A method and apparatus for modifying the surface texture of...

Details A method and apparatus for modifying the surface texture of... A method and apparatus for modifying the surface texture of...

B - Operations, Transporting

28

B

B28B 19/00 (2006.01) B28B 7/00 (2006.01)

Patent

CA 2518188

A method for modifying the surface texture of pre-cast building blocks said method comprising pressing cementitious material within a mould into pre-cast blocks and applying pressure on the surface of pre-cast blocks obtained in step so as to modify the texture thereof. The blocks are provided with adequate time for curing and then their texture can be further modified. An apparatus for modifying the surface texture of pre-cast building blocks including a pressure-applying device so positioned as to selectively engage blocks and being adapted to apply a pressure on the surface of blocks so as to modify their texture thereof prior to curing of the blocks. Also disclosed A spacer for spacing adjacent blocks apart at a pre-determined distance when the modifying the surface texture of these blocks as well as a block- stabilizing device for stabilizing blocks during surface-texture modification operations

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