We will introduce in detail with photographs the dismantling, reassembly, and reupholstering processes of chairs known as masterpieces such as The Chair, as well as chairs designed by famous designers such as Finn Juhl. (*Depending on the chair, there may be cases where only dismantling is required, dismantling and reassembly, or removal of the fabric (leather) upholstery, etc.)
As we introduce these, we will explore the features, structure, and designers' thoughts of each chair.
1) What technologies are used: Joint methods, strength, ingenuity to utilize the design, ingenuity in hidden areas that cannot be seen from the outside, etc.
2) Pros and cons
3) Materials: type of wood used, paper cord for seat weaving, contents of upholstery (cotton, cloth, horsehair, urethane, etc.), etc.
4) What was the designer's thinking behind the design of this chair?
5) Featured chairs (18 chairs)
・Superleggera [Gio Ponti]
・The Chair (JH501) [Hans J. Wegner]
・Y Chair (CH24) [Hans J. Wegner]
・Bear Chair [Hans J. Wegner]
・JH504 [Hans J. Wegner]
・CH23 [Hans J. Wegner]
・Egg Chair [Arne Jacobsen]
・Seven Chair [Arne Jacobsen]
・Easy Chair No. 45 [Finn Juhl]
・Armchair No.46 [Finn Juhl]
・Armchair No. 48 [Finn Juhl]
・JL Moller No.77 [Niels Otto Moller]
Eva [Bruno Mathsson]
FD130 [Peter Witt & Orla Morgaud Nielsen]
・Siesta [Ingmar Relling]
- Safari Chair [Kaare Klint]
・MK Chair [Mogens Koch]
・Paper Cord Woven Folding Chair JAPAN
■Table of Contents
● Dismantling The Chair (JH501)
● Dismantling the Y chair, reassembling it, and reupholstering the seat
●Removing the upholstery from the Bear Chair (AP19)
● Dismantling and restoring JH504
● Dismantle and repair CH23
●Finn Juhl No. 45 in frame form
●Removing the leather covering from Finn Juhl No. 46
● Dismantling and restoring Finn Juhl No. 48
Removing the leather from the Egg Chair
● Dismantling the Superleggera
● Dismantling and repairing Eva
- Dismantling and repairing JL Moller No. 77, whose front landing gear was broken
● Disassemble and assemble the FD130
● Disassemble and assemble the Safari Chair
Disassembling and assembling Siesta
● Disassemble and assemble the MK chair
● Dismantling and repairing a paper cord knitting [folding chair]
● Dismantling and restoring the Seven Chair
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Product description
About the Author
■ Takaaki Nishikawa
Born in 1955. Editor and chair researcher.
In addition to chairs and furniture, he edits and writes about wood-related topics, from forests and timber to woodcraft.
His books include [Expanded and Revised Illustrated Encyclopedia of the Origins of Famous Chairs], [This Chair is the Best!], [Handmade Wooden Stools], [Exploring Wooden Manufacturing], and [Illustrated Encyclopedia of Trees and Wood - 101 Useful Species in Japan].
His co-authored works include "The Secret of the Y Chair", "The Complete Windsor Chair", "Expanded and Revised Full-Color Encyclopedia of Tree Species that Shows Wood Processing Surfaces", and "Lacquer Painting Techniques".
■ Shigeru Sakamoto
Born in 1961. Woodworking designer.
After working in furniture manufacturing at Gotanda Manufacturing and other companies, he joined D-Sign (now Carl Hansen & Son Japan) in 1991.
Involved in sales promotion and product management (inspection, repair, import work) for Y Chair and other products. Worked hard to register the three-dimensional trademark for Y Chair.
After leaving the company in 2014, he founded sim design. In addition to working as a designer, he also takes on repairs and reupholstering of paper cords such as the Y Chair.
While still working at the company, he participated in competitions and won many awards. In 1998, he won the Grand Prize at the 1st Wooden Chairs in Everyday Life Exhibition, and in 2015, he won the Grand Prize in the Factory Craft category at the Takaoka Craft Competition, a city of crafts.
Co-author of "The Secret of the Y Chair."

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