| 摘要 |
An apparatus and process for the manufacture of brick block, i.e. a concrete chimney or wall block, with an impressed brick grout pattern on the face thereof, comprises a mold adapted to fit a known concrete block manufacturing machine. The mold has grout bars to impress a simulated laid brick pattern onto at least one vertical face of the block, the grout bar moveable in and out from a wall of the mold by hydraulic components. The hydraulic components utilize a unique multi-piston hydraulic block.
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