Whirlwind Leaf - Whirlwind Leaf

A binding method for Japanese and Chinese old books. A variation of orihon. The spines of the front and back covers of a folded book are joined with paper or rags and the main text is wrapped around it. There are also some where the front and back are wrapped in a single piece of paper. The main text remains folded, so when opened it becomes one continuous piece, and it is said to have been named whirlwind leaf because the paper flutters when the wind blows. This binding method has been around since the Northern Song period in China. There is also a theory that to prevent the main text from spreading out, the spine is glued together and the front and back are wrapped in a single piece of paper, or separate covers are added to the front and back. Either way, this binding method can be considered a transitional step from the orihon form to the booklet form.

[Kazumasa Kaneko]

"Introduction to Bibliography by Nagasawa Kikuya (1960, Yoshikawa Kobunkan)"

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

和漢古書装丁法の一つ。折本(おりほん)の変形。折本の前と後ろの表紙の背の部分を、紙または裂(きれ)で貼(は)ってつなぎ、本文用紙をくるむ装丁法。また、一枚の紙で前後をくるんだものもある。本文は折ったままなので、開くと一続きになり、風が吹くとひらひらと紙が翻るところから旋風葉と名づけたといわれる。この装丁法は、中国北宋(ほくそう)時代のころから行われた。なお、本文がばらばらに翻展(ほんてん)しないように、背の部分を糊(のり)付けにして密着させ、一枚の紙で前後をくるむか、前後別々に表紙を加えるという説もある。いずれにしてもこの装丁法は、折本の形態から冊子本の形態に移っていく過渡的なものといえる。

［金子和正］

『長沢規矩也著『書誌学序説』（1960・吉川弘文館）』

出典　小学館　日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について　情報 | 凡例