Company Filing History:
Years Active: 2004-2014
Title: Hisashi Nakajima: Innovator in Metallic Container Closures
Introduction
Hisashi Nakajima is a prominent inventor based in Hiratsuka, Japan. He has made significant contributions to the field of packaging technology, particularly in the design of metallic container closures. With a total of four patents to his name, Nakajima's work focuses on enhancing the functionality and safety of container closures.
Latest Patents
One of Nakajima's latest patents is a metallic container closure that features an internal pressure release function. This innovative design includes a shell made of a thin metal sheet, which has a circular top panel wall and a skirt wall. A synthetic resin liner is arranged within the shell, and the skirt wall contains a thread-forming region along with an annular groove positioned at the upper end of this region. The internal pressure release line extends circumferentially in the skirt wall, located above the annular groove. An annular bead is strategically placed to pass between the internal pressure release line and the annular groove. This design effectively releases gas when the pressure inside the container increases, while also preventing deformation of the skirt wall during the wrap-seaming process with the container's mouth and neck.
Career Highlights
Hisashi Nakajima is currently employed at Japan Crown Cork Co., Ltd., where he continues to innovate in the field of packaging solutions. His work has been instrumental in improving the safety and efficiency of metallic closures, making them more reliable for consumers.
Collaborations
Nakajima has collaborated with notable colleagues, including Yuji Kano and Katsuhito Ichimura. Their combined expertise has contributed to the advancement of packaging technology and the development of new solutions in the industry.
Conclusion
Hisashi Nakajima's contributions to the field of metallic container closures demonstrate his commitment to innovation and safety in packaging. His patents reflect a deep understanding of the technical challenges in this area, and his work continues to influence the industry positively.