| 摘要 |
A sash which has a groove for receiving a mesh and which is configured so that the mesh is affixed while a part of the mesh is disposed in the groove is provided with: inner surfaces arranged facing each other so as to form a groove; a first protrusion protruding from one of the inner surfaces, which is located close to the inside of the sash, toward the facing inner surface; and a second protrusion provided on the inner surface which faces the inner surface having the first protrusion provided thereon, the second protrusion protruding so that the front end thereof is located closer to the bottom of the groove than the first protrusion. As a result, the mesh can be affixed to the sash by a simple method. |
