| 摘要 |
PROBLEM TO BE SOLVED: To provide a joint bar and chamfer which can be rapidly mounted on a concrete form and easily removed from the concrete form without damaging them.SOLUTION: A joint bar/chamfer 1 which is straight, resilient, and uniformly shaped and has a core is manufactured by forming a hollow body with polyvinyl chloride, inserting a wood 2 into a hollow part of the body to fill the hollow part, and combining them, while leaving only the advantages of the two components and removing the disadvantages thereof. Nail holes having the same diameter as the thickness of the nail legs 4 of the nails used for fixing the joint bar/chamfer to the concrete form 5 are opened in the concrete form 5. Thereby, the joint bar/chamfer can be rapidly mounted to and removed from the concrete form 5 without damaging this article, and the article can be repeatedly used. |
