Abstract: A mold system for forming a multilevel block is disclosed which comprises a multilevel mold box insert for forming a multilevel block, a mold box frame adapted for receiving therein the multilevel mold box insert, a multilevel plunger assembly, and a press head plate adapted for receiving thereon the multilevel plunger assembly.

Abstract: A mold system for forming a multilevel block is disclosed which comprises a multilevel mold box insert for forming a multilevel block, a mold box frame adapted for receiving therein the multilevel mold box insert, a multilevel plunger assembly, and a press head plate adapted for receiving thereon the multilevel plunger assembly.

Abstract: A dry-cast concrete block molding machine including an apparatus which successively positions block mold trays into the mold box of the molding machine with the apparatus pushing a molded block from the mold box as an empty mold tray is moved into the mold box. The machine also includes a magazine-like structure which has empty tray molds stacked therein.

Abstract: A mold assembly having a mold cavity formed by liner plates, at least one being moveable, an actuator having an actuator axis, and a force multiplier formed by first and second drive elements, the first drive element positioned off-axis from the actuator axis and in mechanical communication with the moveable liner plate, the second drive element operatively coupled to the first drive element, and the actuator configured to provide a first force having a first magnitude in a first direction along the actuator axis to the second drive element which moves the first drive element and the moveable liner plate in an extending direction, wherein a magnitude of a force applied to the moveable liner plate resulting from compression of dry cast concrete in the mold cavity that is required to move the moveable liner plate in a direction opposite the extending direction is greater than the first magnitude.

Abstract: A dry-cast concrete block molding machine for molding concrete blocks. The machine includes a weigh hopper system which senses when the proper amount of concrete, as determined by the weight thereof, has been placed in the weigh hopper to dump the weigh hopper. The machine also includes end plates in the mold box thereof which may be interchanged so that the configuration of the concrete block may be easily changed. The machine also includes a conveyor system which not only conveys mold trays into the mold box of the machine but which also is used to push the molded block outwardly from the compaction chamber of the mold box when the block has been molded.

Abstract: A dry-cast concrete block molding machine for molding concrete blocks. The machine includes a weigh hopper system which senses when the proper amount of concrete, as determined by the weight thereof, has been placed in the weigh hopper to dump the weigh hopper. The machine also includes end plates in the mold box thereof which may be interchanged so that the configuration of the concrete block may be easily changed. The machine also includes a conveyor system which not only conveys mold trays into the mold box of the machine but which also is used to push the molded block outwardly from the compaction chamber of the mold box when the block has been molded.

Abstract: A method and apparatus for assembling a plurality of independently formed solid components is provided thereby forming a single delivery vehicle for a pharmaceutical or pharmaceutical-like product. The solid components can be held and fed to the apparatus via a plurality of magazines. Pusher rods and the like can be used for positioning each of the solid components. Where the components are connected via a bonding liquid, a sprayer is provided and compression pins or the like press the components with the bonding liquid together to form the final product. A rivet or other connection structure can also be used and driven through holes in each of the solid components to form the final product.

Abstract: A mold assembly for manufacturing concrete blocks in an automated dry-cast block machine. The mold assembly includes a plurality of liner plates which together form a mold cavity, wherein at least one of the liner plates includes an internal network of shafts which is configured to receive and provide a flow path for heated fluid to pass through to heat the at least one liner plate.

Abstract: The method and system for rapid press forming and consolidation of a sheet of thermoformable material provides for molding of articles with complex shapes. The sheet of thermoformable material is suspended on a movable frame and transferred on a track to a preheating and preconsolidation station, where it is heated, and rapidly transferred suspended on the movable frame via the track to a molding and consolidation station for rapid press forming and consolidation with a hydraulic punch that applies pressure uniformly in all directions, to substantially eliminate wrinkles in the formed product.

Abstract: A lightweight concrete mixture (e.g., comprising cement and polystyrene foam) is introduced into a compactable mold having a mold cavity defined by plural wall structures including at least two compacting wall structures. After introducing the lightweight concrete mixture into the compactable mold, the compacting wall structures are moved such that the lightweight concrete mixture is compacted in the mold cavity. The respective positions of the plural compacting wall structures can be maintained during curing of the lightweight concrete mixture such that the lightweight concrete mixture is held under compression during curing. A compactable mold may also include one or more tubes for forming tube-shaped cavities within a building block formed in the mold. Tubes can form intersecting cavities within the building block. Tubes can remain stationary while the compacting walls are moved, even when the tubes are attached to a compacting wall.

Abstract: A mold assembly for use with an automated dry cast concrete machine including a plurality of mold cavities, each mold cavity formed by a plurality of liner plates, wherein at least one liner plate of each mold cavity is moveable between an extended position and a retracted position relative to an interior of the mold cavity. The mold assembly further includes a master bar in mechanical communication with the at least one moveable liner plate of each of the mold cavities, and an actuator configured to drive the master bar in a first direction and a second direction, which is opposite the first direction, to respectively direct movement of the at least one moveable liner plate of each of the mold cavities between the extended and retracted positions.

Abstract: A mold assembly for manufacturing dry-cast concrete blocks in an automated dry-cast block machine, the mold assembly a plurality of liner plates forming at least one mold cavity, each liner plate corresponding to a perimeter side of the mold cavity, wherein at least one of the liner plates is moveable toward and away from an interior of the mold cavity. A master drive element is routed about at least a portion of the perimeter sides of the mold cavity, including the perimeter side corresponding to the at least one moveable liner plate, and forming a continuous loop, wherein the master drive element is configured to be driven back and forth about the loop to provide a first linear force in a first direction and a second linear force in a second direction opposite the first direction substantially in parallel with each perimeter side along which the master drive element is routed.

Abstract: Mold assemblies for compression molding of footwear components include molds, heating elements, conductor plates, insulating layers and carrier trays. An upper mold assembly is placed into a fixture attached to an upper press platen. A lower mold assembly slides into and out of a fixture attached to a lower press platen. Heating elements within the mold assemblies connect to electrical contacts in the fixtures when the mold assemblies are installed in the fixtures, thereby providing electrical power to the heating elements and heating the molds. A conveyor is positioned to receive a mold assembly from (or transfer a mold assembly to) the lower press platen fixture when the lower platen is in a lowered position.

Abstract: A mold for the production of molded concrete bricks has mold recess bodies guided in openings in side walls of a mold insert, which openings are adapted to the contours of the recess bodies, in order to produce recesses in a molded concrete brick produced using this mold. The recesses reach all the way to the underside of a brick, and are supported on one or more sections of the edging of the opening. The wall thickness of the mold insert side wall can have a greater wall thickness in the region of the recess bodies. Preferably, the mold includes multiple mold inserts, and recess bodies that are similar in terms of position and movement direction are coupled mechanically with one another in their movement, and can be displaced together via common drive devices.

Abstract: A mold assembly for an automated dry-cast block machine including a mold cavity formed by a plurality of frame elements, and a moveable liner plate positioned within the mold cavity and having a first major surface facing an interior of the mold cavity and a second major surface opposite the first major surface and facing away from the interior of the mold cavity, the liner plate configured to be moved toward and away from an interior of the mold cavity. At least one heater element is coupled to the second major surface of the moveable liner plate, the heater element configured to move with the moveable liner plate and to maintain the first major surface at a desired temperature.

Abstract: An apparatus comprises a forming device for forming objects, a moving arrangement arranged for moving said objects along a path directed from said forming device towards an exit area, passage arrangement for an operating fluid, said passage arrangement being arranged for allowing said objects to be moved towards said exit area at least in a preset portion of said path. A method comprises forming objects, moving said objects along a path directed towards an exit area, and acting on said objects with an operating fluid at least in a preset portion of said path, so as to allow said objects to be moved towards said exit area.

Abstract: The invention relates to a device and a method for producing a water barrier in unsolidified roof tile preforms. The inventive device comprises a molded piece with a recess as well as a die. The molded piece is disposed above the end of a roof tile perform, whereupon all or part of the rear edge of the roof tile perform is pressed upward by means of the die. The roof tile perform is then dried.

Abstract: A mold assembly for an automated dry-cast block machine including a mold cavity formed by at least one frame element having a plurality of guide holes therein, a moveable liner plate positioned within the mold cavity and having a plurality of non-driven guide posts configured to align with and slide within the plurality of guide holes within the at least one frame element, and a drive system coupled to the moveable line plate independent of the guide posts and configured to drive the moveable liner toward and away from an interior of the mold cavity.

Abstract: A system and method for manufacturing an uncured concrete block using the dry-cast manufacturing process includes a mold box having a pair of side walls, a pair of side plates, an open top side and an open bottom side defining a mold cavity. One or more end liners are disposed within the mold cavity and are selectively shiftable within the mold cavity with hydraulic cylinders between a first position and a second position. The end liners can be provided with a three-dimensional textured face to impart a decorative face to a side surface of the concrete block formed in the mold or can also provide blocks with a tapered face when disposed in the second position while the mold is filled with concrete. Before the block is stripped from the mold, the end liners are returned to the first position, so that the side surfaces are not damaged as the block is released.

Abstract: A mold assembly for manufacturing concrete blocks and which is adapted for use in a concrete block machine. The mold assembly includes a plurality of liner plates forming at least a first mold cavity, wherein at least a first liner plate is moveable, and a drive assembly. The drive assembly includes a first drive element having a first end and coupled to the first moveable liner plate proximate to a second end, and an actuator assembly. The actuator assembly includes a second drive element selectively coupled to the first drive element proximate to the first end, wherein the actuator assembly is configured to drive the second drive element along a first axis so as to cause at least the second end of the first drive element to move along a second axis and cause the first moveable liner plate to move toward and away from an interior of the first mold cavity.

Abstract: Molds and processes that permit high-speed, mass production of retaining wall blocks having patterned or other processed front faces, as well as retaining wall blocks formed by such processes. The invention permits the front face of the block to be impressed with a pattern or otherwise directly processed, to allow the formation of pre-determined block front faces, while at the same time facilitating high-speed, high-volume production of blocks. Pre-determined front faces can include front faces having pre-determined patterns and textures, front faces having pre-determined shapes, front faces made from different material(s) than the remainder of the block, and combinations thereof.

Abstract: A thermoforming apparatus including a pallet for use with a thermoforming machine that thermoforms a plastic billet into a usable form, the pallet including a billet support surface for supporting thereon a billet, and a gripper mounted on the pallet and arranged for movement between a first position, wherein the gripper does not grip a billet placed on the billet support surface, and a second position, wherein the gripper grips the billet placed on the billet support surface.

Abstract: A mold assembly for manufacturing concrete blocks that is adapted for use in a concrete block machine. The mold assembly includes a plurality of liner plates, each having a major surface, the liner plates configured such that the major surfaces form a mold cavity having a desired form, and wherein at least one of the liner plates is moveable. A gear drive assembly is selectively coupled to the at least one moveable liner plate and configured to move the at least one moveable liner plate toward and away from an interior of the mold cavity. A stabilizer assembly is operatively coupled to the gear drive assembly and is configured to support the gear drive assembly as it moves the at least one moveable liner plate.

Abstract: A mold device and method for producing a rough texture on all or a portion of the outward exterior surfaces of masonry block units. The device of the present invention is a mold having one or more cavities, open at the top and the bottom, with a rigid support platform or sheet across the bottom, to hold the masonry mixture in place until discharged through the bottom of the mold. On a portion of the interior sidewalls of the mold, are substantially vertical ribs extending from the interior surface, creating voids in the compacted mixture. An extension or “stripper” unit extends inwardly along the base of the portion of the interior wall containing the vertical ribs. A top plate configured to fit removably within the interior walls of the mold cavity is provided to compact the masonry mixture and to push the masonry unit out of the mold and simultaneously clean the mold.

Abstract: A mold assembly for producing masonry blocks and adapted for use in a masonry block machine. The mold assembly includes a plurality of liner plates, each liner plate having a major surface, the liner plates positioned within a mold box and configured such that the major surfaces form a mold cavity having a desired form, wherein at least one of the liner plates is moveable between a retracted position and a desired extended position toward an interior of the mold cavity. A gear drive assembly selectively coupled to the at least one moveable liner plate and configured to move the at least one moveable liner plate between the retracted position and the extended position, wherein the gear drive assembly is positioned substantially external to the mold box when the at least one moveable liner plate is in the retracted position.

Abstract: One aspect of the present invention provides a mold assembly for manufacturing concrete blocks that is adapted for use in a concrete block machine. The mold assembly comprises a plurality of liner plates and a gear drive assembly. Each liner plate has a major surface and the liner plates are configured such that the major surfaces form a mold cavity, wherein at least one of the liner plates is moveable. The gear drive assembly is selectively coupled to the at least one moveable liner plate and is configured to move the at least one moveable liner plate in a first direction toward an interior of the mold cavity by applying a force in a second direction different from the first direction, and to move the liner plate in a direction away from the interior of the mold cavity by applying a force in a direction opposite the second direction.

Abstract: Molds and processes that permit high-speed, mass production of retaining wall blocks having patterned or other processed front faces, as well as retaining wall blocks formed by such processes. The invention permits the front face of the block to be impressed with a pattern or otherwise directly processed, to allow the formation of pre-determined block front faces, while at the same time facilitating high-speed, high-volume production of blocks. Pre-determined front faces can include front faces having pre-determined patterns and textures, front faces having predetermined shapes, front faces made from different material(s) than the remainder of the block, and combinations thereof.

Abstract: A film and heated plastic blank are sized to fit over a mold cavity and a combination of said film and blank formed. The combination is positioned over the mold cavity and formed in said mold cavity into the shape of said mold cavity.

Abstract: The mold for the production of concrete shaped bricks has several mold cavities, which are filled with free-flowing concrete. To produce recesses in the interior or on the outer sides of the shaped brick, to each mold cavity there correspond one or more mold cores which penetrate a wiping plate that lies below the mold and project from the bottom into the mold cavities. To demold the shaped brick, the mold cores that are arranged on a core support plate are run out from the mold cavities by a vertical movement relative to the mold and to the wiping plate to the upper limit of the wiping plate, and then the unit that consists of the wiping plate and core support plate is run out in the horizontal direction from the area of the mold.

Abstract: An apparatus for producing a green compact includes a circuit that circulates die assemblies, each of which contains a rubber mold having rubber in at least its side portion. The apparatus also includes a high density filling device that has a feeder for feeding powder into the rubber molds; a pusher or a vibrator or both a vibrator and a pusher; a die press machine configured to impart a compaction force sufficient to produce the green compact to each of the circulating die assemblies in succession; and a device for removing the green compact from each rubber mold. The high-density filling device, the die-press machine and the removing device are successively arranged along the circuit. Each of the circulating die assemblies has sufficient structural integrity to withstand the compaction force because all structure necessary to withstand the compaction force is present in the circulating die assemblies.

Abstract: It is desired to simplify the design of an apparatus for manufacturing annular or tubular workpieces from concrete, which comprises a mold having a vertical axis and a mold cavity between a core and a shell. The shell surrounds and is radially spaced from the core, and the mold cavity, is adapted to be filled with concrete from above a feeding and distributing devices is radially guided relative to the mold and serve to feed and distribute the concrete which is to be dispensed into the mold cavity. A mold press, which comprises a vertical ram that carries a mold ring, is adapted to close the mold cavity at its top, and which press is radially displaceable relative to the mold. The feeding and distributing device for the concrete and they the molding press are mounted on a carriage, which is guided to be radially displaceable relative to the mold, and they are arranged on the carriage one behind the other in the direction in which it is displaceable.

Abstract: An apparatus is provided for compressing a material in a mold. The apparatus includes a frame having a first portion and a second portion. The apparatus also includes a roller coupled to the first portion of the frame for compressing the material in the mold, and a support plate coupled to the second portion of the frame for receiving the mold thereon to position the mold relative to the compression roller. The apparatus further includes an apparatus for varying the distance between the roller and the support plate so that the roller applies a compressive force to the material. A drive mechanism is coupled to the support plate for moving the support plate relative to the roller in a direction normal to the compressive force applied by the roller.

Abstract: The invention is a heated stripper shoe assembly for use in manufacture of concrete masonry blocks. The heated stripper shoe has a stripper shoe plate, at least one heat blocks and at least one heat element fitted within the heat block. Optionally, the stripper shoe assembly may also include a heat shroud positioned over the heat block on the upper surface of the stripper shoe plate, a standoff attached to the heat shroud for affixing the assembly to a block machine, and a mold for use with the stripper shoe assembly. The invention also includes methods of using the assembly.

Abstract: A molding machine preferably for molding blocks from a premixed concrete, has a rotating mold table and a receiving conveyor that raises and lowers for ultimate transfer of the molded block to a conveyor and finally to a curing area.

Abstract: The biaxial CM casting apparatus utilizes one or more main mold cores having an automatically extensible and retractable plunger or like structure extending laterally into the mold cavity from the one or more main mold cores along an axis substantially orthogonal to the axis of casting during certain selected phases of the CM casting process to form one or more openings or other structural changes in the casted concrete which openings or changes extend in the direction of a second axis normal to the casting axis.

Abstract: An apparatus is disclosed for rapidly laying up and curing thick complex shaped resin matrix composites connected to a rotatable and alterable male mold to wrap a plurality of continuous and intermittent layers of uncured laminate around the male mold when said mold is in a closed position; moving the male mold into a female mold and thereafter severing all layers on the male mold and articulate the male mold to an open position which shapes the upper regions of the composite and thereafter transferring the resin matrix composite to a female mold which shapes the composite in a desired configuration and thereafter heat cures the composite lay-up while being subjected to a vacuum. A second embodiment of the invention uses a non-rotatable male mold.

Abstract: A press for manufacturing stones provided with a mould including several moulding rooms and taking a fixed position, a stamp arranged above the mould and being movable up and down, a table arranged under the mould and being movable up and down, a supply converyor for supplying empty product plates and with a discharge conveyor for discharging the product plates carrying stones shaped in the mould, whereby the moulding mass is compressed in the mould while under the mould a moulding plate supported by the table is located, which is provided with upright ribs for shaping bevelled edges on the stones, whereby during compression the stamp is moved downward until the stamp is located at a certain distance from the table, determined by cooperating stops provided on the table and on the stamp, after which the moulding plate is removed from between the table and the mould, while simultaneously a product plate is moved between the table and the mould and next the stones shaped in the mould are pressed out of the mould

Abstract: The invention includes block molds and manufacturing processes as well as a composite masonry block comprising a block body having an irregular trapezoidal shape and comprising a front surface and a back surface, an upper surface and a lower surface, and first and second sidewalls. Both the first and second sidewalls have a first and second part, the sidewall first part extends from the block front surface towards the block back surface at an angle of no greater than ninety degrees in relationship to the block front surface, the sidewall second part surfaces adjoins and lies between the sidewall first parts and the block back surface. The block also has a flange extending from the block back surface past the height of the block. Also disclosed are landscaping structures such as a retaining wall comprising a plurality of the composite masonry blocks of the present invention.

Abstract: An instant-release type concrete molding machine manufactures a concrete product by interposing unitable attachment devices between a press die and a press, placing an attachment unit of a pattern frame within a molding region, introducing the pattern frame and the press die into the molding region in alignment with the press, moving the press and the press die toward each other and uniting them by the aforementioned attachment devices, and fixing the pattern frame by the attachment unit within the molding region.

Abstract: A system for die casting of concrete goods such as block stones comprises a cellular casting mould having a plurality of cells and a device for supplying concrete for filling the cells. A dolly including a common base member with protruding pistion portions having load plates of a shape corresponding to that of the cells, is used for compressing the concrete in the cells. Each of the piston portions includes a resilient compressible material arranged between the load plates and the common base member for obtaining uniform density and strength in the goods in the respective cells.

Abstract: A mold guidance system for preventing horizontal movement of the mold of a concrete block making machine including, on each side of the machine, a mold support arm extending laterally outwardly from the inside corner of the mold and including a bushing in the outer end thereof, a first clamp secured to the side of the machine frame above the mold arm bushing, a second clamp element secured to the side of the machine frame below the mold arm bushing, and an elongate pin slidably movable within the mold arm bushing and fixedly engaged at the upper end by the first clamp and at the lower end by the second clamp. The mold guidance system prevents horizontal movement of the mold so as to reduce mold wear and increase mold life.

Abstract: A staged mold for stabilizing hazardous wastes for final disposal by molding an agglomerate of the hazardous wastes and encapsulating the agglomerate. Three stages are employed in the process. In the first stage, a first mold body is positioned on a first mold base, a mixture of the hazardous wastes and a thermosetting plastic is loaded into the mold, the mixture is mechanically compressed, heat is applied to cure the mixture to form a rigid agglomerate, and the first mold body is removed leaving the agglomerate sitting on the first mold base. In the second stage, a clamshell second mold body is positioned around the agglomerate and the first mold base, a powdered thermoplastic resin is poured on top of the agglomerate and in the gap between the sides of the agglomerate and the second mold body, the thermoplastic is compressed, heat is applied to melt the thermoplastic, and the plastic is cooled jacketing the agglomerate on the top and sides.

Abstract: The biaxial CM casting apparatus utilizes one or more main mold cores having an automatically extensible and retractable plunger or like structure extending laterally into the mold cavity from the one or more main mold cores along an axis substantially orthogonal to the axis of casting during certain selected phases of the CM casting process to form one or more openings or other structural changes in the casted concrete which openings or changes extend in the direction of a second axis normal to the casting axis.

Abstract: A press particularly for forming a blocklike tablet or compact from powder. A die is split into opposed halves for defining a die opening vertically therethrough. The die is supported within a carrier having an openable front door. The carrier is mounted on a carriage which is horizontally rollable on a base frame between compacting and loading positions. The carrier preferably has limited resilient floating movement relative to the carriage in the vertical direction. A first pressure cylinder has its housing carried by the carrier so that its piston rod extends horizontally for direct compression against a rear side of the die. A second pressure cylinder has its housing mounted on the frame and its piston rod extending vertically downwardly for compression against a punch which projects downwardly into the die opening to compress the powders therein against a lower punch. The die is vertically aligned with the piston rod of this second cylinder only when the carriage is in the compacting position.

Abstract: Apparatus for making a concrete brick, the brick having at least one visible surface having a texture similar to that of natural stone. The brick may be made by filling a mold with concrete, vibrating the mold, and using a descending plunger to compress the concrete in the filled mold. At least one interior surface of the mold has a textured surface used to form the texture in the brick. Following compression of the concrete, a movable sidewall of the mold is moved laterally away from the brick a distance sufficient for the textured surface of the mold wall to clear the textured surface of the brick when the mold is raised. With the plunger remaining in place, the mold is raised, following which the plunger is raised.

Abstract: Device for manufacturing stones, provided with a frame, with a mould having boundary walls defining moulding rooms inside the mould, with a stamp movable up-and-down arranged above the mould and with a table arranged under the mould. Filling pieces are movable between a first position, in which they are located under the mould and whereby, see in top view, at least parts of the filling pieces project from the walls for forming recesses, and a second position, in which the filling pieces are located beside the mould, seen in top view. Extensions are connected to the filling pieces, those extensions being movable forward and backward and co-operating with guide means for guiding the filling pieces, whereby the extensions project from the mould in the first position.

Abstract: An apparatus for the thermal pressure forming of plastic blanks into containers includes several elements. A heater brings the plastic blanks to a melt phase by heating them to a melting temperature sufficient to relieve internal stresses therein. A conveying arrangement takes the plastic blanks through the heater. This conveying arrangement includes a device for preventing the plastic blanks from reaching the melting point only along their outer peripheral edges so that the plastic blanks maintain dimensional stability. Thereafter, a press forms the plastic blanks into retortable containers.

Abstract: A compaction device for a concrete block molding machine, comprising a mold formed with cells opened at the top and at the bottom, and filled with a no-slump concrete mix. The mold freely rests either on a pallet or vibrating table, which acts as bottom wall for the mold. Compaction shoes, equal in number to the number of cells in the mold, are sized, configured and positioned above the mold so that they may snugly fit into the mold cells. The shoes are mounted at the lower ends of power jacks which are connected to a same fluid pressure source or, alternatively, are altogether in fluid communication. The power jacks are operative to move the compaction shoes over the concrete mix in the cells so as to apply to the mix in each cell, preferably, in the final cycle of vibration, an equal compaction pressure suitably selected to produce concrete blocks having a maximum equal density or more uniform desired or selected physical properties.

Abstract: A staged mold for stabilizing hazardous wastes for final disposal by molding an agglomerate of the hazardous wastes and encapsulating the agglomerate. Three stages are employed in the process. In the first stage, a first mold body is positioned on a first mold base, a mixture of the hazardous wastes and a thermosetting plastic is loaded into the mold, the mixture is mechanically compressed, heat is applied to cure the mixture to form a rigid agglomerate, and the first mold body is removed leaving the agglomerate sitting on the first mold base. In the second stage, a clamshell second mold body is positioned around the agglomerate and the first mold base, a powdered thermoplastic resin is poured on top of the agglomerate and in the gap between the sides of the agglomerate and the second mold body, the thermoplastic is compressed, heat is applied to melt the thermoplastic, and the plastic is cooled jacketing the agglomerate on the top and sides.

Abstract: A machine for making concrete pipe in which multiple-form sets can be coupled into one module so as to increase production output of the machine without an increase in machine manpower. The multiple-form modules are provided with adapters that make them compatible with conventional single-mode form sets and all cycles of production so that multiple-form modules can be used simultaneously with single-mode form sets. The multiple-form sets also utilize core vibration throughout the fill cycle, but unlike conventional core vibration systems, the amplitude and direction of vibration are continuously varied to distribute the vibration uniformly throughout the length of the pipe being formed.