Abstract: A mold assembly having at least one mold body with at least one cavity formed therein. The mold includes at least one mold insert coupling portion formed on the mold body; at least one mold insert being of substantially complementary size and shape with respect to the mold insert coupling portion, each insert being provided with a tapered guide surface for guiding the mold insert into the mold insert coupling portion; at least one means for clamping the mold insert in a predetermined position within the mold insert coupling portion. The mold insert is reciprocally movable within the mold insert coupling portion in a direction generally perpendicular to the parting line of the mold assembly.

Abstract: An apparatus for the manufacture of corrugated pipes of thermoplastic plastics, which has circulating mold segment halves disposed in two opposite rows subsequent to an injection head, includes a wedge element for separating the mold segment halves. This wedge element is displaceable parallel to the direction of production. Further, grab equipments are provided to be displaceable,counter to the direction of production, by which one additional mold segment half at a time can be moved to the downstream end of a molding path, removed from the latter in the direction of production and moved into a parking position.

Abstract: A mold box assembly for forming molded concrete products includes a pair of opposed substantially parallel end plates joined at both ends by a pair of opposed substantially parallel mounting brackets. A plurality of partition plates extend between the end plates to define a plurality of substantially identical cavities for forming molded products. A slot is formed along the inside of each end plate substantially along the length thereof. Tabs which extend from opposing ends of each partition plate include a stud transversely mounted on the end plate using ring nuts. The opposing tabs and studs of each end plate are received in opposing end plate slots. End liners are bolted to the inside surface of each end plate over the studs on each side of each partition plate with the ring nuts bearing against the surface of the end liner.

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

Abstract: An extruder for rubbery materials includes an extruding unit having a die holder. A horizontal lead-through groove is formed in the die holder for slidably arranging a die plate therein. A rubbery material is extruded through the die plate in a predetermined direction to form a strip rubber member with a predetermined cross-section. A storing device is arranged on one side of the extruding unit, for temporarily storing a plurality of die plates to be subsequently used on a storing table in accordance with a predetermined use priority. The storing device delivers a next die plate from the storing table to a waiting position along the extension line of the lead-through groove. A moving device is operative when the die plates are to be changed, for moving a current die plate together with the next die plate at the waiting position, along the lead-through groove in a direction toward the other side of the extruding unit.

Abstract: A molding machine has a mold material supply device, a die setting device, a separating device and a deburring device. The supply device includes a mold material feeding device, an extruding device for receiving a mold material from the mold material feeding device and extruding the mold material so as to form an extruded mold material, a cutting device for cutting the extruded mold material, and a transfer device for receiving the extruded mold material from the cutting device and transferring the same.

Abstract: A die changer truck for use with a tire vulcanizer, including a self-propelled chassis adapted to halt in front of the tire vulcanizer, a swiveling table rotatably mounted on the self-propelled chassis, two mounting sections for respectively mounting two die assemblies, and two carrier units for respectively carrying two bladder assemblies. The two mounting sections and the two carrier units are provided as two sets on the swiveling table. The two sets are selectively positioned by rotation of the swiveling table. Accordingly, the carriage and change of not only the die assemblies but also the bladder assemblies with respect to the tire vulcanizer can be automated.

Abstract: A mold for a semiconductor package having a port for feeding resin which can be fixed either in an upper mold (1) or a bottom mold (2) corresponding to the location of the flange tip so that the operating rate of the equipment is increased to achieve high productivity.

Abstract: A screw extruder, for use with or without a calender, has a divided or split extruder head with upper and lower parts or halves hingedly mounted on a collar secured to a flange at the discharge end of the extruder cylinder. Each of the upper and lower extruder halves is movable between an open innoperative position and a closed operative position by a piston cylinder unit acting between a fixture on the respective extruder head part and a fixture on the extruder cylinder. When in closed position, the upper and lower extruder head parts or halves are pressed toward one another by a pair of vertical piston-cylinder units, each having a cylinder with lower end engaging the upper extruder head part and a projection on a piston rod engaging the lower extruder head part. The vertical piston-cylinder units are mounted on pivoted carriers mounted on the collar on the extruder cylinder. The two carriers are interconnected by a horizontal piston-cylinder and are also movable vertically.

Abstract: A method of adjusting gap of a plastic flow channel is provided in a plastic forming device having a first body part adjacent one side of and adjustable relative to the channel and a second body part on which the first body part is mounted by a tight fitting between the first and second body parts. When the device is not in operation one of the body parts is subjected to a first temperature change producing a temporary temperature differential and a loosening of the fitting between the body parts. Positioning of the first body part on the second body part is adjusted while the fitting is loosened and then the one body part is subjected to a second temperature change opposite to the first temperature change to offset the temperature differential and restore the tight fitting between the body parts.

Abstract: A disk substrate molding die is provided in which the quantity of eccentricity of a stamper can be reduced to a small value. The molding die includes a member having mounted thereon a thin plate (19) carrying thereon a recorded transfer signal and an adjusting device consisting of a plurality of pairs of adjusting blocks, each formed of movable blocks (9a) and (9b) and blocks (10a) and (10b) having adjacent surfaces inclined in the moving direction of the movable blocks and common to one another.

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 vulcanizing mold setting apparatus for setting a vulcanizing mold assembly (21) on the platen (6) of a tire vulcanizing apparatus (1) comprises: a mold transfer mechanism (54) comprising a mold carriage (49) for horizontally moving the vulcanizing mold assembly (21) to and away from the tire vulcanizing machine (1), a pair of guide units (41) disposed respectively on the opposite sides of the platen (6), and a pair of mold supporting units (24) disposed respectively on the opposite sides of the platen (6) behind the guide units (41) to support the vulcanizing mold assembly (21) above the platen (6); a pair of lifting mechanisms (27) for vertically moving the mold supporting units (24) to place the vulcanizing mold on the platen (6); a centering mechanism (29) for centering the vulcanizing mold assembly (21) on the platen (6); and clamping members (26) for fastening the fixed mold (7) of the vulcanizing mold assembly (21 ) to the platen (6) after the vulcanizing mold assembly (21) has been centered on the pl

Abstract: This apparatus, preferably applicable to a molding machine using the core change type dies, is capable of pushing out the inserted core from the mother mold, thereby facilitating the core extracting operation by the robots. A mother mold of a complementary die in the core change type dies is constituted by a main body and an intermediate plate which is disposed behind the main body and to be movable in both the forward and backward directions. A core fixing and releasing mechanism is provided on the intermediate plate. Furthermore, there is provided a push-out device disposed in a clearance formed between the main body and the intermediate plate when the intermediate plate is shifted rearward. The push-out device has its one surface abutting on a front surface of a core and its another surface abutting on a rear surface of the main body.

Abstract: An insert for molding the convex surface of a progressive lens, the insert having an annular shoulder or flat disposed to the rear of the front edge of the concave surface of the insert. The periphery of the insert includes a first cylindrical surface axially extending rearwardly from the front surface of the insert and a second cylindrical surface of larger diameter axially extending forwardly from the rear surface of the insert. The two cylindrical surfaces are joined by the radially extending shoulder. A retainer for the insert is provided with two axially displaced bores of respective diameters slightly greater than those of the two cylindrical surfaces of the insert. Positioned between the bores is a radially extending annular shoulder or flat.

Abstract: In a thermoplastic material extrusion line having a melt extruder, a gear pump, and a die aligned with one another, the gear pump is supported on a hinged articulable arm for swinging movement into and out of operative disposition in alignment with the extruder to simplify realignment of the gear pump with the extruder and the die whenever it becomes necessary to remove the gear pump from the line for maintenance or service.

Abstract: Encapsulation molding equipment includes individual mold bases each having an elongated shallow recess which receives strip-like carriers supporting semi-conductor chips and like objects for encapsulation. Cavity inserts having various numbers of cavities of different size and dimension individual to carriers having like numbers of chips of a range of size and dimension fit over the strips with each cavity on an insert surrounding the chip to be encapsulated. Gate and vent passages are formed on the surface of the insert spaced away from the mold base member for supply of resin from a central resin receptacle. Gate passages in the cavity inserts are configured to provide a restriction at the edge of each mold cavity, thereby accelerating the flow of liquid resin, rapidly filling the cavities and avoiding the entrapment of gas bubbles. The inserts have mold vent passages which allow for rapid venting of displaced gases from the cavities.

Abstract: A stopping device (37) is provided in a metal mould depository stand (6) and a stop cancelling device (39) is provided in a metal mould replacing carriage (3). When a metal mould (13) supported by the stand (6) is transferred onto the carriage (3), firstly the carriage (3) is moved to a location of the stand (6) a stopped condition of which is going to be cancelled, so as to make an output portion (53) of the cancelling device (39) face an actuating member (44) of the stopping device (37). Then, the output portion (53) is made to advance from a return position (G) to an advanced position (H). Thereupon, the actuating member (44) is changed over to a retracting actuation position (D), so that the actuating member (44) changes over a stopper member (42) to a retracted posture (B).

Abstract: A wax pattern molding process, employing a mold having a cavity and a core structure in the mold cavity that include closing the mold with the core structure positioned in the mold cavity; injecting flowing heated wax into the mold to flow about the core; allowing the injected wax to cool and solidify to form the wax pattern; removing the core structure from the solidified wax pattern, while the mold holds the pattern in position in the mold; and opening the mold and removing the unencumbered wax pattern from the mold.

Abstract: A machine for producing configurated products including a rotary die roll having die cavities therein and a pair of feed rollers for feeding viscous product into the die cavities. The feed rollers may be easily moved away from the die roll and the die roll may be rolled out of the machine to allow replacement thereof. Relief members extend from a backing knife between adjacent die cavities of each row as the die roll rotates. These pressure relief pads reduce the amount of product contained in the pressure chamber and thereby reduce the amount of working of the material as it is forced into the die cavities. The machine includes a front shearing knife having removable and replaceable shearing inserts. The feed rolls of the machine include longitudinally extending tapered recesses with opposed recesses of the respective feed rolls being staggered at the inlet of the pressure chamber to cause particulates within the feed product to be more easily fed into the pressure chamber with less resulting damage.

Abstract: Encapsulation molding equipment includes individual loading bars each having an elongated support surface which receives strip-like carriers supporting semi-conductor chips and like objects for encapsulation. Cavity inserts having plural rows of cavities of different size and dimension individual to carriers having like numbers of chips of a range of size and dimension fit over the strips with each cavity on an insert surrounding the chip to be encapsulated. Converging gate passages and vent passages are formed on the surface of the insert spaced away from the mold base member for supply of resin from a central resin receptacle to the cavities. Support of the cavity inserts independent of the loading bars and resilient mounting of the loading bars is disclosed. The mold is completed by an upper mold member which closes the mold and effects a seal between the mold parts and provides for delivery of encapsulating resin to the cavities in the cavity inserts.

Abstract: An apparatus for forming a modeling composition includes an extruder assembly for receiving and extruding a quantity of said modeling composition, and first and second mold assemblies of different sizes which are removably receivable on the extruder assembly for receiving modeling composition extruded therefrom. Each of the mold assemblies includes a rear plate portion and a front mold cavity portion which is preferably made of a transparent plastic material and adapted to be assembled with the plate portion thereof so that it cooperates therewith to define a mold cavity for receiving modeling composition therein from the extruder.

Abstract: A filter assembly used in combination with an extruder producing a stream of pressurized molten plastic has an inlet plate formed with a Y-shaped inlet passage having a substantially circular-section upstream end adapted to receive the stream of pressurized molten plastic from the extruder. The inlet passage branches downstream of its upstream end and has a pair of downstream ends opening at substantially circular downstream ports. An outlet plate fixed immediately downstream of the inlet plate is formed with a Y-shaped outlet passage having a substantially circular-section downstream end. The outlet passage is branched symmetrically to the inlet passage upstream of its downstream end and has a pair of upstream ends opening at substantially circular upstream ports aligned with the downstream ports. A rotatable filter disk engaged between the plates is formed with a circularly annular array of substantially circular-section throughgoing holes each defining a respective substantially circular seat.

Abstract: A molding machine has a mold material supply device, a die setting device, a separating device and a deburring device. The supply device includes a mold material feeding device, an extruding device for receiving a mold material from the mold material feeding device and extruding the mold material so as to form an extruded mold material, a cutting device for cutting the extruded mold material, and a transfer device for receiving the extruded mold material from the cutting device and transferring the same.

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 quantitative flour feeding unit of a noodle making machine which can easily be exchanged with another one for making a different kind of noodle using a different kind of flour including a support platform on which a hopper and a rotational driving mechanism are mounted to quantitatively feeding the flour stored in the hopper to a flour kneading unit. The support platform is removably mounted on a housing of the noodle making machine by a position determining unit to enable the exchange with the position determining unit including a V-shaped groove formed at one corner of the support platform and a stationary knob disposed on the support platform at another diametrically located platform corner. The noodle making machine has a unit for transmitting the power generated by a motor to the rotational driving mechanism and a unit for setting and indicating what kind of flour is being used at present.

Abstract: Reusable core apparatus for a casting mold is disclosed. The apparatus includes a first core mechanism for being disposed in a casting cavity of the mold to define a first internal casting surface within the cavity, a second core mechanism for being disposed in the casting cavity to define a second internal casting surface in the casting cavity, and a securing mechanism for securing the first and second core mechanisms together in a predetermined engaging relationship within the casting cavity. The securing mechanism is adapted to maintain the first and second core mechanisms in the predetermined engaging relationship while an article is being cast in the mold and to release the first an second core mechanisms from the predetermined engaging relationship after the casting process so that the first and second core mechanisms may be directly and easily disengaged with each other and from a cast part so that the first and second core mechanisms may be reused in casting additional parts.

Abstract: An electric circuit wire clamping device of the injection molding machine includes mainly a clamping block, a clamping block cover plate, a cylinder and two push rods. The clamping block Is provided with a bevel slot. The clamping block cover plate is provided with a bevel holding block for holding securely the conducting wire of an electric circuit intended to be housed. The cylinder serves to actuate the two push rods so as to cause the bevel holdeng block of the clamping block cover plate to hold firmly the conducting wire of the electric circuit at the time when the injection molding process of housing the electric circuit is under way.

Abstract: A plastic molding apparatus for semiconductor devices includes a first evacuation passage via which an ejector chamber in a lower die chase block is evacuated through a lower die common surface table, a second evacuation passage via which an ejector chamber in the upper die chase block is evacuated through the upper die common surface table, and a third evacuation passage via which a parting chamber on a parting surface between the lower die chase block and the upper die chase block is evacuated through one of the lower die common surface table and the upper die common surface table. Since the evacuation passages are separate and the volume of the evacuation chamber is reduced, evacuation performance is improved and the size of the apparatus is reduced. The plastic packaging performance is also improved.

Abstract: A filter assembly used in combination with an extruder producing a stream of pressurized molten plastic has an inlet plate formed with a Y-shaped inlet passage having a substantially circular-section upstream end adapted to receive the stream of pressurized molten plastic from the extruder, The inlet passage branches downstream of its upstream end and has a pair of downstream ends opening at substantially circular downstream ports. An outlet plate fixed immediately downstream of the inlet plate is formed with a Y-shaped outlet passage having a substantially circular-section downstream end, The outlet passage is branched symmetrically to the inlet passage upstream of its downstream end and has a pair of upstream ends opening at substantially circular upstream ports aligned with the downstream ports.

Abstract: A vertical press, which has replaceable mold components, has lifting devices for lifting and conveying these parts. The lifting and conveying devices are mounted on a movable topmost mold carrier element of the press, so that the drive and control devices of this mold carrier element (4), which are provided for the pressing process, can be utilized simultaneously for the vertical movement of the lifting and conveying devices. By a programmed control, the necessary movements to shape-specific intermediate positions and coupling and decoupling processes to be performed at these positions are programmed for a series of shapes and can be performed automatically.

Abstract: A frame for supporting a mold for use in manufacturing a product from expanded polystyrene. The frame includes angled corner locking members having longitudinally projecting guide portions located at each end, and longitudinal side members having longitudinally projecting complementary guide portions located at each end. The guide portions and the complementary guide portions are adapted to slidably interfit with one another to form an interlocked engagement. The angled corner locking members and the longitudinal side portions further include recessed portions located on interior facing walls for supporting the mold on the frame.

Abstract: A multi-functional mold which is used for encapsulating chips placed on lead frames is characterized by a chamber arranged in one of the mold halves in which an insert can be replaceably arranged. Depending on the use of the mold in the context of the so-called transfer molding method or injection molding method a different insert is placed in the chamber. In the application as transfer mold the insert includes an elongate member with a bore for guiding a plunger which makes encapsulating material liquid due to the pressure applied thereto and the increasing in temperature. In the application as injection mold the insert includes a member with a through-channel allowing a plasticized encapsulating material coming from a nozzle of an injection molding device to flow into the mold.

Abstract: A method and apparatus for removing molded articles from a continuous, nonsynchronous system using multi-section, self-clamping molds. The apparatus is a mold separator-assembler having an elevator, and a horizontal position mover for disassembling the mold into sections, tracks for receiving sections of the self-clamping molds, and a track mover for moving the mold sections along their respective tracks to parallel, co-planar work stations. Once the molded article is removed at one of the work stations using an intermediate mechanism, the main sections are pretreated and then reassembled using a second elevator and second horizontal position mover, for the next injection operation.

Abstract: A machine frame with a displaceable scaffold for a tool space of an injection molding machine with stationary and movable tool clamping plates connected by columns that are adjusted to a tool height with a tool height adjusting device, the machine frame being formed with a stepped profile for lowering of the center of gravity of the movable tool clamping plate, the slide carriage of the movable tool clamping plate being displaceable on lower straps formed as guideways, and the displaceable scaffold being displaceable on the inner straps of the machine frame and the slide carriage, and being connected with the tool height adjusting device by connecting rods, the displaceable scaffold being shifted under the stationary tool clamping plate when the forming tool is closed.

Abstract: A divider assembly for removable attachment to a dividing and rounding machine, the assembly including a divider blade formed into a circular geometric pattern, with relatively movable plugs fitted into the openings of the geometric pattern, the blade being affixed to a divider plate having openings and the plugs projecting through the openings. The top ends of the plugs are fitted through a plug plate and have reduced diameter shanks for engagement into keyhole-shaped openings in a lock plate. Two knobs are threadable into the respective plates to hold the entire assembly together.

Abstract: A method for positioning both dies set to both movable and stationary platens of a plastic molding machine to form a cavity by fitting convex and concave portions formed on the facing surfaces of the dies into a spigot respectively, wherein a movable die is set to the movable platen at the retreat position to secure the movable die to the home position and a stationary die is temporarily clamped at the home position of the stationary platen by pressing the stationary die in the lateral direction by a repulsive member, the movable die is advanced against the stationary die under the above state, die matching of the stationary and movable dies is performed by fitting the convex portion to the concave portion, and thereby positioning of the stationary die is performed by correcting the position of the die before permanently clamping the stationary die to the stationary platen under the state in which the both dies are fastened by the movable platen.

Abstract: An extrusion head for an extrusion installation for extruding plastic material and having two, three or four extrusion cylinders has a stationary part which is fixedly mounted on the discharge ends of the extrusion cylinders and has flow channels for directing extrudate leading from the cylinders to a central extrusion location at which there is a seat for an extrusion die. Two movable extrusion head parts are hinged on the stationary part for movement between a closed position in which the movable extrusion head parts define an extrusion orifice for the extrudate and hold the extrusion die on its seat and an open position for cleaning. The movable extrusion head parts are moved between open and closed position by piston-cylinder units having cylinders pivotally mounted on the stationary part and having piston rods pivotally connected to lugs on the movable extrusion head parts.

Abstract: The invention pertains to a system for the co-extrusion of multiple layers of thermoplastic material. The invention employs a modular system concept which enables a manufacturer to quickly exchange components to accept melt flow from a number of extrusion injectors to provide a number of extrudate layers for shaping by a standard sheet extruder die.

Abstract: Encapsulation molding equipment includes individual mold bases each having an elongated shallow recess which receives strip-like carriers supporting semi-conductor chips and like objects for encapsulation. Cavity inserts having various numbers of cavities of different size and dimension individual to carriers having like numbers of chips of a range of size and dimension fit over the strips with each cavity on an insert surrounding the chip to be encapsulated. Gate and vent passages are formed on the surface of the insert spaced away from the mold base member for supply of resin from a central resin receptacle. The mold is completed by an upper mold insert plate which closes the mold and effects a seal between the mold parts and provides for delivery of encapsulating resin to the cavities in the cavity inserts. Each mold base has a plurality of recesses, each of which receives a carrier strip and a cavity insert.

Abstract: A stripper plate locking device for use with the mold in a molding machine (e.g., injection, compression or transfer) is presented. The mold has openings in each of the plates of the mold for accepting the stripper plate locking device. The device includes a release pin, a body member and a collet member. The pin has a shaft with a head disposed at one end and a first pair of camming surfaces with a shaft portion therebetween disposed at the other end. The body members has a second pair of camming surfaces with a cylindrical portion therebetween disposed at one end thereof and an opening therethrough wherein the shaft of the pin passes. The collet member has a plurality of expandable resilient fingers which define an opening. The collet member includes a third pair of camming surfaces with a first cylindrical section therebetween for expanding the fingers in cooperation with the first camming surface and the shaft portion of the pin.

Abstract: An annular metal mold portion forming a tire tread is constructed by assembling a plurality of sector metal molds 2 severed in the circumferential direction, and all or some of the sector metal molds 2 are constructed of a plurality of smaller parts 3 severed in the axial direction as well as in the circumferential direction. Joining surfaces between the sector metal molds themselves each consisting of a plurality of smaller parts are formed of contour surfaces in arbitrary shape of the smaller parts. These contour surfaces are such curved surfaces that at every location a radius of curvature is 5 mm or larger and an inclination angle of a tangential plane with respect to a tire axis is 80 degrees or less.

Abstract: A resin sealing apparatus includes upper and lower dies each having a chase block with a plurality of cavities into which molten resin is injected and a supporting member for supporting the chase block, the chase blocks of the upper and lower dies being fitted to each other, and a position determining member attached to each of the chase blocks so that the positions of the chase blocks are determined when they are assembled, wherein each of the chase blocks is attached to each of the supporting members so as to be movable in the vertical and lateral directions within given ranges.

Abstract: A molding machine has a mold material supply, a die setting assembly, separating and de-burring assemblies. The supply includes a mold material feed, an extruder for receiving a mold material from the mold material feed and extruding the mold material so as to form an extruded mold material, a cutter for cutting the extruded mold material, and a transfer assembly for receiving the extruded mold material from the cutter and transferring the same.

Abstract: A brick press easily exchanges a mold as well as a material in a short time in the same way as a mold exchange in a die floating type press in which a press molding is performed only by an upper plunger of the press body with the mold holder being moved vertically. The brick press includes a plurality of transfer trucks provided with a device for removably mounting a mold and a device for supplying raw material. A pin positions the transfer truck to the brick press. In another embodiment, the brick press includes a plurality of transfer trucks. Each transfer truck is provided with the device for supplying raw material, a device for moving the raw material supply device, a device for lifting and lowering the raw material supply device, and a pin for positioning the transfer truck to the mold holder.

Abstract: This shaping device, designed to subject the linearly extruded product to a continuous cooling operation or hot vulcanization operation during shaping is in the form of a tunnel (1) the outer casing of which has incorporated internal channels (A) which do not open out into the inside of this outer casing and which circulate a liquid or fluid at a temperature determined on the basis of the cooling or vulcanization operation chosen, this tunnel having on the inside, mounted in a vertical position, several matrices (FIG.

Abstract: A method and machine for manufacturing polystyrene foam products, whereby a mold, including a first and second half mold defining a molding chamber when closed, is loaded, with the two half molds locked in the closed position, on to the machine and into an operating position wherein the mold is connected automatically to granular polystyrene and utility fluid supply lines. In the operating position, the two half molds are rendered mutually mobile; the first half mold, connected to the 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 angle pin assembly for use in an injection mold having a cam slide. The angle pin assembly includes a bushing and an angle pin. The bushing is received in a bore that is made perpendicular to the planar surface of a cavity retaining plate. This perpendicular bore can be made using a CNC machine so that all machining can be completed on a single machine. The bushing includes an angled bore for receiving an angle pin. The angled bore in the bushing is aligned with an angled pin receiving opening in the cam slide so that normal movement of the mold when opening and closing results in lateral movement of the cam slide away from and toward the molded part.

Abstract: Molds are exchanged by moving a carrier loaded with a cradle between below a mold fitting position of a blow molding apparatus and the mold carrying in and out position. The cradle for supporting the mold is provided with an air blowing means for letting an air into a parison at the time of molding.