| 摘要 |
PURPOSE: A combining method of logs is provided to firmly combine each log for forming a wall by combining each log not to be separated. CONSTITUTION: A combining method of logs has the steps of: forming the entrance of an insertion groove in a right angle so the insertion groove as to have a "T-shape" and forming a wide space inside of the insertion groove as forming the insertion groove; forming a contact groove having the same curvature as the outer curvature of a log at the opposite side of the insertion groove; forming a projection part whose cutaway section is "T-shape" at the center of the contact groove; forming a wedge groove at the center of the outer circumference of the projection part.
|
