Abstract: A multilayer-molding method includes the steps of mixing at least one thermoplastic resin selected from a plurality of types of thermoplastic resins with a bubble-nucleating agent and a foaming gas, injecting the plurality of types of thermoplastic resins into a mold cavity such that the thermoplastic resins are layered in the mold cavity, and then, after increasing the volume of the mold cavity, foaming the at least one thermoplastic resin mixed with the bubble-nucleating agent and the foaming gas. The multilayer-molding method is characterized in that the foaming gas is supplied at a pressure of 0.1 MPa or more but less than 1.0 MPa to at least one injection-molding machine selected from a plurality of injection-molding machines, and that the thermoplastic resin plasticized in the injection-molding machine is mixed with the foaming gas.

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

Abstract: A tool for use in bonding a composite multi-layer shell having complex curvature by the delta-alpha high temperature bonding process. The tool includes a plurality of segments that combine to form a mandrel assembly having a substantially continuous outer surface. The outer surface has a substantially axisymmetric shape including a complex curvature. When the segments are combined to form the mandrel assembly, at least one of the segments is configured to be movable in a substantially inward direction without substantial obstruction by any other segment. The segments are constructed of a first material have a first coefficient of thermal expansion that is greater than a second coefficient of thermal expansion of a second material of a composite multi-layer shell to be bonded together using the tool.

Abstract: A injection molding die includes a first molding unit, a second molding unit, at least one slide block, and a number of elastic elements disposed between the slide block and the first molding unit. The first molding unit includes a first molding surface and a sidewall surrounded the first molding surface. At least one gap is defined in an edge between the sidewall and the first molding surface. The gas hole is exposed at the gap for providing gas to the gap. The slide block is capable of moving toward or away from the sidewall, and includes a protrusion for engaging in the gap to cover the gas hole. The protrusion includes a protrusion surface coplanar with the first molding surface. The second molding unit includes a second mold surface defining a mold cavity cooperated with the first molding surface, the protrusion surface, and the at least one slide block.

Abstract: A mold releasing device for protecting an inclined pole is provided. The mold releasing device comprises a movable core having an inclined hole and disposed inside a movable mold. The inclined pole is cubic shape and has a positioning face at upper side, wherein the positioning face approaches the upper face of the inclined hole. Two sides of middle of the inclined pole contain a trough and a roller unit, wherein the roller unit practices rolling friction and is corresponded to the inclined hole and disposed inside the trough. The lower side of the inclined pole contains a fastening element connected to upper end of a vertical bar. The lower end of the vertical bar contains a flange disposed at a circular orifice of a fixing plate, wherein the fixing plate is fixed to a pushing plate by means of a bolt. Whereby, the pushing plate and the vertical bar may push forward the inclined pole with tilted manner inside the inclined hole and eject a plastic product with laterally release.

Abstract: Disclosed is a mold wherein one bottom surface member (2) and four lateral surface members (3) are assembled. The sides of each lateral surface member (3) are respectively provided with a projection (5) and a recess (6) for combining the lateral surface members together, and the projection (5) of one lateral surface member (3) is engaged with the recess (6) of the adjacent lateral surface member (3). By using the one bottom surface member (2) and four lateral surface members (3), a mold can be assembled or disassembled without using screw or bolts. Consequently, the assembly or disassembly work of the mold is dramatically simplified, thereby improving work efficiency significantly.

Abstract: A molding die includes a fixed die, a movable die movable toward and away from the fixed die, a first slide core slidable in sliding engagement with the fixed die, and a second slide core having a presser for pressing the first slide core when the second slide core is held in pressing contact with the first slide core. The fixed die, the movable die, the first slide core, and the second slide core jointly define a cavity for molding a product. The presser includes a reactive force plate for producing reactive forces against the pressure of a molten material introduced into the cavity.

Abstract: A casting machine for fabrication of precast concrete structural members, which includes side walls and end dams which are all movable from an open position to a closed position, and a bottom casting surface, where the bottom casting surface, side walls, and end dams serving to form a mold surrounding a cavity configured to contain wet concrete. Concrete is poured into the cavity when the self-releasing mold is in closed position. The side walls, and end dams are automatically movable to the open position when the concrete has solidified so that a precast concrete structural member is automatically released from the self-releasing mold. Also a precast modular system for automated concrete structural member fabrication, which includes a concrete mixing system, a concrete delivery subsystem, a block transport subsystem, and a plurality of casting machines, where each casting machine includes a self-releasing mold.

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

Abstract: The present invention relates to an apparatus and method for forming molded tapered products, such as masonry blocks, whereby high quality finished products are removed from their mold without the need for complex machinery for demolding. The mold may include one or more mold cavities having one or more movable cavity walls. The movable cavity walls may include an end liner having a planar product forming surface capable of moving from a vertical position to an angled position. Tapered products may be formed by moving the mold towards a pallet so that the pallet engages with the end liner and causes the end liner to move from the vertical position to the angled position. Moldable material may then be introduced into the mold cavity and may be allowed to remain in the mold cavity until it is self-sustaining. The mold may then be moved away from the pallet such that a molded product remains on the pallet, thereby allowing the end liner to move from the angled position to the vertical position.

Abstract: Disclosed is a mold with sliders employed for molding a plastic product having a first lateral bulge and a second lateral bulge in different directions. The mold comprises a fixed half, an angle pin, a moving half, a main slider and a tilted slider. The angle pin comprises an angle pin body with two opposite forcing surfaces. The main slider comprises a tilted slide track corresponding to the second lateral bulge. A pin slot is formed on the main slider. Two weighted surfaces are formed on the main slider at the opposite two sides of the pin slot. The angle pin body can slidably dip into the pin slot and the driving guide slot. By acting on the tilted slider and then on the main slider with the angle pin body, the mold can respectively complete the procedure of pulling out laterally bulges aslant and horizontally.

Abstract: A mold for making a product having a barbed structure at an intermediate position thereof has a stationary mold including a fixing board, a mold board, a core, an oblique block, a limiting element, and an elastic element. The mold board has a trough and a limiting chute. The core has a cavity and a slide chute. The oblique block having a hole communicating the cavity is movably disposed in the slide chute. An end of the block is extendable out of the cavity and an opposite end forms an accommodating hole. The limiting element includes a limiting end extending into the accommodating hole and a fixing end movably disposed in the limiting chute. The elastic element of which one end is against the accommodating hole and an opposite end is set against the trough is disposed in the accommodating hole.

Abstract: A mold assembly for molding concrete blocks including at least one mold cavity including a plurality of liner plates forming sides walls of the mold cavity, wherein at least one of the liner plates is moveable between an extended position and a retracted position relative to an interior of the mold cavity. The mold assembly further includes a linear actuator having an actuator axis, a first drive linkage coupled to the linear actuator, and a second drive linkage coupled to the first drive linkage and positioned off-axis of the actuator axis and in mechanical communication with the at least one moveable liner plate, wherein the linear actuator provides forces in opposite directions along the actuator axis to the first drive linkage to drive the second drive linkage toward and away from the interior of the mold cavity to direct movement of the at least one moveable liner plate between the extended and retracted positions.

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

Abstract: An apparatus for forming shaped bodies from a thermoplastic film has a stationary support, a downwardly directed upper tool fixed on the support, means for feeding the film in a transport direction in steps underneath the upper tool, a lower shaft pivotal in support below the traverse, a frame carried on the shaft and pivotal therewith about an axis of the shaft, an upwardly directed lower tool shiftable on the frame toward and away from the axis, a pair of arms extending radially from the shaft, a link extending between one of the arms and the lower tool, and a crank drive element. A connecting rod extends between the other of the arms and the crank drive element. A stationary cam adjacent the frame has a nonstraight cam formation, and a cam follower on the tool engages the cam formation. A drive rotates the crank drive element.

Abstract: Injection molded parts having bodies and lids connected by living hinges have the lids closed against the bodies during an opening sequence of mold plates. The lid closing mechanism is arranged in an intermediate plate disposed between a movable B plate and a fixed A plate. Movable and fixed cavities can meet within the intervening plate where a lid closer accomplishes lid closing as mold plates separate during mold opening. Accomplishing the lid closure during a mold opening sequence avoids any increase in the mold cycle time.

Abstract: An injection mold device includes: a stationary mold plate including a stationary mold body, a protrusion, and a sprue having a sprue open end; a movable mold plate formed with a first forming part; and a stripper plate including a stripper mold body, a recess, a second forming part, and a plurality of runners. When the stationary mold plate, the movable mold plate, and the stripper plate are assembled, the protrusion is received within the recess such that the sprue open end is in fluid communication with the runners, and the first forming part and the second forming part form a mold cavity.

Abstract: A split case die is used to press powder, wherein the die parts are moveable in a direction non-parallel to the direction of the pressing axis. The part produced by such a split case die has an external surface with parting line marks oriented in a direction non-perpendicular to the pressing axis.

Abstract: Disclosed herein is an ejector for an injection molding machine used to extract a molded product formed inside a die, the ejector including: a first ejector plate which is movably installed in a moving plate for fixing the die; a second ejector plate which is separably connected to the first ejector plate; and an ejector pin which is installed in at least one of the first and second ejector plates so as to push outward the molded product.

Abstract: A first and second inner dies are combined to form a molding cavity, in which a fluidic material is charged and hardened for molding a tubular member, which has a side surface at least partially defining a projected portion being higher at one end than the other end. The first inner die forms an inner space of the tubular member. The second inner die forms the projected portion. A first actuating unit draws the first inner die from the other end along a first moving path, which is substantially linear along an axis of the tubular member. A second actuating unit draws the second inner die from the other end along a second moving path, which bulges toward the inner space and passes through the inner space.

Abstract: An apparatus and method for the manufacture of a chocolate piece or tablet having a core or cavity passing through the thickness of the piece or tablet which comprises a mould (10) comprising a surrounding wall (11) and base (12), a central aperture having a predetermined cross-sectional shape passing through the base, and a former (14) having a cross-sectional shape conforming to that of the central aperture adapted to reciprocate through the central aperture between a retracted position where its upper surface is level with the base (12) of the mould to an advanced position where its upper surface lies at any level from above the base of the mould to the top of the mould.

Abstract: An injection molding tool having a first section moveable with respect to a second section. In a first position, the first section contacts the second section along a parting line and forms a cavity. An expandable cavity part is moveably mounted with respect to the second section. In a closed condition, the expandable cavity part is in a retracted or molding position. The expandable cavity part can be moved away from the molding position or the closed condition to a release position or an expanded condition with allows access to molded part or other article. A core pin is either moveably mounted with respect to the expandable cavity part or is in a fixed position with respect to the expandable cavity part.

Abstract: A die for use with a uni-axial press including top and bottom rams, at least one of the top and bottom rams being movable along a pressing axis. The die includes at least two separable die parts mutually engageable along adjacent parting surfaces extending in a direction non-perpendicular to the pressing axis and a removable core rod. The die parts are movable between separated and engaged positions in a direction non-parallel to the pressing axis. The die includes a first passageway extending therethrough between the periphery of the die and the die chamber. The first removable core rod is configured to be inserted into the die chamber through the first passageway.

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

Abstract: A system includes one or more compacting wall retraction mechanisms for retracting one or more compacting walls of a compactable lightweight concrete block mold having at least two compacting walls. The compacting wall retraction mechanism(s) facilitate release of a compacted lightweight concrete block from the compactable lightweight concrete block mold. The system can include a mold feed conveyor, and a table for receiving the compactable lightweight concrete block mold from the mold feed conveyor. The system can include one or more tube extraction and re-insertion mechanisms for extracting or inserting tubes of a compactable mold. The system can include one or more end wall lock release mechanisms for releasing end walls to remove a molded block from the mold. Mold assembly and disassembly can be controlled by an electronic or computerized controller.

Abstract: A compactable mold comprises a main mold frame structure and plural wall structures including two end wall structures and two side wall structures. The plural wall structures define a mold cavity for forming a block from a mixture introduced into the mold cavity. At least two of the plural wall structures are movable wall structures for compacting the mixture. A described compactable mold has end walls and side walls that are shaped for forming tongue and groove features on a compacted block, and the end walls and side walls are movable such that a formed block can be released easily from the mold. A described compactable mold comprises at least one tube attached to at least one of the compacting wall structures. The compacting wall structures are operable to compact the mixture by moving toward the center of the mold cavity while the at least one tube remains stationary.

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

Abstract: A protective element for a breakwater or wave-retarding construction comprises a body that has at least two opposing projections. The projections are on either side of a flat base and extend transversely thereto. The periphery of the base is non-circular, so that rolling of the protective element under the influence of the beating of the waves is resisted.

Abstract: A press-molding machine is taught that may include an extrusion apparatus (10), a transfer apparatus (30), and a molding apparatus (40). The extrusion apparatus (10) may extrude a melted resin into a sheet shape. The transfer apparatus (30) may receive and transfer a sheet material that is extruded from the extrusion apparatus and cut in a predetermined length. The molding apparatus (40) may press and mold the sheet material transferred from the transfer apparatus. The extrusion apparatus (10), the transfer apparatus (30), and the molding apparatus (40), are allowed to be independently arranged and constructed.

Abstract: A die for forming a lost wax ceramic core allows the formation of non-parallel separating spaces between adjacent portions of the core. The core will eventually form cooling channels in an airfoil. The die for forming the core includes a plurality of moving parts having rib extensions. At least some rib extensions are non-parallel to form the non-parallel spaces. The die includes two main die halves that come together to form several of the spaces. Inserts move with those die components and come together to form other spaces. At least one of the inserts contacts surfaces on one of the die halves, such that the non-parallel spaces are formed.

Abstract: A mold apparatus includes a female mold combined with a male mold. The female mold and male mold respectively include at least one female mold unit and one male mold unit, at least a pair of screw tooth blocks, a first fastener, and a second fastener. The female mold unit and the male mold unit respectively include a space with an opening and a through hole connecting with the space. The screw tooth block is mounted in the space. The screw tooth block includes an inserted concavity in a pair of opposite surfaces respectively and a through hole in the other opposite surfaces, the inserted concavity comprising an inner screw. The fastener, through the through hole of the mold unit and the through hole of the screw tooth block, fastens the screw tooth block in the space of the mold unit.

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

Abstract: A threaded core includes a first half core and a second half core. The first half core includes a core body and a movable core portion. The core body has a body surface and an end face adjacent to the body surface. An outside threaded portion is defined in the end face. The core body defines a recess on the body surface. The recess communicates with the groove. The movable core portion is movably mounted in the recess. The movable core portion has a front end face. An inside threaded portion is defined in the front end face and configured for forming part of the screw thread cooperatively with the first outside threaded portion. The second half core has an identical structure with the first half core. The inside and outside threaded portions of the first and second cores cooperatively define a screw hole.

Abstract: A molding apparatus is configured by a first, a second sliding die, a first, a second fixed die, and a sliding film forming chamber. The first, the second sliding dies are moved in directions reverse to each other to take a primary molding position, a film forming position and a secondary molding position. The sliding film forming chamber includes a first, a second masking plate and are arranged to be remote from the first, the second fixed dies. Further, the sliding film forming chamber is slid in an up and down direction. The first, the second sliding dies are respectively formed with recess portions and cores, the first, the second fixed dies are respectively formed with cores and recess portions.

Abstract: Method and apparatus for demolding (1) of molded material (2) out of a mold (3), in particular for demolding lipstick leads, wherein, said apparatus for demolding (1) comprises means with which the molded material (2) can be selectively demolded with one of at least two different techniques.

Abstract: The invention relates to a method for manufacturing at least partly plastic vehicle parts in a mold with at least one mold cavity, comprising the steps of: at least partly closing the mold, wherein the at least one mold cavity is brought in a first position by means of at least one movable wall part of the at least one mold cavity; introducing plastic into the at least one mold cavity; upon complete closure of the mold and/or movement of the at least one movable wall part, bringing the at least one mold cavity in a second position, the at least one mold cavity in the second position having a different volume than in the first position; all this in such a manner that by bringing the at least one mold cavity from the first into the second position, the plastic fills the respective mold cavity completely.

Abstract: A molding method involves a first and a second sliding die, a first and a second fixed die, and a sliding film forming chamber. The first, the second sliding dies are moved in directions reverse to each other to take a primary molding position, a film forming position and a secondary molding position. The sliding film forming chamber includes a first, a second masking plate and are arranged to be remote from the first, the second fixed dies. Further, the sliding film forming chamber is slid in an up and down direction. The first, the second sliding dies are respectively formed with recess portions and cores, the first, the second fixed dies are respectively formed with cores and recess portions.

Abstract: A concrete building panel has a slab and a plurality of ribs and beams. A series of horizontal holes in the end ribs are spaced at a selected constant spacing such that adjacent panels may be fastened together through them. In one type of panel, the slab is separated from the ribs to provide an air gap. Connections between holes in two adjacent concrete wall panels are made by a hollow conduit having an abutment at either end to engage the concrete wall panels. Other connections between adjacent panels involve a stitch with legs which extend through holes in the beams. Other connections involve a space made by vertical channels of horizontally adjacent panels. A plate fitted into the space aligns the adjacent panels and may extend upwards to align upper panels. Load bearing horizontal holes through the ribs are reinforced with reinforcing bar in the concrete arranged in generally triangular shapes. The concrete panels are formed vertically in a gang form.

Abstract: A transfer molding box and a method to produce a plurality of brushes with an applicator is provided. The transfer molding box includes a pressing plate 30, an upper molding box 10 where at least a brush molding groove is formed and a lower molding box 20 where at least another brush molding groove corresponding to the brush molding groove of the upper molding box is formed and placed under the upper molding box 10. A wick 1 is settled in horizontal direction between the brush molding groove of the upper molding box and the brush molding groove of the lower molding box. Further material inserting portion 11 and a projected pressing portion 31 which has corresponding shape to the material inserting portion 11 are provided at the top of the upper molding box 10 and at the top of the lower molding box 20, respectively.

Abstract: An apparatus for molding an article. The apparatus includes a mold and a mold plate slidable between a first position and a second position within the mold. In the first position the mold plate creates an undercut feature in a molded article in the second position the molded article with the undercut feature may be easily removed from the mold without damaging the mold or the article.

Abstract: The present invention relates to plastic injection molding tool, having a front and a rear tool half which, in the closed state, delimit a hollow molding chamber between them. The rear tool half has at least one ejector and at least one oblique slide. The ejector is constituted by at least one front part, designed as a driver, of the rear tool half. It can be displaced to a limited extent by a linear drive mechanism, which is supported on another portion of this tool half or on the base thereof. It is furthermore connected on its rear via a transverse guide element, extending at a defined angle in regard to the movement direction of the linear drive mechanism, with the oblique slide, which is guided by an oblique guide element on a part of the rear tool half which is fastened on the base.

Abstract: According to embodiments of the present invention, there is provided a split mold insert for a molding system. A first split mold insert complementary to a second split mold insert, the first and second split mold inserts configured, in use, to form a neck region of a preform capable of being blow-molded. The first split mold insert comprises a top portion and a bottom portion; the top portion for abutting, in use, a cavity plate assembly and the bottom portion being at an opposite extreme relative to the top portion; a back portion and a face portion opposite each other, extending between the top and bottom portions, the face portion defining a molding surface defining portion for forming, in use, at least a portion of the neck region of the preform; the back portion comprising a connecting interface for connecting, in use, to a slide bar.

Abstract: The invention relates to a device and a method for producing objects, for example lipsticks, that are molded from paste-like materials, while using an elastic mold part (28), into which the paste-like material is introduced by means of a filling device, is hardened, and from which the at least largely hardened object is removed by a removing device while said mold part is elastically stretched. It is provided a dimensionally stable housing element (12) for housing said mold part, wherein said housing element is held inside a stationary or moveable support of said device, wherein said mold part (28) is placed in a housing space of said housing element at least during the filling and removal process, and wherein said housing space can be enlarged for removing the object and/or a thin fluid layer is placed between said mold part and said housing element, which is removable from said housing element for the removal process.

Abstract: A carrier mold having prongs that produces shaped tampons is provided. When subjected to pressure the prongs of the carrier mold flex to completely or substantially close one end of the carrier mold. A method of forming a shaped tampon using the carrier mold is also provided.

Abstract: Provided is a food molding apparatus which performs all steps from forming to conveyance and storage in one housing and which is small in size and inexpensive. A conveyance section 500 which holds a formed cooked rice product (a rice ball 10) by use of holding arms 510 is provided, within a housing, with an X-axis moving unit 570 which moves the formed cooked rice product in an X-axis direction and a Z-axis moving unit 550 which moves the formed cooked rice product in a Z-axis direction. A storage section 600 provided with a tray 610 on which the rice ball 10 is to be placed is further provided, within the housing, a Y-axis moving unit 630 which moves the tray 610 in a Y-axis direction, whereby the rice balls 10 are spread over on the tray 610.

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

Abstract: An apparatus comprises a forming arrangement closable in a direction to form an object, said forming arrangement comprising at least two reciprocal movable elements along respective arched trajectories to disengage from said object, said arched trajectories having respective components parallel to said direction.

Abstract: A resin-sealing mold for sealing a semiconductor element with resin includes an upper die (12), a lower die (14) disposed so as to be opposed to the upper die (12), and a plurality of middle dies (13a, 13b) sandwiched between the upper die (12) and the lower die (14), wherein the plurality of middle dies (13a, 13b) are provided with molding faces at tip ends and are placed so that the molding faces are opposed to each other during the sealing. Because of this, the middle dies (13a, 13b) can be opened to the right and left from dividing faces I, and even a resin package of a semiconductor device with a concave part formed in a side surface can be molded.

Abstract: A method for manufacturing products using a mold having at least one mold cavity which is at least partly defined by at least two movable wall parts, wherein the mold is closed and the at least two movable wall parts (35A, 35B) are brought to a retracted position relative to the mold cavity, so that the volume of the mold cavity is enlarged relative to the volume required for a product to be formed, wherein at least partly molten material is introduced into the mold cavity and then in a first step a first one (35A) of the at least two movable wall parts is set into motion in the direction of a forwardly moved position and in a second step a second one (35B) of the at least two movable wall parts is set into motion in the direction of a forwardly moved position, wherein the movable wall parts are moved into said forwardly moved position for the formation of the product.

Abstract: A method of making a cup that decreases the amount of flash on a bottom surface of the cup is provided. More specifically, a cup is provided that includes a thickened lip around an open surface. The lip also includes a recess for the receipt of excess material generated by the molding process. This excess material, or flashing, is detrimental to the use of cups in cup stacking competitions.