Abstract: The invention discloses differing embodiments of trash management systems and methods for the disposal and/or collection of trash. In one embodiment under the invention, a trash management system may include a mobile cart, a trash vessel connected to the cart, a piston adapted to compact trash within the trash vessel, and a passageway adapted to be connected to a vacuum trash disposal. The piston may be adapted to travel from one position to a second position, and back from the second position to the first position. This movement of the piston may be achieved utilizing multiple passageways which are each adapted to be connected to a vacuum source and a vent source.

Abstract: An integrated system for: complete waste compactor operational control; remote fullness monitoring; and, remote performance and maintenance diagnostics. Such diagnostic information is transferred wirelessly or otherwise to one or more recipients, so as to directly provide a critical warning in real time. The waste compactor controller/monitor system allows for periodic real-time oil viscosity measurements of the hydraulic fluid to account for changes in such viscosity. The system adjusts the timing of the compactor stroke to permit more efficient operation and inhibit damage to the hydraulic ram and/or container during use.

Abstract: A plunger-cylinder assembly for a press including a plunger which is accommodated at least in part in a cylinder while separating the interior of the cylinder into two partial chambers along the cylinder axis. A relieving device which counteracts an increase in pressure of a fluid accommodated in the first partial chamber is disposed in at least one first partial chamber the increase in pressure being caused by a movement of the plunger along the cylinder axis in the direction of the first partial chamber. A hydraulic press encompassing such a plunger-cylinder assembly is also described.

Abstract: A stack fastening device includes a base, on an upper surface of which a stack is loaded, a compression plate, which has a flat configuration and is placed over the stack to press the stack, and a plurality of vertical beams, which are installed on the base to extend vertically so that the upper end portion of the beams projects out through the edge of the compression plate, A thread is formed in an upper end portion of each vertical beam, nuts are threadedly coupled to the thread such that the nuts can be tightened against upper and lower surfaces of the compression plate, and engagement grooves are defined in the upper surface of the compression plate so that a head of a hydraulic cylinder can be coupled to the compression plate.

Abstract: This invention relates to a unit for compacting waste prior to disposal. The invention provides a waste compaction unit for fitting into a housing comprising a lid and an interior for collecting waste, the compaction unit comprising a plunger comprising bellows housed in said lid; a pneumatic locking mechanism housed in said lid; and a pump connected to the plunger via said locking mechanism wherein the pump is arranged in operation to activate the locking mechanism prior to inflating the bellows to extend the plunger axially towards the bin interior such that any waste collected therein is compacted.

Abstract: A two stage oil filter press having a housing with a precompression chamber and a main compression chamber together with a vertically reciprocating precompression ram and a horizontally reciprocating main compression ram powered by individual fluid cylinders. A feed chute with a scoop is raised through a void in the hopper created by a baffle which insures feeding a measured quantity of spent oil filters to the precompression chamber through a feed window. A main compression chamber is defined at the lower end of the precompression chamber by the lower horizontal end surface of the precompression ram, the floor, a pair of side walls of the precompression chamber, the thrust end of the main compression ram and a discharge door.

Abstract: A split-trash compacting system for a vessel having a plurality of compartments comprising a trash compacting assembly disposed in a first compartment of the vessel readily accessible to persons on the vessel for receiving and compacting trash. At least one fluid actuator unit is provided for forcing the compacting head downward into a trash bin for compacting trash during a compaction cycle and retracting the compacting head during a retraction cycle. A fluid actuating assembly is disposed in a second compartment of the vessel remote from the trash compacting assembly for supplying pressurized fluid to the trash compacting assembly for actuating the fluid actuator unit. At least one fluid line connecting the fluid actuator in the first compartment and the fluid actuating assembly in the second compartment.

Abstract: An organic foliage compactor for compacting organic foliage into a bale is disclosed. The compactor includes a compactor frame and a compacting tube coupled to the compactor frame. The compacting tube includes a first end, a second end and a housing that defines an interior passage extending between the first end and the second end through which the organic foliage is urged to compact the organic foliage. A feed tube to which the organic foliage is to be introduced is in communication with the compacting tube. A driver provides an urging force to be imparted on organic foliage introduced to the feed tube, and a platen is operatively coupled to the driver for urging organic foliage introduced to the feed tube into the compacting tube where it is compacted as the organic foliage progresses through the interior passage defined by the housing between the first end and the second end of the compacting tube as a substantially steady-state process.

Abstract: A pneumatic press includes a hose actuator, a backing support for the hose actuator, and a material support. The backing support is adapted to be secured to a rigid work surface. The material support is positioned in spaced relation to the backing support. When the hose actuator is inflated it expands outwardly to press material against the material support. The hose actuator is placed under vacuum in order to facilitate insertion and removal of material.

Abstract: An empty container pressing apparatus is disclosed. The empty container pressing apparatus includes at least one pressure applying cylinder section in which a first cylinder chamber and a second cylinder chamber separated by a pressure receiving piston which slides in a cylinder chamber having the first cylinder chamber and the second cylinder chamber are disposed. In addition, an inlet to which a pressure applying medium supplied from the outside is input and an outlet which drains the input pressure applying medium is connected to the first cylinder chamber. Further, the empty container pressing apparatus includes at least one pressing section which is connected to the pressure applying cylinder section and provides a pressing piston that moves together with the pressure receiving piston via a pressure transmitting member and applies pressing force to a empty container, and the empty container is pressed.

Abstract: A modular press assembly for performing multiple position pressing with a single press. The modular press assembly includes a floating mount attached to the upper platen of the press, a hydraulic cylinder, and a press ram coupled to the cylinder which automatically guides itself precisely into axial alignment with a die situated on a lower platen and containing material to be pressed. A plurality of such press assemblies are mounted on the upper platen and are connected through respective flow control valves to an independent hydraulic control system to allow adjustment of the travel of the multiple press rams. This configuration facilitates multiple position pressing and equally divides the total press force from the single hydraulic press, distributing it among each of the multiple positions independent of the final height of each pressed body.

Abstract: A plastics waste processor is provided for efficiently compacting and melting plastics waste, so as to form easily disposable compact plastic units having a volume considerably smaller than the unprocessed plastics waste. The plastics waste processor has a waste containment chamber, a rotating chamber door, a jam breaker bar to facilitate opening of the door when jammed by melted plastic waste, pneumatically driven waste compaction means with plastic shedding rams, a waste containment chamber heating system, a processor temperature monitoring means, a cooling means, and a control means. Further a cable and hose management system is provided for protection of moving cables and hoses, as well as a washdown system for automatic cleaning of the processor.

Abstract: An aircraft trash management system including a, trash bag, a trash compactor, a modified bilge drain valve and an improved control valve assembly. The trash bag has a porous bottom and non-porous sides. The bottom of the trash bag is impregnated with a non-leaching antibacterial and a leaching enzyme. The trash compactor has two chambers separated by a movable wall. One chamber is the compacting chamber and is sealable from ambient cabin pressure and the other chamber is always open to cabin pressure. The bottom of the compacting chamber is provided with an upper drain and a lower drain. The modified bilge valve provides a fluid path to the atmosphere outside the aircraft. The inventor also relates to a central valve assembly for simultaneous compacting and draining.

Abstract: The invention relates to a device for vacuum-pressing of disk-shaped substrates, in particular DVD substrates into a finished DVD, wherein the device has a vacuum chamber with two substrate holders and an intermediate element that can be displaced inside the vacuum chamber; and wherein the intermediate element divides the vacuum chamber into a first low-pressure chamber and a second chamber that can be alternatingly connected to vacuum or to an overpressure, which makes the device particularly suited for use with a hot-melt thermoplastic adhesive.

Abstract: A press, especially a precision cutting press, for producing precision cut parts from a metal strip or a preform by means of a tool, which is fixed to a top tool clamping plate and a bottom tool clamping plate, wherein a tappet is allocated to one of the tool clamping plates. The tappet is supported against an element fixed to the machine by means of at least one tappet drive piston unit, which is fixedly connected to an opposite element that is also fixed to the machine by means of at least two guide columns, the other tool clamping plate being disposed in said element, whereby the tappet can be displaced along the guide column.

Abstract: The pressing method includes the first step of displacing a sub-piston provided within a sub-cylinder from its initial position to press working fluid such that the working fluid is introduced via a check valve into a main cylinder to displace a main piston provided therein, and the second step of causing the sub-piston to return to the initial position such that the working fluid is supplied to the sub-cylinder. The first and second steps are repeated successively until the working fluid in the main cylinder attains a prescribed pressure level. With this method, variation in the way of pressing an object is alleviated, contamination due to the working fluid is prevented, and downsizing of the pressing mechanism is enabled.

Abstract: The present invention relates to a press which comprises a pressure vessel having an internal closure. The internal closure comprises a cover, a number of elements for transmitting forces in pressurised operation between the cover and the inner wall of the pressure vessel. Each element has a first contact surface adapted to fit a contact surface of the cover and a second contact surface adapted to fit a contact surface of the inner wall of the pressure vessel. Said elements are movable away from said contact surface of the cover and said contact surface of the inner wall of the pressure vessel in the direction of the longitudinal centre axis of the pressure vessel. The invention also relates to a method for opening a pressure vessel.

Abstract: A high-pressure press includes a pressure vessel surrounded by a force-absorbing press framed. The high-pressure press also includes a detection structure for detecting changes in length of at least one column comprised in the press frame, the changes in length depending on the pressure inside the pressure vessel. The detection structure includes a limit switch which is adapted to detect if the change in length of the column has reached a threshold value and, in that case, interrupt a pressing operation in progress and reduce the pressure inside the pressure vessel.

Abstract: An apparatus for compressing objects includes a base plate, a frame and a ram head guided so as to be displaceable on the frame. Forces may occur in the peripheral direction of the ram head during the compression of bulky objects. The ram head is rotatable relative to the frame in order to reduce the forces introduced into the frame.

Abstract: The invention relates to a method of operating a hydraulic pressing unit, in particular manual pressing unit, and a pressing unit of this type, it being the case that the pressing unit has a hydraulic pump, a moving part, a stationary part and a non-return valve, that, furthermore, the moving part is displaced into a pressing position by the build-up of a hydraulic pressure and the non-return valve moves automatically into an open position only in the presence of a predetermined hydraulic pressure corresponding to a pressing pressure, and that, furthermore, the moving part is configured for moving back automatically from the pressing position into an end position under the action of a restoring spring and the non-return valve is configured only to close once the moving part has reached the end position.

Abstract: A double action oil hydraulic press is provided having a main cylinder for actuating a slide and a lower part forming cylinder for actuating a lower part forming unit, wherein the operations of the cylinders are controlled through the combined control of the rotation of an oil hydraulic pump of a power unit and servo valves whereby the amount of operation oil that must be used is reduced.

Abstract: A high pressure press for treatment of substances such as food including a floating piston (10) in a pressure chamber with sealing means (11, 12). The floating piston (10) comprises drainage means for collecting any pressure fluid that leaks past a sealing means (11, 12) of the floating piston. The drainage means comprises a pressure reducer arranged inside said floating piston. The drainage means also comprises an elastometic pad which is so arranged as to supply an underpressure to a space (24) where pressure fluid leaking past a seal may collect. Collected pressure fluid is returned to the pressure chamber later in the cycle. The invention also relates to a method for operating a high pressure press and use of a high pressure press.

Abstract: A hydraulic press which is small in the temperature rise of hydraulic oil, which can dispense with a water-cooling cooler, which is compact in size and which can realize energy saving is provided. A pressure receiving area of a high speed descent first cylinder chamber 51 and a pressure receiving area of a high speed ascent second cylinder chamber 52—are set equal to each other, and a closed circuit which ranges from the second cylinder chamber 52 to the first cylinder chamber 51 through a hydraulic passage 31, a hydraulic pump 7 and a hydraulic passage 34 is constituted. Using an alternating current servo motor 6, the number of revolutions of the hydraulic pump 7 in positive and counter directions is controlled to thereby control advancement and regress speeds and pressure of a piston member 54.

Abstract: The invention is concerned with a hand held hydraulic pressing apparatus (1) with a hydraulic cylinder (8), in which a hydraulically actuated piston can be displaced to carry out a pressing or cutting operation. The apparatus has a piston head (5) and a piston shank (16), the piston shank (16) being connected to a tool carrier (10). The tool carrier (10) is part of an inter-changeable apparatus head (9). In order to simplify to change the apparatus head, the invention proposes, that an interchangeable apparatus head (9) has in each case a piston shank (16) with a return spring (22).

Abstract: A coating press contains a press frame, press cylinders supported by the press frame, an upper press platen connected to the press cylinders, a lower press platen supported by the press frame, at least one pressure plate, and at least one pressure compensating cushion disposed between the upper press platen or the lower press platen and the pressure plate. The pressure compensating cushion is a hydraulic cushion having a lateral edge closure, a hydraulic medium, and covers including an upper cover and a lower cover. The upper and lower covers along with the lateral edge closure define a pressure-tight inner space filled with the hydraulic medium. A press controller is further provided.

Abstract: The invention concerns an impact machine for forming a body with desired shape of a formable working material through impact action in a forming operation, said impact machine comprising a machine stand (6), an upper unit which comprises either a lower impact unit (3), which comprises a counter-impact device, or a stationary anvil, and a central unit between the upper and the lower units.

Abstract: A press having a machine frame section (10) and a movable section capable of reciprocal movement in a vertical direction relative to the machine frame section, for making products using a pair of dies. The movable section includes a slide (24) to which one of the pair of dies is mounted, and a horizontal guide surface is formed on one of the machine frame section and the movable section. A drive slider (51, 52, 53, 54) has a horizontal sliding surface facing the horizontal guide surface and an inclined sliding surface inclined at a specified angle, and is movably joined to the one of the two sections. A swash plate (51, 52, 53, 54) has an inclined guide surface facing the inclined sliding surface, and is fixed to the other of the two sections. A linear motor (1a, 1b, 2a, 2b, 3a, 3b, 4a, 4b) causes the drive slider to reciplocate along the inclined guide surface of the swash plate through a larger stroke.

Abstract: A hydraulic press which is small in the temperature rise of hydraulic oil, which can dispense with a water-cooling cooler, which is compact in size and which can realize energy saving is provided. A pressure receiving area of a high speed descent first cylinder chamber 51 and a pressure receiving area of a high speed ascent second cylinder chamber 52 are set equal to each other, and a closed circuit which ranges from the second cylinder chamber 52 to the first cylinder chamber 51 through a hydraulic passage 31, a hydraulic pump 7 and a hydraulic passage 34 is constituted. Using an alternating current servo motor 6, the number of revolutions of the hydraulic pump 7 in positive and counter directions is controlled to thereby control advancement and regress speeds and pressure of a piston member 54.

Abstract: An arrangement of a die-plate of a hydraulic press to press powdered material into shape wherein an upper ram and a lower ram interact with a bore of the die-plate wherein the die-plate is supported via vertically arranged supporting standards which, along with upper supporting portions which are cantilevered towards the axis of the die-bore, define upwardly facing bearing areas located close to the die-bore for the die-plate.

Abstract: A safety device for a pneumatic membrane press with door(s) comprises at least one unit for controlled establishment of a leak, each optionally associated with a cooperating opening/door assembly. Each unit includes an actuator module comprising an opening for receiving a key mounted on the door of the press and an actuating member whose position depends on the presence or not of the key in the opening; and a valve module comprising a sealing member for a circulation duct between an aperture in fluid connection with one or more inflation volume(s) pressurised when the press is pressurised and an aperture opening into the open air, the actuating member allowing the closure of the duct by the sealing member when the key is in the receiving opening and forcing the freeing of the duct when the key is not in the opening.

Abstract: A method for minimizing the spread of the maximum compression forces in compacting powder, specifically metallic powder, by means of a powder press which has a die-plate, an upper ram, and at least one lower ram which are associated with a die-bore and are respectively operable by a hydraulic press cylinder, and a charging shoe movable on the die-plate along a predetermined path for filling the die-bore with the powder, wherein the maximum compression force of at least the upper ram is measured upon arrival at a predetermined position, the charging shoe, the die-plate, the upper ram and/or lower ram are vibrated at a predetermined frequency and amplitude during the filling operation and/or at the beginning of the compression procedure and, in addition, the filling time or the course of charging shoe motion in time are predetermined, wherein the frequency distribution of the maximum compression force values is determined at intervals and the standard deviation is determined therefrom for the maximum compressio

Abstract: A hydraulic press for compressing metallic powder or the like to form compacts, comprising a die-plate, an upper ram, and at least one lower ram which interact with a die-bore and are operable each by a dual-action hydraulic press cylinder, whereby a limited dead path length is provided for the return stroke in the force path between the press cylinder and the upper ram in which the upper ram is not carried along, and that a separate pressure generator producing a variable pressure is arranged in parallel with the force path via which a compression force is produced on the upper ram during the dead path length.

Abstract: A press assembly for use in a paper-making machine includes a roll, a first air press backing assembly and a second air press backing assembly. The first air press backing assembly and the second air press backing assembly each include an inner wall, an outer support structure and a plurality of inflatable hoses interposed between the inner wall and the outer support structure. The inner wall is positioned adjacent to and defines an air chamber with the roll.

Abstract: The press working apparatus of the present invention is adapted so that the apparatus moves at a large moving speed in a first stroke stage before the press working of a workpiece, and a large pressing force is produced at a second stroke stage at which the workpiece is about to be pressed.

Abstract: Improvements are provided in an apparatus and a method for shredding blocks of cheese. The apparatus includes an elongated cheese chamber having an open side face for the admission of a block of cheese, which is urged into the elongated cheese chamber by a loading piston, a longitudinally-extending side plate and a floor surface for slidingly-engaging a block of cheese. An extruding piston is provided to force the cheese downstream within the elongated cheese chamber. The improvement includes an extrusion grid plate which is fixed at the downstream end of the elongated cheese chamber having a plurality of elongated, parallel, horizontal and vertical, knife-edges constituting a plurality of rectangular openings. A rotatable shredder assembly including an overlapped disc is sited immediately downstream of, and is in longitudinal abutment with, the extrusion grid plate, to prevent undesired escape of the extruded cheese.

Abstract: An apparatus for crushing cans, including a crush chamber, an air control valve, a pneumatic air chamber, a key lockable air supply assembly, and a plurality of air hoses. The crushing mechanism or apparatus includes the air chamber, a guide plate, and a crush plate. The control valve requires that the lid be in closed position in order to activate the apparatus. The housing also includes a removable liner; the liner is generally U-shaped in cross-section and has a curved portion along its upper edge for hanging the liner inside of the crush chamber.

Abstract: A hydraulic press including a cylinder barrel, a piston and a seal housing. The cylinder barrel has an inner peripheral surface. The piston has a pressure side surface and is inserted in the cylinder barrel to form a chamber between the pressure side surface of the piston and the inner peripheral surface of the cylinder barrel. The chamber is configured to contain a hydraulic fluid. The seal housing includes an outer peripheral surface and an inner space which has an inner peripheral wall and which is configured to contain the hydraulic fluid. The seal housing is provided on the pressure side surface of the piston such that the outer peripheral surface is in contact with the inner peripheral surface of the cylinder barrel and such that the hydraulic fluid in the inner space presses the seal housing against the inner peripheral surface.