Abstract: Compactor (100) for the “granulation” of plastic materials, the compactor (100) comprising a first zone or unit (101) for loading and distribution capable of being loaded with plastic material and distributing the plastic material loaded to other zones and/or units of the compactor (100); a second zone or unit (104) comprising a perforated spinneret (110) and at least one compacting roller (105) installed external to the spinneret (110), where the material is “granulated” by “sinterization” deriving from its forced passage through the perforations of the spinneret (110) under the action of the at least one roller (105); a third zone or unit for the forced feeding of the material, being provided at the at least one roller (105) comprising at least one rotating feeder auger (111) housed at least partially in a tubular housing (113).

Abstract: Pellets and a process for producing pellets are disclosed. The process includes recovering spent coffee grounds from a coffee production facility. The coffee grounds are then subject to a drying process to remove moisture from the coffee grounds to form dried coffee grounds. A mixture of about 0.5-10% dried coffee grounds and wood material is then formed. The mixture is then compressed in a pellet mill to form wood pellets including about 0.5-10% coffee grounds. The coffee grounds in the wood material acts as a lubricant for the pelleting machinery and eliminate the need for other lubricants in the process.

Abstract: A cutting-to-length device for a pellet press has at least one cutting-to-length means for biogenic fibrous pellets, especially wood pellets, and a fastening area, in which the cutting-to-length device can be fastened to a stationary housing part of the pellet press. The cutting-to-length means can be arranged in the radially outer area of a rotation annular die of the pellet press and at a distance from the annular die which has radial through-holes. The cutting-to-length mechanism has a concave arched contour and is attached on the radially outer area of the annular die by means of the fastening area so that the cutting-to-length mechanism extends largely helically with its curvilinear contour over the area of the radial through-holes of the annular die. Furthermore, the invention refers to a pellet press with at least one such cutting-to-length device.

Abstract: A pellet mill is disclosed having a ring die and a powered extrusion roll with external bearings. The ring die may be powered or free rotating. Pressure and temperature at the pinch gap between the die and roll may be monitored and the mill rotation drives and the pinch gap size may be adjusted during operation. The operational parameters may be monitored and controlled by a computer based system in real time.

Abstract: A pelletizing device comprising a rotary drivable at least partly cylindrical die, wherein the cylindrical part comprises a multitude of radial openings for making of pellets and at least one roller rotatable around a stationary shaft, for pressing of material to be pelletized through the radial openings in the die, wherein the roller is mounted to the corresponding stationary shaft by means of at least one roller bearing and wherein the pelletizing device comprises an oil circulation system for lubricating each of the roller bearings of each of the rollers with oil.

Abstract: The present invention provides a pellet mill (20) for preparing pellets from a pelletizable material supplied to the pellet mill (20), comprising a frame (22), a main axle (28) rotatably mounted in said frame (22) and having a first end (30) and an opposite second end (32), an annular die (42) being supported by said second end (32) and having an inner surface (44) for receiving a portion of said pelletizable material (106) supplied to said pellet mill (20), an outer surface (46), and a plurality of radial channels (48) extending from said inner surface (44) to said outer surface (46) for preparing pellets from said portion of said pelletizable material (106), a roller holder (54) supported by said frame (22), a number of roller axles (64), each of said number of roller axles being moveably mounted in said roller holder (54), said roller axles may move in said roller holder (54) in the event of an overload to prevent damage to the pellet mill, a number of rollers (80), each of said number of rollers being rot

Abstract: A pellet press for producing pellets from material which is to be compressed. In the pellet press, the biomass is compressed through the holes of the die by at least one press device comprising a roller which rolls on the die, to form pellets. The die and/or the roller move in relation to each other during the production thereof. Provides essential machine elements or modules which are simple to access and also quick to exchange. The construction and operation of the pellet press should be modular so that the production power can be variably adjusted and/or the production is independent of the repairs of individual modules. At least one press device comprising at least one roller and/or the die is arranged inside a press frame in the pellet press, the press frame being embodied in the form of at least one C-frame and/or at least one window frame.

Abstract: A pelletizing press for producing pellets, preferably from biomass, for use as fuel in fireplaces, includes at least one die having a plurality of bores for pressing the biomass, at least one roll rolling on a rolling surface of the die, and at least one drive device for the die and/or the roll. The pelletizing press makes it possible to use a die having as low a height as possible, and thus as short a bore length as possible. For mounting the die, a carrier plate seated in a substantially planar manner against the die is arranged downstream of the die in the passage direction of the biomass. At least one opening for releasing the bores of the die is arranged in the carrier plate.

Abstract: The invention relates to a pellet press for producing pellets (10), there being in the pellet press (3) at least one die (4) having a multiplicity of holes (13) for compressing the biomass (1), at least one roll (5) rolling on the die (4) and at least one drive device for the die (4) and/or the roll (5). The aim of the invention is to produce a pellet press in which it is possible to eliminate local damage or partial wear of the die with the least possible effort or to make it easier to replace the die with a spare part. The invention consists of at least two die segments (7, 7? . . . ) being arranged as the die (4), at least one supporting device (9) being arranged to support the die segments (7, 7? . . . ) with respect to the roll (5), and the supporting device (9) having at least one aperture (8) for the pellets (10) emerging from the holes (13) in the die (4) to be led through.

Abstract: The invention relates to a rotary press with a rotor, whereby the rotor comprises one upper and one lower punch guide and a die plate between the upper and lower punch guides, furthermore with upper and lower press punches which interact with the die holes in the die plate, whereby the rotary press comprises several stations, namely at least one filling station in which the material to be pressed is filled into the die holes, at least one dosing station, in which the material filled into the die holes is dosed, at least one pressing station, in which the material that has been dosed and filled into the die holes is pressed through the upper and lower press punches into pellets, and at least one ejector station in which the pressed pellets are ejected, whereby at least one of the stations can be moved from its operating position to a resting position, in which the production process of the rotary press to produce pellets remains possible with the remaining stations in their respective operating positions, and

Abstract: The invention pertains to a pellet mill 2 for forming pelleted material, the pellet mill 2 comprising: A die 4 having a cylindrical inner surface 6 with a plurality of apertures 8 formed therein and extending to the outside of the die 4, the volume bounded by said inner cylindrical surface 6 defining a die chamber 10. At least two cylindrical rollers 12, 14, 16 adapted to travel over said inner cylindrical surface 6 of the die 4 in a rolling motion. Drive means for causing relative rotation of the die 4 and the rollers 12, 14, 16, so that the rollers 12, 14, 16 will travel over the inner cylindrical surface 6 of the die 4, thereby forming wedge-shaped spaces 18, 20, 22 between the rollers 12, 14, 16 and the inner cylindrical surface 6 of the die 4.

Abstract: A die for a pellet mill is presented, where the die includes a permanent die housing, and a removable cutting insert that is received by the die housing. The interior region of the die housing is adjacent to the exterior region of the die. The die insert contains multiple extrusion holes, and the die housing has corresponding extension holes. The insert may be keyed into the housing to ensure the extrusion holes of the insert align with extension holes in the housing.

Abstract: The invention relates to a pelletizing press for producing pellets, preferably from biomass, for use as fuel in fireplaces, comprising at least one die having a plurality of bores for pressing the biomass, at least one roll rolling on a rolling surface of the die, and at least one drive device for the die and/or the roll. The aim of the invention is to create a pelletizing press, which makes it possible to use a die having as low a height as possible, and thus as short a bore length as possible. The invention is characterized in that, for mounting the die, a carrier plate seated in a substantially planar manner against the die is arranged downstream of the die in the passage direction of the biomass. At least one opening for releasing the bores of the die is arranged in the carrier plate.

Abstract: The present disclosure is directed generally to synthetic organic fiber pellets, methods for making such pellets, and methods of using such pellets for making fiber reinforced polypropylene composite resins. The synthetic organic fiber pellets include at least 80 wt % of a synthetic organic fiber chosen from polyalkylene terephthalates, polyalkylene naphthalates, polyamides, polyolefins, polyacrylonitrile, and combinations thereof, and from 2 to 20 wt % of one or more waxes. The synthetic organic fiber pellets are produced using a pelleting press process.

Abstract: The present invention generally relates to a method and apparatus for a making a formed fibrous article and more specifically to method and apparatus for making a formed fibrous article useful as an absorbent core structure in a disposable sanitary article such as a sanitary napkin, panty liner, diaper or the like. The present invention also relates to a disposable sanitary article including a formed fibrous article according to the present invention as a core structure thereof.

Abstract: Apparatus and methods for cutting compressible cellular polymers such as polyurethane foam, are characterized by a first die roller and a pressure roller, wherein both rollers define raised portions separated by recesses or depressions, and the raised portions on the first die roller register with the recesses of the pressure roller at a nip formed between the rollers. Portions of the polymer material extruded into the spaces between the raised portions of the first die roller are cut away, such that the cut product conforms substantially to the surface geometry of the first die roller, and the depth of cut is greater than with prior rotary cutting methods.

Abstract: A flange for a screw housing (500) of a double screw extruder, the flange comprising a flange body, and a flange bore formed in the flange body and having a shape of two partially overlapping circles, wherein the flange bore has an inner perimeter corresponding to an outer perimeter of an accommodation chamber for two extruder screws.

Abstract: A re-hydration supplement composition particularly suitable to counteract dehydration stresses in mature bovine mammals in the form of a pelletized feed supplement is disclosed which includes relatively large fractions of carbohydrates including saccharides, cationic and anionic electrolytes and a minor amount of betaine osmolyte. A process for pelleting is also disclosed.

Abstract: A device for forming optical lenses includes a base, a driving mechanism mounted on the base, a controller connected to the driving mechanism and a roll forming die. The controller is configured for controlling the driving mechanism. The roll forming die includes a roller, a number of mold cores attached to the roller, and a molding material container disposed on the base and spaced with the roller. The roller is mechanically coupled to the driving mechanism such that the roller can be driven to rotate by the driving mechanism, the roller, the mold cores and the molding material container are arranged to cooperatively form workpieces. A number of mounting holes are defined in the roller; each of the mold cores is mounted in a corresponding mounting hole. The device for forming optical lenses can reduce internal stress of produced optical lenses.

Abstract: The invention is directed to a device for converting free-flowing feed material by pressurization with a cylindrical compression chamber arranged around an axis and confined at its periphery by a ring element with passage openings, and accommodating a pressure element that rotates around the axis in the direction of rotation. The feed material is axially conveyed to the compression chamber and is radially supplied to the ring element by the pressure element. The pressure element includes at least one pressing blade, which extends to and interacts with the ring element, the front flank of said pressing blade in the direction of rotation being curved such that between pressure arm and ring element, a narrowing compression zone is formed, the end of which is formed by a pressure piece.

Abstract: A microlens transcription molding roller used for transcription-molding a plurality of microlenses on a sheet includes a plurality of microlens molding surfaces arrayed on an outer circumference of the roller along one spiral around an axis of the roller at a constant interval.

Abstract: Methods and machines for making fastener products having molded projections or other molded features carried on a surface feature transferring resin in discrete doses through an orifice defined in an outer surface of a rotating die wheel.

Abstract: An apparatus and a method for producing woodfuel briquettes, pellets, compounds, composites, agglomerates, or granulates as source material for subsequent processing in injection molding or extrusion processes, includes a pressing screw with screw spirals, which rotate around a longitudinal axis and which are arranged inside a screw shell. The feed material is conveyed to the pressing screw via a feed chute located at an input side. At the end of the pressing screw, processing tools are arranged, to which the feed material is conveyed by the rotating screw spirals. In the area of the processing tools, the residual moisture in the feed material evaporates due to the heat generated during the processing procedure, and is vented as a steam flow from the apparatus through the screw shell.

Abstract: An apparatus is disclosed for converting feed material into granules under the application of pressure. The apparatus includes a conveyor screw arranged about an axis of rotation with at least one screw spiral, a rotationally symmetric working chamber arranged about the axis of rotation, which chamber is formed by two annular walls arranged at an axial distance from one another and by an annular perforated die. The annular wall has a central opening arranged coaxial to the axis of rotation into which the conveyor screw discharges in order to feed the working chamber with feed material. The apparatus also includes a pressure element that rotates about the axis of rotation and has at least one pressure arm, which extends from the axis of rotation toward the perforated die delivers the axially supplied feed material to the perforated die in the radial direction, and compacts it while doing so.

Abstract: In a roller adjustment apparatus for an extrusion mill, comprising a cylindrical die (2) with radially extending extrusion channels and a number of rollers (1) within the die, rotatable about their axes and co-operating with the die to press material to be treated through the extrusion channels in the die wall, the adjustment apparatus comprises eccentrically journalled bearing shafts (3) for mounting the rollers (1), said eccentrically journalling of the shafts (3) providing a radial adjustment of the position of the rollers (1) relative to the die (2), the rotation of the eccentrically journalled shafts (3) is provided by means of extension arms (6) fixedly mounted on the ends of the eccentrically journalled shafts (3), and said extension arms (6) being connected to an axially movable connection element (8) by means of articulated connected linkage rods (7), and said connection element (8) being connected to a rod (9) provided with its axis in the axis of the die (2) and extending to a position outside the

Abstract: The invention relates to a pelleting press for the production of feed pellets for the like. The aim of the invention is to enable easy and economical separation of the mold in order to change said molds. This is achieved in that guided clamping elements (17) are arranged between the mold (8) and a pressure ring (13) of the mold carrier (11) in such a way that they can be displaced axially (11) so that the mold (8) can be released and clamped by axial displacement by means of a flat contact surface between the screws (18) of the clamping segments (17) and the pressure ring (13).

Abstract: A granulator comprising a perforate screen located within a housing, a roller having a curved convex outer surface wherein the roller is pivotable relative to the screen so that in operation plastic material is able to be forced through the perforate screen by the roller surface so the roller pivots. The granulator is useful for wet and dry granulation.

Abstract: An apparatus for the agglomeration of feed material with thermoplastic properties has a radially symmetrical hollow chamber with a perforated die defining its periphery and a front wall element and a rear wall element closing off ends of the hollow chamber. A material feeding system is connected to the hollow chamber. An agglomerating vane arranged in the hollow chamber rotates in a direction of rotation about a longitudinal axis of the hollow chamber. The agglomerating vane has a front side in the direction of rotation. The front side, the front and rear wall elements, and the perforated die define a revolving plasticizing chamber. The front and rear wall elements have inner surfaces facing the hollow chamber and at least one of the inner surfaces has profiles running from an inner area of the inner surface to an outer area of the inner surface for transporting the feed material.

Abstract: An article of manufacture including a graphite sheet having a texturized surface. The article of manufacture comprises, in one embodiment, about 90 to 99 percent vermicular graphite and about 1 to 10 percent of a filler (e.g., talc or mica). The article of manufacture may also include an insert in the form of a sheet of, for example, stainless steel, polyester film, or fiberglass fabric. Also, a method including combining an article having a surface texture with a graphite sheet, and imparting the surface texture to a surface of the graphite sheet.

Abstract: An apparatus for pelletizing a feed material containing finely divided solids and water by compressing the feed material in the die cavities of a pellet mill and permitting excess water to escape from the material being compressed through at least one water escape opening in each die cavity.

Abstract: An inner die hole (3) communicates with an outer relief hole (5) having a diameter larger than that of the inner die hole (3) concentrically through a stepped portion (4). A screen (1) has a thickness (T) set larger than a diameter (d1) of the inner die hole (3). The inner die hole (3) has a depth (h1) set substantially equal to the diameter (d1) thereof. The outer relief hole (5) has a depth (h2) set to a remainder (T-h1) of the thickness (T).

Abstract: The pellet mill includes a ring die having die openings and rollers within a die cavity defined by the ring die whereby material fed to the die cavity and in the nips between the rollers and ring die is extruded through the openings to form pellets. The roller shafts are cooled by a water injector comprised of a tube disposed within and spaced radially from the interior surfaces of a bore through the roller shaft. A fitting at one end of the tube has an inlet for supplying cooling water to the interior of the tube. A return passage for the heated cooling medium is provided in the annular space between the tube and the bore terminating in an outlet in the fitting. In this manner, the roller bearings and lubricant are cooled.

Abstract: A system is provided for pelletizing particulate raw matter having a first density, and thereafter subjecting the pellets to a milling process to obtain a powdered form of the particulate. During pelletizing steam can be added. The resulting powder is denser, or more granular or has better flow with less dust than the pre-pelletized particulate matter having the first density. The powderized particulate has applications for pharmaceutical, nutritional and herbal end products.

Abstract: A system is provided for pelletizing particulate raw matter having a first density, and thereafter subjecting the pellets to a milling process to obtain a powdered form of the particulate. During pelletizing steam can be added. The resulting powder is denser, or more granular or has better flow with less dust than the pre-pelletized particulate matter having the first density. The powderized particulate has applications for pharmaceutical, nutritional and herbal end products.

Abstract: The invention relates to a pelletizing press (1) with a drum (2), comprising a drum axis (6) and at least one press roller (3) which is accommodated in the drum (2) in such a way that it can rotate about a press roller axis (8). The press roller is driven about the press roller axis by roller drive means (7, 27, 28, 29). The press roller (3) and/or the drum (2) are also rotated about the axis of the drum by rotation means. Furthermore, roller adjustment means (11, 12, 13, 16) are provided for varying the distance between the press roller and the drum wall. By designing the roller drive means, the rotation means and the adjustment means in the form of three concentrically situated shafts, an adaptation of the position of the press roller (3) can be obtained during continuous operation of the pelletizing press (1), in other words, during rotation of the press roller (3) about its axis and during rotation of the press roller (3) and/or the drum (2) about the drum axis (6).

Abstract: The retractable die clamp for a pellet mill includes a clamp segment having a generally C-shaped cross-section with radial extending flanges for wedging the die ring flange and mounting or quill flange of the pellet mill frame against one another, securing the ring to the frame. The clamp includes end bolts threaded into the mounting flange. A centrally located Acme fastener has an externally threaded sleeve and a bolt extends through the sleeve and is threaded into the mounting flange. The Acme fastener also includes an internally threaded nut restrained on the clamp for limited axial movement. The nut is also rotatable relative to the clamp to back the clamp radially away from the mounting flange to retract the clamp from the ring and mounting flanges. The Acme fastener also maintains the clamp attached to the frame by the bolted connection when the clamp is backed off the mounting and die ring flanges.

Abstract: A pellet-forming apparatus is provided for extruding high moisture materials in a low-pressure extrusion apparatus having an extruding cylinder and a cooperative extruding rotor. The rotor extends axially through the elongated cylinder and is formed with multi-tier extruding surfaces that are configured and positioned to be radially spaced with respect to the interior surface of the cylinder and form a pressure zone to effect radial displacement of the material through passages formed in the cylinder wall and be extruded exteriorly of the cylinder. The rotor preferably consists of a series of configured plates arranged along a common axis to form a combined auger-shaped extruding rotor. A feed conveyor comprising a helical flight auger is provided in preceding axial relationship to the extruding cylinder for feeding of material into the cylinder without substantial pressure buildup.

Abstract: An extruder comprising a screw and cylinder, the screw and/or cylinder having helices formed thereon and distal portions of the helices having substantially continuous irregularities formed in their surfaces which form a control mechanism enabling control of the degree of combing and fiber length by combing the supplied continuous roving.

Abstract: A pelleting die is provided, preferably in cylindrical form. The die includes a cylindrical body having inner and outer cylindrical surfaces and holes through the surfaces in which particulate material is extruded to form pellets. The die is formed of an H-group steel alloy, preferably H13 alloy, with the surfaces being nitrided to provide increased surface hardness, resistance to wear, improved fatigue life and improved corrosion resistance.

Abstract: This invention relates to an apparatus and a method for hydrothermally processing a raw grain composition with steam in a conditioner as a preliminary step in the production of a pelletized feed product. More specifically, this invention is directed to an apparatus and a method for massing in-process grain composition in a chamber to enhance efficacy and efficiency of hydrothermal treatment and to improve the production rate and quality of pelletized feeds.

Abstract: A method and pellet mill apparatus for the continuous preparation of improved animal feed pellets cooks a grain mash with steam under superatmospheric pressure which extends through a conditioning chamber within the mill and to an extrusion die to increase conditioning and gelatinization of the mash.

Abstract: A device for the manufacture of extruded bodies from a plastic material or a damp pulp, comprising, arranged at an outlet end of a container for the material or the pulp, an output device (18) with a number of output wings (19) driven by a rotatably driven shaft and at an axial distance from the output device a rotatably driven extrusion device (20) with a number of extrusion wings, of which the outer ends during rotation of the extrusion device sweep closely around the inside of a surrounding cylindrical and perforated wall in order to press out to the space surrounding the wall the fed-out material through perforations in the wall. A stationary guide rail arrangement (16) is provided between the output device (18) and the extrusion device (20) and the output device and extrusion device are driven in the same direction of rotation. The output wings (19) have inclined surfaces (30) which, seen in the direction of rotation, form an acute angle (.alpha.

Abstract: This pelletizer relates to pelletizer systems of the type that include a scraper blade. Such structures of this type, generally, employ a removable, replaceable, breakaway scraper blade that can be changed out easily and quickly without damaging the remainder of the blade assembly.

Abstract: A pelleting press for pressing from a powdery, granular and/or pasty material compacted rod-shaped pieces of said material, comprising a die (1) with one or more rotatable rolls (6) co-operating therewith each having an axis (5) supported in such a manner that it is situated in a plane through the axis (3) of the die (1) and a gap (9) is defined between the die (1) and the or each roll (6), further comprising means for supplying the material to be pressed towards the or each gap (9), and driving means for moving the die (1) and the or each roll (6) in respect of the material supplied to the or each gap (9), all this in such a manner that the supplied material when moving in the gap between the die and a roll is compacted and is pressed through the apertures (2), the support of the die and/or the or each roll being so that the gap height is adjustable, the driving means being adapted for driving the die as well as the or each roll, and the velocity of at least the die or the each roll being independently varia

Abstract: The double tapered die mount defines a channel to support the die shoulder. No contact occurs between the die and die housing. The die shoulder is machined to be in generally congruent relationship with the channel shape of the die mount of the invention. In the prior art, the die shoulder is perpendicular to both the inner radial surface and the outer radial surface of the die mount. In the preferred embodiment, the die shoulder is tapered from the inner radial surface toward the die edge to define an inner die taper. The die shoulder also tapers from the outer radial surface to the die edge to define an outer die taper. The side walls of the channel defined by the die mount of the invention taper inwardly to be congruent with tapered surfaces of the die shoulder. The inner channel wall, i.e., the channel wall closer to the axis of rotation of the die, contacts the inner die taper. The outer channel wall, i.e., the channel wall farther from the axis of rotation of the die, contacts the outer die taper.

Abstract: The present invention employs a main shaft cantilevered from a frame. A die holder is disposed around the outside of the shaft, and in the preferred embodiment rotates by the use of adjustable tapered roller bearings around the shaft. Fixed to the die holder is a die, and the die and die holder define a pelletizing chamber. The shaft supports a roller frame with a plurality of rollers within the pelletizing chamber. The resulting construction is a pelletizer shaft support structure that uses only a single set of bearings. In the preferred embodiment, the main shaft is comprised of an inner shaft and an outer shaft. The inner shaft is located coaxially within the outer shaft and supported within the outer shaft by static bushings. The roller frame and rollers are mounted to the inner shaft. The inner shaft and the outer shaft are both fixed to the frame structure.

Abstract: A quick die change capability is provided to a pellet mill by means of a fixture spider which can be attached to the pelleting die and to the rollers for a unitized roller/die cartridge. By employment of quick acting captive die clamps, as well as push-pull jacks, assembly and dismantling of the die/roller cartridge in the mill is simplified. Three axis adjustability of the fixture spider enhances ease of alignment.

Abstract: A method and apparatus in the context of a pellet former (10) that is integral to an annular gap extruder/expander (11). A housing (30) is disposed around the annular gap extruder outlet end. Material is received from annular gap (37) on the face of a rotating disc (14) and, upon expansion, is directed into a roller area (43) by feed plows (23) or a screw flight (42). Pellet rollers (24) rotatably mounted on the disc push the material through a ring pellet die (22) disposed around the roller area. Cut off knives (25) attached to the disc cut the material into pellets as it exits the pellet die.

Abstract: A method for the production of spherical granulated materials from powdered solids and the granulated materials produced by it are disclosed. The method is characterized in that the powdered solids are moistened, possibly together with the usual binders, flow agents and plasticizers for the compression of solids, by the addition of a corresponding quantity of liquid and mixing smoothly in a mixer; they are then compressed with a ring collar mill into cylindrical agglomerate and then rounded in a rounding unit with wrinkle washer. The granulated solids thus produced have a very narrow particle size distribution and are distinguished by good flowability and good dispersability, depending on process controls.

Abstract: A densifier and cooling elevator for compressing previously separated burnable waste material into cubes of desired length and shape with the cubes forming a fuel for various purposes in which a burnable product can be effectively used. The densifier includes a rotatable drum and a plurality of circumferentially positioned die tubes which are welded together and held in rigid radial position. The inner ends of the die tubes are supplied with waste material treated previously in various stages of a waste recycling apparatus. Oppositely disposed rollers engage, compress and compact the waste material into the die tubes and extrude the compacted waste material from the die tubes as a dense cube. The cooling elevator supplies the previously treated burnable waste material to the drum and is provided with spray nozzles that may be optionally employed to cool or provide moisture to the waste material to more effectively enable the waste material to be compressed and compacted into cubes.