Apparatus and method for forming ceramic products

B - Operations – Transporting – 28 – B

Patent

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B28B 7/00 (2006.01) B28B 1/26 (2006.01)

Patent

CA 2656955

An apparatus comprises porous mould means (4), arranged for forming ceramic products (2) from a ceramic fluid mixture (3) comprising a suspension of ceramic material in a liquid, and suction means (28, 32), arranged for sucking at least part of said liquid through said porous mould means (4), and further comprises moving means arranged for reciprocally moving first half -mould means (7) and second half -mould means (9) of said porous mould means (4) for forming between said first half-mould means (7) and said second half-mould means (9) chamber means (10) and for varying the volume of said chamber means (10); a method for obtaining ceramic products (2) comprises pouring in porous mould means (4) a ceramic fluid mixture (3), comprising a suspension of ceramic material in a liquid, sucking at least part of said liquid through said porous mould means (4) and further comprises pressing said ceramic fluid mixture by reciprocally moving first half-mould means (7) and second half-mould means (9) of said porous mould means (4).

L'invention concerne un appareil comprenant un moyen de moulage poreux (4), pour former des produits céramiques (2) à partir d'un mélange de fluide céramique (3) contenant une suspension de matériau céramique dans un liquide, et un moyen d'aspiration (28, 32), pour aspirer au moins une partie dudit liquide à travers ledit moyen de moulage poreux (4), et comprenant en outre un moyen mobile pour appliquer un mouvement réciproque au premier demi-moule (7) et au second demi-moule (9) dudit moyen de moulage poreux (4) pour former entre ledit premier demi-moule (7) et ledit second demi-moule (9) une chambre (10) et pour modifier le volume de ladite chambre (10); un procédé permettant d'obtenir des produits céramiques (2) et consistant à verser dans le moyen de moulage poreux (4) un mélange de fluide céramique (3), contenant une suspension de matériau céramique dans un liquide, à aspirer au moins une partie dudit liquide à travers ledit moyen de moulage poreux (4) et à presser ledit mélange de fluide céramique en appliquant un mouvement réciproque au premier demi-moule (7) et au second demi-moule (9) dudit moyen de moulage poreux (4).

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