|KEY WORD : architecture / joints|
| A wooden nail. The term applies to dowels, also
called joggles *daboso 太ぼぞ,
pins kumisen 込栓 or daisen 大栓, plugs *sen
栓 etc. Wooden nails are used in various types of joinery. A log beam stub tenon
scarf joint with dowels, koya daimochitsugi 小屋台持継, is an example. The stub
tenon scarf joint *daimochitsugi
台持継, is used in roof frameworks and is thought to have been employed since the
14c. A species of Japanese sunflower called utsugi 空木 is thought to be
the most suitable type of wood for dowels, pins, and plugs. Although its stalk
is hollow, it is very tough. Zelkova, keyaki 欅, a very hard wood, is also
excellent for wooden nails. Today steel bolts are usually used in place of wood.
(C)2001 Japanese Architecture and Art Net Users System. No reproduction or republication without written permission.