involves supplying core and sheath materials to a die extruder with multiple extrusion-forming parts. The process efficiently extrudes multilayer strands where the sheath material envelops the core material, followed by cutting the strands to yield multilayer pellets.

Career Highlights

Throughout his career, Naohiko Mushiake has been associated with reputable companies, including Sumika Color Company, Limited and Sakata Shokai Ltd. His work in these organizations has been pivotal in the development of advanced extrusion technologies and materials.

Collaborations

Mushiake has had the opportunity to collaborate with notable colleagues such as Hiroyuki Mori and Kenji Kodama. Their joint efforts in research and development have furthered the capabilities in multilayer extrusion processes, leading to innovations that benefit various applications in manufacturing.

Conclusion

Naohiko Mushiake's inventive spirit and dedication to enhancing extrusion technology have established him as an important figure in the field. Through his patents, he has contributed significantly to the advancement of multilayer extrusion methods, paving the way for more efficient manufacturing processes and high-quality products. His expertise and collaborations demonstrate the value of teamwork in propelling innovation forward.