It is used for the production of concrete rings without a footer, connected by a rabbet (diameter-200 mm and height 1000 mm). The rings are produced in a vertical position (built-in) on the metal base using rings shaping the joints of the rings.
It consists of the vibrating table installed below the floor level with a screwed core on which there is a form jacket with a lower ring shaping the lower joint of the ring.
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