B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
B28B3/027—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form using a bottom press ram actuated upwardly towards mould covers
Dispositif sur un banc d'etirage pour des meches textiles, ayant des paires de rouleaux disposes l'un apres l'autre et un dispositif de nettoyage pour chaque rouleau superieur