Abstract: The invention relates to an element of a vehicle luminous device, including an element made from a synthetic polymer material and includes an injection space which is formed by a primary space and a secondary space. The element further includes a material injection channel with at least two portions which extend in different directions. A first portion includes an injection location and a second portion is connected to the secondary space, and at least one angled portion with a variable angle connecting the at least two portions and including a protuberance.

Abstract: An injection molding device (1) includes a center part (3) and a rotating device (2) for rotating the center part (3) in the injection molding device (1). The rotating device (2) includes a base (4) supported with respect to an injection molding machine. A thereto attached column (5) extends to an axial direction (z) above the base (4). A sleeve (6) coaxially surrounds the column (5) and is at least partially arranged in the center part (3). The sleeve (6) rotates with the center part (3) around the column (5). The column (5) is arranged removable with respect to the center part (3).

Abstract: The present disclosure relates to methods and apparatus for structuring a semiconductor substrate. In one embodiment, a method of substrate structuring includes applying a resist layer to a substrate optionally disposed on a carrier. The resist layer is patterned using ultraviolet radiation or laser ablation. The patterned portions of the resist layer are then transferred onto the substrate by micro-blasting to form desired features in the substrate while unexposed or un-ablated portions of the resist layer shield the rest of the substrate. The substrate is then exposed to an etch process and a de-bonding process to remove the resist layer and release the carrier.

Abstract: A tool, in particular for encapsulating or casting rotors of electric machines, having an arrangement space which extends along a longitudinal axis and is designed to arrange and encapsulate or cast a component, wherein the arrangement space is delimited at least in sections by at least one adjusting tool, the position of which can be adjusted in such a way that a size of the arrangement space can be changed.

Abstract: A Petri dish (100) base (300) and lid (200) each having a substantially circular, substantially flat region from which sidewalls extend perpendicular to the flat region (312) forming a corner (326), (230). The base may have a base stacking ring (325) extending from the base (300) at the corner (326), and an internal channel (330) around the inside of the base (300) at the corner (326). The base (300) may have a uniform cross-sectional thickness (350) and may also have vents (322) in the base stacking ring (325). The lid (200) may have a uniform cross-sectional thickness (250). The lid (200) may have a lid stacking ring (225) at the corner (230), which forms a groove (240) in the interior (212) of the lid (200) at the corner (230). The lid may also have ribs (295) and vents (222) to enable multiple dishes to be stacked without forming a vacuum.

Abstract: A method for producing components or profiles from at least one solidifiable plastic compound in an injection moulding facility, said method comprising stationary mould components and mould components which are movable with respect thereto. The method includes injection of solidifiable plastic compound into a channel formed in the movable mould components and, from there, via connections either in portions into one or more mould cavities. The channel is enclosed by at least one stationary, temperature-controlled mould component. A continuous channel compound strand is formed with attachment compound strands, which is transported away from the injection point with increasing cooling and solidification and increasing length, together with the filled mould cavities and mould cavity portions.

Abstract: A method of forming an undercut which is engageable with an edge, on a side wall of a cover intermediate body using a cover intermediate body and a secondary processing die. In the secondary processing die, a moving inner core has, on the outer surface thereof, a concave shape corresponding to a convex shape of the inner surface of the undercut. The moving inner core is made up of a plurality of core segments which are arranged along the circumferential direction. Each core segment is vertically movable along an inclined surface of a core. When the moving inner core is moved upward, the moving inner core transforms smaller than the inner diameter of the side wall of a cover. The slide core has, on the inner surface thereof, a convex shape corresponding to the concave shape of the undercut.

Abstract: A method of forming an undercut which is engageable with an edge, on a side wall of a cover intermediate body using a cover intermediate body and a secondary processing die. In the secondary processing die, a moving inner core has, on the outer surface thereof, a concave shape corresponding to a convex shape of the inner surface of the undercut. The moving inner core is made up of a plurality of core segments which are arranged along the circumferential direction. Each core segment is vertically movable along an inclined surface of a core. When the moving inner core is moved upward, the moving inner core transforms smaller than the inner diameter of the side wall of a cover. The slide core has, on the inner surface thereof, a convex shape corresponding to the concave shape of the undercut.

Abstract: A method of manufacturing a molded part includes inserting melt into a cavity of a first tool part, and the first tool part and a second tool part are moved away from one another during or after the insertion of the melt by moving a second mold clamping plate relative to a first mold clamping plate such that in the first tool part or in the second tool part clearance space of a first or second cavity portion of the cavity is created, and a gap is formed between the first tool part and the second tool part. Melt is further inserted into the clearance space of the cavity, and the gap is bridged by an at least already partially solidified section of the melt. A holding force is transmitted from the second tool part to the first tool part through the partially solidified section of the melt bridging the gap.

Abstract: The invention presents molding tools, in which a position of a molding tool within a base tool or a position of molding cores relative to each other can be set by adjusting a position of base tools by means of controllable adjustment elements.

Abstract: A hinged component fabrication method in which, in a layup stage of fabrication, the component includes a live hinge joining uncured material portions together at a hinge region and comprising a layer of tensile fabric at least partially infiltrated by an uncured elastomer layer at least partially interposed between the tensile fabric and the uncured material portions such that the uncured elastomer blocks the uncured material portions from infiltrating the hinge region. The method may include locating overlapped tensile fabric and elastomer layers in a tool and introducing polymer-based material into the tool such that polymer-based material portions overlap respective opposite ends of the fabric and elastomer layers. The polymer-based material portions are formed to a desired shape using the forming tool so that the fabric and elastomer layers form a live hinge between the polymer-based material portions.

Abstract: A process is provided for making a walled structure using an injection molding apparatus. The apparatus has a molding space formed between a mold cavity and an inner core disposed within the mold cavity. The molding space defines a shape of the structure. The process includes injecting molding material into the molding space, moving or retaining a portion of a movable impression member protruding from the inner core within a portion of the molding space so as to create a recess within an inner wall of the structure, and retracting the impression member into the inner core such that the impression member is cleared from the molding space. Precision control in forming the impression member is provided by a closed-loop configuration using a sensor that measures a molding space parameter (e.g., temperature), optionally in combination with a servo drive for activating the impression member.

Abstract: An arthroscopic or other surgical cutter has features which facilitate fabrication by ceramic molding. The arthroscopic cutter includes a cutter body having a longitudinal axis and a window, an interior channel, and a plurality of cutting edges extending radially outwardly from an outer surface thereof. The features include non-helical, longitudinally aligned cutting edges, controlled thicknesses of the cutting edges, controlled heights of the cutting edges, controlled areas of the windows, controlled diameters of the internal channels, controlled rake angles of the cutting edges, and other parameters.

Abstract: An injection molding method includes the steps of positioning a core piece in a mold cavity through a plurality of positioning pins; injecting a molten plastic material into the mold cavity to surround and cover the core piece; maintaining the pressure inside the mold cavity at a predetermined maintaining time so that the core piece is positioned by the molten plastic material; retracting the positioning pins from the mold cavity when a predetermined retraction time is reached, so that spaces occupied by the positioning pins in the mold cavity can be filled with the molten plastic material; and completely curing the molten plastic material to form a finished product.

Abstract: A process is provided for making a walled structure using an injection molding apparatus. The apparatus has a molding space formed between a mold cavity and an inner core disposed within the mold cavity. The molding space defines a shape of the structure. The process includes injecting molding material into the molding space, moving or retaining a portion of a movable impression member protruding from the inner core within a portion of the molding space so as to create a recess within an inner wall of the structure, and retracting the impression member into the inner core such that the impression member is cleared from the molding space.

Abstract: Disclosed is a casting mold comprising at least two adjoining molds that enclose a hollow space, the cavity, which is accessible from the outside via at least one inlet duct and into which liquid casting material can be injected or pressed, and at least one vent opening that extends from the cavity to the outer surface of a mold, points approximately in the direction in which the hardened cast part is removed from the mold, and is closed by a pin-type breather. The face of the breather facing the cavity is perforated by small air holes which are permeable to air while retaining the liquid casting material and which are connected to the outer surface of the breather.

Abstract: The disclosure relates to an injection molding module including a mold unit and a slider that is disposed in the mold unit and that cooperates with the mold unit to define a cavity and a cooling runner in spacial communication with the cavity. The cooling runner includes a main section that is formed with an inlet, and a tapering section that extends from the main section in a lengthwise direction and that is formed with an outlet in spatial communication with the cavity. The inlet has an axial direction that is not parallel with the lengthwise direction, thereby the plastic material having a flow direction that is changed when a plastic material is fed into the cooling runner through the inlet.

Abstract: An injection molding device for injection molding a flexible sleeve body for a squeezable tube, comprises a male mold part and a female mold part, which in combination with the male mold part forms a sleeve body cavity for forming the flexible sleeve body between them. The sleeve body cavity extends from a top end to an opposite bottom end in a longitudinal direction. The molding device further comprises a runner end part, which in combination with the female mold part and the male mold part forms a runner cavity at the top end of the sleeve body cavity. The runner cavity comprises a passage constituted by one or more openings connecting the annular shaped distribution channel with the sleeve body cavity for guiding the molten plastics material from a runner distribution channel into the sleeve body cavity.

Abstract: A controller (501) is described herein that includes instructions (512) that are embodied in a controller-usable memory (510) of the controller (501), the instructions (512) for directing the controller (501) to execute a process (1000) of injection molding a first molded article (102A) using an injection mold (100, 200, 300, 800, 900). The process includes, amongst other things, a step of arranging (1008) a first stack portion (110) to eject the first molded article (102A) therefrom with holding a position of a stripper sleeve (116) of the first stack portion (110), along the mold-stroke axis (X), while retracting a mold core (111) of the first stack portion (110) along the mold-stroke axis (X), wherein the retraction of the mold core (111) causes a retraction thereof from the first molded article (102) in cooperation with the stripper sleeve (116) contacting the first molded article (102).

Abstract: Thus far, it has not been possible to produce laryngeal masks having a supraglottic tube as a one-piece unit. If the supraglottic tube (2) is provided with three lumens (4, 5, 6), the center one (6) of which has no passage to the respiration room (10), the invention provides a solution. The invention proposes that the center guide lumen is provided with a longitudinal slit (8) extending from the distal end (9) to the laryngeal mask head (3). Thus, a connecting web can be attached between the two cores or sliders forming the lumens, generating the desired stability in order to maintain the pressing power tool state without deformation.

Abstract: An injection-molding method for selectively manufacturing molded parts with and without a breakthrough is disclosed. A molded part with a breakthrough is manufactured by positioning a mold core in a mold cavity, whereas a molded part without breakthrough is manufactured by removing the mold core at least partly from the mold cavity. The mold cavity delimited by a nozzle-side mold platen and an ejector-side mold platen. The mold core is movable relative to at least one of the mold platens, in particularly the nozzle-side mold platen, in an advance direction, where the mold core is closer to the nozzle-side mold platen and an opposite withdrawal direction. At least one protective measure is provided for protecting the inner surface facing the mold cavity of the respective mold platen, in particularly the nozzle-side mold platen, from adverse mechanical effects during movement of the mold core in the advance direction.

Abstract: An apparatus for fabricating a semiconductor package may include a mold and a molding plate. The mold may define a mold cavity with the mold being configured to receive a circuit board in the mold cavity, and the circuit board may include a semiconductor chip mounted thereon. A molding plate may be moveable in the mold cavity with the molding plate being configured to adjust a volume of the mold cavity. Related methods are also discussed.

Abstract: An actuator for an injection molding tool includes a housing, a plunger and a slide member. The housing includes an aperture extending therethrough and a first recess extending through an open end of the aperture. The plunger is slidably received in the aperture and is movable therein relative to the housing between first and second positions. The plunger may include a second recess formed therein that cooperates with the first recess to define a cavity when the plunger is in the first position. The slide member slidably engages the plunger for movement relative to the plunger between an extended position in which the slide member extends into the cavity and a retracted position in which the slide member is retracted out of the cavity.

Abstract: Provided is a technology with which, when producing a resin molded article, the inside of which is provided with an insert component such as a terminal fitting, it is possible to prevent the insert component from being exposed at an inappropriate position, and to ensure the desired positional accuracy. In an injection molding device, the accuracy of the position of a terminal is improved by allowing a core-back mold to move after a terminal, which is an insert component, has been inserted in a terminal tip holding section of a slide mold. By allowing the core-back mold to move by only a prescribed amount prior to injection molding, a resin wall is formed between the core-back mold and the terminal. The inappropriate exposure and shorting of and the adhesion of foreign substances to, and the like, the terminal can thus be prevented.

Abstract: A tool (1000) includes a mold defining a cavity (1002). The cavity can be for receiving a glass layer (402). A floating core insert (1001) can be placed in the cavity to apply a preloading force against a first major face of the glass layer, preclude an overmolding operation on the first major face, and allow overmolding only on minor faces of the glass layer when polymeric material (1100) is injected into runners (1018,1019,1020) of the tool.

Abstract: A method for producing a resin molding die (13) for molding a first substrate (2) having a flow path (2b) and a through-hole (2a), wherein a base die (10) having a concave part (10b) corresponding to the flow path (2b) and a through-hole (10a) corresponding to through-hole (2a) and deeper than the concave part (10b) is prepared, the base die (10) is subjected to electroforming with a first material and is then subjected to electroforming with a second material which is different from the first material, and a protruding part for forming through-hole (10a) by removing the first material that was electrodeposited on through-hole (10a) is formed. The first material has a smaller electroforming stress than the second material, the first material exerts a higher adhesiveness with regard to the base die than the second material, and the second material is harder than the first material.

Abstract: Disclosed herein is, amongst other things, a mold stack that includes a core insert, a core ring, and a split insert that are configured to cooperate, in use, to define a molding cavity. The core insert defines a ring seat on a medial portion thereof upon which the core ring may be seated, in use, in cooperation with a mounting interface thereon. The split insert defines a pocket that extends coaxially through a second projecting portion thereof within which to receive a projecting portion of the core ring. The core ring and the split insert being further configured to define a core ring-to-split insert parting line that is within the pocket of the split insert. The core ring further defines a first split insert seat for receiving the second projecting portion of the split insert.

Abstract: Provided is an apparatus and method for manufacturing a ball joint that are capable of reducing a torque applied between a ball stud and a ball seat. The ball joint manufacturing apparatus includes an upper mold having a shape configured to injection-mold a ball seat formed of a synthetic resin material and surrounding the outside of a spherical head part of a ball stud; a lower mold installed under the upper mold and having a molding surface for forming a portion of the ball seat; a fixing jig configured to fix the ball stud to a molding position of the upper mold and the lower mold; and a rotary member configured to rotate the fixing jig.

Abstract: An injection-molding device includes a male part, a female part, a vertically-moveable slider, a horizontally-moveable slider and an elastic element. The female part is detachably engaged with the male part, and an insertion groove is collectively formed by the male part and the female part. The vertically-moveable slider is detachably inserted in the insertion groove, and formed with a first inclined plane. The horizontally-moveable slider is detachably inserted in the insertion groove, formed with a second inclined plane being slidably engaged with the first inclined plane, and a closed cavity is collectively defined by the vertically-moveable slider, the horizontally-moveable slider, the female part and the male part. Two opposite ends of the elastic element are respectively abutted against the vertically-moveable slider and the horizontally-moveable slider.

Abstract: Provided is an injection foaming mold capable of preventing, when formed resin molding is performed by a partial core back, degradation of an outer appearance and component precision, and occurrence of swelling when a portion that is not subjected to the core back is taken out of a die. The injection foaming mold includes at least: a fixed core that avoids moving; and a movable core that performs the core back. The injection foaming mold further includes a capacity change shape portion, which is formed in a region in which a capacity in the die is changed smoothly and continuously from the fixed core side to the movable core side, the capacity change shape portion being formed at a boundary between the fixed core and the movable core.

Abstract: A method for producing a brake assembly (22) including friction material (24) molded to a backplate (26) using an improved receptacle plate (20) is provided. The backplate (26) includes openings (30) each having an opening diameter (Do). The receptacle plate (20) includes pins (28) extending transversely from a receiving surface (34). The method includes aligning the openings (30) of the backplate (26) with the pins (28) of the receptacle plate (20). Each pin (28) has a pin diameter (Dp) less than the opening diameter (Do) of the aligned opening (30). The friction material (24) is molded to the backplate (26) by heating the friction material (24) and the receptacle plate (20), and forcing the friction material (24) through the openings (30) of the backplate (26). The pins (28) extend into a center portion (32) of the friction material (24) and improve the degree of curing of the friction material (24).

Abstract: The urisheath provided here includes an element of thin material (a strip) that allows at least two lengths of it to run in a parallel fashion down either side of the sheath. The is obtained by injection molding the strip in liquid silicone in the silicone injection molding process for the urisheath, either by one, two or more component injection molding. The injection molding takes place in an injection molding form for a urisheath with a cavity for the body portion and a cavity for the strip portion wherein the cavity for the body portion is connected to the cavity for the strip portion creating an attachment zone between the strip and the sheath.

Abstract: A method for manufacturing an elongated element (200) is provided. The method comprises arranging a molding cavity (101), defined by a mold (103) and a mold insert (104), said mold insert (104) comprising a mold core (105) and a displaceable mold cavity wall (106), said displaceable mold cavity wall (106) being arranged between the mold (103) and the mold core (105), such that the molding cavity has a start volume in a start position of the displaceable mold cavity wall (106). Then a liquid material is injected into a proximal end (102) of the molding cavity (101), where after the displaceable mold cavity wall (106) is displaced in relation to and along with the mold (103) and the mold core (105), distally during said injection, to increase the molding cavity volume from the start volume into an end volume at an end position of the displaceable mold cavity wall (106), wherein the molding cavity (101) in said end position of the displaceable mold cavity wall (106) corresponds to the elongated element (200).

Abstract: Disclosed herein is, amongst other things, a molding apparatus that includes a core ring (140, 340, 440, 540, 640, 740) that is configured to seat, in use, around a core insert (120, 320, 420, 620) in a mold stack (116, 216, 316, 416, 516, 616, 716). The core ring (140, 340, 440, 540, 640, 740) is configured to be received, at least in part, within a pocket (152) that is defined within a split insert (150) of the mold stack (116, 216, 316, 416, 516, 616, 716). The core ring (140, 340, 440, 540, 640, 740) is also configured to define at least a portion of a molding cavity (119) having a core ring-to-split insert parting line (180) that is within the pocket (152) of the split insert (150).

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 includes a mechanism for positioning a core, which mechanism includes at least one bearing surface for bearing against the core and at least one presser screw screwed into a threaded passage of the cavity block for purpose of holding the core in position against the bearing surface. The tooling further includes a force-limiter limiting force applied to the core by the presser screw.

Abstract: Optical fiber connector includes a main body and at least one protrusion. The main body includes a first surface, a second surface, and at least one receiving hole defined therein. Each protrusion is positioned on the first surface and surrounds an opening of the corresponding receiving hole.

Abstract: A mold assembly for manufacturing an optical lens for LED, includes an upper die, an upper die core received in the upper die, a bottom die and a bottom die core received in the bottom die. The upper die core includes a bottom surface; the bottom surface has a profile corresponding to a profile of a top portion of the optical lens. The bottom die includes a base and a replaceable die core removably received in the base. The replaceable die core includes an upper surface, and the replaceable die core defines a chamber depressed downwardly at a center of the upper surface. A bottom portion of the optical lens is formed by in the chamber. The replaceable die core defines a plurality of fixing holes recessed downwardly from the chamber for forming positioning feet of the optical lens.

Abstract: A light-influencing element for influencing the light emission of essentially point light sources having at least two lenses which are juxtaposed and integrally connected to each other, each having a cavity defining a light entrance section of the lens, and a light exit surface opposite the light entrance section, at least two of the lenses being designed differently with regard to their light entrance sections.

Abstract: Disclosed herein are, amongst other things, a molding apparatus with which to mold, in use, a preform of a type for blow molding into a container. The molding apparatus includes a lock ring (104, 204) for use in a first stack portion (108) of a mold stack (120). The lock ring (104, 204) includes a tubular body (150, 250) that is configured to define, amongst other things, a support interface (194) in cooperation, in use, with a split insert (6, 106) of the first stack portion through which a compressive load is transferrable during molding of the preform, wherein the support interface (194) includes a support shelf (154) that is defined, at least in part, on a first major promontory (152, 252) of the tubular body (150, 250).

Abstract: A method for manufacturing an elongated element (200) is disclosed. The method comprises arranging a molding cavity (101), defined by a mold (103) and a mold insert (104), said mold insert (104) comprising a mold core (105). A liquid material is then injected into a proximal end (102) of the molding cavity (101), and the material is solidified, such that the elongated element (200) is formed. The elongated element (200) and mold insert (104) are removed from said mold (103), and the elongated element (200) is removed from said mold insert (104), wherein said removal of said elongated element (200) from said mold insert (104) comprises injecting a fluid in the interface between the elongated element (200) and the mold core (105). A mold assembly for the manufacture thereof is also provided.

Abstract: A method for manufacturing an elongated element (200) is provided. The method comprises arranging a molding cavity (101), defined by a mold (103) and a mold insert (104), said mold insert (104) comprising a mold core (105) and a displaceable mold cavity wall (106), said displaceable mold cavity wall (106) being arranged between the mold (103) and the mold core (105), such that the molding cavity has a start volume in a start position of the displaceable mold cavity wall (106). Then a liquid material is injected into a proximal end (102) of the molding cavity (101), where after the displaceable mold cavity wall (106) is displaced in relation to and along with the mold (103) and the mold core (105), distally during said injection, to increase the molding cavity volume from the start volume into an end volume at an end position of the displaceable mold cavity wall (106), wherein the molding cavity (101) in said end position of the displaceable mold cavity wall (106) corresponds to the elongated element (200).

Abstract: It is an object of this invention to provide a resin molding die that is capable of suppressing, even when an undercut is provided on a core mold and an embossing process is performed on a cavity mold, generation of burrs attributed to the undercut and the embossing process. A resin molding die (1) of this invention includes: a core mold (4) including a protrusion (11) formed on a surface thereof as an undercut, the protrusion (11) being provided so as to form a through hole (105) in a resin-molded product (100); and a cavity mold (5) provided so as to be engageable with the core mold (4).

Abstract: A mold assembly and method for forming a siding panel with an integral continuous rail are disclosed. The mold assembly includes a slide mold member, a lifter mold member, a stationary mold member and a rear mold assembly. The slide mold and lifter mold members include surfaces for forming the rail. Molten plastic is injected into the mold cavity and cooled. The lifter mold member is moved toward the molded siding so as to move the molded siding panel away from the stationary mold member. The slide mold member is moved away from a portion of the lifter mold member and toward the molded siding panel so as to move the molded siding panel away from the lifter mold member and causing the rail to flex as it slides over the convex portion of the lifter mold member.

Abstract: A mold core includes first and second main bodies and an adjustment assembly. The first main body includes a front surface, a rear surface opposite to the front surface, and a receiving cavity passing through the front and rear surfaces. The front surface defines two first cavities at opposite sides of the receiving cavity. A connection line of centers of the first cavities intersects with a symmetry axis of the first cavities to form a first intersection point. The second main body includes a forming surface defining second cavities. A connection line of centers of the molding cavities intersects with a symmetry axis of the second cavities to form a second intersection point. The forming surface is coplanar with the front surface. The adjustment assembly abuts the first and the second main bodies to compensate an offset between the first and second intersection points to satisfy a predetermined range.

Abstract: A molding die for molding a resin-made roller shaft therein includes: a cavity for molding the roller shaft therein; and a holding member which is provided on an end of the cavity and holds both ends in an axial direction of the roller shaft, wherein the holding member can rotate the roller shaft around a axis of the roller shaft

Abstract: There is provided a 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: Fixed side molding dies are removed from fixed side molding dies insertion hole portions in accordance with the disconnection in the connection/disconnection while maintaining a contact state that a second transfer portion is in contact with a portion other than a fixed side optical functional surface of each molded article at the time of mold opening of a fixed die and a movable die. Thereby a first transfer portion is released from the fixed side optical functional surface.

Abstract: A tool (1000) includes a mold defining a cavity (1002). The cavity can be for receiving a glass layer (402). A floating core insert (1001) can be placed in the cavity to apply a preloading force against a first major face of the glass layer, preclude an overmolding operation on the first major face, and allow overmolding only on minor faces of the glass layer when polymeric material (1100) is injected into runners (1018,1019,1020) of the tool.

Abstract: A mold apparatus, an injection molding apparatus, and an injection molding method, which can satisfactorily form a preform having a bottom thicker than a body, are provided. The mold apparatus comprises a neck mold, an injection cavity mold, and an injection core mold having an inside core mold and an outside core mold, and further comprises a regulation means, such as an urging member, for regulating the movement of the inside core mold toward the outside of the injection cavity mold.

Abstract: An injection molding system includes a cavity assembly and a core assembly. The core assembly includes a core plate, a core skeleton secured to the core plate, and a removable core body insert defining a mold shape, secured to the core skeleton. The cavity assembly includes a core plate with a circular groove and a gate pad disposed in the groove, providing an entry point for liquefied resin material. The cavity assembly further includes a cavity insert disposed on the gate pad, forming an inner cavity for receiving liquefied resin material via the gate pad and for receiving the removable core body insert of the core assembly. The core assembly further includes a cavity skeleton with a circular opening for providing access to the inner cavity, disposed over the cavity insert and the gate pad, and secured to the cavity plate.