| 摘要 |
PURPOSE: A manhole block manufacture apparatus is provided to improve durability on the outside of a manhole block, since an elastic pressing unit is formed on an upper mold forming the upper side of a manhole block. CONSTITUTION: A manhole block manufacture apparatus comprises an outer mold(10), an inner mold(20), a lower mold(30), a movable upper mold(40), and an elastic pressing unit(50). The outer mold forms the exterior of the manhole block. The inner mold forms the inner surface of the manhole block. The lower mold forms the lower surface of the manhole block. The movable upper mold forms the upper side of the manhole block. |
