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
Dispositif permettant de maintenir captif un axe d'articulation dans un logement d'un élément de couronnement, tel qu'une grille ou un tampon, d'un regard de chaussé