Abstract: A system for forming a pressware product from a web of a roll of material comprises a positive mold, a negative mold, a heating element, an actuator, a force sensor, and a control system. The positive mold forms a top surface of the pressware product. The negative mold forms a bottom surface of the pressware product. The heating element is coupled to the positive mold or the negative mold. The actuator shifts the positive mold or the negative mold to cut and form the pressware product in a single stroke. The force sensor detects the forming force applied by the actuator, and the control system directs the actuator to adjust the forming force.

Abstract: A mold thermal controlling device including a first trench, a first temperature control layer and at least a temperature control tunnel is provided. The first temperature control layer includes a first temperature control face, and the first temperature control layer forms a first temperature control trench forming at least a part of the inner surface of the first trench. The first temperature control trench is configured to accommodate a mold and touch with the mold through the first temperature control face. The temperature control tunnel is disposed in the first temperature control layer, and the temperature control tunnel is configured to inject a heated fluid or a cold fluid. When the mold is contained in the first temperature control trench, the first temperature control surface is located between the mold and the temperature control tunnel. A hot press system is also provided.

Abstract: An example diffusion bonding machine includes a support structure configured to receive first and second die sets. A heat transfer device is arranged near the support structure and is configured to transfer heat relative to the die sets. A mechanism is configured to separate the die sets from one another during heat transfer. In one example method of diffusion bonding, heat is transferred relative to a space between die sets. The die sets are supported on the support structure, and a load is applied to the die sets to diffusion bond a component within each of the die sets.

Abstract: An injection molding apparatus has at least two mold clamping mechanisms for clamping respective molds. A hydraulic pressure supply source supplies hydraulic pressure to the at least two mold clamping mechanisms to clamp the respective molds. A a hydraulic-pressure-supply-destination selection section is configured to allow hydraulic pressure from the hydraulic pressure supply source to be selectively supplied to any one of the two mold clamping mechanisms. At least two injecting machines are configured to inject resin material to the respective molds clamped by the respective two mold clamping mechanisms. A non-hydraulic power supply source drives the at least two injecting machines to inject the resin material.

Abstract: [Problem] To suppress the deviation of a synthetic resin to be fed to a metal mold and to enable the to-be-compression-molded synthetic resin to be easily molded into a shape of a pre-molded article that is to be molded. [Means for Solution] A female mold 31 includes a moving rod 34 and female mold body 33 surrounding the moving rod 34, the female mold body 33 forming a cavity 33a that is opened upward, the moving rod 34 moving up and down between a normal position and an elevated position above the normal position, and when a synthetic resin 8 is to be fallen down from the a synthetic resin cutting/holding unit 14, the moving rod 34 moves to the elevated position so that the synthetic resin 8 falls down on the upper surface of the center member.

Abstract: The present invention relates to an apparatus for making a food product (2), said product having a solid outer shell (3) with top (4), bottom (5) and side (6) walls, and optionally an inner core (7) filled with liquid, semi-solid and/or solid filling, characterized in that said apparatus comprises: (i) a support frame (8) holding at least one matrix (9) that goes through said support frame (8) and has opposed openings, (ii) two punches (11a, 11b) disposed respectively each side of said matrix (9) and facing said openings, said punches having a cross section that corresponds to the cross section of said openings, and being movable along a common axis that corresponds to the longitudinal axis of said matrix, said matrix and said pair of punches defining respectively the side and the end walls of a mold (12), (iii) filling means for filling the mold (12), with a predetermined quantity of food product in a liquid or semi-solid form, (iv) actuating means for moving said punches (11a, 11b) and exerting a longitudin

Abstract: Methods and systems are provided for making a drug microtablet. The method includes loading a lyophilization capillary channel with a liquid drug solution; lyophilizing the liquid drug solution in the lyophilization capillary channel to produce a lyophilized drug formulation; compressing the lyophilized drug formulation in the lyophilization capillary channel, or in a compression capillary channel, to form a microtablet; and ejecting the microtablet from the lyophilization capillary channel or compression capillary channel. The methods and systems may provide drug microtablets having improved content uniformity and reduced weight variability.

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: A mold core includes a forming pin having a hollow interior and an end wall. A passage, preferably in the form of a hollow tube, extends into the hollow interior of the forming pin and has an end sealingly secured at a position spaced from the end wall of the forming pin. A poppet valve is disposed on the end wall of the forming pin. The poppet valve is responsive to air pressure within the passage to open and permit flow of air through the end wall of the forming pin to assist stripping of molded articles from the mold core. The poppet valve includes a valve element having an outer end at the end face of the forming pin and an inner end adjacent to the end of the passage. A spring preferably biases the valve element to a closed position. The spring preferably comprises a coil spring captured in compression between the valve element and the forming pin.

Abstract: A powder compression molding machine is configured such that a plurality of lower and upper punches 61, 41 are allowed to enter a plurality of through-die holes 31 provided in first and second molding die sections 32, 33 of a slide plate 3 in a compression molding zone 21 to compressively mold powder and the slide plate 3 is slid to push out compacts downward and collect them in compact discharge zones 22a, 22b. Even when powder is compressively molded at a low compression force into solids having high porosity, compacts can satisfactorily be molded and collected without crumblingness, the compacts having sufficient high porosity and being dissolvable in water or the like.

Abstract: A die assembly for producing paperboard pressware includes a lightweight knockout assembly having a long and narrow ejection member positioned within a slotted adapter plate. The provision of a lightweight knockout assembly reduces frictional wear-related maintenance and downtime.

Abstract: According to embodiments of the present invention, there is provided a system, a method and an apparatus for configuring an end of arm tool within a molding environment. The end of arm tool comprises a base structure attachable, in use, to an actuator of the molding system, the base structure comprising a mounting structure interface; a mounting structure configured to be releasably accepted, in use, within the mounting structure interface; the mounting structure for receiving, in use, a part receptacle; the base structure comprising a service connecting interface configured to connect, in use, a service to the part receptacle via the mounting structure.

Abstract: A compression molding machine, for compression molding a closure shell having a base wall with an opening and in accordance with one aspect of the disclosure, includes a male mold section and a female mold section having associated surfaces that oppose each other to form a cavity for compression molding the base wall of the closure shell. An annular bead on one of these surfaces cooperates with the opposing other surface to compression mold a disk connected to the base wall by a thin frangible web. The disk and the shell are stripped separately from the mold so that the shell emerges from the machine with the opening formed in the shell base wall by removal of the disk within the machine.

Abstract: A tool rig for the compaction of particulate materials includes a base and a cylinder block disposed on the base. At least two pistons are disposed within the cylinder block and one piston is at least partially disposed within one other piston. A supply component is disposed in the inner diameter of at least one of the pistons and defines at least one channel. The channel connects an energy supply to at least one of the pistons.

Abstract: The invention relates to a device for manufacturing latex mattresses, comprising a conveying system for mattress moulds, wherein each mattress mould is made up of an upper and a lower mould section, which are pivotally interconnected, and wherein the latex-filled mattress moulds can be subjected to one or more mattress-forming processing steps while being moved through the conveying system. According to the invention, the device is provided with means for removing a latex mattress from a mattress mould. This obviates the need for operators to carry out manual operations, which on the one hand leads to improved ergonomic conditions but also to a reduced number of rejects and less damage to the mattresses.

Abstract: The invention concerns an ejector system, where the ejectors or the stripper plates (10) in the turnable tool part(s) (8) are being activated in turn after each turning and opening/closing cycle in the machinery by means of a stationary placed mechanism (11). This can perform a forward and backwards movement, and is situated outside the turnable mold part(s), but in such a way that the stationary placed forward and backwards going mechanism (11) enables the shifting activations of the ejector mechanism (10) on the different sides of the turnable mold part(s) in turn. The stationary placed forward and backwards going mechanism (11) can perform its movements by hydraulic, pneumatic, electric or other influence of e.g. a piston. The turnable mold parts of the tool suitably turn around axis, which are parallel and at a right angle on the opening/closing movement of the tool.

Abstract: A method for the manufacture of compacts from comminuted material (12) such as lignocellulose material and/or other combustible material for burning in hearths, wherein the material (12) is placed into openings (11) of a mold (4) and then compressed to form compacts. The filling of a mold (4) with the material (12) and the compaction of the material (10) to form compacts (10) is performed in the pressing chamber (18) of a multi-platen press (1) with plungers (7) plunging into many openings (11) of a mold (4), and after compaction the mold (4) with the ram (3) is raised and additionally urged against the ram, while the finished compacts are driven out of the mold and then are pushed out of the press chamber (18) into a container (16) by an ejecting device. Moreover, an installation for the practice of the method includes a hopper (9) and a multi-platen press (1) with a mold raising-and-lowering device (14).

Abstract: A machine for compression molding plastic closures includes a support mounted for rotation around an axis, and a plurality of compression molds on the support at angularly spaced positions around the axis. Each of the molds includes a male mold section and a female mold section, at least one of which is movable with respect to the other between a closed position to form a compression mold cavity and an open position spaced from each other. The male mold section includes a mold core and a stripper sleeve surrounding the mold core for movement both rotationally and axially of the mold core. A first screw drive couples the female mold section to the stripper sleeve for rotating the stripper sleeve around the mold core as the at least one mold section is moved between the closed and open positions. A second screw drive couples the stripper sleeve to the support to move the stripper sleeve axially over the mold core as the stripper sleeve is rotated around the core.

Abstract: A horizontal multi-material molding machine includes a rotary table having a rotation axis center in a horizontal direction, a multi-material molding metal mold mounted on the rotary table, injection plunger units disposed to advance to and retreat from the multi-material molding metal mold for injecting a molten resin into cavities of the multi-material molding metal mold, a servo motor for rotating the rotary table, and a brake mechanism mounted on the servo motor and actuated when the servo motor is stopped for maintaing the position of the rotary table.

Abstract: A method of manufacturing a building product from a mix (6) including particulate material and a thermoplastic binder which comprises heating the mix at least to a temperature at which the thermoplastic binder in the mix liquefies, subjecting the heated thermoplastic mix to a pressing action that shapes the heated mix, and cooling the shaped heated thermoplastic mix to solidify the thermoplastic binder and form the product (FIG. 4).

Abstract: The arrangement is based on the principle that the ejector (9) of a moulding tool actuates the rear ejector plates (5, 5A, 5B) and the front plates (4, 4A, 4A) are conveyed along until the bearing segments (23) reach the free groove (17) in central pin (12). Balancing against misalignment of the ejector package is obtained at the same time through the incorporation of this two-stage ejector, and, at the same time, it replaces extra guides.

Abstract: An apparatus for manufacturing plastics items provided with external undercuts, comprising at least one compression molding unit, which is composed of an upper male mold part comprising a plug and of a lower female mold part aligned, along a vertical axis, with the male mold part, means for actuating the mold parts between a spaced position, at which a dose of plastics sufficient to form an item is deposited in the female mold part, and a mating position for producing the compression molding of an item, the male mold part comprising a plug and an ejector that is associated with the plug in order to remove the molded item when the mold parts are in the spaced position, further comprising a bushing that is arranged externally and coaxially to the plug, a plurality of sectors for forming raised portions and undercuts on the outer surface of the item, the sectors being coupled axially to the bushing and being able to expand with respect to the plug, means for actuating the sectors between a position that produces

Abstract: A device for producing disposable lenses providing a concave mold and a convex mold for each lens, filing the concave mold with liquid starting material for the lens, and positioning the convex mold so as to enclose the starting material includes a first carousel, a first station, which is arranged along the first carousel, for depositing the concave mold at a set position on the carousel, a second station for filling the deposited concave mold with starting material for a lens, a third station for depositing the convex mold so as to enclose the starting material, and a fourth station for removing the assembly having concave mold and convex mold with enclosed starting material the first carousel.

Abstract: Apparatus for compression molding plastic closures having a peripheral skirt with an internal thread includes a first mold assembly having a male mold core and a second mold assembly having a female mold cavity. At least one of the first and second mold assemblies is moved relative to the other to bring the male mold core into the female mold cavity for compression molding a closure, and then is moved to open the cavity such that the closure is retained on the male mold core. The male mold core is rotated relative to the first mold assembly to unthread the core from within the closure, and thereby strip the closure from the core, without stretching the closure skirt over the core or wiping the internal thread over the external surface of the mold core.

Abstract: The system and method for molding a shaped snack chip use various components to form chips having depth such as a bowl-shaped tortilla chip. Essentially flat chip preforms are fed to a series of molds disposed about a mold conveyor. The preforms are then passed along for shaping by a mold and plunger conveyor. A continuous conveyor with plungers extending outward is synchronized to operate in conjunction with the mold conveyor. At desired and determined intervals, a multiple of plungers extend downward and into the molds thereby molding the chip preforms into shaped chips. The shaped chips are evacuated from the molds and subjected to additional processing.

Abstract: An apparatus for manufacturing threaded caps comprises a plurality of compression molding assemblies which are arranged on a rotating carousel and comprise an upper male mold half and a lower female mold half. The male mold half comprises a tubular element, a sleeve guided coaxially to said tubular element, and a punch guided in the tubular element and having a helical slot for forming the thread of the cap. The punch enters the female mold half and produces, together with it, the cap through compression of a dose of plastic material deposited in the female mold half. After the spacing of the punch from the female mold half, the removal of the cap from the punch occurs by way of a removal device, which comprises a ring gear associated with the sleeve and provided with a collar in sliding contact on the punch, a rod which can slide axially in a seat of the carousel and supports a gear meshing with the ring gear and connected to a motor drive mechanism.

Abstract: A modular molding system having: an upper frame assembly configured for receiving a cavity module therein; a lower frame assembly configured for receiving a core module therein, the lower frame assembly including a two-stage master ejector system; a cavity module positioned within the upper frame assembly; and a core module positioned within the lower frame assembly, the core module including a two-stage ejector system having a plurality of ejection elements associated therewith; wherein the core and cavity modules together define a molding cavity for molding a workpiece therein, and wherein the master ejector system is operable to drive the ejection elements of the core module.

Abstract: A tablet press machine (100) comprises: a hopper (1) for feeding a powder or granular product (2) to a first disc (3a) that rotates about an axis (X) and is equipped with evenly distributed holes or dies (3); a second and third disc (4, 6) that are positioned above and below the first disc (3a), respectively, rotate about the axis (X) and support respective pluralities of upper and lower reciprocating punches (5, 7). The punches (5, 7) are driven towards and away from each other when they are aligned with the dies (3) in such a way as to compress the product (2). Each of the punches (5, 7) comprises a cylindrical shank (8), one end of which is equipped with a working head (10) and sealed protection means (11) acting on the cylindrical shank (8) itself.

Abstract: The rotary tablet press comprises a housing, in which a compression unit (14) is detachably mounted. The compression unit (14) comprises a die table (15) with punches (17, 18), a feeding device for the supply of material to be compressed into the dies (16), and a tablet discharge device for removal of compressed material in the form of tablets. The compression unit (14) encloses each die opening and its corresponding first punch end (21, 22) in a chamber, the feeding device and the tablet discharge device are enclosed, the feeding device communicates with an inlet for detachable connection with an external supply channel, and the tablet discharge device communicates with an outlet.

Abstract: A powder pressing apparatus comprises an upper punch, a lower punch and a die. A compact is formed by pressing a powder loaded in a cavity formed by the upper punch, the lower punch and the die. At least either one of the upper punch and the lower punch has a contacting surface for contact with the compact, formed with grooves. The compact adhering to the upper punch or the lower punch may be sprayed with a liquid such as water. Thereafter, the compact adhering to the upper punch or the lower punch is removed therefrom. Preferably, the grooves should be formed by milling at least at an end portion of the contacting surface, the contacting surface should have a surface roughness Ra=0.05 &mgr;m˜25 &mgr;m, the powder should have an average grain diameter of not greater than 1 &mgr;m, the grooves should be formed at an interval of 0.1 mm˜2.0 mm to a depth of 0.2 &mgr;m˜100.0 &mgr;m.

Abstract: In connection with the moulding of tiles and bricks, for example for paving etc., use is made of moulding equipment comprising an under-part (16) with moulding cells (18) corresponding to the shape of the tile or brick, and an upper-part (2) with tubes (6) which support downwards-extending pressure plates (8) corresponding substantially to the shape of the moulding cell, and such that the pressure plates (8), in the forming of the items by vertical displacement of the under-part (16), are fed down through the moulding cells (18).

Abstract: A process and apparatus for forming three-dimensional containers from a continuous flat web of paper, coated paper, paper board, or laminated paper board ("paper") in which the paper is first scored to define the shape of the container and, thereafter, the scored stock is simultaneously cut and formed into a container. Containers so produced have improved uniformity. The apparatus is less expensive and easier to operate than conventional equipment, and it is easier to change from one style of tray to another. The apparatus also makes possible tray styles which could not be made with machines which cut and transfer paper blanks to a separate forming station.

Abstract: A frame (10) carries horizontal, parallel, journaled, cylindrical bearings (26, 28), upon which rotatably rests the cylindrical external surface a wheel (30) having, on its outside periphery, ports (44) communicating with respective moulds (45) which are radially arranged side by side in the wheel. Plungers (46) are slidably received in the moulds. Feeder (52) stationary with respect to the wheel (30) deliver pasta filata into at least one of the ports. Ejectors (48, 50) stationary with respect to the wheel (30) eject pasta filata from at least one of said moulds (45) through its associate port. A motor (42, 43) with transmission (38, 40, 41) moves said wheel (30) in steps corresponding to the interval between two successive ports along the periphery of the wheel. Jets (66) sprinkle the moulds with chilled water.

Abstract: An apparatus for mechanically separating water from coal includes a vibrating hopper, two contra-rotating cylinders, a solid collector, and a fluid collector. The hopper feeds hydrated coal or coal slurry to wells which are arranged along the surface of a first rotating cylinder. A second rotating cylinder has protrusions on its surface which are precisely placed such that when the first and second cylinders are brought in contact and rotated in contra-rotating directions, each of the wells of the first cylinder and a corresponding protrusion of the second cylinder form mating female and male dies. Coal in the female dies is pressed, and the moisture in the coal is squeezed out. The coal remaining in the dies is then delivered to the solid collector via a pusher. The distance between the cylinders may be varied through adjustable cylinder bearings or pillow blocks. Both the male and female dies may be removed and replaced.

Abstract: An apparatus for producing an edible, hand held food product which may be used as a container for ice cream and other frozen confections in which the apparatus includes, in combination, a baking mold for baking the food product and a vacuum removal plug which is selectively insertable into a female portion of the baked food product for removing the food product by means of vacuum. The removal plug has an exterior surface with a configuration corresponding substantially to the inner surface of the container and includes a plurality of vacuum ports opening to the exterior surface. The apparatus also includes a vacuum assembly for creating a vacuum within the vacuum ports.

Abstract: An ejection and conveying device mounted in a rotary pressing tabletting machine having matrices supported by a rotating table, whereinto upper punches and lower punches enter and come out, while tablets come out at an ejection station; the device includes a plate fastened to the machine and positioned under the table. Part of the plate is located under the machine's ejection station, while a rotating disk is placed inside a raised border of the plate and has a plurality of hollows whereinto the ejected tablets fall so that the tablets are drawn by the disk up to be positioned above one or more holes made in the bottom of the plate and from which holes discharge channels depart. The tablets pass through the holes and are brought away by the channels.

Abstract: A molding and portioning apparatus is intended primarily for processing formable food products into individual portions of uniform shape, size and weight, while doubling output. The apparatus includes first and second spaced hoppers which receive a supply of a food product under a predetermined pressure, and discharge the product through a plurality of outlet openings formed therein. A plurality of pistons are slideably mounted within a plurality of cylinders which communicate with the hoppers and are aligned with and opposite of the outlet openings. Each piston is independently pneumatically biased in the direction of the hoppers under a certain pressure which is less than the predetermined pressure of the product, for generally equalizing the pressure applied to the product at each of the outlet openings.

Abstract: An improved injection molding process for producing a substrate of an optical disc having a high quality is disclosed. The process includes the steps of: fixing a stamper having protrusions corresponding to pits for recorded information or a groove for tracking onto one mold unit of a pair of mold units of an injection molding machine; combining the mold units to form a closed cavity between the pair of mold units; charging a molten molding resin into the cavity; cooling the resin in the cavity to form a molded substrate; separating one mold unit from another mold unit; and releasing the molded substrate simultaneously from both mold units when the two mold units are separated from each other by applying pressurized air onto both sides of the substrate.

Abstract: A briquetting machine, primarily intended for briquetting fibrous plant material, includes a pair of rotatable wheels. Each wheel has die means towards its outer periphery and the die means define a circular row of pockets in which the material is received and compressed. During rotation the wheels come together to define a nip between the wheels. To provide for a varying volume of feed of material the wheels are relatively movable to vary the size of the pockets. Furthermore the die means include male and female, overlapping dies. In the bases of the dies are located ejector members which are urged outwards to eject compacted briquettes from the dies. To compress the material prior to entry into the dies there may be a precompression channel which converges toward its outlet end, opposite converging walls of the channels being formed of compression members which move towards one another and towards the outlet end.

Abstract: An apparatus for continuously or intermittently molding fiber-reinforced plastic structural components includes a continuous passage or pathway having a series of stations thereon for charging a multiple part mold with a charge of chopped fiber reinforced resin or plastic, closing the mold parts to effect compaction of the charge, curing said charge into a molded article, opening the mold, ejecting the molded article and return the open mold to charging point, movement of said mold parts from open to closed position being controlled by spacing between vertical spaced set of rails supporting male and female parts of the mold, said spacing being controlled to effect indexing of said male and said female part in the curing station in a closed portion and to effect unindexing of the male and female part to open the mold and a method of using said apparatus to yield said molded article.

Abstract: In an apparatus for producing shaped bodies of non-swelling mixture, of fiber materials with a heat hardenable binding medium, the shaped body of a complex shape can be formed so that at its visible side seams are not formed during pressing, by means of an additional pressing of a pre-pressed mixture in a one piece cavity press member before it reaches its final shape.

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 rotary powder compression molding apparatus is disclosed, which includes a rotary disk. The rotary disk has a mortar mounting portion, an upper pestle guide portion arranged above the mortar mounting portion, and a lower pestle guide portion arranged below the mortar mounting portion. An annular vertical wall, extending upward, is arranged on the periphery of the lower pestle guide portion, and a recessed powder trap portion is formed inside the vertical wall. Powder leaking from mortars is moved outwardly due to a centrifugal force, and is trapped by the powder trap portion.

Abstract: An apparatus and method is provided for progressively converting each blank of sheet material in a stream of moving blanks into a clamshell assembly having interconnected lid and bottom portions. The apparatus includes a female die assembly having first and second mold cavities, an upstream control system for aligning one portion of each blank at a lid-pressing station defined by the first mold cavity, and a downstream control system for aligning a remaining portion of each blank at a bottom-pressing station defined by the second mold cavity. A male die assembly is provided for simultaneously forming a lid portion in one blank of sheet material and a bottom portion in an adjacent blank of sheet material. In particular, during each pressing cycle, the male die assembly simultaneously presses an initial blank at the bottom-pressing station and a succeeding blank at the lid-pressing station to produce the equivalent of a whole clamshell assembly on a single stroke of the male die assembly.

Abstract: In injection-molding threaded molded articles in the form of plastic caps and stoppers with or without imbedded reinforcing cages, an injection unit, a closing unit and an injection mold are provided, where the movable mold half is equipped with a threading part. The threading part is irrotational and integral. A rotating tool is provided, which for the condition of open injection mold can be moved between the mold halves and is operationally linked to the molded article so it can be jointly moved with it to unscrew the molded article from the threading part. Radial and axial centering pins are provided in the injection mold to center the cage.

Abstract: An improved apparatus and method as provided for releasing sheet material press-formed in a die assembly between mating male and female dies from the die assembly. A first air supply system is provided for injecting air between the male die and sheet material in the die assembly to break any vacuum existing between the male die and the sheet material. Subsequently, a second air supply system is provided for injecting air between the female die and sheet material in the die assembly during ejection of a press-formed article from the female die so as to break any vacuum existing therebetween. A system is provided for discharging excess trim waste severed from the press-formed article and routing the trim waste toward a scrap collector while permitting the article to be routed in another direction toward an article collector.

Abstract: A machine for making bricks and paving blocks, including a turntable having four moulds; a drive unit for rotating the turntable between work stations; a mixing chamber for raw materials; a hopper to receive mixed raw materials and to deliver them to each mould in turn; a hydraulic press to compress materials in a filled mould; and a ram for ejecting the resulting masonry product from the mould.

Abstract: An apparatus is disclosed for selectively separating runners and molded products from an injection mold assembly. The apparatus comprises first and second mold portions having mating surfaces formed to define a runner channel and product cavity. A plurality of ejector pins are disposed within the second mold portion and adapted to translate within the second mold portion so as to retractably extend into the cavities for forming the runner and molded product. An ejector plate assembly is provided which translates the ejector pins a predetermined distance within the mold. A pin extension mechanism is connected to the ejector plate assembly and at least one ejector pin. The pin extension mechanism is adapted to selectively extend the connected ejector pin a predetermined distance beyond the stroke of the ejector plate assembly such that the connected pin is extended into contact with the channels for forming the runner, or the molded product.

Abstract: The invention relates to a machine for manufacturing flat bodies in a continuous linear process. This is attained by the intermittent forward movement of the moulds on a closed circuit static runway, passing through the various operative steps for forming the pieces. The runway defines a rectangular trajectory and the moulds are square with bevelled vertices forming vertical channels for the actuation of centering elements. The moulds cover the totality of the circuit with the exception of two spaces at the diagonally opposed angles. Each straight section is provided with a pusher facing a buffer for the simultaneous and combined action until each mould reaches the end of the circuit. At a point of the circuit there is a fixed hopper beneath which there reciprocally moves a carriage bearing a metering hopper. Once the pieces have been formed they are removed by a pneumatic extractor having a multiple suction head.

Abstract: The present invention provides an injection mold apparatus for plastic piece molding. The apparatus includes male and female body parts and a gas blow-off ejection system for ejecting pieces formed on the male body part. The blow-off system includes side and top opening vents in the male body part for initial release and slight lifting of the piece and a further bottom positioned final blow-off vent, which is covered by slideable means during introduction of the plastic to the mold to prevent the plastic from flowing into the final blow-off vent and which is only exposed when required for completing blowing of the piece from the male body part. The slideable means has a slide tolerance to substantially eliminate flowing of the mold material therearound while being readily slideable when required for exposure of the blow-off vent to the male body part.