Abstract: An apparatus for forming contact lenses, wherein front curve mold halves are filled with a hardenable transparent material, such as a polymerizable hydrogel, and back curve mold halves are coupled to the front curve, therein forming a lens. More particularly, the apparatus includes a conveyor for transporting pallets of mold halves to the apparatus, an array of piston structures for raising and aligning the back curves with respect to the filled front curve halves, a mechanism for reciprocating the piston array to couple pairs of front and back curves, and a vacuum chamber for maintaining a vacuum around the curves during coupling. In addition, there is provided individual spring biasing to each reciprocating element whereby sensitivity to thickness variations and pallet misfeeds may be minimized. Further, there is provided a vacuum sleeve, through which the pistons reciprocate within the vacuum chamber, which sleeve preserves the vacuum within the chamber.

Abstract: A rotary plastic blow mold machine including a cylindrical hub rotatably mounted about an axis. A plurality of mold assemblies including an upper mold and a lower mold movable axially toward one another are removably mounted on the machine with each lower mold on the periphery of the hub. Mounting construction is interposed between the lower mold and the hub. Each mounting arrangement has an arcuate surface engaging a portion of the periphery of the cylindrical hub such that the lower mold can be removed and replaced on the hub by different size molds.

Abstract: A tube made of plastic with a body in the wall of the tube which body can be pierced by a hypodermic needle. The body has sealing elements extending therefrom. The tube is molded around the body and sealing elements. A tool is provide which includes an upper and lower portions with the body being initially molded in the upper portion and then the portions are rotated 180 degrees and the tube is then molded around the body.

Abstract: This invention relates to a process for manufacturing cushion and mattress elements made of supple, open-cell cellular matter, by casting into a mould, from a head ensuring mixture of at least two basic components, of the product thus formed; said mould is transferred from a preparation station where a demoulding agent is projected, to be presented beneath said head; the latter is displaced along a continuous path covering at least all the surface of the mould and at a speed ensuring, on the one hand, a uniform distribution of the product and, on the other hand, a total time of passage less than the maximum expansion time of the product projected at the beginning of this path; a cover is closed on said mould, and the latter is transferred towards standby stations where it remains thus for a time longer than that of maturing of the cellular matter obtained; the cushion element thus constituted is removed and the mould is transferred back towards the preparation station.

Abstract: A tire vulcanization apparatus in which an encaser 3 makes it possible to introduce a tire into a mold 1 and, by means of inductors 42, transfers to the mold heat energy necessary for vulcanization and in which a chamber 5 receives several molds 1 and makes it possible to maintain each mold insulated from the environment in order to limit heat losses during the time necessary for the vulcanization.

Abstract: For injection molding of tooth brushes from two different molding material components with tufts of bristles incorporated in the head portions of the brush bodies a molding machine is proposed which includes a tuft loading station, a first injecting station associated with the first material component and a second injecting station associated with the second material component. In one or each injecting station, the stationary molding block has a recess, and a movable mold insert part fits into this recess to complete the stationary mold block. The movable mold insert part is provided with tuft insertion holes and can be transferred to the tuft feeding station where tufts of bristles are loaded into the tuft insertion holes so that they have their inner ends projecting into the mold cavity portion defined by the movable mold insert part. Production of tooth brushes is a continuous sequence of tuft loading and injecting steps.

Abstract: A molding plant for conveying molds, preferably molds for chocolates or similar products. A drive shaft, which includes conveying screws mounted on a shaft, conveys the molds along a processing path through stations in the plant. The underside of each mold has downwardly projecting studs or projections that engage between threads of the conveying screws. The studs are arranged such that the molds can be conveyed along at least two different, transverse processing paths. Preferably, the studs are positioned such that the engagement between the studs and the screws is along a midline of the molds.

Abstract: A travelling mold has mold blocks formed by opposing mold block sections which open and close relative to one another. The mold sections travel horizontally around a continuous track which is fitted with a plurality of side-by-side mold block carriers on which the mold block sections are releasably supported. The mold block carriers are provided with carrier gears which engage with the main drive gear of the mold so that the mold is driven by engagement of the drive gear with the carriers and not the mold block sections.

Abstract: A mold apparatus has a plurality of sets of mold block parts which move to and from a product forming mold tunnel along the apparatus. Each set of mold block parts has at least one liquid receiving channel and a liquid supply is provided for supplying cooling liquid to the channel. The ends of the channel are open for feeding the cooling liquid into one end and draining the cooling liquid from the other end of the channel when the set of mold block parts is in the mold tunnel and seals are provided to prevent leakage of any cooling liquid trapped in the channel when the mold block parts are away from the mold tunnel.

Abstract: A method and apparatus for compression molding plastic articles including closures which includes providing coacting sets of tools including a first set for moving a core and core sleeve into engagement with a cavity mold on a second set of tooling. An actuator is provided between the first set of tooling and a fixed upper cam. The second set of tooling includes an associated actuator supporting the cavity mold and associated with a lower fixed cam. A nitrogen cylinder in the second set of tooling provides for control of the compression molding force. In a preferred form, a plurality of sets of tooling are provided in circumferentially spaced relation on a rotating turret supported by a central column. A common manifold supplies the pressure at accurately controlled pressure to each of the nitrogen cylinders. A control system is provided for monitoring and changing the pressure.

Abstract: A travelling mold has mold block sections which are driven around an endless track. The mold has a drive system including a first drive component which drives the mold block sections in abutting positions with one another to a second component in the drive system which accelerates and separates the mold block sections and which then decelerates and regroups the mold block sections in their abutting positions before the mold block sections are returned to the first drive component. This separation and regrouping of the mold block sections eliminates the necessity of having a complete chain of abutting mold block sections completely around the mold.

Abstract: A machine for making plastic tubing including a plurality of separate carriages for carrying mold blocks about the continuous path. A mold train drive engages a selected number of carriages at the beginning of the mold tunnel to continuously drive the carriages along the mold tunnel. A shuttle drive follows the continuous path through a shuttle area and spaced from the path along a substantial portion of the mold tunnel, and includes first and second carriage engaging sections at substantially opposite points along the drive so that a carriage at the end of the mold tunnel becomes engaged by one shuttle drive engaging section while the other shuttle drive engaging section engages a carriage at the beginning of the mold tunnel.

Abstract: A machine for making plastic tubing including a plurality of separate carriages for carrying mold blocks about the continuous path. First and second wheel pairs on opposite sides of each carriage ride on first and second tracks respectively through a molding section of the path. An offset wheel is disposed between the wheels of each pair and rides on guide tracks associated with and facing oppositely to the first and second tracks respectively through the molding section.

Abstract: An apparatus for the manufacture of goods wherein a component of such goods comprises a softgoods fabricated from a natural or synthetic fabric-like component, such as leather, nylon or urethane, and a component thereof that is injection molded relative to the fabric-like component resulting in the formation of an essentially complete, permanent and uniform seal therebetween. This improvement in the manufacturing process is the result, in part, of the modification of the apparatus used in such manufacture by providing an improved masking system for the precision application of an adhesive to a delimited area of the softgoods.

Abstract: An injection-moulding machine with a movable and a stationary mould-clamping plate (1, 2), wherein struts (4) are mounted in the stationary mould-clamping plate (1, 2), the struts connecting together the movable and stationary mould-clamping plates (1, 2) during the injection operation. The movable mould-clamping plate (2) is able to travel on rails (9) by way of a bracket-like running shoe (14), and, on opening the mould, is able to be released from the struts (4). Carriages (17) with rollers (18) are provided which are pivotally mounted to the movable mould-clamping plate (2) and which are tiltable about a horizontal axis (19) relative to the mould-clamping plate (2) and relative to the running shoes (14). Each running shoe (14) has a front roller (15) which can be raised from the rails (9) and lateral guide rollers (20) with vertical axes of rotation which roll down smooth guide surfaces (30) of the rails (9) and which are likewise raised from the rails (9) during the injection operation.

Abstract: A toy apparatus and method for making vacuum formed articles wherein a thin sheet of plastic is secured on a mold in a first position the mold is moved to a second position adjacent a heater for heating and softening the plastic sheet and a vacuum is applied to the mold and heated sheet either while it is in the second position or after it is moved back to its original first position. The apparatus includes a transparent safety cover and a shuttle lever which in combination reduce the possibility of a child operator of this toy from burning his or her fingers. The safety cover, if open, bars movement of the mold to the heater and bars entry of fingers toward the heater, and if closed, bars touching the mold, plastic sheet or heater. Following closure of the safety cover a first lever may be moved to drive the mold to the heater and a second lever may be moved to actuate the vacuum pump. The safety cover cannot be re-opened until the shuttle lever is returned to its start position.

Abstract: The invention relates to an installation for manufacturing registration carriers provided with an injection molding device and with two holders supporting molding plates, which are adjustable with respect to each other between a first position, in which said molding plates bound a mold cavity, into which a material is injected by the injection molding device during operation so as to form the registration carrier, and a second position, in which the molding plates have been moved some distance apart with a view to removing the registration carrier formed. Transport means are provided on either side of the injection molding device, to move a holder supporting a molding plate from a position located at some distance from the injection molding device to a position suitable for cooperation with the injection molding device, and/or from a position suitable for cooperation with the injection molding device to a position located at some distance from the injection molding device.

Abstract: A method and apparatus for compression molding closure liners wherein a set of tooling including a first assembly and second assembly which are movable toward and away from one another. The first assembly of tooling has a liner forming member and a closure engaging sleeve thereon and the second assembly has a closure supporting pad thereon. A cam is associated with the first assembly of tooling for moving the closure engaging sleeve into engagement with a closure and the liner forming member into position for compression molding a charge of plastic extrudate in the closure when it is supported on the closure supporting pad. A gas cylinder is associated with the closure supporting pad providing a predetermined controlled pressure that determines the compression molding force on the plastic. In a preferred mode, a plurality of sets of tooling are provided in circumferentially spaced relation to one another on a turret.

Abstract: Thermal forming of objects made from plastic material if performed by machine which has first, second and third sectors. The first sector includes structure for unrolling a coil of plastic sheet material. The second sector receives and transports the plastic sheet from the first sector and also heats the plastic sheet as it is moved through the second sector. In the third sector, there is a rotating die which has a plurality of die faces. Each of the die faces is an object form. A first stage of the rotating die receives the heated plastic sheet from the second sector and deforms the heated plastic sheet around the object form to create the object shape. A second stage of the third sector cools the deformed plastic and removes the object from the die faces.

Abstract: Apparatus for automatically exchanging a stamper unit with another one for an injection molding machine which is operated for injection-molding a disc or the like includes a case conveyance section and a stamper unit infeed/outfeed section wherein the case conveyance section includes a slide table adapted to move in the longitudinal direction with the aid of a driving unit mounted on a housing, a pair of inside and outside conveyance platforms each adapted to be raised and lowered and a vertically postioned preheating member arranged sidward of the inside conveyance platform. The stamper unit infeed/outfeed section includes an infeed/outfeed path arranged at the fore end part of a driving unit mounted on a platform at the upper part of a frame upwardly extending from a housing and an infeed/outfeed unit arranged behind a suspension unit for provisionally suspending a unit case, the suspension unit being located at the rear part of the infeed/outfeed path.

Abstract: A method for automatically exchanging a stamper unit with another one for an injection molding machine which is operated for injection-molding a disc or the like.

Abstract: A mold assembly, wherein the mold assembly has a peripheral surrounding body into which two opposed die-halves fit to define a mold cavity. The die-halves are each releasably lockable to the surrounding body by means of catches so that the mold can be locked, releasably, in a closed condition after having been closed in a press to compress material therein.

Abstract: A mold closing unit for use in an injection molding machine for processing plastic materials for removal of moldings is provided with a device for actuating at least two first identical parts of an injection mold, which are transferred alternately into the space between the mold carriers of the mold closing unit on a guideway that runs transversally with respect to the closing direction for creation of an injection mold.

Abstract: The invention concerns apparatus for molding tube (20) utilizing a travelling mold tunnel. The tunnel is made up of mold blocks (16) each comprising parts (13, 15) which are hinged together to be closeable to form the tunnel and openable to release tube from the tunnel. The opened mold blocks (16) from the downstream end of the tunnel are opened and returned to the upstream end without change in their orientation to reform the tunnel about an extrusion nozzle (18) for thermoplastic extrudate.

Abstract: A machine for the production of seating components having a plurality of movable press centers which are moved about by a track to a plurality of workstations where different manufacturing operations are performed. The track is equipped with transfer capability to selectively bypass one or more of the workstations to enable different components to be made simultaneously using different methods. The track can further move a press center off line for repair without interrupting the operation of the machine.

Abstract: A machine for manufacturing polystyrene foam products, whereby a mold comprising a first half and a second half mold defining a molding chamber when closed, is loaded, with the two half molds locked in the closed position, onto the machine and into an operating position wherein the mold is connected automatically to granular polystyrene and utility fluid supply lines. In this operating position, the two half molds are rendered mutually mobile with the first half mold, connected to the utility supply lines, remaining locked to a fixed frame on the machine, and the second half mold remaining locked to a mobile frame on the machine.

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: A method of forming a bodyweight supporting, pressure-equalized impression of the foot, generated by an apparatus that creates a dynamic state to the foot, simulating the gait cycle of human ambulation. The foot and impressionable material are placed on granular particles within a container. The container is mounted to a base with a turntable between them. A planar, elongate insert is partially inserted within the granular particles. The base has a guide pin that fits through an opening in the container into a track in the insert. The insert is removable by pulling and when the insert is removed the granular particles and accompanying foot shift to fill the volume previously occupied by the insert. The shifting movement begins at the heel of the foot and continues progressively past the toes. Also, as the insert is removed the container pivots on the turntable in adduction. The inserts track slides along the guide pin controlling the amount and timing of the twist.

Abstract: Disclosed is a thermoplastics molding device including two lateral molding chambers separated by a form setting chamber within a casing, a plurality of mold carriers respectively and horizontally supported on horizontal supports in each molding chamber and the form setting chamber at different elevations, reciprocating mechanisms respectively disposed in the molding chambers and the form setting chamber at the bottom and controlled to move the mold carriers in either chamber toward a top stop for permitting the mold carriers with molding dies thereon to be closely attached in a stack; and a shifting mechanism controlled to move molding dies from the mold carriers in either molding chamber to the mold carriers in the form setting chamber for quick setting of the moldings shaped in respective molding dies.

Abstract: An apparatus includes an endless conveyor formed with transverse rows of holes each adapted to receive a preform to be filled with ice cream or other edible substances from an upper filler assembly adapted to move intermittently synchronically with the conveyor during operation of the thereof. Under an upper run of such first endless conveyor, in the area at the filler assembly, is a second endless conveyor adapted to move synchronically with the first endless conveyor and carrying transverse rows of liftable and lowerable suction cups which in their turn are adapted to be lifted up through an overlaying row of the holes for engaging and removing a respective preform from a dispenser station in the filler assembly and lowering the preform onto the first endless conveyor while holding it in correct position during the subsequent filling operations. A wall portion is radially spaced around each hole to prevent displacement of filled preforms resting on the first endless conveyor but not fitting into the holes.

Abstract: The apparatus includes a heatable casting bed, a device for tensioning a reinforcement member at the casting bed, a finishing machine movable along the casting bed for casting a component, a cutter for cutting the reinforcement member, a plurality of roller trucks arranged like a train and of increasing height for wedge-like penetration between the component and the casting bed, a slider roller bed at a rear end of the plurality of roller trucks having a length equal to the casting bed length, an actuation device for generating relative motion between the roller trucks, sliding roller bed and casting bed, in order to transfer the component from the casting bed to the sliding roller bed, and a cutting station for cutting the component into segments.

Abstract: An independent pallet delivery system for transporting pallets through a block forming machine that forms concrete blocks on a pallet. The systems includes a pallet magazine for storing a plurality of pallets therein. A conveyor belt formed with a pulley system for transporting the pallets. A pallet pick-up position which receives a pallet from the pallet magazine and places the pallet in a holding position above the conveyor. A jacking assembly is provided to raise that conveyor to engage with the pallet and deliver the pallet to the block forming machine. The block forming machine lifts the empty pallet and forms a molded block thereon. As the block forming machine lowers the pallet towards the conveyor, the jacking assembly lowers the conveyor to cushion the return of the pallet having the molded cement blocks thereon. The pallet with the molded concrete blocks is placed on the conveyor and a takeaway conveyor which move at essentially the same speed and outputs the pallet to an automated conveyor.

Abstract: An apparatus is provided for moulding a polymeric foam into a bun in a longitudinally-extending, channel shaped mould by a mobile vessel and fall plate which are progressively transported from one end to the other of the mould to lay down partially-expanded foam over the bottom of the mould. The apparatus includes a mould for receiving a polymeric foam and including a longitudinally-extending, channel-shaped enclosed mould through which a mobile vessel and fall plate are progressively transported from one end to the other of the mould to lay down partially-expanded foam over the bottom of the mould while the mould is in a moulding position. Gas is vented from the interior of the mould and the mould is moved from the moulding position to a curing position remote from the moulding position where the bun cures in the mould.

Abstract: A connecting assembly for connecting a multitude of axially extending punches to a rotatable punch drive plate in a rotary press having a die plate supported for rotation in a given plane and forming a multitude of die cavities. Each of the multitude of punches is supported for axial reciprocating movement in an associated respective one of the die cavities, and the drive plate engages the punches and has a generally flat shape extending at an angle to said given plane, and rotation of the die plate and the drive plate reciprocates the punches in the die cavities. The connecting assembly connects each punch to the punch drive plate for limited swinging movement to maintain the punch axially aligned with the associated one of the die cavities as the die plate and the drive plate rotates.

Abstract: A confection molding machine provides for continuous, multiple cavity molding and unmolding of confection figures which may be of differing configuration and mass. The mold device utilizes a self-closing and opening mold in conjunction with dedicated, independent injection nozzles and confection pumps. Two outwardly facing mold halves are carried on an independent mold assembly, and corresponding mold halves abut one another just before filling and again after unmolding the finished confection figure. An endless conveyor, preferably a pair of spaced transfer chains, carries the mold assemblies and the mold halves are clamped together when passing over an unsupported section of the endless conveyor.

Abstract: An automated concrete pipe making machine that utilizes an automatic feeding system in which a feed tray and its feed pan are mounted on a carrier that moves from a retracted position into a feeding position where the feed tray is aligned with and locked to the pan at the top of the form or forms to be filled. At the appropriate time after the forms have been filled, the feed pan is withdrawn onto the feed tray, which is then unlocked from the top of the form and retracted.

Abstract: Disclosed is an apparatus which allows for selective employment of a plurality of collapsible support cores to provide shoring support to the interior walls of cabinets during insulating thereof. The cores can be selectively interchanged to utilize a core which corresponds to the size and shape of the particular cabinet to be insulated. Each of the support cores are insertable into the interior section of a cabinet and expanded therein to position a plurality of shoring panels, including separate corner shoring panels, into supporting engagement with the interior walls of a cabinet during insulating to prevent bulging of the interior walls associated with the insulating. After insulating, the core panels are retracted away from the cabinet interior walls so that the core can be inserted into and removed from the cabinet interior without contacting the interior surfaces during insertion nor removal.

Abstract: The apparatus includes molding a plurality of recesses on a layer of foam material which is laid on a laying surface and moved forward. These recesses include a base open on the laying surface and are subsequently cross-linked by introducing steam under pressure through the bases of the recesses into cavities of the recesses formed during the molding step. The apparatus includes a conveyor element in which a plurality of plates disposed side-by-side are provided with protuberances corresponding to the recesses to be formed in the foam layer. The protuberances are open at their bases to enable introduction of steam into an inner space within each of the protuberances.

Abstract: According to the invention, calibrated rings are obtained by superficially vulcanizing extruded or profiled extrudate at the exit of an extrusion head (T), then by cutting this vulcanized extrudate into portions by means of a conical cutting device (C), subsequently by butting the two ends, in the respective form of a conical tip and a funnel, of each portion (t) together under hot conditions and under a controlled pressure, in order to obtain a ring blank which is then engaged between the half-cavities of a mold (Mo), where it undergoes shaping and vulcanization by the heating of the latter and thereafter deburring as a result of a shearing action produced by a push device (D) causing the half-cavities to slide in the closed position in the frame of the mold, before causing the opening of the latter by means of a device (G) and the release of the calibrated and superficially clean ring obtained.

Abstract: A press for compressing a food material includes a support frame, a die plate rotatably supported by the support frame and forming a multitude of die cavities for receiving the food material, and a food supply device conducting the food material to the die cavities from a source of the food material. The press further includes a first punch assembly rotatably supported the support frame, located on a first side of the die plate, and including a multitude of first punches for axial reciprocating movement; and a second punch assembly rotatably supported by the support frame, located on the second side of the die plate, and including a multitude of second punches supported for axial reciprocating. Each of the first and second punches is aligned with one of the die cavities of the die plate.

Abstract: An apparatus for high frequency molding plastic material using a mold made of a conventional material for applying this technique, e.g. a silicone elastomer or like material. The mold is kept locked shut while the shaped plastic material is cooling by the effect of a pressure reduction set up inside the mold after the high frequency electric field has been applied.

Abstract: A compression molding apparatus equipped with a rotary support member on which are mounted a plurality of molds. The molds are successively conveyed passing through a plastic material feed zone, a compression molding zone and a discharge zone by the rotation of said rotary support member. A plastic material feed device is disposed in said plastic material feed zone to feed a softened and molten plastic material to each of the molds. The plastic material feed device includes an extruder, an extruding block in which a plastic material flow path is formed, and a plastic material flow control device disposed between the extruder and the extruding block. The plastic material flow control device includes a main body that has an inlet path communicating with the extruder, a feed path communicating with the extruding block, and a discard path.

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: An apparatus for molding a product such as an automotive instrument panel of synthetic resin has a first station including a mechanism for opening and closing a mold assembly, a second station including a mechanism for pouring a resin solution into the mold assembly which is closed, and a third station for hardening the poured resin solution in the mold assembly. A feed mechanism interconnects the first, second, and third stations in a looped configuration for circulating at least three mold assemblies through the first, second, and third stations. The mold assembly includes a first mold die for placing therein a covering sheet of a predetermined shape, a second mold die combinable with the first mold die to define a mold cavity therebetween, and a mechanism for pouring a resin foam solution into the mold cavity to form a molding integral with the covering sheet.

Abstract: A hollow forming machine capable of rotating moulds in both horizontal and vertical directions wherein a motor is used to drive sleeves to rotate in both vertical and horizontal directions, and through the engagement of outer gears of the sleeves and the drive gear shaft, a horizontal mandrel is driven to rotate in the same direction as the sleeves, and through the engagement of two bevel gears, the rotation of the horizontal rotation of a vertical mandrel to drive a mould seat to rotate in both horizontal and vertical directions. An air pipe is disposed in hollow pipes of the horizontal and vertical mandrels to communicate an air extractor and the mould for performing air extracting and air blowing so that the molded product has fine quality and uniform wall thickness without bubbles on the surface.

Abstract: In a device for making shaped objects from plastic refuse plasticized in a roller extruder under pressure and ejected from the nozzle of the extruder a plurality of molds are provided transported to the extruder, filled thereby and transported therefrom. Each mold has at the end face a plate having a filling opening. During the filling process this plate sealingly overlaps the surface surrounding the nozzle so that the mold can be filled with plasticized plastic under the pressure generated in the roller extruder.

Abstract: A process for molding thermosetting plastic parts in a more efficient manner involving less cost and a higher production output, includes sequentially filling molds with a thermosetting plastic material in a continuous and uniform manner, passing the molds sequentially through an elongated heating chamber, removing the parts from the molds, and returning the molds for reuse. Also, to increase the versatility of the process, a plurality of independently driven conveyor assemblies are positioned within the heating chamber so that a number of different parts having different sizes, configurations and/or material may be fabricated concurrently with one another.

Abstract: In a machine for moulded chocolate bars of the type having a pair of chains, a plurality of carriers attached to the chains and separate moulds mounted in the carriers; the present invention combines mould and carrier into one piece having a mould and sheath slots to directly connect the mould to pins connected to the chains on machines designed for separate carriers and moulds.

Abstract: A machine is provided for manufacturing moulding trays. Each bed plate is connected between two parallel endless conveying chains such that each is downwardly turnable as it passes over rear chain wheels. Carrying rollers are fixed to the rear of each bed plate. A guiding means is arranged between upper and lower parts of the chains for guiding the rollers during the downward turning. A supporting track is provided beneath the lower part of the chains. Thus, the present invention conserves the space in the conveying direction while conveying the bed plates in the direction of the lower part of the chains by the connecting means and by the carrying rollers contacting the supporting track.

Abstract: Apparatus for making tiles or slabs such as roofing tiles or paving slabs from castable material, comprises a sequence of platens on an endless conveyor which affords a substantially continuous surface onto which are laid plates and from which dividers are extensible between those plates to sever or at least partially sever a layer of castable material charged and compacted onto the plate. Improvements include selective operation of dividers and their additional provision medially of the platens, selectively operable multiple drill head, charging roller, special plates for tiles to be bent, interlocked drive system.