Presses specially adapted for forming shaped articles from material in particulate or plastic state

BPERFORMING OPERATIONS TRANSPORTING B30Presses B30BPRESSES IN GENERAL

B30B11/00Presses specially adapted for forming shaped articles from material in particulate or plastic state

B30B11/001using a flexible element B30B11/002Isostatic press chambers; Press stands therefor B30B11/003using a roller with radially arranged vanes dividing the pressing space in separate chambers B30B11/004involving the use of very high pressures B30B11/005Control arrangements B30B11/006for roller presses B30B11/007using a plurality of pressing members working in different directions B30B11/008Applying a magnetic field to the material B30B11/02using a ram exerting pressure on the material in a moulding space B30B11/022whereby the material is subjected to vibrations B30B11/025whereby the material is transferred into the press chamber by relative movement between a ram and the press chamber B30B11/027Particular press methods or systems B30B11/04co-operating with a fixed mould B30B11/06each charge of the material being compressed against the previously formed body B30B11/08co-operating with moulds carried by a turntable B30B11/085for multi-layer articles B30B11/10intermittently rotated B30B11/12co-operating with moulds on the circumference of a rotating drum B30B11/14co-operating with moulds on a movable carrier other than a turntable or a rotating drum B30B11/16using pocketed rollers B30B11/165Roll constructions B30B11/18using profiled rollers B30B11/20Roller-and-ring machines B30B11/201for extruding material B30B11/202Ring constructions B30B11/204Rings with adjustable extrusion openings B30B11/205using an annular series of radial die cells, especially for crop material B30B11/207Feed means B30B11/208Roller constructions; Mounting of the rollers B30B11/22Extrusion presses Dies therefor B30B11/221extrusion dies B30B11/222using several circumferentially spaced rollers B30B11/224Extrusion chambers B30B11/225with adjustable outlet opening B30B11/227Means for dividing the extruded material into briquets B30B11/228using pressing means B30B11/24using screws or worms B30B11/241Drive means therefor; screw bearings B30B11/243using two or more screws working in the same chamber B30B11/245using two or more screws working in different chambers B30B11/246Screw constructions B30B11/248Means preventing the material from turning with the screw or returning towards the feed hopper B30B11/26using press rams B30B11/265with precompression means B30B11/28using perforated rollers or discs B30B11/30using directly-acting fluid pressure B30B11/34for coating articles