Abstract: A fall-prevention leg portion is provided projecting rearward from the central bottom portion of a stationary platen. This leg portion is formed with a pin hole, which receives a pivot pin that fixes the stationary platen for angular motion around a vertical axis, and bolt holes, which receive tilt adjusting bolts for adjusting a longitudinal tilt of a mold mounting surface of the stationary platen with respect to the vertical axis. The parallelism between the stationary platen and the movable platen can be easily adjusted by regulating the angular motion of the stationary platen around the pivot pin and the longitudinal tilt of the stationary platen by the adjusting bolts.

Abstract: Disclosed is a molding-system platen, comprising a mold-support face being configured to support a mold, the mold-support face including a frustum-shaped structure having a pedestal, the pedestal being centrally positioned relative to the mold-support face, and the pedestal being offset rearward of the mold-support face, and the pedestal defining a force-receiving face being offset rearward from the mold-support face, and the force-receiving face being smaller than the mold-support face; a border surrounding the mold-support face, and a width of the border extending from an outer edge of the mold-support face toward the outer edge of the force-receiving face; an upstanding wall extending posterior of the mold-support face; and a peripheral wall extending around a periphery of the mold-support face; and a canopy linking to, and stiffening, the mold-support face and the border, the canopy being suspended over and covering, at least in part, a posterior of the mold-support face, and the canopy being positioned b

Abstract: A tire press has an upper mold fixedly attached to a top plate. A bottom mold is fixedly attached to a bottom plate. The tire press has a plurality of guide posts adapted to maintain proper alignment of the upper mold and the lower mold as the tire press opens and closes. A plurality of lock rods, which are independent of the guide posts, are positioned about the tire press. Each of the lock rods has a first end and a second end. The lock rods may have an adjustment mechanism positioned on the first end of the lock rods to adjust the various mold heights. Locking means are a part of the tire press, which are adapted to selectively engage the second end of the lock rods. Further, each of the lock rods has cylinder mechanism operatively connected to the locking means. The cylinder mechanism is adapted to force the locking means to the surface of the lock rods. The cylinder mechanism is a hydraulic cylinder having the piston disposed within the chamber.

Abstract: A mold closing device for injection molding machines, especially injection molding machines for plastic material, comprises two mold closing plates (10, 12) movable relative to each other. A displacing means (22) with an electromotive drive (26) is provided for opening and closing the mold closing plates (10, 12). According to the invention, the electromotive displacing means (22) that allows for a quick and positionally accurate opening and closing, is connected to a hydraulic holding means (24) for generating a holding force.

Abstract: A clamping unit includes two fixed platens, kept at a distance by tie bars, a platen which can be displaced in relation to the fixed platens, part of an injection mold respectively being arranged on one of the fixed platens and on the displaceable platen, a force generating element to be arranged between the one fixed platen and the displaceable platen, and the tie bars being arranged in vertical alignment. The force generating element is fastened to the displaceable platen and that on the one fixed platen there is arranged a locking element which forms a stop for the force generating element on the one fixed platen or exposes an opening for at least part of the force generating element to enter or pass through the one fixed platen.

Abstract: A die clamping unit includes a stationary platen, a tie bar which is attached to the stationary platen, a movable platen which is movable forwards and backwards along the tie bar with respect to the stationary platen, a first servomotor which moves the movable platen away from the stationary platen in a core-back operation, a second servomotor which moves the movable platen forwards and backwards to perform die-opening and -closing, and a control device which drives the first servomotor to move the movable platen away from the stationary platen and which drives the second servomotor to apply a force to the movable platen in the direction toward the stationary platen in the core-back operation.

Abstract: Disclosed are: (i) a lock of a molding system, (ii) a molding system having a lock, (iii) a method of a lock of a molding system, (iv) a molded article manufactured by usage of a lock of a molding system, (v) a molded article manufactured by usage of a molding system having a lock, and (v) a molded article manufactured by usage of a method of a lock of a molding system.

Abstract: A molding-system clamp assembly of a molding system is disclosed, and includes a clamp piston, and a clamp ram, the clamp ram and the clamp piston each including inter-meshable structures to selectively inter-mesh the clamp piston to the clamp ram, in the unmeshed position the clamp piston and the clamp ram do not inter-mesh relative to each other, and inter-abuttable structures to selectively inter-abut the clamp piston relative to the clams ram, the inter-abuttable structures having an interposing body abuttable against the clamp ram and the clamp piston, the inter-abuttable structures to abut with each other so that the clams piston makes contact with the interposing body, and the inter-abuttable structures to transfer a mold-break force so that the mold-break force is applied from the clamp piston against the interposing body, and in response the mold-break force is transferred from the clamp piston through the interposing body and to the clamp ram, and once mold break has occurred, the clamp piston is de

Abstract: The mold clamping unit comprises a column mounted in a transfer means and moving in forward and backward direction; a mold clamping piston in which clamping operation and clamping-releasing operation are performed; plurality of column teeth disposed on a surface of the column along an axial direction of the column; center bore provided in a central of the mold clamping piston; clamping tooth seating groove with a plurality of clamping teeth inside the mold clamping piston contacting the center bore; rotating plate with plurality of clamping tooth guide grooves separated from the clamping teeth in the axial direction of the column; and a teeth rod positioned in each of the clamping tooth guide groove, wherein each teeth rod is connected to each clamping teeth during the rotation of the rotating plate, for moving each clamping tooth in a central or radial direction of the rotating plate and clamping of the clamping tooth and the column can proceed.

Abstract: A clamping unit, particularly for an injection molding machine, includes at least one moving platen which is moveably arranged on a frame element. At least one hydrostatic support is provided in an area between the platen and the frame element for facilitating back and forth displacement of the moving platen to thereby avoid speed-dependent friction values. Operation of the clamping unit is realized by building up pressure in a hydrostatic support before the moving platen is initiated for displacement so that the moving plate is slightly raises platen in relation to the frame element. After displacement of the moving platen, the pressure in the hydrostatic support is decreased again.

Abstract: A resin molding apparatus includes a fixing member to which a top mold is attached, a movable member to which a bottom mold is attached, a push-up member provided below the movable member, a drive mechanism moving the push-up member in upward/downward direction, and a flexible joint provided between the movable member and the push-up member. The push-up force of the drive mechanism is transmitted from the push-up member via the flexible joint to the movable member. Thus, a crack does not occur at a connection portion between the push-up member and the movable member. Therefore, a gap is not created between the top mold and the bottom mold. As a result, an excellent molded product is formed.

Abstract: In a mold apparatus, guide pins are provided at a movable mold, and guide holes are formed in a fixed mold, and even when the guide pins are offset in an arbitrary direction perpendicular to a mold clamping direction, the guide holes can be fitted respectively to the guide pins, and can guide the movable mold 19A into a position where the movable mold coincides with the fixed mold. A holding device is provided at the movable mold, and this holding device holds the movable mold relative to a movable base in a manner to allow the movable mold to move in an arbitrary direction perpendicular to the mold clamping direction.

Abstract: The invention relates to a hydraulic device for the back and forth movement and locking of a machine part, in particular for the opening, closing and locking of an injection molding tool. The hydraulic device comprises a cylinder (1), in which a first pressure space (6) is provided, a primary piston (2) with one or several piston rods (11) which may float in a pressure medium within the first pressure space (6) and furthermore an secondary piston (7) which may be axially displaced within the cylinder (1). The invention is characterized in that the auxiliary piston (7) comprises recesses (12), into which the piston rods (11) of the primary piston (2) can be moved and the opposing sides of the primary piston (2) and secondary piston (7) have surfaces (40, 41) which may be brought into contact. In a first movement phase (opening and closing) only the primary piston (2) is moved.

Abstract: A die clamping system enabling reduction of the size of a tie bar withdrawing mechanism, that is, a die clamping system provided with a fixed die plate, a moveable die plate, tie bars withdrawable from the fixed die plate, moveable parts engaging with the tie bars, withdrawal cylinders moving the moveable parts provided in the moveable die plate in a withdrawing direction, and a hook system engaging the moveable parts and the tie bars. When a second coupled part and a second coupling part are coupled, a drive mechanism moves said moveable die plate to a die opening direction and afterwards releases the coupling of the second coupled part and the second coupling part. When a coupling is formed by the hook system, the withdrawal cylinders move the moveable parts to a withdrawing direction.

Abstract: A mold locking device (10) includes a leader pin (11) and a leader pin bushing (12). The leader pin includes at least one receiving hole (111) defined in an outer surface thereof and at least one spring-loaded ball bearing (112) received in the at least one receiving hole. The spring-loaded ball bearing includes a coil spring (112a) and a ball bearing (112b). The coil spring has one end connected with the leader pin and the other end connected with the ball bearing. A portion of the ball bearing extends beyond the outer surface of the leader pin. The leader pin bushing is used for insertion of the leader pin therein. The leader pin bushing further includes a groove (121) defined in an inner surface for receiving the portion of the at least one spring-loaded ball bearing. A mold (1) is also provided. The mold includes a male mold part (20), a female mold part (30) and the above-described mold locking device.

Abstract: Disclosed is: (i) a hydraulic drive of a molding system, (ii) a molding system having a hydraulic drive, (iii) a method of a hydraulic drive of a molding system, (iv) a controller of a drive of a molding system, (v) an article of manufacture of a controller of a drive of a molding system, and (vi) a network-transmittable signal of a controller of a drive of a molding system.

Abstract: The invention provides an injection molding machine that prevents inclination of a stationary platen by a nozzle touch force. A groove is formed in a base along the axis of injection. Protrusions are provided on both lateral sides of the stationary platen. A bottom of the stationary platen is fixed on a bottom of the groove and bottoms of the protrusions are fixed on tops of ridged formed at opposite sides of the groove. A nozzle touch force applied by a nozzle provided on the front of a screw cylinder is applied against substantially the center portion of the stationary platen.

Abstract: In a toggle-type clamping device that drives by belt driving by a motor, to detect securely a break in a belt using a simple and inexpensive construction. A dog is mounted on a crosshead of a toggle mechanism, a proximity switch is mounted on a rear platen, and arrival of the crosshead at a predetermined position is detected. A position detector is mounted on a motor that drives the toggle mechanism via a belt and a ball screw. When arrival of the crosshead at the predetermined position (a mold touch position or a position at which the mold is open a predetermined distance from the mold touch position) is detected by the position detector, if the dog is not detected by the proximity switch, the clamping device outputs an alarm as an indication that an abnormality such as a break in the belt has occurred.

Abstract: A mold clamping system using mold opening and closing mechanisms to move a movable platen toward a fixed platen, engaging half nuts with engagement parts formed at tie bars, and using clamping cylinders to pull tie bars and clamp the mold, provided with position adjustment rods arranged on the opposite sides from the mold attachment surfaces of pistons of the clamping cylinders, a plurality of adjustment cylinders arranged, in parallel with the position adjustment rods, on the fixed platen or movable platen at the side where the clamping cylinders are arranged, and connection members connecting rods of the adjustment cylinders and the position adjustment rods, whereby the mold clamping system is shortened in overall length and simple mechanisms are used to control the position adjustment of the tie bars with a high precision.

Abstract: A rubber injection molding apparatus and method for simultaneously molding a plurality of work parts (40) in separate molds (30) using a single, vertically oriented press machine (22). A clamping mechanism (52) is responsive to the vertical, reciprocating motion of the press ram (26) for converting the generally vertical motion of the press ram (26) into a horizontal clamping force to squeeze and hold the molds while rubber is injected into their cavities (38). The molds (30) each have two mold halves (32, 34) joining one another along a parting line interface (36) with the mold cavity (38) in between. The mold halves (32, 34) are received in universal carriers (62), which in turn are suspended between and slideable along spaced-apart first (58) and second (60) rails. A large number of mold cavities (38) can be filled simultaneously using a vertically oriented press machine (22).

Abstract: Disclosed is: (i) a platen-stroke actuator of a molding system, (ii) a molding system having a platen-stroke actuator, (iii) a method of a platen-stroke actuator of a molding system, (iv) a molding-system controller of a molding system having a platen-stroke actuator, (v) an energization unit couplable to a molding-system controller of a molding system having a platen-stroke actuator, (vi) an article of manufacture of a molding system having a platen-stroke actuator and/or (vii) a network-transmittable signal of a molding system having a platen-stroke actuator, amongst other things.

Abstract: An apparatus includes an injection molding machine, a hot runner apparatus attached to the molding machine, and a mold defining a part cavity. The mold is attached to the molding machine and operably engages the hot runner apparatus. The hot runner apparatus has secondary nozzles that engage respective sprue assemblies on the mold for communicating melted plastic material to the mold cavity. Each sprue assembly includes a movably mounted sprue and a stress-reducing mechanism with spring washers that support the sprue to provide sufficient force to eliminate leaking at abutting contact surfaces against the secondary nozzles, but that allow limited movement of the sprue to reduce excessive stress focused on the respective sprues. Since the stress-reducing mechanism is located in the mold, each stress-reducing mechanism can be tailored to the particular needs of that particular mold and the particular melted material being processed.

Abstract: An Injection moulding machine with substantially C-shaped machine frames including a joint part arranged between at least one die platen and the machine frame, the joint part comprising a beam extending in the longitudinal direction of the machine which is deformed upon application of a clamping force such that the at least one die platen is tilted relative to the associated side of the machine frame, the support of said beam effected substantially by at least two spaced support surfaces which are arranged above and below the midplane of the at least one die platen whose vertical position may be associated with the elastic deformation of the joint part by means of an adjustable abutment and extending the at least one die platen at an angle to the vertical.

Abstract: Disclosed are molding-system platens, molding systems that include the molding-system platens, and a method of a molding-system platen.

Abstract: A movable platen (4) capable of advance and retraction with respect to a fixed plate is provided with a tie bar connecting device (12) for meshing a split nut (18) with the multiple groove portion (16) of a tie bar (10), and a mold clamping cylinder (20) operable with the split nut (18) serving as a reaction force point. The mold clamping cylinder (20) comprises a primary piston (22) contacting the split nut (18) and a secondary piston (24) movable relative to the primary piston (22). It is arranged that the movable platen (4) is stopped just before the position at which the movable mold contacts the fixed mold, and in this state the split nut (18) is reliably meshed with the multiple groove portion (16). Thereafter, the secondary piston (24) and primary piston (22) are moved integrally with respect to the movable platen (4) so as to effect mold contacting and mold clamping. After molding, the secondary piston (24) and the primary piston (22) are relatively moved to effect mold release.

Abstract: Disclosed are: (i) a molding-system platen actuator, (ii) a molding system having a molding-system platen actuator, and/or (iii) a method of a molding-system platen actuator, amongst other things.

Abstract: To provide a mold clamping apparatus able to suppress spout of a molding material from between mating faces of dies and to extend the lifetime of the dies. A mold clamping apparatus has a control apparatus deciding a distribution of a load divided by a plurality of tie bars based on information concerning to the die and controlling pressure of driving oil of a cylinder chamber of each cylinder for mold clamping independently to become a load having a determined distribution.

Abstract: To provide a mold clamping apparatus that a new actuator is not necessary for a mold thickness adjustment and that the mold thickness adjustment can be performed at low cost. A mold clamping apparatus has a tie bar having a piston and a coupled groove, a cylinder for mold clamping that has the piston of the tie bar built in and that pressured driving liquid for generating mold clamping force is supplied, a half nut coupled with the tie bar releasably by meshing with the coupled groove, a position sensor detecting a position of a moving direction of the tie bar, a direction change valve changing a supply of the driving liquid between a first cylinder chamber and a second cylinder chamber, and a control apparatus positioning a position of the tie bar at a position that the half nut and the coupled groove are able to be meshed by controlling the direction change valve in response to the position of the tie bar detected by the position sensor.

Abstract: Disclosed is an injection molding apparatus that includes an extruder configured to produce a continuous flow of molten plastic. The injection molding apparatus also includes a plurality of mold assemblies and a delivery system that provides an uninterrupted transfer of the continuous flow of molten plastic from the extruder to the plurality of mold assemblies. The present invention also includes an process for using the injection molding apparatus that includes forcing a continuous flow of molten plastic into a delivery system and sequentially routing the continuous flow of molten plastic from the delivery system into a plurality of mold assemblies without interruption.

Abstract: A mold clamping apparatus has a mold clamping force transmitting member disposed in a middle part of a mold mounting platen on which a mold is mounted. An abutting member is detachably provided in a spaced area between a peripheral portion of a mold mounting platen and peripheral portion of a mold clamping force transmitting member. If this abutting member is retreated from the spaced area so that it does not touch the mold mounting platen or the mold clamping force transmitting member, the deflection of the mold clamping force transmitting member due to a mold clamping force is not transmitted to the mold mounting platen. On the other hand, if this abutting member is inserted in the spaced area so that it touches the mold mounting platen or the mold clamping force transmitting member, the deflection of the mold clamping force transmitting member is transmitted to the mold mounting platen.

Abstract: A fall-prevention leg portion is provided projecting rearward from the central bottom portion of a stationary platen. This leg portion is formed with a pin hole, which receives a pivot pin that fixes the stationary platen for angular motion around a vertical axis, and bolt holes, which receive tilt adjusting bolts for adjusting a longitudinal tilt of a mold mounting surface of the stationary platen with respect to the vertical axis. The parallelism between the stationary platen and the movable platen can be easily adjusted by regulating the angular motion of the stationary platen around the pivot pin and the longitudinal tilt of the stationary platen by the adjusting bolts.

Abstract: In a mold apparatus, guide pins are provided at a movable mold, and guide holes are formed in a fixed mold, and even when the guide pins are offset in an arbitrary direction perpendicular to a mold clamping direction, the guide holes can be fitted respectively to the guide pins, and can guide the movable mold 19A into a position where the movable mold coincides with the fixed mold. A holding device is provided at the movable mold, and this holding device holds the movable mold relative to a movable base in a manner to allow the movable mold to move in an arbitrary direction perpendicular to the mold clamping direction.

Abstract: A closing device in a hydraulic injection molding machine includes at least one pressure cylinder unit for building up locking pressure and a drive cylinder mounted in the pressure piston of the pressure cylinder unit for closing the injection mold. The drive cylinder is arranged concentrically relative to the central axis of the pressure cylinder unit. A support element for the pressure cylinder is jutted out by at least one cylinder of the mold closing unit on the side opposite to the stationary mold carrier, the cylinder being connected to the support element and stationary as a result thereof. The support element forms thereby a single piece with the stationary cylinder of the mold closing unit that is connected to the support element. This provides a space-saving structure that meets precision requirements for the production of injection molded parts.

Abstract: A mold for maintaining alignment between mold halves despite a thermal differential between the mold halves. The lock comprises (1) a T-shaped member, consisting of an enlarged, rectangular head and a tongue extending therefrom, and (2) a receptacle with an outwardly opening U-shaped pocket to receive the tongue of the T-shaped member, when the mold halves are pressed together. A vertical conduit is formed in the head and tongue of the T-shaped member, and a horizontal channel, extending through the tongue, intersects the lower end of the conduit. At lest one groove is defined in each side wall of the conduit. A grease fitting is located in a blind hole in the head of the T-shaped member, so that lubricant flows through the vertical conduit, into the horizontal channel, and into the grooves in the opposite side walls of the tongue. The grooves are usually formed in pairs, and are configured in an intersecting X configuration.

Abstract: The present invention relates to a pre-stressed tie rod and method of manufacture. The pre-stressed tie rod can be used on injection molding machines to increase the length of the tie rod and movement of the platen, wherein the tie rods are loaded to restrict mold separation. The pre-stressed tie rods could also be used with other types of presses.

Abstract: A guide member having guide faces is mounted on a base frame of an injection molding machine. Adjusting mechanisms are fixed to a platen. The inclination of a moving platen with respect to a stationary platen in a horizontal direction is adjusted by adjusting the projection amount of a member disposed in the adjusting mechanism in abutment against the guide face toward the guide face.

Abstract: The present invention relates to a high speed direct mold clamping apparatus. The direct mold clamping apparatus has a grooved channel for the flow of oil inside a clamping cylinder to minimize the flow of oil between inside and outside the clamping cylinder. Then, the clamping ram can perform high speed reciprocation in the clamping cylinder.

Abstract: A mold height adjustment device for modifying the distance between the stationary mold carrier and a support element by means of a drive mechanism is provided in a plastic injection molding machining. A locking device locks the support element in its respective position. A release position is provided in the area of movement of the moving mold carrier, which unlocks the locking device when the moving mold carrier is in the release position, thereby providing a mold height adjustment device and a method for actuating the device, which advantageously uses the elements moving on the machine for its actuation.

Abstract: A mold for making an egg-shaped food product includes top and bottom mold halves which cooperate when joined to form an egg-shaped interior mold cavity adapted for receiving a liquid foodstuff. The top and bottom mold halves define a plurality of thermal transit holes passing in registration through the top and bottom mold halves. The thermal transit holes are located adjacent to the interior mold cavity for promoting movement of heat between the interior mold cavity and an environment within which the mold is placed. An injection port is formed in one of the top and bottom mold halves, and communicates with the interior mold cavity for introducing the liquid foodstuff into the interior mold cavity. A fastener joins the top and bottom mold halves together to seal the interior mold cavity.

Abstract: An injection molding system has a plurality of movable sub-clamping units each having a mold therein and a main clamping unit for clamping the mold in the sub-clamping unit. Each of the sub-clamping units alternately enters the main clamping unit for only a filling process to receive the melted resin material from an injection unit. Each sub-clamping unit clamps the mold by its own clamping mechanism and moves to the main clamping unit where the mold is further clamped by a higher clamping pressure by the main clamping unit during the filling process. Each sub-clamping unit is retracted from the main clamping unit immediately after the filling process and stayed outside of the main clamping unit through the holding process and the cooling process, thereby dramatically improving the molding production efficiency.

Abstract: A device for the injection moulding of moulded bodies made from plastic is disclosed, comprising an injection moulding unit (1) and a tool (2) dedicated thereto. At least two cavities (11, 12), corresponding to the dimensions of the moulded body for production are provided on the tool (2) and the tool comprises at least three pieces (4, 5, 6), which move relative to each other and which lie adjacent to each other on separating planes (9, 10). Each separating plane (9, 10) runs through at least one cavity (11, 12). At least one channel (13) for the introduction of molten plastic is provided in the tool (2), which terminates at one end in the cavities (11, 12) and at the other end thereof at an inlet (14) on the surface of the tool (2), which is connected to the injection moulding unit (1) in the working position.

Abstract: In a molding machine, a fixed platen which supports a fixed die is disposed on one end of a base plate. A movable platen which supports a movable die and a supporting mount which supports each one end portion of the four tie bars are mounted on slide units. The movable platen and the supporting mount are advanced so as to close the die, a tip portion of each tie bar is locked to the fixed platen by a lock mechanism, and a die clamping cylinder provided on the movable platen is actuated to generate a clamping force so as to execute molding. After that, the lock mechanism executes an unlocking operation so as to cause the movable platen and the supporting mount to retreat to a die open position. Furthermore, an attaching and detaching mechanism releases the die clamping cylinder so as to cause only the supporting mount to significantly retreat from the movable platen, and thus the four tie bars are completely evacuated from the fixed die and the movable die.

Abstract: A hybrid injection unit for an injection molding machine includes a plasticizing screw having a shaft and constructed for rotation and axial displacement. Operatively connected to the shaft is a first electric motor for rotating the plasticizing screw, and a second electric motor for axial displacement of the plasticizing screw. A cost-efficient construction of the second electric motor and reduced stress of the linkage between this electric motor and the shaft is realized by providing at least one piston and cylinder unit in fluid communication with a pressure source for support of the second electric motor in injection direction, and a traverse acted upon by one end of the piston and cylinder unit and rotatably supporting the shaft of the plasticizing shaft. The traverse acts upon the shaft between a force introduction point of the second electric motor into the shaft, on one hand, and the plasticizing screw, on the other hand.

Abstract: In a die clamping apparatus wherein a movable platen is moved toward a stationary platen, and after a half nut is engaged with an engaging part of a tie bar, the tie bar is pulled by a die clamping cylinder for clamping, provision is made of a first engaging position adjusting mechanism for controlling a movement of the tie bar or the half nut to a half nut engaging position at the time of die thickness adjustment and a second engaging position adjusting mechanism which allows the tie bar or the half nut to move and which moves the tie bar or the half nut to the half nut engaging position at the time of molding.

Abstract: A support device for a movable die comprises a linear guide, a base, a movable platen, a driving mechanism which linearly moves the base, and a securing mechanism which secures the movable platen to the base. The base is guided by the linear guide and is linearly movable. A movable die is mounted to the movable platen, and the movable platen is mounted on the base. When the movable platen undergoes a deformation with a pressure of die clamping, the securing mechanism absorbs a displacement of the movable platen in a base movement direction or a vertical direction due to the deformation.

Abstract: The present invention is a methodology and apparatus for investment casting and injection molding of dentures. The apparatus utilizes a dental flask placed in a press held in position by a turn screw. An injector, comprised of a piston inserted into a dual open ended cylinder containing dental appliance materiel, is connected to the dental flask. A hydraulic jack presses the piston further into the cylinder to inject the dental appliance material into dental flask. To prevent contaminating contact of the dental appliance with the cylinder, the dental material is inserted first into an open ended bag that partially placed in a wire loop passing through the cylinder. As the wire loop is withdrawn from the cylinder, the open end bag is drawn into and properly oriented within the cylinder so that the open end of the bag meets the injection aperture of the dental flask.

Abstract: In a mold clamping mechanism of a molding machine, at least two pieces of movable platen guides are provided separate from tie bars, inserting the movable platen guides into the holes formed in a movable platen. A sliding part of each movable platen guide on which at least the movable platen slides is given in the form of a ball spline shaft. Also, ball spline nuts are provided in the holes formed in the movable platen.

Abstract: Jack-up bolts are provided at two places along the rear platen movement direction on both sides of a lower part of a rear platen of an injection molding machine. The jack-up bolt engages threadedly with a bolt hole formed in the rear platen, and a lower end face of the jack-up bolt abuts on the upper surface of a slide plate to support the rear platen. A fixing bolt is inserted in a through hole formed in the jack-up bolt, and is threadedly engaged with a tap hole provided in the slide plate, by which the rear platen and the slide plate are integrated. The rear platen moves while being supported by the slide plate. When the tilt of the rear platen is corrected, the fixing bolt is loosened and the jack-up bolt is turned, by which a distance between the rear platen and the slide plate is adjusted.

Abstract: A process and a production installation for producing shell-shaped, fiber-reinforced plastic parts are provided. The plastic parts can be produced efficiently, in an automated manner which is flexible with respect to the process and workpiece and is operationally reliable. A blank of the endless fiber mat corresponding to a workpiece is placed in an automated manner by industrial robots onto a clamping frame surrounding the female mold and is taken over by the clamping frame in a clamping manner and in such a way that it can slide after itself against a defined resistance. Wide-ranging accessibility required for this is created by a horizontally movable unit, comprising a female mold and a clamping frame, being temporarily moved completely out from the forming press and moved back again into the forming press after completion of loading.

Abstract: A clamping device for injection molding machine is proposed. The clamping device has a movable mold holder, a guiding unit, a screw rod unit, a transmission unit, a first clamping unit, and a second clamping unit. Power from the driving source is transmitted via the transmission unit to the screw rod unit, so as to drive the movable mold holder to move in reciprocating motion. When the mold is actuated to close, the first clamping unit engages to a gear wheel member of the screw rod unit. The gear wheel member and the first clamping unit are driven by the second clamping unit to move for generating a rotational torque, and to drive the screw rod unit for generating a clamping thrust.