| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem of so far requiring a skilled technology for coping with a window screen of various sizes, similarly to a new product in its case, though pushing in and stretching a net so as not to loosen and bend in a groove of a window screen body by pushing-in rubber, by using a window screen roller in re-covering work of the window screen.SOLUTION: A skilled technology such as re-covering without bending and straining, becomes unnecessary from the present invention, by tracing by a fluorescent pen, after being confirmed-adjusted, since a strain and a flow of a mesh of a net becomes easily confirmable, by providing a part of a square hole in a ruler. |
