| 摘要 |
PCT No. PCT/FR92/00424 Sec. 371 Date Nov. 12, 1993 Sec. 102(e) Date Nov. 12, 1993 PCT Filed May 14, 1992 PCT Pub. No. WO92/20502 PCT Pub. Date Nov. 26, 1992.A method and apparatus for manufacturing a building block by molding under pressure a mixture of a hydraulic binder such as plaster, an inert filler such as sand, and water, by passing a mold (50) through various stations, including a station (A) for filling the mold with a measured quantity of the mixture (56), a station (B) for installing a mold top plate (38), a station (C) for compressing the mixture in the mold, a station (D) for keeping the top and bottom plates (38, 40) in place in the mold, a station (E) for withdrawing the top plate (38), and an unmolding station (F). |
