Abstract: An injection molding machine including an ejector unit configured to eject a molding product from a mold, wherein the ejector unit includes a slide base freely movable relative to a toggle support disposed at a platen supporting the mold, a toggle mechanism configured to connect the toggle support and the slide base, disposed between the toggle support and the slide base, a driving source configured to operate the toggle mechanism in such a way that a distance between the toggle support and the slide base is changed, and an ejection member movable in conjunction with the slide base.

Abstract: An injection molding machine includes an electric ejector configured to eject a molding product from a mold, and an assist actuator configured to assist ejection of the molding product by the electric ejector.

Abstract: Systems and methods for manufacturing that are scaleable and de-scaleable based upon the production requirements of the customer's manufacturing facility. Systems and methods for mobile and/or modular manufacturing positioned at or near a customer's production facility that are scaleable and de-scaleable based upon the production requirements of the customer's manufacturing facility. The systems and methods of manufacturing may include identifying a customer's production requirements at the customer's production facility, designing a manufacturing cell based upon the identified production requirements, delivering components for the manufacturing cell to a location at or near the customer's production facility, assembling the components to form the manufacturing cell at the location, and training operational personnel to operate the manufacturing cell. The systems and methods may comprise using a modular preform mold system.

Abstract: A molded article transfer device (150, 250) is described herein that is associated, in use, with an injection mold (100, 200). The molded article transfer device (150, 250) includes a transfer structure (151, 251) that defines, amongst other things, a first aperture (154A) that is structured to receive a first molded article (102A) from a first mold stack (106A, 206A) of the injection mold (100). The transfer structure (151, 251) also defines a first branch channel (156A) and a first trunk channel (158A) through which the first molded article (102A) is passable. The first branch channel (156A) connects the first aperture (154A) with the first trunk channel (158A) for passing, in use, the first molded article (102A) thereto, whereafter it passes through the first trunk channel (158A) towards an exit (164A) thereof.

Abstract: An injection mold for molding a product having at least one bar formed at one side thereof. The injection mold includes a stationary mold including an inclined pillar and a movable mold including a movable core and a sliding block mounted on a top thereof. The inclined pillar inserted in the sliding block to drive the sliding block to slide towards or away from the movable core. A shaping cavity for molding the product is formed among the movable core, the sliding block and the stationary mold. The end surface of the sliding block further defines at least one shaping groove connected with the shaping cavity for molding the bar. The movable mold further includes an ejector pin and a maintaining pillar. The maintaining pillar resists against a bottom of the sliding block to avoid the ejector pin moving upward before the bar completely parted from the shaping groove.

Abstract: An injection mold (1) may include: an outer block (100) that is mounted and fixed to an injection molding machine and divided into an upper mold (110) and a lower mold (120), an inner block (200) composed of an upper block (230) and a lower block (220) that are replaceably mounted on the upper mold (110) and the lower mold (120), respectively; a metal core (300) mounted in the inner block (200) and has a cavity (310) for forming a molded product (10) with a molded portion having a size of tens to hundreds of micrometers; an ejector (400) coupled to the inner block (200) and removes the molded product (10) in the cavity (310) by moving straight; a driving unit (500) disposed inside the lower mold (120) is moved up/down by hydraulic pressure or pneumatic pressure supplied from the outside, and drives the ejector (400).

Abstract: An injection blow molding (IBM) system and method for forming a plurality of parisons and molded articles. The IBM system includes an injection station having two die sets and a plurality of first and second body mold halves each attached to a respective die set. Each of the first body mold halves has a corresponding second body mold half with which it cooperatively defines a cavity for forming the exterior shape of the body of one of the parisons. The individual, independent attachment of the body mold halves to the die sets allows easy individual replacement of faulty or worn molds. Further, such an attachment configuration also permits the body mold halves connected to a common die set to be spaced from one another, so as to reduce thermal expansion problems and ease dimensional tolerances required for the width of the body mold halves.

Abstract: A plastic injection mold which allows extracting the air from inside it during the injection process, and an extraction method, where the mold includes closing means, one or more injection cavities provided with at least one injection nozzle for introducing the hot material in a liquid state and at least one ejector device formed by a housing for an ejector pin responsible for extracting the part already molded, where an air duct connected to a vacuum pump or a suction device intercepts the housings of the ejector pins causing a suction of the air from inside the mold.

Abstract: A demolding mechanism for demolding a molded article with internal thread is provided. The demolding mechanism includes an outer sleeve and a core. The sleeve includes a number of spring legs and a body. Each spring leg has an external thread. The core includes an end portion and a cylindrical shank. The end portion includes a central portion and a number of evenly spaced ribs. The diameter of the core is smaller than that of the sleeve. The sleeve is slidable along the core. When the spring legs move away and disengage from the ribs, the spring legs are configured to deflect inwardly, thereby enabling the external thread thereof to disengage from the inner thread of the molded article.

Abstract: An injection mold for molding a product which has an inclined groove and a straight gap at a side thereof includes a female mold and a male mold. The female mold includes a female core and an inclined pillar mounted in the female mold. The male mold includes a male core, a first sliding block and a second sliding block. The first sliding block is slidably mounted on the male mold, and has an inclined guiding surface. The second sliding block is slidably mounted on the inclined guiding surface. When the injection mold is opened, the second sliding block is smoothly parted from the product along the inclined guiding surface to form the inclined groove, and then, the first sliding block is parted from the product to form the straight gap under the action of the inclined pillar.

Abstract: A device removes molded parts from a mold cavity of a mold half of an injection molding machine. The device contains an ejection mechanism used to remove the molded parts from the mold cavity in an ejection direction. A receiving element is arranged in relation to the mold cavity in the ejection direction, the receiving element contains a receiving opening to which low pressure is applied. The receiving opening is connected to a supply opening of a chamber by a first line. The chamber contains a suction opening on a vertically arranged lateral wall, to which low pressure is applied.

Abstract: An injection molding machine for producing injection molded parts has an injecting station in which melt can be introduced into a cavity of a tool part. The cavity corresponds to the injection molded part. The injection molding machine has further stations in which the injection molded parts can be treated. The injection molded parts can be transported from one station to another station by way a transporting device. The transporting device has at least one transporting path that connects two stations. The injection molded parts are movable from one station to another station on the transporting path.

Abstract: The structure of slide-block module includes a plurality of slide-block modules composing several reinforced areas, the slide-block modules are contained in a plastic pallet shaping mold, the plastic pallet is provided in a connecting zone between a central area of a bearing surface and a plurality of supporting columns at surrounding sides on the plastic pallet with the plurality of reinforced areas having ribs arranged transversely or longitudinally; each slide-block module includes a fixed block fixed on a shaping mold and having at least a lateral side beveled, and having a slide block, by obliquely sliding moving of the slide block on the fixed block, the slide block can be released along the lateral side of the fixed block from the mold smoothly after injection molding.

Abstract: An injection mold for molding a product having a hook portion includes a stationary mold, a return pin, a movable mold, an ejector mechanism and a plurality of ejector pins for ejecting the product out of the injection mold. The movable mold defines an inserting perforation, a receiving groove and a receiving gap. The ejector mechanism includes a slide block located in the receiving groove, a supporting bar stretching into the receiving groove, and an inclined ejector pin having a tail at a top thereof movably inserted in the inserting perforation and fastened on the slide block. The slide block is pressed downward by the return pin when the injection mold is closed. When the injection mold is opened, the slide block drives the inclined ejector pin to move upward and sideward under an upward push of the supporting bar to make the hook portion parted from the tail.

Abstract: Described herein is a mold. The mold includes a first mold half and a second mold half. A molding cavity is definable between the first mold half and the second mold half within which a molded article is moldable. The mold also includes a core configured to form a seal on the molded article. The first mold half and the second mold half are configured to remain in a mold closed configuration with molding and stripping of the molded article.

Abstract: The invention relates to a slide mechanism comprising an ejector shaft (2) with a first end portion (2c) attached to a mobile ejector plate (3), a second conical end portion (2a) which ends in a protrusion (2b) coupled to a cam (6), the protrusion (2b) acting as a rotation shaft on which the cam (6) can oscillate; a wedge-shaped slide (5) with a molding portion (5d), an inclined segment (5a) between a push surface (5b) which is in contact with the part to be obtained (10) and a base segment (5c) and a sliding passage (14) which extends through the slide (5) in which at least one portion of the cam (6) slides in parallel with the negative (11a); a fixed sliding support (4) with an axial passage (4a) through which the ejector shaft (2) axially slides, and a slope (4c) on which the inclined segment (5a) of the slide (5) shifts, with a complementary inclination to that of the inclined segment (5a) of the slide.

Abstract: A metal mold for molding a lens cover can be provided without increasing the size of the metal mold or the production costs so as to prevent deterioration of production efficiency while also preventing any unfilled area or a thin thickness portion of a resin material from being formed in a final product. Also provided is a method for producing a lens cover utilizing such a metal mold. The metal mold can have a stationary mold, a movable mold and a slidable mold between them. A cavity for molding a lens sealing portion can be formed between the stationary mold and the movable mold, and the slidable mold can have a projection portion projecting into the cavity.

Abstract: A rotary molding system for molding food products, mold cavities formed when a mold shell rotates mold shapes disposed along the mold shell into a fill position between a fill plate and a wear plate. Molded food products are removed from mold cavities using knock-out cups, the use of air pressure, or the use of a vacuum source disposed below the mold cavity, without the need to slow the rotation of the mold shell. Knock-out cups may be used with a heating system to reduce accumulation of unwanted materials on the knock-out cups. The rotary molding system can also be used to form products with contoured surfaces. A smart tagging system can be used to ensure that compatible sets of mold shells and knock out cups are being used. A vacuum region may be disposed upstream of the fill position to remove air within the mold cavity prior to filling.

Abstract: An injection-compression molding apparatus for producing a shaped plastic part has a first mold plate and a second mold plate, which delimit a component cavity and between which there is a gap in the non-closed state. The apparatus further comprises a plastics compound feeding arrangement for introducing plastics material through the gap into the component cavity, having a gate cavity which is substantially separated from the component cavity when the gap is closed.

Abstract: An injection mold for molding an electronic product which has a terminal includes a movable mold, a first sliding block levelly defining a through-hole, a second sliding block, a supporting pole and a stationary mold. A top of the movable mold defines an opening of which a bottom defines a fastening hole for fastening a bottom of the terminal therein. An inner sidewall of the second sliding block defines a groove for restraining a top of the terminal. The first and second sliding blocks are located at two opposite sides of the opening to together define a cavity for molding the electronic product. The supporting pole is movably inserted in the through-hole and stretches into the cavity to resist against the top of the terminal. The stationary mold is positioned on the first and second sliding blocks, and defines a sprue channel connected with the cavity.

Abstract: An injection mold including a first mold, a second mold disposed opposite to the first mold and configured to form a cavity having a shape that corresponds to an injection-molded product to be manufactured by being coupled to the first mold, an injection apparatus configured to inject molten resin in the cavity, and an adsorption apparatus configured to adsorb and separate the injection-molded product, which is manufactured by the first mold and the second mold, from the first mold, so that the separation of the injection-molded product is performed by the adsorption apparatus, and thus structures configured to separate the injection-molded product are omitted from the first mold and the second mold, thereby simplifying the structures of the first mold and the second mold.

Abstract: A package closure (10) comprising a neck (18) provided with an opening, and a cap (19) for closing the opening, wherein the neck (18) comprises a connecting portion (20) for connection to a package (32), and a sealing portion (21) projecting radially inwards from the connecting portion (20) to interact with the cap (19) to form a seal between them. Before opening thereof the cap (19) is connected to the sealing portion (21) through a notch (23), wherein the cap (19) is removable from at least a part of the sealing portion (21) by tearing along the notch (23). The cap (19) is provided with a sealing part (24) projecting from an interior side of the cap (19) to interact with the sealing portion (21) of the neck (18), so that the package closure (10) is resealable. The invention also relates to a device and a method for producing a package closure.

Abstract: A molded article transfer device (150, 250) is described herein that is associated, in use, with an injection mold (100, 200). The molded article transfer device (150, 250) includes a transfer structure (151, 251) that defines, amongst other things, a first aperture (154A) that is structured to receive a first molded article (102A) from a first mold stack (106A, 206A) of the injection mold (100). The transfer structure (151, 251) also defines a first branch channel (156A) and a first trunk channel (158A) through which the first molded article (102A) is passable. The first branch channel (156A) connects the first aperture (154A) with the first trunk channel (158A) for passing, in use, the first molded article (102A) thereto, whereafter it passes through the first trunk channel (158A) towards an exit (164A) thereof.

Abstract: An injection molding machine includes a moving platen. The moving platen includes a fixed support and an ejector assembly. The fixed support includes a first and a second adjustment motors, and a first and a second adjustment shafts. The first and second adjustment motors are connected to the first and second adjustment shafts respectively. The ejector assembly includes two guide shells, two drive shafts, two ejector pins, and two guide protrusions. Each guide shell is positioned in the fixed support and receives one drive shaft and one ejector pin. Each drive shaft engages with a corresponding ejector pin and is capable of driving the corresponding ejector pin to move back and forth in the guide shell. Each guide protrusion extends outwards from a corresponding guide shell. Each of the first and second adjustment shafts engages with a corresponding guide protrusion and is capable of moving the corresponding guide protrusion.

Abstract: An ejector apparatus for an injection molding machine, includes ejector pins mounted to a movable ejector plate and drivable by a drive device for ejecting injection molded parts from a cavity of an injection molding tool. The ejector plate is displaceable by the drive device with a given normal ejector force acting on an injection molded part. There is provided a reinforcing mechanism which, when there is a jammed injection molded part, reinforces the ejector force acting on the injection molded part to an increased additional ejector force for ejecting the jammed injection molded part above the given normal ejector force which can be or is made available by the drive device.

Abstract: A mold apparatus comprising a release liner removably securable to a mold tool face by a liner vacuum system configured to hold the release liner in place against the tool face, the liner vacuum system comprising at least one liner vacuum port extending and providing fluid communication between the mold face and a vacuum source. The liner vacuum system is actuable to hold the release liner in place against the tool face in advance of and during material injection and during curing and may be further actuable to subsequently release the tool from the liner, leaving the release liner to be peeled from the cured material.

Abstract: Disclosed herein is, amongst other things, a picking tool (200, 300) for use in a post-mold picking device (132) of an injection molding system (100) and a related method of post-mold handling a molded article (10) therewith. The picking tool (200, 300) includes a picker (240, 340) that is configured to pick, in use, a molded article (10) from a holder (130), wherein the picker (240, 340) includes: a flow director (244, 344) that is selectively operable, in use, to direct a flow of air into, or out of an interior of the molded article (10); and a sealing element (248, 348) that is sealable, in use, to an open end (11) of the molded article (10), responsive to evacuation of the interior of the molded article (10), and wherein the sealing element (248, 348) is selectively positionable, in use, relative to the open end of the molded article (10), between a picking position and a clearance position.

Abstract: An injection molding machine comprises: a machine base having a top surface, and a pair of platens supported on the top surface of the machine base, at least one of the platens translatable along a machine axis between open and closed positions. An end-effector is moveable relative to the machine base between an advanced position and a retracted position for interacting with parts associated with production in the injection molding machine. An upright has a lower end adjustably coupled to the machine base and an upper end spaced apart from the top surface of the machine base and coupled to the end-effector.

Abstract: There is set forth herein a system having an injection molding assembly mold including a stationary section and moveable section, the stationary section having a channel assembly, one or more nozzle and a mold cavity, the mold further having a sensor unit array, the sensor unit array comprising one or more sensor unit. The system can include one or more processing circuit that utilizes an output of the one or more sensor unit for determining a condition prevailing within the injection molding assembly.

Abstract: A mold assembly having an ejection mechanism is disclosed and has a female mold, a male mold, a lower fixing plate, an upper ejection plate, at least one upper ejection pin, a lower ejection plate, at least one lower ejection pin and at least one process control mechanism. The female and male molds are closed to commonly define a mold cavity. The lower fixing plate and the male mold commonly define a receiving space therebetween to receive the upper ejection plate and the lower ejection plate which can be shifted upward and downward therein. The upper and lower ejection pins are mounted on the upper and lower ejection plates, respectively. The process control mechanism controls the upper and lower ejection pins to eject a molded product in two steps, so that the molded product can be automatically ejected for enhancing the manufacture efficiency of the mold assembly.

Abstract: A molding apparatus includes a mold cavity (26), an ejector pin (30), and a sensor (42). The ejector pin has a first surface (48) exposed to the cavity and a second surface (40) not exposed to the cavity. The sensor (42) is in communicative contact with the ejector pin second surface (40). The sensor (42) is capable of sensing pressure in a mold cavity (26) through the ejector pin (30). The molding apparatus may include a hollow ejector pin (108) with a first end (120) facing the mold cavity (26). A sensor (104) embedded in the hollow ejector pin first end (120) senses a mold cavity parameter. A signal line (112) from the sensor (104) is routed through the hollow ejector pin (108).

Abstract: An injection mold includes a male mold, a female mold engaged with the male mold to define a shaping chamber therebetween, an ejection plate mounted on the female mold, and an insert element. The female mold includes a female mold plate defining a female receiving space for receiving a female core therein, and a first insertion groove connecting with the female receiving space. The female core defines a first channel, and a plurality of slots connecting between the first channel and the shaping chamber. The insert element has a top inserted in the ejection plate and a bottom stretched in the first insertion groove to cooperate with the first channel and the slots to define a runner. An injection feeder nose is inserted in the insert element for injecting melted plastic materials into the runner so as to make the melted plastic materials flow into the shaping chamber.

Abstract: In some embodiments, a tool includes, in an injection molding machine, a movable internal core configured to receive a molded plastic layer thereon, the molded plastic layer having a thickness. The tool also comprises an injection nozzle configured to inject plastic material over the movable internal core to form the molded plastic layer; an ejection plate connected to the movable internal core; and multiple, movable support plates each having a thickness. The multiple, movable support plates are located behind the ejection plate. A movable support plate of the multiple, movable support plates is configured to determine the thickness of the molded plastic layer.

Abstract: Opening device with slides in moulds to extract the moulded parts. The cavity is formed by mobile parts that can be removed to release the moulded parts. The cavity of the moulds is formed by slides that are installed on the corresponding holders that are fixed to the corresponding racks connected among them through a connection element, preferably a gear, and that are simultaneously activated with a driving element.

Abstract: The present invention relates to a method and apparatus for removing a plurality of molded articles from respective molds each having an external molding surface oriented according to a mold axis (X), said molds (12) being arranged with their axis (X) parallel. The apparatus comprises a plurality of pairs of jaws (4,6), each corresponding to a respective mold (12) and including a first jaw (4) and an opposed second jaw (6) which are moveable with respect to the respective mold (12) according to a first relative motion, between an open position wherein the jaws (4, 6) are spaced apart from the mold (;12) and a closed position wherein the jaws (4, 6) engage the mold (12), and a substantially axial second relative motion, wherein the pair of jaws (4,6) is slidably displaced along the mold axis (X) so as to remove it from the mold (12). The jaws (4, 6), for the first relative motion, are linearly moveable in parallel directions which are radial to the respective mold axis (X).

Abstract: A burden of exchanging ejector rods is reduced in an injection molding machine when exchanging rods during exchange of a die. A plurality of rod insertion holes are formed so as to pierce through a movable platen. A plurality of ejector rods are inserted into rod insertion holes so as to slide freely therein. An ejector plate is disposed at the rear side of the movable platen. In a plurality of the ejector rods, a plurality of base rods are inserted into rod insertion holes so as to slide freely therein. Their base end portions are fixed to the ejector plate. Detachable rods are removably stuck with magnetism to the base rods by first and second magnets.

Abstract: Described herein is a mold. The mold includes a first mold half and a second mold half. A molding cavity is definable between the first mold half and the second mold half within which a molded article is moldable. The mold also includes a core configured to form a seal on the molded article. The first mold half and the second mold half are configured to remain in a mold closed configuration with molding and stripping of the molded article.

Abstract: The ejector device of a molding machine includes: an ejector plate; an ejector drive means for driving the ejector plate in directions to approach towards and to withdraw from a platen; a plurality of rod insertion holes formed so as to pierce through the platen; and a plurality of ejector rods or a plurality of base rods which are base end portions of ejector rods that are inserted into the plurality of rod insertion holes so as to slide freely therein; and a plurality of magnetic rod fixing mechanisms capable of removably fixing the plurality of ejector rods to the ejector plate, or of removably fixing the plurality of detachable rods to the tip end portions of the base rods which are fixed to the ejector plate.

Abstract: According to embodiments of the present invention, there is provided a stripper assembly and a mold stack incorporating same. More specifically, there is provided the stripper assembly (212) for use in a mold stack (202) for forming a preform (210) suitable for blow-molding into a final-shaped container.

Abstract: A tooling for injection-molding a part, the tooling including two cavity blocks each including a cavity formed therein of a shape corresponding to a shape of a part that is to be molded once the cavity blocks have been superposed, at least one of the cavity blocks including an ejection mechanism ejecting the molded part and including at least one ejector movable between a molding position and an ejection position. The ejector is guided to move between its two positions along a curved path, or a circular arc, of shape that corresponds to a shape of a portion of the mold part to be extracted from the cavity.

Abstract: Disclosed is a plastic injection mold, including a stationary mold member and a movable mold member mating with the stationary mold member. An inclined guide pillar and a stop block having a block plan are fixedly disposed on the stationary mold member. A slide having a molding portion is slidably disposed on the movable mold member. A guide pillar hole and an ejector hole are defined in the slide, and a molding cavity is defined by the molding portion with the stationary and the movable mold member. An ejection mechanism disposed on the slide includes an ejector rod and a spring. In a mold release process, a product molded with the mold is initially held by an ejector rod to prevent the product from being deformed when pulled by the slide for ensuring the quality of the molding product.

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: An assembling method of an injection mold includes the steps of: disposing guide rods and a ejection pin plate on a punch template; inserting guide bushes into the ejection pin plate; inserting ejection pins respectively into the ejection pin plate and the punch template; fastening a ejection pin fixing plate to the ejection pin plate; fastening a die fixing plate and spacer plates to the punch template, and inserting the other ends of the guide rods into the die fixing plate; and disposing a press plate into the die fixing plate, and fastening the guide rods to the die fixing plate by tightening screws. The assembling method set the guide rods first o achieve a positioning function before ejection pin plate is assembled, and thereby capable of effectively eliminating the problems of deformation of the ejection pin plate, breaking of the ejection pin, and abrasion occurring in the return stroke.

Abstract: The injection molding employing a mold that includes a molding surface in which a pin hole is formed, and at least one ejector pin that is inserted through the pin hole and that includes an outer peripheral surface facing an inner peripheral surface of the pin hole; includes closing a mold, injecting material into the mold, setting the material, opening the mold, and extruding the material by making a tip end surface of the at least one ejector pin protrude out of a pin hole. The tip end surface is recessed from the molding surface by a predetermined distance in a direction opposite a direction in which the material is extruded, while injecting the material into the mold.

Abstract: Disclosed herein is, amongst other things, a molding apparatus, comprising a stripper sleeve (116) for use in a first stack portion (110) of a mold stack (140), wherein the stripper sleeve (116) is configured to open a slide pair (122) of the first stack portion (110) and to strip a molded article (106) from the first stack portion (110).

Abstract: An injection mold and a cooperating molding system and method that allows for the parting line of a molded vehicle bumper fascia to be hidden within the wheel arch portion thereof. The invention contemplates two different mold designs for producing such a parting line: a double-lifter design and a collapsing slide core design. The bumper fascia remains in the cavity portion of the mold after molding due to the presence of undercuts in the mold cavity. A robotic part removal device is used to remove the molded bumper fascia from the mold cavity after mold opening. The part removal device is adapted to temporarily deform the bumper fascia in the wheel arch flange areas thereof to facilitate its removal from the cavity.

Abstract: A mold includes upper and lower mold members, an upper-side slider pushing member, a slider, and an ejector rod. The upper-side slider pushing member is secured on the upper mold member. The lower mold member defines a movement space. The slider is slidably mounted on the lower mold member, and forms outer and inner angled surfaces. The ejector rod is movably mounted on the lower mold member. The ejector rod extends into the movement space and is driven by the push bar. The ejector rod and the upper-side slider pushing member are respectively engageable and thus pushing the inner and outer angled surfaces of the slider to cause the slider to slide on the lower mold member. The mold keeps the slider in a closed state while the mold is being opened, thereby preventing molded products from sticking to an upper mold member and saving internal space for the sliders.

Abstract: An injection mold for molding a product which has a gap and an inserting groove at a side thereof includes a movable mold and a stationary mold. A fillister is designed in an inner sidewall of the inserting groove. The stationary mold includes an inclined pillar slantwise mounted in the stationary mold. The movable mold includes a movable core and a sliding mechanism which includes a sliding block, a preventing board and a sliding element. The preventing board is further inserted in the sliding block therein. The sliding block is parted from the product to form the gap, for assisting the sliding element to be parted from the product to form the inserting groove and the fillister under the drive of the inclined pillar and the inner end face of the sliding block acting on the other end of the sliding element, when the injection mold is opened.

Abstract: A knockout mechanism for a food patty forming machine with one or more knockout cups for ejecting formed food from a cavity of a reciprocating mold plate. A rocker arm moves the knockout cup between a raised position and a knockout position. A linear actuator applies force to the knockout cup to move the knockout cup from the raised position to the knockout position. A spring also applies force on the rocker arm to move the knockout cup.

Abstract: The invention relates to an injection-molding tool and to a process for producing pin-shaped blanks as end products, a two-dimensional skin cavity and blank cavities connected to said skin cavity being provided at a runner, in order to be able to form a molding, including a sprue, a skin and the blanks formed on said skin via defined predetermined breaking points. In this case, the injection-molding tool makes it possible before and at the beginning of the injecting operation to create a negative pressure in the cavities and makes it easier after the molding material has solidified to demold the molding obtained by introduced compressed air.