Automatic manufacture of concrete building blocks

Details Automatic manufacture of concrete building blocks Automatic manufacture of concrete building blocks

B - Operations, Transporting

28

B

25/80

B28B 7/16 (2006.01) B28B 23/00 (2006.01)

Patent

CA 1119785

ABSTRACT OF THE DISCLOSURE A machine for automatically manufacturing batches of concrete blocks incorporating foamed polystyrene inserts on mating contact with the concrete of the blocks comprises a magazine for the inserts, a mould for a batch of blocks, a bin and truck arrangement for storing then transferring concrete grout to the mould, and another truck for transferring batches of inserts from the magazine to the mould. The mould is open at the bottom and can be held in a raised position above the floor and then lowered to the floor which then closes off the bottom of the mould. In the process using the machine, a batch of inserts is transferred to the mould when it is in its raised position and are secured within the mould by impalement on spikes mounted on the underside of a cover plate forming the top of the mould. The mould is then lowered until closed off by the floor. A suitable quantity of grout is transferred to the lower mould where it is compressed by a ram and compacted by a vibrator. When the concrete grout has set the mould is drawn upwards off the finished blocks leaving them on the floor which is fixed if the remainder of the machine is movable, or is movable if the remainder of the apparatus is fixed. The inserts in the block thus formed are embedded in the concrete in mating contact therewith. The machine operates respectively making a series of batches of blocks.

302187

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