Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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
B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
B28B3/22—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded by screw or worm
Verfahren und Vorrichtung zum Herstellen von Formkoerpern, insbesondere von Rohren, unter Druckwirkung aus mit Fluessigkeit abbindenden und erhaertenden Massen