Abstract: A high capacity square baler comprising a pickup mechanism configured to pick up a single windrow of crop material off the ground. The baler additionally comprising one or more stuffer chutes each configured to receive at least a portion of the crop material picked up by the pickup mechanism. The baler additionally comprising one or more stuffer assemblies each configured to push crop material generally upward through one or more of the stuffer chutes. The baler additionally comprising a plurality of bale-forming chambers each configured to receive crop material from one or more of the stuffer chutes. The baler further comprising a plurality of knotter assemblies each associated with one of the bales forming chambers and each configured to wrap and tie securement lines around each formed bale. The knotter assemblies are configured to operate independently of one another, such that formed bales can be tied at different times.

Abstract: An improved floating jaw assembly to a machinist vise assembly capable of holding a plurality of individual workpieces, the vise assembly generally including a base with a way or ways, a fixed jaw mounted on the ways, at least one movable jaw slidably mounted on the ways to move toward and away from the fixed jaw on a longitudinal axis in such a manner that at least one workpiece can be securely held between the fixed jaw and the at least one movable jaw, and a mechanism for moving the movable jaw toward and away from the fixed jaw to clamp and unclamp workpieces.

Abstract: A compacting apparatus including: a compression plate, a piston having a surface facing the compression plate, and a drive mechanism configured to alternately move the piston towards and away from the compression plate such that an object may be compacted between the compression plate and said surface of the piston, wherein the drive mechanism can be positioned inside or partly outside the piston. Also, a reverse vending machine comprising such a compacting apparatus, use of such a compacting apparatus, and a method of compacting objects.

Abstract: A double-acting apparatus and method for manufacturing metal scrap compression materials, in which a variety of shapes of collected metal scrap are compressed into pieces having a standardized shape such that they can be directly loaded into a blast furnace, thereby enhancing productivity. Two compression chambers are disposed at both sides of a first compression cylinder such that metal scrap is loaded into the compression chambers. In particular, when one of first press plates moves forward inside a first compression space of one of the compression chambers, the other one of the first press plates moves backward and returns to an idle position.

Abstract: A press assembly for fibrous substance including a tramper assembly with a tramping chamber and a tramper, the tramper being movable along a length of the tramping chamber, and a main compressor including a main compression box and a follow block, the follow block being movable along a length of the main compression box.

Abstract: A press has an upper traverse, a lower traverse below the upper traverse, and vertical frame elements extending between the traverse, fixing same together against relative movement, and forming a rigid frame with the upper traverse and lower traverse. A central traverse is vertically reciprocal on the elements between the upper and lower traverses. A workpiece is fed horizontally through the press between the upper traverse and the central traverse. A stationary support is provided adjacent the frame, and the frame is supported for at least limited vertical movement relative to the support. A drive connected between the support, the frame, and the central traverse vertically reciprocates the frame and the central traverse relative to the support.

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: Modular fruit juice extraction apparatuses and systems are provided that comprise, for example, a linear actuator (2) effective to drive, by back and forth motion, a moveable peeler cup (4) in communication with each of two ends of the extraction apparatus. In such embodiment, each moveable peeler cup (4), comprising concave and radially cut hemispheres, moves against a respective fixed peeler cup (3), and thereby compresses a fruit (19) contained therein to obtain its juice, which passes through a filtering device (7) disposed in each respective fixed peeler cup (3). A plunger (8) is variously driven through the filtering device (7) to remove the fruit core (13). Other embodiments include an embodiment in which a linear actuator (202) drives both external moveable peeler cups (203) and internal moveable peeler cups (204).

Abstract: A movable cylinder (20) is provided with an inner cylinder chamber (21) and an outer cylinder chamber (31) which surrounds the inner cylinder chamber. The inner cylinder chamber is provided with an inner piston (22) inserted therein, which is integrally secured to the stationary rods. The inner cylinder chamber is also provided with an inner front inlet (25), an inner rear inlet (26), an inner rear outlet (27) and an inner front outlet (28), for working fluid to move the movable cylinder. The outer cylinder chamber is provided therein with an outer piston (32) having a front operation member (33) which is moved close to or away from the front stationary table and a rear operation member (34) which is moved close to or away from the rear stationary table. The outer cylinder chamber is also provided with an outer rear inlet (35) which is connected to the inner rear outlet and an outer front inlet (36) which is connected to the inner front outlet, for the working fluid to move the outer piston.

Abstract: A waste and recyclables materials compaction and handling apparatus includes a storage container for the materials. An elongated charging hopper is defined adjacent to and alongside the storage container for receiving the materials, the charging hopper having open end portions defining pathways leading into the interior of the storage container. A packing head is mounted for travel within and along the charging hopper between the open end portions and at least one driver is connected to the packing head to effect the travel thereof along the charging hopper between positions adjacent the open end portions. The packing head has opposed packing faces adapted to engage the materials placed in the charging hopper.

Abstract: In accordance with the principles and concepts of the invention, apparatus and methods for assembling pre-cut members into trusses and joists and splicing pre-cut members into truss chords are presented. According to the invention, a splicing apparatus for connecting chord members end-to-end comprises a table having a table surface for supporting abutting chord members, a gantry press mounted adjacent to the table surface and configured to move relative to the table surface, the gantry press having at least two press rollers, each press roller having a peripheral surface positioned a successively closer clearance distance to the table surface.

Abstract: A multistation press, particularly a suction device press, for machining sheet metal parts is provided for the successive machining of workpieces in several stages. Several press stations are arranged behind one another so that workpieces pass through the stations successively. At least one transfer device transports the workpiece. A common driving device for all press stations has a drive shaft divided into shaft sections. At least one press station is assigned to each shaft section. Slides are driven by the drive shaft and are assigned to one press station, respectively. An adjustable coupling is provided between two successively arranged shaft sections for adjusting a specific phase shift between two successive press stations.

Abstract: Residues are found to be stored in the compartments of a multiple container, located in homes, restaurants, cafeterias, etc. The residues thus classified are treated by the user himself who places the residues of the same type in the machine object of the invention, which will be another electrical appliance in homes and premises. The process consists of compacting each type of residue, forming briquettes with a spherical, cylindrical, prismatic shape, etc. formed in the compacting chamber of the machine. A binding material, such as a resin or the like and simultaneously a dye that indicates in accordance with a color code, the type of residue of the briquette, are injected on the briquette in a final stage. After polymerization and solidification, the briquettes are diverted automatically to a storage chamber for their subsequent transfer. The machine includes a compacting chamber with a side wall and another top wall movable by means of respective hydraulic cylinders.

Abstract: A method and apparatus for loading bulk materials is disclosed. The apparatus of the present invention comprises a track and a frame movable on the track between a retracted and extended position. A first plate is movably mounted on the frame, and a ram is operably connected to the first plate for moving it between a retracted and extended position. A feeder may also secured to the frame. In operating a press such as the one disclosed, the frame and plate are moved within the container, a compressible material is transferred into the container, the compressible material is compressed, and the frame and plate are moved to a position outside the container. The steps of transferring compressible material into the container and compressing it may be repeated as desired. The frame may also be equipped with a second plate in which case one plate may be compressing material while additional compressible material is simultaneously being transferred into another portion of the container.

Abstract: A modular oscillating head, particularly for stretching and softening industrial hides and similar products, comprising flexible mats (31, 32) for the continuous longitudinal advancement of the hides between at least one pair of plates with facing tools upon which actuation means act for producing their relative oscillation along a working plane (n) substantially perpendicular to that of the advancement. Two moving plates (7, 8) are provided anchored to respective beating bodies (3, 4) positioned on opposite sides with respect to a fixed supporting structure (2) along the working plane (.pi.). The beating bodies (3, 4) are provided with a symmetrical oscillating movement with respect to the central structure in the working plane (.pi.).

Abstract: In a machine press with at least three slides, the phases for the stroke of a leftmost slide and a rightmost slide are made identical. The strokes for other slides interposed between the leftmost and rightmost slides are out of phase with the leftmost and rightmost slides. The lower dead point of each slide is the point of maximum pressure. Since the difference in phase of the strokes of the slides causes the lower deadpoints of the leftmost and rightmost slides to occur either before or after the lower deadpoints of the other slides, the total instantaneous eccentric load on the multiple slide machine press is reduced.

Abstract: A punch press having connecting rods which face away from each other are arranged on the eccentric shaft, and each connecting rod is coupled to a connecting lever. Two toggle joint mechanism units are connected to one connecting lever. Two further toggle joint mechanism units are connected to the other connecting lever extending in the opposite direction. The first named toggle joint mechanism units are connected via pressure columns to a first ram. The second named toggle joint mechanism units are connected via further pressure columns to a second ram. Due to the driving structural members which are arranged symmetrically distributed relative to the eccentric shaft of the punch press and the two rams arrived that thereby, the punch press can feature an extremely long space for receipt of the tools without that the height of the punch press, the allowable rated loading and the moving masses must be held overally large.

Abstract: A multi-slide mechanical press comprising a plurality of slides, wherein each of the slides is provided with a guide that reciprocatingly drives the associated slide, without having to increase the pitch between slides, and that makes it possible to eliminate the effects of the presence of a gap around a slide adjust screw section. In the multi-slide mechanical press, the upper section of each slide is prismatic, while the lower section is cylindrical. Pressure-bearing guides disposed at the frame are provided so as to oppose the front and back sides of the prismatic section. A cylindrical guide provided in the frame for the cylindrical section of each slide guide guides the slide vertically but without allowing it to rotate.

Abstract: A compacting apparatus includes a first elongate compaction chamber having a first end and a second end and a second elongate compaction chamber having a first end and a second end. The second compaction chamber is in parallel spaced relation with the first compaction chamber. A first compaction ram is in axial alignment with the first compaction chamber. The first ram is movable from a starting position at the first end telescopically into the first compaction chamber. A second compaction ram is in axial alignment with the second compaction chamber and movable from a starting position at the first end telescopically into the second compaction chamber. A gate is provided for closing the second end of the first compaction chamber. A gate is provided for closing the second end of the second compaction chamber. The first ram and the second ram move in opposite directions.

Abstract: A two-stage compaction device for compressing residue metal waste and squeezing excess fluid from the waste, having a pre-compaction cylinder, a pair of compaction chambers, and a pair of die cylinders, all aligned along a common horizontal axis; each of the compaction chambers has an ejection plunger and ejection slot for removing compressed pellets of metal waste and for draining excess fluid accummulations. The pre-compaction cylinder and the die cylinders have pistons within the compaction chamber, and the actuation of the pistons is controlled to first compress residue waste material in one compaction chamber and then to compress residue metal waste material in the other compaction chamber while the ejection plunger is activated in the first chamber to eject the previously compressed pellet.

Abstract: A desynchronously opened, stacked, multi-parting molding system includes left, center and right molding blocks for defining a left molding cavity between the left and center molding blocks and a right molding cavity between the center and right molding blocks; a positioning mechanism for moving the left, center and right molding blocks along a common axis with respect to each other for desynchronously opening and closing the left and right molding cavities by retracting the first means and for simultaneously clamping both molding cavities in a closed position by protracting the first means, a locking mechanism for locking one molding cavity in a closed position while both molding cavities are clamped in a closed position and for maintaining the one molding cavity in a closed position while the other molding cavity is in an open position; and a clamping mechanism within at least one of the molding blocks that define the closed cavity provides axial clamping force while the first means is retracted to open the

Abstract: A compression and volume reduction treatment apparatus for solid waste including a compression sleeve for receiving therein a cylindrical vessel filled with the solid waste and a press ram arranged above said compression sleeve movable upward and downward for compressing, at high pressure, the cylindrical vessel in the compression sleeve. The compression sleeve includes an upper straight large diameter portion, a lower straight small diameter portion and an intermediate tapered portion, thereby compressing the cylindrical vessel and reducing its volume in three dimensional directions by compressing the vessel radially inwardly at the tapered inner surface of the intermediate tapered portion and compressing axially at the inner surface of the lower straight small diameter portion when the cylindrical vessel in said upper straight large diameter portion is urged by said press ram in a uniaxial direction.

Abstract: A compression and volume reduction treatment apparatus for solid waste comprises a main compression and a pre-compression device. The main compression device includes a compression sleeve for receiving therein a cylindrical vessel filled with the solid waste and a press ram for compressing downward the filled cylindrical vessel. The pre-compression device comprises a pre-compression press ram and a pre-compression tapered sleeve for inserting the cylindrical vessel into the compression sleeve. The cylindrical vessel has an outer diameter larger than an inner diameter of the compression sleeve, while the pre-compression tapered sleeve has at a lowermost end an inner diameter smaller than the inner diameter of the compression sleeve. An inner circumferential surface of the pre-compression tapered sleeve and an outer circumferential surface of the pre-compression press ram are formed with grooves and ridges slidably fitted with each other.

Abstract: In a device for gripping and lifting tamping tools or for holding raised tamping tools in a tamping machine, the individual tamping tools rods are clamped in abutments (2) by slideable clamping members (3). In the device for lifting tamping tools, a controllable working cylinder (6), connected to each abutment (2), raises and lowers the abutment (2). An additional non-controllable cylinder (5) is connected to the clamping member (3) which has cylinder chambers which are connected to a non-pressurized tank of working fluid. This cylinder (5) opposes the movement of the abutment (2) because of the volume displaced from the cylinder chambers. At the initiation of the lifting stroke, the clamping member (3) is pulled tightly into the abutment and thus the tamping tool rod is clamped and lifted along therewith. At the beginning of the lowering motion of the abutment (2), the clamping member is disengaged by the action of the cylinder (5), thus releasing the tamping tool (4).

Abstract: Wooden structures are assembled from a plurality of wooden elements with interposed metallic connectors, by assembling the wooden elements on a work table provided with a rectangular grid. The image of the structure to be assembled, with a superposed grid corresponding to the grid on the table, is projected on the table until the respective grids register with each other. Then the wooden elements are assembled on the picture; and as the corners of the grid on the table are tapped holes, retainers can be used to hold the assembled elements in place. The table with thus-assembled wooden elements is then run through an endless belt press having superposed convergent runs, whereby the metallic connectors are sunk into the wooden elements to complete assembly of the structure, after which the completed structures are removed from the tables onto rollers with interspersed lifting arms that swing vertically about an axis parallel to the direction of movement of the tables.

Abstract: An hydraulic cylinder having a plurality of piston rods is disclosed. The cylinder comprises a cylindrical hollow member having a pair of end members to enclose the cylinder, a piston positioned between the end members is supported by a plurality of rods. An end of the rods is affixed to a base of a press supporting the piston in a fixed relationship to the base. The cylinder is movable along the rods and the piston, and a die is attached to the press having a movable portion attached to the cylinder end member and a fixed portion attached to the base. Movement of the cylinder in a first direction closes the die on a workpiece, and movement of the cylinder in a counter direction opens the die.

Abstract: A dumping transport vehicle for harvested cotton bolls has the capacity to receive in its basket body two dumps from a large self-propelled harvester. An internal power-operated pivoted packer-divider panel of the vehicle enables compacting of the first dump received from the harvester against the dump-out side of the vehicle basket so that the second dump from the harvester can be adequately received in the vehicle basket. The packer-divider panel also enables a two-stage dumping of the contents of the fully loaded vehicle basket into a module builder which is unable to handle and pack the entire volume of harvested cotton in the vehicle basket in a single delivery or dump.

Abstract: An expandable bag is supported on a base and is associated with first and second platen means. The first platen is movable in a pressing operation relative to the second platen by expansion and contraction of the bag. The second platen is movable relative to the first platen in a plane parallel with the pressing surfaces of the platen for loading articles onto and unloading them from the first platen. The second platen has backup support for pressing functions by the frame of the press. The second platen is carried on a wheeled support for its movement in a plane parallel with the pressing surfaces and is associated with shock absorbers at the limits of its travel. Controls are provided for sequence functioning of the expandable bag and the second platen. The press has an opening at the top adjacent the front which is opened and closed by movement of the second platen.

Abstract: A compact can crusher in which used beverage cans and the like are dropped into a chute and are crushed flat between an oscillating crusher plate and a wall of the chute, the crushed cans being dropped through an open lower end of the chute. A drive motor is coupled to the crusher plate to apply maximum thrust at opposite ends of the oscillating stroke, so that cans are effectively flattened to a minimum thickness. In one form spring stored energy adds to the initial crushing action when the most pressure is needed, and provision is made to prevent cans from jamming in the chute and to prevent the mechanism from being jammed by articles which are not readily crushed.

Abstract: A can crusher is provided utilizing a single lever arm pivoted in two places to a pivotal link and a crusher plate respectively and having a unique action wherein upon lifting the lever arm space is provided for a can and a foot extended from the lever arm crushes one end of the can, and upon depressing the arm the can is completely crushed.

Abstract: A container closed by a lid for receiving and compacting waste paper includes a volume-occupying lid (3, 14) which fits inside the container (1, 13). The container (1, 13) defines a chamber large enough to accomodate individual pieces of waste to be deposited and compacted. The lid (3, 14) is retained in the container-closing position.

Abstract: A double-acting compacting apparatus comprises two movable compaction plates and a stationary compaction plate arranged between said movable plates. Arranged between respective ones of said movable plates and said stationary plate is a free-fall aperture through which compacted objects can fall under gravity. Means are provided for connecting the movable plates together such that during a compaction stroke utilizing one of said movable plates the other of said movable plates defines with said stationary plate a space for receiving further material to be compacted.

Abstract: A can crushing apparatus is disclosed comprising a reciprocating head which reciprocates between two fixed walls whereby on each stroke of the head, two crushing operations are performed. Automatic can feeding means, having safety switch prime mover activation capability mounted thereon, is provided. A trash container closure base for said apparatus is also disclosed.

Abstract: An apparatus for crushing cans uses a pair of guide rods having an anvil attached at each end, and a pair of sliding rams sliding on the guide rods. Can support wire members are positioned between each ram and anvil to support a can during crushing. A ram drive cam alternately drives each ram to crush a can against its associated anvil. The single drive cam is connected through reduction gearing to a flywheel which is driven by an electric motor. Each ram has a cam follower and the rams are connected together with springs to maintain the cam followers in continuous contact with the cam. A second embodiment has four rams driven by a single motor and flywheel driving a pair of cams and a can feed mechanism feeds cans in synchronization with the movement of rams.

Abstract: Compacting apparatus comprising a first compacting plate and a second compacting plate arranged for linear, reciprocating movement relative to the first compacting plate. Arranged between the plates in the neighborhood of one of said plates is a free-fall aperture, such that a compacted object is able to fall freely, through gravity, from said apparatus subsequent to completing a compacting stroke.

Abstract: A double-acting compacting apparatus comprises two movable compaction plates and stationary compaction plate arranged between said movable plates. Arranged between respective ones of said movable plates and said stationary plate is a free-fall aperture through which compacted objects can fall under gravity. Means are provided for connecting the movable plates together such that during a compaction stroke utilizing one of said movable plates the other of said movable plates defines with said stationary plate a space for receiving further material to be compacted.

Abstract: A hydraulic press arrangement which includes at least one top cross beam and one bottom cross beam with a press ram, displaceable by means of two cylinder-piston units supplied by at least one pressure medium source, being disposed between the top and bottom cross beams. Each cylinder-piston unit includes a cylinder arranged in the bottom cross beam and in the top cross beam with a piston being guided in each of the cylinders. Two pistons of a mutually associated cylinder-piston unit are connected by way of a piston rod to the press ram. With the arrangement of the cylinder-piston units as well as the controlling of the impingement and venting of cylinder chambers, a relaxation of forces acting on the press frame, due to a subsiding of forces acting in the press working space, is prevented.

Abstract: Batts are sequentially delivered to a reception station and deposited in columnar order on a platen substantially in one continuous movement in one plane while said platen is advancing from said reception station towards an ejection chamber spaced therefrom in steps commensurate with the delivery rate and thickness of the batts; a preceding batt column previously disposed in the ejection chamber being compressed by the advancing platen and thereafter expelled, while compressed, into a prepared bag.

Abstract: A mechanical press having twin working stations comprising a bed, a pair of bolsters mounted on both sides of said bed, four uprights extending upwardly from said bed, a frame structure mounted on said uprights, said frame structure having a pair of guide portions defined at both ends thereof, and a pair of slides slidably mounted in the respective guide portion of said frame structure, each of said slide structures being adapted to face with each of said bolsters.

Abstract: Apparatus capable of producing pellets of compacted refuse having a density of at least 20 lbs./ft..sup.3 comprising:(1) a cylindrical tube having a compacted chamber whose length is shorter than the shortest "critical length" for the refuse to be pelletized, with a feed port in the side wall of the tube and a discharge port at the end of the tube,(2) a feed hopper communicating with the inlet port of the tube,(3) a reciprocating ram in the inlet end of the tube capable of exerting a pressure of at least 200 psi on each forward stroke, and(4) a refuse flow restrictor in the tube in which the degree of restriction is controlled in response to changes in the ram pressure required to advance the compacted refuse down the tube.

Abstract: An apparatus for compacting coal in a pounding box to convert it into a cake usable in coke ovens has one or more punners which are each composed of an upright the lower end of which carries a pounding foot. At opposite sides of the respective upright are arranged a pair of engaging elements which are made to engage the upright and are then moved to an upper position, during which movement they take along the upright to raise the pounding foot above the coal in the pounding box. On reaching their upper position the engaging elements release the upright so that the punner can drop by gravity onto the coal in the box.

Abstract: A massive compacted coal charge body is made by pounding a particulate bed consisting of moist coal particles by a plurality of sequentially operated rams until the particulate bed is converted into a charge body the height of which exceeds its width by at least eleven times and the charge body having a specific density of at least 1.1 metric tons/m.sup.3. Each of the rams has a ram body and a ram rod extending upwardly from the ram body, the ram rod being engaged and clamped for joint lifting by one or a pair of lifting members. Each lifting member is pivotally mounted on a shaft and has an eccentric engaging surface which comes into engagement with the respective ram rod. When two lifting members are associated with each ram rod, both of them are pivoted in synchronism. In the upper position of the ram, each lifting member releases the respective ram rod to permit the respective ram to descend onto the particulate bed in a free gravitational fall.

Abstract: Coking coal is pounded into a compacted cake of substantially uniform density in a pounding box by means of a plurality of punners mounted on carriages which can move to-and-fro lengthwise of the box. The punners are alternately raised and then allowed to drop under the influence of gravity onto the coal in the box. The raising and dropping is so timed that at any time preferably the foot of only one punner per carriage is in contact with the coal in the box, so as to leave as much as possible of the coal surface area exposed.

Abstract: A refuse compactor having a container with a refuse compression space on one side of a pressure plate which is movable by atmospheric pressure, upon evacuation of the refuse space, in one direction through a compression stroke to compress refuse in the space. The pressure plate is movable in the opposite direction through a return stroke by either pressurizing of the refuse space or evacuation of a space, which may be a second refuse compression space, at the opposite side of the plate. The refuse compactor is adapted to be emptied by a conventional trash collection vehicle equipped with a trash bin elevating and inverting mechanism, e.g., a fork lift. The plate includes a wiper for prolonging the life of the pressure plate seal and the compactor includes a novel vacuum pump and valve system for operating the pressure plate.

Abstract: A sludge press wherein a piston is reciprocable along a horizontal path between a retracted position in the interior of a hopper and an extended position in which the piston is located in and at the front end of a barrel extending forwardly from and communicating with the hopper so that the piston thereby expels a slug of compacted sludge through the open front end of the barrel. The front end of the barrel can be sealed by the knife-like valve member of a gate valve during movement of the piston to retracted position. The front end face of the piston is surrounded by a cutting edge which cooperates with a complementary annular cutting edge at the rear end of the barrel to sever solid ingredients of sludge during penetration of the piston into the barrel. The cutting edge of the valve member cooperates with a complementary cutting edge surrounding an opening in the rear section of the housing of the valve.

Abstract: A hay baler having two bale chambers arranged end to end in a straight line and a single plunger reciprocating in both chambers. Drive for the plunger may be by cranks and connecting rods on each side of the plunger or by a planetary gear train driving a crankshaft.

Abstract: A garbage disposal unit is provided with a stationery compacting piston fixed at the upper end thereof and with a fixed receptacle member at the lower end thereof. A movable combination member adapted to act as both a receptacle and a compacting piston is mounted intermediate the fixed piston and the fixed receptacle. The disposal unit is thus capable of separately handling different types of garbage, with bottles, cans and the like being placed within the movable combination member to be compacted by upward movement thereof for compacting engagement with the upper fixed piston. Ordinary foodstuffs may be placed within the fixed receptacle at the bottom of the unit and movement of the combination member downwardly enables utilization of the combination member as a compacting piston for crushing garbage within the lower fixed receptacle.

Abstract: A double-acting can crusher comprising a frame, a shaft rotatably mounted in the frame, a substantially cylindrical sheath extending horizontally above the shaft in parallel relation thereto, a pair of spaced cylindrical crushing blocks mounted at the horizontal ends of the sheath, a substantially rectangular upper opening extending along the top portion of the sheath and being sufficiently wide to permit the passage of uncrushed cans into the sheath, a lower opening in the sheath extending longitudinally below the upper opening, the lower opening being sufficiently wide at the ends thereof to permit the passage of crushed cans therethrough but being sufficiently narrow in the central or major portion thereof to prevent the passage of uncrushed cans therethrough, a collar mounted on the shaft for movement back and forth along the shaft, an endless reverse helical groove on the shaft, a pin freely received in a hole in the collar and disposed at right angles to the shaft, an arcuate tongue on the pin received

Abstract: Artificial logs are made by forcing a mixture of wood chips and a binder such as wax or paraffin through a tube by means of a feed screw. A section of the tube beyond the feed screw includes a short first portion of constant diameter which by itself has an insufficient length to provide enough friction to generate adequate pressure, followed by a second portion of variable cross-section, the cross-section of which is controlled by a predetermined force, so that friction and pressure in both sections may be readily controlled and limited to values which adequately form logs without the use of excessive power or the generation of excessive heat. By periodically varying the force on the adjustable section portion, a continuous length of log stock being formed may be severed into successive lengths without need for a subsequent sawing operation.