Press and mould for precast cementitious article

B - Operations – Transporting – 28 – B

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B28B 3/02 (2006.01) B28B 3/06 (2006.01) B28B 7/22 (2006.01)

Patent

CA 2365786

Disclosed herein is a press and mould apparatus for moulding cementitious articles comprising a precast mould and a press head having a pressing surface and being moveable between precast mould engaging and disengaging positions, wherein the pressing surface comprises a coating of deformable and resilient material such as urethane. Also disclosed is a process for moulding building blocks. This process comprising filling a precast mould with material, such as concrete, that is to be pressed; and pressing the material with a pressing surface comprising a deformable and resilient coating so as to solidify the material into a green shape ready for curing.

Cet article présente un ensemble presse et moule destiné à mouler des matériaux cimentaires, constitué d'un moule de prémoulage et d'une charge présentant une surface de pression, qui peut être retirée entre les positions d'engagement et de désengagement du moule, dans lequel la surface de pression comporte un enrobage de matériau déformable et souple, tel que l'uréthane. Est également présenté un processus de moulage de blocs de maçonnerie. Ce processus inclut le remplissage d'un moule avec un matériau, comme du béton, qui doit être pressé. Le matériau est pressé avec une surface de pression présentant un enrobage déformable et souple, pour le solidifier en une forme verte prête pour le durcissement.

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