Abstract: The disclosure relates to an injection nozzle (1) suitable for injection molding of thermoplastic materials, in particular polyolefin materials, the injection nozzle (1) comprising a housing (2) comprising a sleeve-shaped rear section (3) and a thereto coaxially arranged sleeve-shaped front section (4) surrounding a central passage (5) extending in an axial direction (z) forming part of a melt channel (6). In the central passage (5) a needle (7) is arranged movable in the axial direction (z) between a retracted open position and an extended closed position in which a gate (8) at a tip (9) of the front section (4) is closed by a front end (10) of the needle (7) in a sealing manner. A spacer (11) is arranged between the rear section (3) and the front section (4) defining a total length of the housing (2) in the axial direction (z).

Abstract: The disclosure is directed to an injection mold (1) comprising a mold insertframe (2) having several openings (3) extending in an axial direction (z). Each opening (3) accommodates a mold insert (4) encompassing a cavity (5), suitable to receive during operation melted plastic to form a plastic part. The several openings (3) with the mold inserts (4) are distributed around a center opening (6) of the mold insert frame (2). A nozzle head (7) is arranged in the center opening (6) of the mold insert frame (2). It comprises a primary melt channel (8), extending in the axial direction (z), and per cavity (5) a secondary melt channel (9) each interconnected at a dorsal end to the primary melt channel (8) and at a distal end to a cavity (5) by a nozzle tip (10) attached to the nozzle head (7). Each mold insert (4) comprises a first cooling channel (11) surrounding the cavity (5) and being in fluid communication with a first cooling circuit (12) across the mold insert frame (2).

Abstract: An injection mold includes an actuator assembly, which further includes an actuator plate for moving at least one valve pin during production in an axial direction and a valve pin coupling device. The valve pin coupling device allows a manually controllable coupling and decoupling of the actuator plate and the valve pin.

Abstract: The disclosure is related to an injection mold suitable to be arranged in and during operation interconnected to an injection molding machine for injection molding of plastic parts. The injection mold typically includes at least one sensor and a tamper evident safeguarding assembly for safeguarding of the injection mold. Safeguarding assembly usually includes an electronic circuit interconnected to the at least one sensor and configured to detect at least one critical injection mold condition based on at least one predetermined condition, and a disrupting device interconnected to the electronic circuit and configured to at least temporarily disrupt directly and/or indirectly the operation of the injection mold.

Abstract: An injection molding device and related method includes a mold plate with at least one pocket having at least one discharge opening to discharge melted plastic from the pocket into at least one mold cavity interconnected to the pocket and a nozzle including a housing, which during operation is interconnected to the pocket. Per discharge opening a needle is arranged displaceable in an axial direction in the housing between a closed position and an open position. In the closed position the needle closes the thereto related discharge opening and is thereby preventing melted plastic from flowing from the pocket into the at least one mold cavity. In the open position, the needle releases the discharge opening such that melted plastic flows from the pocket into the at least one mold cavity. Furthermore, a melt channel is discharging into the pocket to supply melted plastic into the pocket.

Abstract: An injection molding device and related method includes a mold plate with at least one pocket having at least one discharge opening to discharge melted plastic from the pocket into at least one mold cavity interconnected to the pocket and a nozzle including a housing, which during operation is interconnected to the pocket. Per discharge opening a needle is arranged displaceable in an axial direction in the housing between a closed position and an open position. In the closed position the needle closes the thereto related discharge opening and is thereby preventing melted plastic from flowing from the pocket into the at least one mold cavity. In the open position, the needle releases the discharge opening such that melted plastic flows from the pocket into the at least one mold cavity. Furthermore, a melt channel is discharging into the pocket to supply melted plastic into the pocket.

Abstract: An injection mold (1) for the manufacturing of at least one tubular plastic part comprising a first mold half (2) comprising a first mold plate (3) and a second mold half (4) comprising a second mold plate (5) being arranged displaceable with respect to each other in an axial direction (Z) between an open position and a closed position. The injection mold further comprises at least one core (6) protruding from the first mold plate (3) and the second mold plate (4) comprising at least one cavity (7) suitable to receive the core (6) of the first mold half (2) to form a molding cavity (8) in the closed position of the injection mold (1) for receiving molten plastic material therein to form the tubular plastic part.

Abstract: An actuating device for adjusting at least one valve needle of an injection molding apparatus with a hot runner manifold that has disposed thereon at least one hot runner nozzle with at least one valve needle extending there-through which may control the melt flow through the hot runner nozzle. The actuating device has a support plate that is connected to the at least one valve needle and movable in a first direction relative to the hot runner manifold. The actuating device further includes a reciprocating device for moving the support plate in the first direction relative to the hot runner manifold, wherein the reciprocating device includes a slider mechanism and an actuation drive that is connected to a trigger device for generating a linear motion, wherein the slider mechanism has at least one thrust rod that is disposed in a second direction at an angle relative to the first direction.

Abstract: The present disclosure is directed to an injection nozzle with a nozzle head including at least one discharge opening for injecting molding material into a mold cavity of a thereto interconnected injection mold and forming therein a molded body. At least one positively controlled closure element movably supported in the nozzle head for closing a communication opening in the connected injection mold. An actuator cylinder comprises a first piston which is interconnected to the closure element. The first piston is arranged movable between a first position, in which the closure element is fully closed, and a second position in which the closure element is fully open. A second piston is interconnected to the closure element, and is arranged movable between a third position in which the second piston is not interconnected to the closure element and a fourth position in which the closure element is limited in an intermediate position.

Abstract: An injection nozzle for an injection molding device comprising a nozzle head, an actuator, a drive train connected to the actuator, and at least one closure element. The drive train configured for moving the at least one closure element arranged in the nozzle head in a first direction. The drive train comprising a cam mechanism that comprises a cam head. The cam head comprising a cam head block. Per closure element, the cam head block comprising a bracket. The bracket comprising at least one inlay. Per closure element, the at least one inlay comprising a first drive surface configured for engaging and driving a second drive surface arranged at the closure element at least during closing of the closure element. Per closure element, the cam head block comprising a third drive surface configured f engaging and driving a fourth drive surface arranged at the closure element at least during opening of the closure element.

Abstract: The present disclosure is directed to an injection nozzle for an injection molding device comprising a drive train for at least one closure element arranged movable in a nozzle head in a first direction. The drive train comprises a cam mechanism with a cam head comprising a wedge and at least one side plate. The wedge and the side plate are together arranged moveable in a second direction. Per closure element the wedge comprises at least one first drive surface which interacts with a second drive surface arranged at the closure element at least during closing of the closure element. The at least one side plate comprises a third drive surface which interacts with a fourth drive surface arranged at the closure element at least during opening of the closure element.

Abstract: An injection molding device and related method includes a mold plate with at least one pocket having at least one discharge opening to discharge melted plastic from the pocket into at least one mold cavity interconnected to the pocket and a nozzle including a housing, which during operation is interconnected to the pocket. Per discharge opening a needle is arranged displaceable in an axial direction in the housing between a closed position and an open position. In the closed position the needle closes the thereto related discharge opening and is thereby preventing melted plastic from flowing from the pocket into the at least one mold cavity. In the open position, the needle releases the discharge opening such that melted plastic flows from the pocket into the at least one mold cavity. Furthermore, a melt channel is discharging into the pocket to supply melted plastic into the pocket.

Abstract: The invention is directed to an injection nozzle (1) for an injection molding device comprising. At least one closure element (4) is arranged movable in a nozzle head (2) in a first direction (a). A cam mechanism (5) comprises a cam head (6) with a cam head block (7). Per closure element (4) the cam head block (7) comprises a bracket (8). The bracket (8) comprises at least one inlay (9). Per closure element (4) the at least one inlay (9) comprises a first drive surface (10) which interacts with a second drive surface (11) arranged at the closure element (4) at least during closing of the closure element (4). The cam head block (7) per closure element (4) comprises a third drive surface (12) which interacts with a fourth drive surface (13) arranged at the closure element (4) at least during opening of the closure element (4).

Abstract: An injection molding apparatus may include a first mold plate and a second mold plate. The second mold plate may be movable outside an injection molding station defined by these mold plates. The second mold plate may carry parts of type A? and parts of type B? molded at the same time within the injection molding station. A transferring mechanism may carry the second mold plate to removing and assembling stations where molded parts A? are first removed from the second mold plate and next parts A? are positioned relative molded parts B?, where the molded parts B? and A? are finally assembled. Simultaneously other parts A? and B? may be molded at the injection molding station using an additional and identical second mold plate. Depending on the application, molded parts A? and B? may be made of the same or different materials.

Abstract: Actuator for a hot runner injection molding apparatus, comprising at least one nozzle for side gating with at least one valve gate comprising a valve pin for closing a communication opening in a mold cavity, a valve pin actuating means coupled with the at least one valve pin, which is moveable back and forth along a first axis (A), whereby the at least one valve pin is moveable along a second axis (B), which is arranged at an angle (?) to the first axis (A), and an actuator for driving the valve pin actuating means. The available speed of moving the valve pins and the possibility of multiple locations of positioning the valve pins relative to the mold gates ensures a a reduction of the injection pressure in the mold cavity and thus a reduction of mold core shifting, the possibility to fill at the same time mold cavities of different sizes and allows for defect free molded parts.

Abstract: An injection molding apparatus is used for making parts having a hollow portion that is disposed under an angle relative to an axis. The molded parts are ejected when a movable stripper plate is displaced relative to the mold core used to cool the angled portion of the molded part. The stripper plate includes cooling channels and a cooling outlet. The cooling outlet is coupled to a cooling inlet of a movable cooling slider element. Leakage of a cooling fluid is prevented by using a sealing device and sealing elements between the cooling slider and a cooling manifold retaining the mold cores when the stripper plate is used during the ejection of the molded parts from the mold cores.

Abstract: An injection molding apparatus and an method for the manufacture of moldable articles having an injection manifold, a plurality of hot runner nozzles, a first nozzle heater, a plurality of mold cavities positioned to receive molten material from the plurality of the hot runner nozzles, each mold cavity having at least one mold gate orifice and a mold cavity heater surrounding each mold cavity at least partially and a thermocouple associated with the mold cavity to measure directly or indirectly a temperature generated by the mold cavity heater.

Abstract: A nozzle heater assembly coupled to a hot runner nozzle includes a heater support made of at least two support segments spaced apart by a gap. A heater element secured to both support segments is configured to limit the gap between the two segments. The nozzle heater assembly to be coupled to a hot runner may also include in other applications a heater support formed of a single piece and configured as a hollow helical tube including at least two axial gaps. A heater element is secured to the helical tube, where the helical tube can be compressed or stretched axially to alter a clamping force generated when the helical tube and the heater are coupled to the hot runner nozzle.

Abstract: A heater and thermocouple assembly for use with a hot runner nozzle with an elongated heater body, said heater body having at least one first heating section, which in operation is positioned adjacent to the front end portion of the hot runner nozzle, and at least one second heating section which in operation is positioned adjacent to a nozzle head of the hot runner nozzle and has an at least partly annular distance section with a wall which is arranged between the first and second heating sections.

Abstract: Injection molding machine comprising at least one first and one second injection unit having a chamber for injecting a plasticized molding material and a piston for advancing a predetermined amount of plasticized molding material along a first axis from the chamber into a cavity of a mold, the machine including a form tool comprised of at least a first tool portion and a second tool portion, a tool cavity being at least partially disposed in the first tool portion.