Abstract: A caliper body of a floating-type disk brake includes a cylinder having a cylinder bore into which piston pressing brake pads are disposed against a disk rotor, a bridge extending from the cylinder part including a through-hole, and a claw part formed on a leading end side of the bridge and disposed opposite to the cylinder part. The caliper body of the floating-type disk brake is made in a mold with sprues provided in at least two places spaced apart from each other in a disk rotor circumferential direction on a region corresponding to the claw part. Molten metal is poured from the sprues in at least two places of the mold, and starts to solidify from a side of the cylinder part.

Abstract: An impact well configured to reduce the turbulence in a flowing fluid. The impact well has the shape of a frustum and includes an upper portion, an intermediate portion and a base portion. The base portion includes a domed portion that extends upwards into the intermediate portion. The upper portion, the intermediate portion and the base portion each included stepped areas configured to assist in the alignment of the portions and the assembly of the well.

Abstract: A core-setting apparatus and a method for setting the core in a lower mold used in a molding apparatus, wherein the core-setting apparatus has a simple structure and can maintain the core in the mold in a highly accurate position. The core-setting apparatus to set a core in the lower mold while the upper and the lower mold and a match plate are separated from each other after molding the upper and lower mold in a cope and drag flask includes a handling tool having a holding device and a rotatable rod, wherein the handling tool is rotatably supported by the rod, a carrier for transferring the handling tool, wherein the carrier supports the rotatable rod and is moved to or from a location above the lower mold, and an actuator for lowering and lifting the cope flask together with the carrier and the handling tool which are located above the drag flask, the actuator being mounted on the main body of the molding apparatus.

Abstract: This invention relates to a brake caliper adapted for use in a vehicle disc brake assembly and method and apparatus for producing the same. The method for producing the brake caliper comprises the steps of: (a) providing a mold member having at least two mold sections; (b) providing a core member having at least a first male extension which is adapted to form an integrally cast locating recess in the brake caliper which is used as a locating surface for subsequent machining of the brake caliper; (c) disposing the core member in the mold member in a predetermined position; (d) supplying a suitable material to the mold member so as to form a brake caliper within the mold; (e) removing the brake caliper from the mold, wherein the brake caliper includes an integrally cast locating recess formed therein by the first male extension of the core member; and (f) machining the brake caliper using at least the integrally cast locating recess formed therein as a locating surface.

Abstract: A manufacturing method of a tire forming mold in which an annular mold portion is constituted by a combination of sectors includes a step of manufacturing a circular arc shaped inner segment provided with a concavo-convex shape, a step of dividing the inner segment by a non-flat surface division so as to obtain a first segment piece and a second segment piece, and a step of incorporating the first segment piece into an inner peripheral side of a back segment of one sector out of a pair of sectors which are adjacent to each other in the tire circumferential direction, incorporating the second segment piece into an inner peripheral side of a back segment of the other sector, and arranging the non-flat surface divided surface in an end surface of the sector.

Abstract: The invention relates to a casting tool for producing workpieces from light metal alloys. The system includes a positioning element, a core part, a first mold part structured to carry the positioning element and be movable toward the core part, and a core part support structured to support the core part. The system also includes at least one stop structured to limit movement of the front mold part toward the core part and to allow the positioning element to be introduced into the core part, whereby the positioning element holds the core part in a predetermined position for casting.

Abstract: Disclosed is a mold 10 for forming cast rods including: a segment assembly 12 including a plurality of segments 14 being placed side by side, and a plurality of cavities 26 extending along a longitudinal direction 16; and clamping means (18 to 21) for clamping the segment assembly 12 in directions orthogonal to the longitudinal direction 16. The mold 10 has one or more cavity-forming portions 28 each forming a part of one of the peripheral surfaces of the cavities 26. Each cavity 26 is formed by a combination of two or more segments 14, and at least one of the plurality of segments 14 has two or more cavity-forming portions 28.

Abstract: A duplex electrical fitting including a one-piece connector body that is die-cast of metal. The duplex fitting includes a pair of inbound bores on the inbound end and a single outbound bore on the outbound end. Two cable engaging clips are secured to the connector body, one adjacent each of the inbound bores, for engaging and securing an electrical cable in each of the inbound bores. An end stop with a pair of round openings therein stops the forward travel of the cables just before the outbound bore. The outbound end of the connector body includes a cylindrical nose portion and a split cylindrical snap ring for providing positive engagement of the outbound end of the duplex fitting to an electrical box.

Abstract: An assembly of like two rib cores enclosing a splitter core are used to carry two or four sound damping inserts for sand mold casting of a pair of vented and damped brake rotors. Sand mold bodies are configured to define outboard surfaces of hub and rotor surfaces of the cast brake rotors. The three-piece core assembly is shaped to define the complex inner surfaces in casting of vented rotor bodies carrying one or two annular sound damping inserts.

Abstract: The teachings provide a fill tube assembly for a casting mold and methods of using the assembly. The fill tube assembly includes a fill tube having a tubular member with a receiving end, a mold-engaging end and an intermediate portion. The mold-engaging end has a tapered flange radially extending therefrom, the remainder of the tubular member has a substantially, uniform cross-section. A clamping assembly is structured to maintain a substantially leakproof seal at the fill tube, casting mold interface while accommodating dimensional variations. The clamping assembly includes a gasket, a load ring, a clamping plate and a pre-load gap between the clamping plate and the casting mold and optionally includes a dimensional compensating ring. When tightened, the clamping plate biases the load ring against the flange thereby distributing a uniform load against the casting mold, compressing the gasket therebetween while narrowing the pre-load gap to accommodate dimensional variations.

Abstract: A method for manufacturing a railcar coupler knuckle, said method includes providing a cope mold portion and a drag mold portion. The cope and drag mold portions have internal walls that define at least in part perimeter boundaries of a coupler knuckle mold cavity. At least one chill core is positioned within one of the cope mold portion and the drag mold portion. The cope and drag mold portions are closed, with the at least one core therebetween, and the closed cope and drag mold portions and the chill core define a parting line. The mold cavity is filled with a molten metal, which solidifies after filling to form a casting. The casting includes a pulling face portion defined by the chill core, and a central section of the pulling face portion does not contain the parting line and requires no finish grinding upon its formation.

Abstract: Object: To provide a small-sized, durable metal mold structure capable of casting two cylinder blocks at a time. Solution: A metal mold structure for casting two cylinder blocks W at a time, comprises left and right inner slide cores 5a, 5b being interposed between two cylinder blocks W, hydraulic cylinder units 10, 11 adapted to move each of these left and right inner slide cores 5a, 5b, inclined holes 12, 13 being provided in each of the left and right inner slide cores 5a, 5b, and inclined pins 14, 15 being provided on a fixed mold 2 and inserted into the inclined holes 12, 13 with a predetermined clearance C1, C2 maintained respectively, wherein, when the fixed mold 2 is operated, each of the inclined pins 14, 15 pushes a wall surface of the inclined hole 12, 13 in such a way as to move the left and right inner slide cores 5a, 5b in a mold opening direction respectively. Preferably, the clearances C1, C2 are different with respect to the left and right inner slide cores 5a, 5b.

Abstract: A method for core pulling and insertion in synchronization with the opening and closing of the mold in a cavity including a fixing half and a moving half, or a fixing half, a moving half and several cavity plates installed between fixing half and moving half as well as the core moving reciprocally inside the cavity, wherein a downward movement of a transmission gear is coupled with an opening of the mold, synchronous with a pulling of the core out of the cavity, and an upward movement of the transmission gear is coupled with a closing of the mold, synchronous with an insertion of the core into the cavity.

Abstract: A core for casting a container includes a casting surface, where the core is divided into at least two core segments. The casting surface of each core segment adjoins a division surface, and the division surface of each core segment is spaced apart from the division surface of a neighboring core segment by a gap. The gap is spanned by a frangible collapsible member such that substantially all of the casting surface is free of the collapsible member.

Abstract: A method including positioning an insert in a vertical mold including a first mold portion and a second mold portion; and casting a material including a metal around at least a portion of the insert.

Abstract: Object: To provide a small-sized, durable metal mold structure capable of casting two cylinder blocks at a time. Solution: A metal mold structure for casting two cylinder blocks W at a time, comprises left and right inner slide cores 5a, 5b being interposed between two cylinder blocks W, hydraulic cylinder units 10, 11 adapted to move each of these left and right inner slide cores 5a, 5b, inclined holes 12, 13 being provided in each of the left and right inner slide cores 5a, 5b, and inclined pins 14, 15 being provided on a fixed mold 2 and inserted into the inclined holes 12, 13 with a predetermined clearance C1, C2 maintained respectively, wherein, when the fixed mold 2 is operated, each of the inclined pins 14, 15 pushes a wall surface of the inclined hole 12, 13 in such a way as to move the left and right inner slide cores 5a, 5b in a mold opening direction respectively. Preferably, the clearances C1, C2 are different with respect to the left and right inner slide cores 5a, 5b.

Abstract: A metal molding machine includes a fixed mold and a movable mold, a fixed platen holding the fixed mold, an end frame coupled to the fixed platen by tie rods such that the end frame is fixedly mounted on a bed, a movable platen guided by the tie rods, the movable mold being held by the movable platen, and a rolling support mechanism supporting the movable platen. The rolling support mechanism includes a swingable arm, a wheel disposed on a portion of the swingable arm that is closer to the fixed platen and held in rolling contact with the bed, and a spring disposed on a portion of the swingable arm that is closer to the end frame. The spring is interposed between the swingable arm and a portion of the movable platen, for applying a resilient force in a direction so as to lower the wheel.

Abstract: A down hole casting assembly and a method for assembling the down hole casting assembly. The down hole casting assembly includes a mold and a blank coupled to the mold. The mold includes an internal surface surrounding a cavity formed therein and one or more junk slot displacements formed along at least a portion of the internal surface. The junk slot displacement includes a top edge. The blank includes an upper portion, a lower portion, and a bottom edge extending from at least a portion of the upper portion to at least a portion of the lower portion. At least a portion of the bottom edge is coupleable to at least a portion of the top edge. The portion of the bottom edge that couples to the portion of the top edge is complementary in shape so that the blank is positionable within the cavity in a repeatable manner.

Abstract: A mold device produces cast parts, in particular cast parts of complex shape, such as engine blocks, for example with 2 to 8 cylinders arranged in a row, wherein the mold device can be used, in particular, in die casting machines. The mold device has both a movable clamping plate and a permanently fixed clamping plate with movable or permanently fixed mold halves arranged thereon, wherein a water jacket insert or contour insert is placed in the movable mold halves, and the contour insert (11) is movable linearly.

Abstract: A coring system for producing a flash-free one-piece die-cast body for an electrical connector. The electrical connector of produced by the coring system of the present invention may be used for securing two electrical cables to an electrical panel or electrical box through a single knockout hole. The coring system includes a first core, a second core, and a connecting arrangement for connecting the first and second cores in such a manner that there are no gaps between the joined portions of the two cores. When the cores of the coring system are joined together by the connecting arrangement and placed in a mold, molten metal may be introduced to the mold at the joined area of the two core pieces to form a one-piece flash-free connector body according to the present invention.

Abstract: A molded article includes a flat plate portion and a projected portion. A molding method includes filling a cavity with the semimolten or semisolid metal in plate thickness directions of the flat plate portion starting from a surface on an opposite side of the flat plate portion from the surface from which the projected portion projects. The cavity is a casting space of the molded article formed inside a forming mold. A molding apparatus for casting the molded article includes a forming mold having the cavity, and a separate insert or slide mold disposed between the cavity and a runner in order to form the runner in plate thickness directions of the flat plate portion starting from the other surface. The runner is used to fill the cavity.

Abstract: A casting chamber configured to form a casting from molten material includes an outer mold, a plurality of inner core elements, and a surface portion of a thermal chill device. The thermal chill device includes first and second interchangeable elements with the surface portion of the thermal chill device including one of a first surface portion of the first interchangeable element and a second surface portion of the second interchangeable element. The first surface portion of the first interchangeable element includes an insulating material and the second surface portion of the second interchangeable element comprising a metallic material.

Abstract: The invention relates to a casting tool for producing workpieces from light metal alloys. The system includes a positioning element, a core part, a first mold part structured to carry the positioning element and be movable toward the core part, and a core part support structured to support the core part. The system also includes at least one stop structured to limit movement of the front mold part toward the core part and to allow the positioning element to be introduced into the core part, whereby the positioning element holds the core part in a predetermined position for casting.

Abstract: A mold assembly device and method for assembling a semi-permanent mold assembly is disclosed, the mold assembly device includes a base die and a transfer frame, wherein the transfer frame is capable of transferring a core package to the base die and facilitates assembly of the transfer frame and the core package with the base die.

Abstract: A mold assembly for forming a piston and method of molding a piston therewith includes a pair of mold halves moveable toward and away form one another along a linear path that is substantially perpendicular to a longitudinal central axis of the piston between an engaged position to provide at least portion of a mold cavity for forming an outer periphery of the piston and a disengaged position to allow extraction of the piston from the mold cavity. The assembly also has a pair of mandrels moveable along a linear path into an engaged position between the pair of mold halves to form an undercut of the piston. The pair of mandrels are movable to a disengaged position to allow extraction of the piston vertically along the axis.

Abstract: Systems and methods for reducing the potential for riser backfilling during investment casting are provided. In this regard, a representative method for performing investment casting includes: providing a mold having an opening communicating with an interior, the interior having a part cavity and a riser; providing an insert; and using the insert to form a physical barrier to reduce a potential for molten metal to backfill into the riser while the molten metal is introduced into the interior of the mold via the opening.

Abstract: A coring system for producing a flash-free one-piece die-cast body for an electrical connector. The electrical connector of produced by the coring system of the present invention may be used for securing two electrical cables to an electrical panel or electrical box through a single knockout hole. The coring system includes a first core, a second core, and a connecting arrangement for connecting the first and second cores in such a manner that there are no gaps between the joined portions of the two cores. When the cores of the coring system are joined together by the connecting arrangement and placed in a mold, molten metal may be introduced to the mold at the joined area of the two core pieces to form a one-piece flash-free connector body according to the present invention.

Abstract: A mold assembly for footwear components is cast as a collection of mold elements having integral attachment members. Attachment members of separate mold elements may then be joined by, e.g., welding. Handles may also be formed into one or more mold elements as part of the casting process. Outsole negatives are juxtaposed with templates for attachment tabs and/or handles and used to form ceramic casting molds. The ceramic casting molds can then be used to cast individual mold elements.

Abstract: A method for manufacturing hose couplings is composed of three steps as follows. The first step involves jointing and fixing a top casting-cavity insert and a bottom casting-cavity insert within a mold base of a casting machine. The second step is injecting a high-temperature molten metal into both the casting-cavity inserts, so that the molten metal can fill up the casting-cavity inserts. The third step is cooling the casting-cavity inserts by using a cooling liquid, so that the cooled and solidified metal can be released from the casting-cavity inserts to form a hose coupling. By using the method, various types of top casting-cavity inserts and bottom casting-cavity inserts may be adapted as desired and, therefore, various types of hose couplings may be manufactured as desired.

Abstract: Described herein is an implantable medical device and methods for making a device that includes a metal housing a molding process. In one embodiment, the housing includes a header attachment element extends from the housing. In another embodiment, the implantable medical device includes a header attachment surface comprising one or more header retaining features configured to secure a connector header to the header attachment surface. In another embodiment, the housing includes one or more structural elements extending from and integrally molded with the interior surface of the first or second portions of the housing. Also disclosed are methods of making the implantable medical device.

Abstract: A turbine blade airfoil assembly includes a cooling air passage. The cooling air passage includes a plurality of impingement openings that are isolated from at least one adjacent impingement opening. The cooling air passage is formed and cast within a turbine blade assembly through the use of a single core. The single core forms the features required to fabricate the various separate and isolated impingement openings. The isolation and combination of impingement openings provide for the augmentation of convection and film cooling and provide the flexibility to tailor airflow on an airfoil to optimize thermal performance of an airfoil.

Abstract: An upper surface of a skirting base section 6h of a sand core 6 is provided with a projection 14 of a column shape. When a slide mold 3 is slidingly moved in a mold clamping direction, a sliding contact section 15 of a holding recessed section 13 of the slide mold 3 is brought into sliding contact with the projection 14 to hold the projection 14 while scraping away part of the sand of the projection 14. The upper surface of the skirting base section 6h adjacent to the projection 14 is also provided with a recess 16 for recovering the scraped sand, wherein the width of the recess 16 is larger than the diameter of the projection 14 in the longitudinal direction. The projection 14 can be formed in a prismatic or semispherical shape.

Abstract: A fill tube assembly is for a casting mold. The fill tube assembly includes a fill tube having a tubular member with a receiving end, a mold-engaging end and an intermediate portion. The mold-engaging end has a tapered flange radially extending therefrom, the remainder of the tubular member has a substantially, uniform cross-section. A clamping assembly is structured to maintain a substantially leakproof seal at the fill tube, casting mold interface while accommodating dimensional variations. The clamping assembly includes a gasket, a load ring, a clamping plate and a pre-load gap between the clamping plate and the casting mold and optionally includes a dimensional compensating ring. When tightened, the clamping plate biases the load ring against the flange thereby distributing a uniform load against the casting mold, compressing the gasket therebetween while narrowing the pre-load gap to accommodate dimensional variations. A method of use is also disclosed.

Abstract: An ingot mold top comprising a base having a pair of side walls, each side wall having a first end and a second end, each of the first ends terminating in an angled portion and the second ends connected by a first end wall, a wedge having an end wall and a pair of side walls, the pair of side walls extending generally perpendicularly away from the end wall, and wherein the wedge pair of side walls each terminate in an angled portion and the base and wedge completely encompass an interior periphery of a mold.

Abstract: A die-casting die having a plurality of laterally movable slides is provided with a plurality of hydraulic cylinders located and carried internally within the die and connected with the plurality of slides to move the slides between cavity-open and cavity-closed positions.

Abstract: A molding machine able to detect a burr or other abnormality by detecting the position of tie bars. A control device detects an occurrence of burrs according to whether or not displacement amounts of pistons associated with the tie bars, using position sensors which detect the position of the pistons. The position sensors detect position from the start of injection to the completion of the injection to determine whether detected values are within a permissible range.

Abstract: A method of casting a rotary friction plate includes preparing a casting mold with a cavity and a core shaped to form the friction plate. Molten metal is poured into the mold through a central sprue where a portion of the metal flows radially outward across the top of the core to fill friction plate forming regions of the cavity from above, while another portion flows through a central opening in the core to fill a hub forming region at the bottom of the cavity as well as additionally supply metal to the lower friction plate forming region from below. The metal is allowed to cool, which begins at the radially outer regions of the at least one friction surface and progresses radially inward to develop a uniform cast structure.

Abstract: A method of manufacturing a cylinder block using a die apparatus wherein a columnar hole includes a bore in the cylinder block. The method includes the steps of abutting first and second split cores against an upper surface of a distal end core, the upper surface being located opposite the inner core, and introducing a molten metal into a cavity. An inner core is withdrawn to move the first and second split cores toward an axis. The first and second split cores are released from a formed product made of solidified molten metal. The split cores are removed from the formed product to form the bore, and an inner surface of the bore is cut.

Abstract: A top plate for an elastomeric rail fastening assembly has a downwardly tapering lower wall terminating in an inwardly-directed lip defining a mouth leading into a well. The cavity of the well extends upwardly to provide the interiors of rail-holding mounts between which a bottom flange of a rail may be located. The mounts have open-ended sockets for receiving spring clips used to hold the rail in position between the mounts, and the sockets and well communicate with one another. This form of top plate allows less metal to be used for its construction, requires less dressing after casting, and precisely locates the sockets with respect to one another.

Abstract: A physical quantity detector, such as a pressure sensor and a load sensor, includes a cylindrical part of which one end is closed with a strain generating part and a sensor part formed on the strain generating part. The cylindrical part is produced by melting an alloying material having a composition capable of yielding an amorphous alloy, injecting the resultant molten alloy into a metal mold, and cooling the molten alloy in the metal mold to confer amorphousness on the alloy. The metal mold includes a split mold having at least two split parts for forming a cavity and an insert pin to be inserted into the cavity so as to define the inner configuration of the cylindrical part, or further an insert core to be inserted into the mold so as to form the surface of the cavity corresponding to the surface of the strain generating part.

Abstract: A lost-wax cast impeller for a supercharger having no parting line on a hub surface and a blade surface in each space demarcated by pairs of long blades adjacent to each other and having excellent aerodynamic performance. A method of manufacturing the impeller involves forming a lost form pattern in substantially the same shape as the impeller, forming a mold by eliminating the lost form pattern after the lost form pattern is coated with a refractory, and pouring a molten metal in the mold for casting. In the molding step, lost material is injection-molded in a space demarcated by radially arranging, toward a center shaft, a plurality of slide molds having short blade-shaped bottomed groove parts and space shapes between the pairs of long blades adjacent to each other, and the slide molds are released by moving in the radial direction of the center shaft while rotating.

Abstract: A method of manufacturing a chassis is provided. The method comprises casting a first segment having a plurality of connected walls such that a window is cast in each of two of the plurality of connected walls in the first segment; casting a second segment having a plurality of connected walls such that a window is cast in each of two of the plurality of connected walls in the second segment; and coupling the first and second segments together to form the chassis having a window in four walls.

Abstract: Disclosed is a casting process with use of a lower mold 10 having a hollow corresponding to a partial profile of a casting, and an upper mold 22 supporting a core 24 and defining a mold cavity 12 in cooperation with the lower mold. The process includes: pouring a necessary minimum amount of a molten metal for obtaining a casting into the hollow; moving downwardly the upper mold at a predetermined first speed to a predetermined height level; further moving downwardly the upper mold assembly, from the predetermined height level, at a predetermined second speed by changing the descending speed of the upper mold; detecting a status information of the upper mold in a state when the upper mold is superimposed on the lower mold; and stopping the descending movement of the upper mold after detecting that the status information comes at a predetermined state.

Abstract: A feeder element for use in casting molds, includes a first end for placing on a mold model and an opposing second end for connecting to or for carrying an upper feeder part. The feeder element has a passage extending from the first to the second end, wherein the feeder element is two-part or multi-part including a tube-like element which forms the first end of the feeder element; an adapter element with an opening into which the tube-like element is inserted so that it is connected with frictional engagement to the adapter element. The adapter element includes one or more path limiters to limit the insertion path of the tube-element, which are set up so that the outer face of the edge of the tube-like element opposing the first end, with insertion to the maximum extent within the adapter element, is present with its entire periphery, or portions thereof, exposed.

Abstract: Die opening-closing means includes a servo motor and a movement conversion mechanism and is disposed between a support plate and a base stand. A movable plate is mounted on the support plate that is disposed on the base stand via a linear movement guide. In a forging cycle, die opening and closing is performed by activation of the die opening-closing means and tie bar fixing means at a rear surface side of the movable plate, and clamping force is obtained using a die clamping cylinder provided in the movable plate. When it is necessary to change over exclusive dies and change over is performed by: extending tie bar removal cylinders provided in a frame behind the movable plate so as to remove tie bars from a fixed plate; and moving a movable rail of internal rails to an open position and moving the change over carriage in along the internal rails from the outside.

Abstract: Die opening-closing means 10 includes a servo motor 11 and a movement conversion mechanism and is disposed between a support plate 8 and a base stand 1. A movable plate 4 is mounted on the support plate 8 that is disposed on the base stand 1 via a linear movement guide 7. In a forging cycle, die opening and closing is performed by activation of the die opening-closing means 10 and tie bar fixing means 21 at a rear surface side of the movable plate 4, and clamping force is obtained using a die clamping cylinder 30 provided in the movable plate 2. When it is necessary to change over exclusive dies 3b and 5b, change over is performed by: extending tie bar removal cylinders 41 provided in a frame 40 behind the movable plate 4 so as to remove tie bars 6 from a fixed plate 2; and moving a movable rail 52b of internal rails 52 to an open position and moving the change over carriage in along the internal rails 52 from the outside.

Abstract: Systems and methods for reducing the potential for riser backfilling during investment casting are provided. In this regard, a representative method for performing investment casting includes: providing a mold having an opening communicating with an interior, the interior having a part cavity and a riser; providing an insert; and using the insert to form a physical barrier to reduce a potential for molten metal to backfill into the riser while the molten metal is introduced into the interior of the mold via the opening.

Abstract: A core portion (47) that is used to hold an upper water jacket-forming core (45) and a lower water jacket-forming core (46) with a predetermined distance maintained therebetween includes holding core portions (48) and distance maintaining core portions (50). The upper water jacket-forming core (45) and the lower water jacket-forming core (46) are split from each other at the holding core portions (48). Communication passages that provide communication between an upper water jacket and a lower water jacket are formed by the distance maintaining core portions (50).

Abstract: A mold assembly for sand casting is disclosed. The mold assembly includes a drag having a first vertical axis and a first surface. The first surface extends generally perpendicular to the first vertical axis. The mold assembly also includes a cope having a second vertical axis positioned on the first surface such that the first vertical axis and the second vertical axis coincide to form a central vertical axis. The cope includes a second surface and a third surface both extending generally perpendicular to the second vertical axis. The mold assembly also includes a casting cavity disposed about the central vertical axis and located between the first surface and the second surface, and a core disposed about the central vertical axis and positioned in the casting cavity. The mold cavity further includes a pouring cup disposed about the second vertical axis and extending downward from the third surface to the casting cavity.

Abstract: A core for casting a container comprising a casting surface, where the core is divided into at least two core segments. The casting surface of each core segment adjoins a division surface, and the division surface of each core segment is spaced apart from the division surface of a neighbouring core segment by a gap. The gap is spanned by a frangible collapsible member such that substantially all of the casting surface is free of the collapsible member.