| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an inking square that enables inking work in foundation draining processing for an internal corner and an external corner stably and efficiently.SOLUTION: An inking square 600 for use in foundation draining processing for an internal corner and an external corner comprises: a first plate 30 having a shape of a right-angled isosceles triangle comprising both base angles of 45 degrees; and a second plate 31 having a base extended upward from the base of the first plate 30, and having the same length as the base of the first plate 30. Both sides of the second plate 31 are provided at a right angle to the base of the first plate 30, and the first plate 30 becomes horizontal when the second plate 31 is made to stand straight in side view.</p> |
