B30BPRESSES IN GENERAL producing ultra-high pressure or ultra-high pressure and high temperature to effect modifications of a substance, e.g. for making artificial diamonds B01J3/00 compressing means for refuse receptacles B65F1/1405This subclass provides for presses in general and also for those presses, for particular purposes, which are not provided for elsewhere.In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. B30B1/00 B30B1/00Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen B30B1/001by explosive charges B30B1/002by internal combustion mechanism B30B1/003by an elastic bag or diaphragm expanded by fluid pressure B30B1/005by thermal expansion or evaporation B30B1/006by a scissor or lazy-tongs mechanism B30B1/007using a fluid connection between the drive means and the press ram B30B1/008by a rod swinging between a fixed plane and the ram B30B1/02by lever mechanism by toggle mechanism B30B1/10 B30B1/04operated by hand or foot B30B1/06operated by cams, eccentrics, or cranks B30B1/08operated by fluid-pressure means B30B1/10by toggle mechanism B30B1/103operated by screw means B30B1/106operated by another toggle mechanism B30B1/12operated by hand or foot B30B1/14operated by cams, eccentrics, or cranks B30B1/16operated by fluid-pressure means B30B1/18by screw means B30B9/3064 takes precedence B30B1/181the screw being directly driven by an electric motor B30B1/183Braking mechanisms for the return movement of the press ram B30B1/185driven through friction roller means B30B1/186Control arrangements B30B1/188driven by a continuously rotatable flywheel with a coupling arranged between the flywheel and the screw B30B1/20driven by hand B30B1/22driven through friction disc means B30B1/23operated by fluid-pressure means B30B1/24by rack-and-pinion means B30B9/3067 takes precedence B30B1/26by cams, eccentrics, or cranks B30B1/261by cams B30B1/263work stroke adjustment means B30B1/265using a fluid connecting unit between drive shaft and press ram B30B1/266Drive systems for the cam, eccentric or crank axis B30B1/268using a toggle connection between driveshaft and press ram B30B1/28the cam, crank, or eccentric being disposed below the lower platen or table and operating to pull down the upper platen or slide B30B1/30by the pull of chains or ropes B30B9/3071 takes precedence B30B1/32by plungers under fluid pressure B30B1/323using low pressure long stroke opening and closing means, and high pressure short stroke cylinder means B30B1/326operated by hand or foot, e.g. using hydraulic jacks B30B1/34involving a plurality of plungers acting on the platen gas operated B30B1/38 B30B1/36having telescoping plungers gas operated B30B1/38 B30B1/38wherein the plungers are operated by pressure of a gas, e.g. steam, air B30B1/40by wedge means B30B1/42by magnetic means, e.g. electromagnetic B30B3/00Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs B30B3/005Roll constructions B30B3/02co-operating with a fixed member B30B3/04co-operating with one another, e.g. with co-operating cones B30B3/045with co-operating cones B30B3/06arranged one within another, e.g. with a roller disposed within a rotating ring and co-operating with the inner surface thereof B30B5/00Presses characterised by the use of pressing means other than those mentioned in the preceding groups B30B5/02wherein the pressing means is in the form of a flexible element, e.g. diaphragm, urged by fluid pressure B30B5/04wherein the pressing means is in the form of an endless band B30B5/06co-operating with another endless band B30B5/062urged by directly-acting fluid pressure B30B5/065using anti-friction means for the pressing band B30B5/067using anti-friction roller means B30B7/00Presses characterised by a particular arrangement of the pressing members B30B7/02having several platens arranged one above the other B30B7/023Feeding or discharging means B30B7/026Spacer elements; Changing means therefor B30B7/04wherein pressing is effected in different directions simultaneously or in turn B30B9/00Presses specially adapted for particular purposes B30B9/02for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material kitchen equipment A47J; filtering, e.g. straining solids from liquids, using presses in combination with filtering elements B01D; expelling water from textile fabrics or laundry D06C, D06F; drying F26 ; clothes presses D06F69/00, D06F71/00 B30B9/04using press rams B30B9/042co-operating with casings mounted on a movable carrier, e.g. turntable B30B9/045co-operating with several adjacent casings B30B9/047Control arrangements B30B9/06co-operating with permeable casings or strainers B30B9/062Extrusion presses B30B9/065for making briquettes, e.g. from paper B30B9/067with a retractable abutment member closing one end of the press chamber B30B9/08co-operating with a rotary casing B30B9/10without use of a casing B30B9/105using a press ram co-operating with an intermittently moved endless conveyor B30B9/12using pressing worms or screws co-operating with a permeable casing B30B9/121Screw constructions B30B9/122Means preventing the material from turning with the screw or returning towards the feed hopper B30B9/124using a rotatable and axially movable screw B30B9/125Control arrangements B30B9/127Feed means B30B9/128Vertical or inclined screw presses B30B9/14operating with only one screw or worm B30B9/16operating with two or more screws or worms B30B9/163working in different chambers B30B9/166the screws being coaxially disposed in the same chamber B30B9/18with means for adjusting the outlet for the solid B30B9/20using rotary pressing members, other than worms or screws, e.g. rollers, rings, discs B30B9/202with co-operating cones B30B9/205using a roller with radially arranged vanes dividing the pressing space in separate chambers B30B9/207Roller-and-ring presses B30B9/22using a flexible member, e.g. diaphragm, urged by fluid pressure B30B9/225the diaphragm being tubular B30B9/24using an endless pressing band B30B9/241co-operating with a drum or roller B30B9/242comprising compartments which are recurrently constricted and expanded B30B9/243The squeezing-out being performed in several stages B30B9/245the edges of the band being folded over the material B30B9/246The material being conveyed around a drum between pressing bands B30B9/247Pressing band constructions B30B9/248Means for sealing the press zone B30B9/26Permeable casings or strainers B30B9/262means disposed in the casing facilitating the squeezing-out of liquid B30B9/265Press cloths B30B9/267Strainer bars; Spacers B30B9/28for forming shaped articles from material in powder, granular, or paste form, e.g. briquetting presses B30B11/00 B30B9/30for balingCompression boxes therefor baling hay, straw, or the like A01F B30B9/3003Details B30B9/3007Control arrangements B30B9/301Feed means B30B9/3014Ejection means B30B9/3017Odor eliminating means B30B9/3021Press rams B30B9/3025Extrusion chambers with adjustable outlet opening B30B9/3028Retaining dogs B30B9/3032Press boxes B30B9/3035Means for conditioning the material to be pressed, e.g. paper shredding means B30B9/3039Fluid removing means B30B9/3042Containers provided with, or connectable to, compactor means B30B9/3046Containers with built-in compactor means B30B9/305Drive arrangements for the press ram B30B9/3053Hand- or foot-operated presses B30B9/3057Fluid-driven presses B30B9/306Mechanically-driven presses B30B9/3064by screw means B30B9/3067by rack-and-pinion means B30B9/3071by the pull of chains or ropes B30B9/3075with press boxes on a movable carrier, e.g. turntable B30B9/3078with precompression means B30B9/3082with compression means other than rams performing a rectilinear movement B30B9/3085using a stationary press ram co-operating with a movable press box B30B9/3089Extrusion presses B30B9/3092with two or more stationary press boxes co-operating alternately with a press ram or simultaneously with press rams B30B9/3096the means against which, or wherein, the material is compacted being retractable B30B9/32for consolidating scrap metal or for compacting used cars B30B9/321for consolidating empty containers, e.g. cans B30B9/322between jaws pivoting with respect to each other B30B9/323operated by hand or foot B30B9/325between rotary pressing members, e.g. rollers, discs B30B9/326provided with shearing means for the scrap metal, or adapted to co-operate with a shearing machine B30B9/327for briquetting scrap metal B30B9/328for making furnace charges B30B11/00Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses for clay or mixtures containing cement B28B; for plastics materials B29 B30B11/001using a flexible element, e.g. diaphragm, urged by fluid pressure; Isostatic presses 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, for the formation of artificial diamonds or boronitrides B01J3/065 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, e.g. two co-operating pocketed rollers B30B11/165Roll constructions B30B11/18using profiled rollers B30B11/20Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring 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 pressesDies therefor extruding by the use of roller-and-ring machines B30B11/20 B30B11/221extrusion dies B30B11/222using several circumferentially spaced rollers, e.g. skewed rollers B30B11/224Extrusion chambers B30B11/225with adjustable outlet opening B30B11/227Means for dividing the extruded material into briquets B30B11/228using pressing means, e.g. rollers moving over a perforated die plate 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, e.g. tablets B30B12/00Presses not provided for in groups B30B1/00 - B30B11/00 B30B13/00Methods of pressing not special to the use of presses of any one of the preceding main groups B30B15/00Details of, or accessories for, pressesAuxiliary measures in connection with pressing safety devices F16P B30B15/0005for briquetting presses B30B15/0011lubricating means B30B15/0017Deairing means B30B15/0023Drive arrangements for movable carriers, e.g. turntables B30B15/0029means for adjusting the space between the press slide and the press table, i.e. the shut height B30B15/0035using an adjustable connection between the press drive means and the press slide B30B15/0041Control arrangements therefor B30B15/0047releasing means for jammed presses B30B15/0052for fluid driven presses B30B15/0058Inclinable presses B30B15/0064Counterbalancing means for movable press elements B30B15/007Means for maintaining the press table, the press platen or the press ram against tilting or deflection B30B15/0076Noise or vibration isolation means B30B15/0082Dust eliminating means; Mould or press ram cleaning means B30B15/0088Lubricating means B30B15/0011 takes precedence B30B15/0094Press load monitoring means B30B15/281 takes precedence B30B15/02DiesInserts thereforMounting thereofMoulds extrusion dies B30B11/22 B30B15/022Moulds for compacting material in powder, granular of pasta form B30B15/024using elastic mould parts B30B15/026Mounting of dies, platens or press rams B30B15/028Loading or unloading of dies, platens or press rams B30B15/04FramesGuides B30B15/041Guides B30B15/042Prestressed frames B30B15/044Means preventing deflection of the frame, especially for C-frames B30B15/045Mountings of press columns B30B15/047C-shaped frames with means for preventing deflection B30B15/044 B30B15/048Laminated frame structures B30B15/06Platens or press rams B30B15/061Cushion plates B30B15/062Press plates B30B15/064with heating or cooling means B30B15/065Press rams B30B15/067with means for equalizing the pressure exerted by a plurality of press rams B30B15/068Drive connections, e.g. pivotal B30B15/08Accessory tools, e.g. knivesMountings therefor B30B15/10Brakes specially adapted for presses brakes in general F16D B30B15/12Clutches specially adapted for presses clutches in general F16D B30B15/14Control arrangements for mechanically-driven presses B30B15/142controlling the brake or the clutch B30B15/144for stopping the press shaft in a predetermined angular position B30B15/146for synchronising a line of presses B30B15/148Electrical control arrangements B30B15/16Control arrangements for fluid-driven presses pumps per se F04; hydraulic accumulators per se F15B; valves per se F16K; control devices in general G05 B30B15/161controlling the ram speed and ram pressure, e.g. fast approach speed at low pressure, low pressing speed at high pressure B30B15/163for accumulator-driven presses B30B15/165for pneumatically-hydraulically driven presses B30B15/166Electrical control arrangements B30B15/168for pneumatically driven presses B30B15/165 takes precedence B30B15/18controlling the reciprocating motion of the ram B30B15/183Controlling the filling of the press cylinder during the approach stroke of the ram, e.g. prefill-valves B30B15/186Controlling the return movement of the ram, e.g. decompression valves B30B15/20controlling the speed of the ram, e.g. the speed of the approach, pressing or return strokes B30B15/22controlling the degree of pressure applied by the ram during the pressing stroke B30B15/24controlling the movement of a plurality of actuating members to maintain parallel movement of the platen or press beam B30B15/245using auxiliary cylinder and piston means as actuating members B30B15/26Programme control arrangements B30B15/28Arrangements for preventing distortion of, or damage to, presses or parts thereof B30B15/281overload limiting devices in general F16H35/10 B30B15/282using a breakage element B30B15/284releasing fluid from a fluid chamber subjected to overload pressure B30B15/285preventing a full press stroke if there is an obstruction in the working area B30B15/287preventing unintended ram movement, e.g. using blocking devices B30B15/288preventing over-run or reverse-run of the press shaft B30B15/30Feeding material to presses B30B15/302Feeding material in particulate or plastic state to moulding presses B30B15/304by using feed frames or shoes with relative movement with regard to the mould or moulds B30B15/306for multi-layer articles B30B15/308in a continuous manner, e.g. for roller presses, screw extrusion presses B30B15/32Discharging presses B30B15/34Heating or cooling presses or parts thereof