B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
B28B1/00—Producing shaped prefabricated articles from the material
B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
B28B1/527—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement by delivering the materials on a rotating drum, e.g. a sieve drum, from which the materials are picked up by a felt
Procédé permettant de recouvrir un noyau métallique quelconque d'une couche de matière fibreuse, et dispositif pour la mise en oeuvre de ce procédé.
Procede pour ameliorer la liaison entre plusieurs couches d'un melange humide de fibres et de liant hydraulique, et dispositif pour sa mise en oeuvre