B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
B30B11/22—Extrusion presses; Dies therefor
B30B11/26—Extrusion presses; Dies therefor using press rams
B—PERFORMING OPERATIONS; TRANSPORTING
B30—PRESSES
B30B—PRESSES IN GENERAL
B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
B30B15/0082—Dust eliminating means; Mould or press ram cleaning means