| 摘要 |
<p>The system for production of articles made from cement, e.g. moulded bricks. It has a support for a large number moulds which moves in a circular manner to allow each mould to pass various operational stations and in which each mould has an air porous base and which can be evacuated to remove excess liquid from the mould at the suction station has each mould constructed with an auxiliary aperture (28) connected to the central hollow space which can be evacuated. An evacuation or suction device (38) is provided at each suction station and is connected to the auxiliary aperture (28) to allow the mould to be sucked out.</p> |
