B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
B28B7/00—Moulds; Cores; Mandrels
B28B7/28—Cores; Mandrels
B28B7/30—Cores; Mandrels adjustable, collapsible, or expanding
B—PERFORMING OPERATIONS; TRANSPORTING
B28—WORKING CEMENT, CLAY, OR STONE
B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
B28B7/00—Moulds; Cores; Mandrels
B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
B28B7/18—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article
Landscapes
Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
Chemical & Material Sciences
(AREA)
Ceramic Engineering
(AREA)
Mechanical Engineering
(AREA)
Forms Removed On Construction Sites Or Auxiliary Members Thereof
(AREA)
Element nervure et dalle composee de tels elements ainsi que le procede de fabrication de ces elements et les moyens en vue de la mise en oeuvre de ce procede
Élément de construction préfabriqué, bâtiment comprenant ledit élément de construction et procédé de fabrication de l'élément de construction associé
Plaque de construction pour la réalisation d’ouvrage, procédé de fabrication d’un dispositif intégré dans la plaque de construction et procédé de fabrication d’une telle plaque