Hisao Hanada

Title: Hisao Hanada: Inventor of a Sliding Nozzle Plate Fixing Structure

Introduction

Hisao Hanada is an inventor associated with Fukuoka, Japan, and Krosaki Corporation. His work includes an invention designed to make mounting and removing a sliding nozzle plate easier and more accurate.

Latest Patents

The available information lists one patent for Hanada: Sliding nozzle plate-metal frame fixing structure. The invention concerns a sliding nozzle device attached to a vessel containing molten metal. Its sliding nozzle plate has a sliding surface and is enclosed by a metal case on the other sides.

The metal case has one or more projections on the surface opposite the sliding surface. The corresponding metal frame contains concave portions shaped to engage with those projections. This arrangement allows the cased plate to be mounted to or removed from the frame through straightforward engagement and disengagement. The listed patent count is 1 patent.

Career Highlights

Hanada’s listed invention addresses the practical connection between a sliding nozzle plate and its supporting metal frame. The projection-and-recess design is intended to make installation and removal simple while ensuring accurate positioning. The available information associates Hanada with Krosaki Corporation.

Collaborations

Teruo Aoki and Toshimitsu Taira are identified as Hanada’s coworkers. The available information does not specify their roles in developing or patenting the fixing structure.

Conclusion

Hisao Hanada’s listed patent focuses on a practical fixing structure for sliding nozzle equipment, using matching projections and recesses to support easier, more accurate plate installation and removal.