Description
Mizutani Scissors - BLACK-SMITH Solid
Two professors of Ergonomics and Metal Engineering conducted an analysis that resulted in the BLACK-SMITH Solid. These scissors feature a center of gravity situated close to the hand to reduce wobbling while cutting. Additionally, a carefully controlled hardening process brings out the ideal properties of the materials, rendering it the ideal all-purpose scissors. For barbering, the 6.5 and 7.0 sizes are particularly recommended.
Source: Yukari Aoki, “Effects of the Way Styling Scissors are Held on Usability” (Ueno Laboratory, 2011 Graduate Study)
BLACK-SMITH Solid utilizes the advanced Extramarise® Processing, a distinct hardening technique driven by precise temperature management. This method optimizes the qualities of the materials, while giving the scissors the required hardness and durability. Following a collaboration with metallic engineering specialist Dr. Asakura, our team studied the original material of the SOLID after applying the suitable heat treatment. The comparison between the treated and non-treated materials was striking: the analysis showed that heat treatments can extend the working lifespan of scissors significantly.
Chiba Institute of Technology, Professor of Department of Design
Yoshiyuki Ueno, Doctor of Engineering
Societies : Member of the Board of Directors, Japan Society for Interior Studies Member of the Board of Directors, Japan Society for Office Studies Member of the Board of Directors, Japan Toilet Association etc.
Research Fields : Measurement of human bodies and movements, physiological measurement; ergonomic design for chairs, seats, beds; ergonomic design for sink areas for kitchens and bathrooms; ergonomic design for writing materials and other tools; etc.
Publications : “Building a School Bathroom Together: Removing the Barriers in Our Hearts” (School Toilet Research Society), “Illustrated Ergonomics” (Japanese Standards Association), “Interior Planning and Design” (Shokokusha)
Research Fields : Measurement of human bodies and movements, physiological measurement; ergonomic design for chairs, seats, beds; ergonomic design for sink areas for kitchens and bathrooms; ergonomic design for writing materials and other tools; etc.
Publications : “Building a School Bathroom Together: Removing the Barriers in Our Hearts” (School Toilet Research Society), “Illustrated Ergonomics” (Japanese Standards Association), “Interior Planning and Design” (Shokokusha)
Department of Materials Engineering at the School of Engineering, The University of Tokyo (Part-time instructor at the Tobu College of Medical Technology)
Dr. Kentaro Asakura, Engineering
Research Fields : Ultra-supercritical pressure power generation systems, multi-layer steel sheeting for automotive uses, material analysis and development using electron microscopes, etc.
Publications (Separate Volumes) : Talking about Microscopes and Talking about Non-Woven Fabrics (Japanese Standards Association), 5-volume microscope series including Macro Observation and New Microscope Q&A and All About Edged Tools (Agne Gijutsu Center).
Publications (Separate Volumes) : Talking about Microscopes and Talking about Non-Woven Fabrics (Japanese Standards Association), 5-volume microscope series including Macro Observation and New Microscope Q&A and All About Edged Tools (Agne Gijutsu Center).
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EXTRAMARISE
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EXTRAMARISE® is a MIZUTANI-developed heat treatment specifically designed for scissors. It uses the perfect temperature required to bring out the most out of special materials like cobalt, molybdenum, vanadium, etc. and create a blade with the ideal strength for haircutting. The performance of any material depends on the heat treatment, which is why the company's proprietary approach (*hardening, tempering, sub-zero processing) is essential. In fact, the process has been carefully crafted to benefit from long years of data and experience. EXTRAMARISE® processing is the ultimate heat treatment for scissors.
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BALL BEARING
These high-precision metal ball bearings are produced in Japan and boast superior anti-corrosion characteristics compared to foreign-made items. With decreased friction around the screws, they lessen strain on the hands while also protecting the blade from damage, resulting in a longer operational lifespan. -
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ORGANIC DESIGN
The handles feature an organic appearance that resists metallic sheen. It's sculpted, curved shape provides the cozy feel of natural material, curving and clinging to the finger's shape like a welcomed embrace.
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DISK DRIVER
This flat type driver for UFO screws is designed to be compact and easy to maneuver. It is included with all scissors with the Mizutani Scissors marked logo.
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ORGANIC DESIGN
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