Abstract: A compression molding system comprising first and second mold halves is provided for an electronic device wherein a plurality of cavities are formed in the first mold half corresponding to molding locations on the electronic device. A plurality of plungers are located in the first mold half, each of which is drivable against a side of a respective cavity for applying a compacting force to encapsulation material located in the cavity during molding. A motor is operatively connected to the plungers for driving the plungers relative to the cavities.

Abstract: An exemplary mold for forming a workpiece includes a first core holer, a first core member, a second core holer, a second core member, a mounting member, and an adjusting member. The first core member is mounted in the first core holer, the second core holer is configured for attachment to the first core holer, the second core member is mounted in the second core holer, the first core member and the second core member are configured for cooperatively defining a mold chamber. The mounting member is coupled to the first core holer, the adjusting member has a threaded portion in threaded engagement with the mounting member and a distal portion coupled to the first core member, the adjusting member is configured for adjustably moving the first core member relative to the second core member, thus adjusting a size of the mold chamber.

Abstract: A method and apparatus for manufacturing fiber-reinforced products with integrated insert parts by moulding a heat-bonding resin having a viscosity of about 1-10_6 and about 30-10+6 mPas, between two joinable halves of a separable mould having an upper and lower mould parts forming a cavity therebetween, the inner moulding faces are attached to displaceable fixed parts of a pressing table. Prior to moulding, an insert part is fixed in position in the cavity, and the mould parts each have a set of a support devices displaceable in the cavity relative to the respective moulding faces. According to the method, the resin is located in the cavity before the mold is closes and the insert is in position prior to and during an initial phase of moulding. The support device is removed prior to the setting of the resin in the mould leaving holes in the material, and thereafter the mold parts are held together for filling the holes.

Abstract: A mold for forming a tire curing bladder. The mold has an outer mold assembly enclosing an inner mold core assembly. The outer mold comprises three sections and the inner mold comprises two portions. The outer mold and the inner mold core form a mold cavity therebetween. In one embodiment, the mold cavity defines a frog eye geometry where a cylindrical space is formed having a diameter that is greater for portions of the cylindrical spaced away from a centerline of the mold cavity than for portions near the centerline.

Abstract: A lipstick making device includes an elastic mold device having a mold cavity for filling and molding a lipstick element, three or more curved mold pieces movably disposed above the elastic mold device for forming a hole in the mold pieces when the curved mold pieces are moved radially inward and toward each other, and for receiving the lipstick material to form a root portion of the lipstick element. The root portion of the lipstick element may be exposed when the curved mold pieces are moved away from each other for allowing the slide of the lipstick housing to be easily and readily engaged onto the exposed root portion of the lipstick element.

Abstract: A method and assembly for molding golf balls is disclosed herein. The invention includes an injection mold assembly (20) with a first mold half (22a) having a plurality of cavities and at least one locating pin (92) and a second mold half (22b) having a plurality of cavities and at least one aperture for engagement with at least one bushing (94) and a spring (250) for exerting a lateral force against the second mold half (22b). Preferably, the locating pin has a first taper section (93) and a second taper section (95). Preferably, the bushing (84) has a first cavity 1(1150 and a second cavity (117).

Abstract: An apparatus and method for demolding golf balls from a mold cavity are disclosed. More specifically, an apparatus and method for demolding a golf ball from a mold cavity subsequent to forming a cover layer without the use of ejector or knockout pins are disclosed. The molding apparatus utilizes an undercut configuration that, upon opening the molds after molding a golf ball, serves to impart a rotational force upon the ball and dislodge it from the molds.

Abstract: An air bag cover body forming apparatus, comprising forming molds (2A, 2B), groove-forming blades (3), and support rods (4), wherein the forming molds form a cavity (20) for forming a resin air bag cover body (1) having air bag door parts, the groove-forming blades form rupture grooves (11) determining the air bag door parts in the air bag cover body, and the support rods support the air bag door parts of the air bag cover body formed in the cavity. The forming molds comprising movable cores (21a, 21b) reciprocatingly movable between a position where the molds are allowed to abut on the air bag cover body and a position where the molds are separated from the air bag cover body, wherein when the cores are separated from the air bag door parts, the support rods are allowed to abut on the air bag door parts to prevent an excessive stress concentration from occurring in the rupture grooves.

Abstract: A method of thermoforming shells so that their cut lips face inward toward the shells permits the production of a number of novel thermoformed products having superior nesting and de-nesting qualities and having the ability to fit together to produce a variety of closed shell forms.

Abstract: A tooling system in a press for forming a product from a blank of material disposed between a punch assembly and a die assembly and a method of using the same. The tooling system comprises a knockout and a bushing. The knockout further comprises a shaft having opposed ends, a plate fixed to one opposed end, and a tapered portion. The bushing is supported by one of the punch and die assemblies and defines a lumen configured to slidably receive the shaft for axial movement between an extended position and a retracted position. The lumen has a tapered receiving section at one end thereof configured to mate with the tapered portion of the knockout when the shaft is in the extended position.

Abstract: An injection mold has first, second and third mold parts. The first mold part defines a void having a front end, a rear end and a central axis. The second mold part includes a plug portion and a protuberant portion. The third mold part has a molding position frontwardly adjacent the first mold part and is frontwardly movable relative to the first mold part to a respective release position. The three mold parts have a molding configuration corresponding to molding positions of the second mold part and the third mold part. The mold parts define a mold cavity for an article having a main body, tubular spout, and annular rim portions. The first, second and third mold parts also have a release configuration corresponding to the release positions of the second and third mold parts, permitting the removal of a molded article from the mold.

Abstract: The invention relates to a tire tread mould comprising a lower molding part (2) and an upper molding part (3) defining respectively the outer surface or the inner surface of a tread, at least one of the parts being movable between two positions corresponding to the opening and closure of the mould (1), in which the upper molding part (3) bears elements (6) for hooking one of the longitudinal ends of the tread.

Abstract: The present invention provides an accessorial ejecting mechanism mounted beneath a male mold section. The accessorial ejecting mechanism includes an accessorial plate, a rail, a slider, and a movable board. The accessorial plate secured to the male mold section has a recess in the top surface thereof. The rail is received in the recess and fixed to the accessorial plate. The slider, connecting a driving device, is slidable along the rail. The slider defines at least a guiding groove whose opposite ends are in different height. The movable board is also received in the recess. At least a guiding post is fixed to a side of the movable board and extends outwardly into the guiding groove. Sliding of the slider makes the movable board move up and down. Pin cores for forming pinholes of a molded article are fixed to the movable board so as to move up and down together with the movable board.

Abstract: A structure of foaming die for forming a generally inverted-L-shaped headrest, which is designed to receive and enclose an incomplete headrest unit comprising a hollow trim cover assembly of a generally “inverted L” shape having a horizontal upper portion and a vertical head support portion, and at least one headrest stay extending vertically from the horizontal upper portion. This die structure includes die surface portions workable for receiving and enclosing a whole of the hollow trim cover assembly. A movable die element is movably provided so as to be movable toward and away from an operative position where the movable die element is normally set to receive a back cover surface region of such head support portion, thereby allowing the movable die element to be moved away from the operative position and thus allowing a resulting headrest to be removed from the die subsequent to a foaming process.

Abstract: Preventing a molded disc substrate from generating a separation pattern. To this end, a molding die 1 includes a pair of stationary die 6 and movable die 7, and an outer circumference ring 16 for molding an outer circumference end of the disc substrate 2. The outer circumference ring 16 is so mounted as to be movable along forward and backward directions in parallel with a moving direction of the movable die 7 toward the stationary die 6, and has a retaining surface 39 for retaining the outer circumference of the molded disc substrate 2.

Abstract: A press for making a patty includes a substantially flat panel to contact the product to be pressed into a patty. An upstanding member is affixed to the panel. A weight member or “mould” surrounds the upstanding member. The weight member is moveable along the upstanding member between a first position where the weight member overlies the panel to facilitate the application of force to the product and a second position where the weight member is spaced from the panel.

Abstract: An improved mold is provided for forming concrete blocks wherein the mold is of the type that has at least one wall having a plurality of spaced projections extending inwardly from the wall into a block material forming cavity. The at least one wall further includes a lip at a bottom of the wall extending inwardly into the cavity with the lip having an inwardly extending lip extension disposed along its bottom. The improvement includes having the lowermost projections in abutment with a top surface of the lip, and a vertical inner surface of each projection being coplanar with an upper vertical inner surface of the lip.

Abstract: An apparatus for manufacturing lightweight concrete composite blocks includes a form, a station conveyor, a form-loading station, a form assembly station, a curing oven, and a block removal station. The station conveyor conveys the form or a multitude of forms around the apparatus in a continuous loop to produce a desired rate of production of lightweight concrete composite blocks. The form-loading station fills the form with a lightweight concrete composite. The form assembly station assembles the form to seal the composite within the form. The curing oven cures the lightweight concrete composite into a lightweight concrete composite block. The block removal station removes the lightweight concrete composite block from the form prior to the return of the form to the form-loading station for re-use.

Abstract: A tooling system in a press for forming a product from a blank of material disposed between a punch assembly and a die assembly and a method of using the same. The tooling system comprises a knockout and a bushing. The knockout further comprises a shaft having opposed ends, a plate fixed to one opposed end, and a tapered portion. The bushing is supported by one of the punch and die assemblies and defines a lumen configured to slidably receive the shaft for axial movement between an extended position and a retracted position. The lumen has a tapered receiving section at one end thereof configured to mate with the tapered portion of the knockout when the shaft is in the extended position.

Abstract: Molding apparatus for producing non-planar parts using compaction molding compounds (CMC) comprises a mold having a cavity which receives CMC therein, the mold including a movable platen assembly having at least two plates movable in substantially parallel directions to compact CMC placed in the cavity, and an actuating mechanism which moves the plates simultaneously at different respective velocities such that the CMC is substantially uniformly compacted into a non-planar shape with a predetermined, substantially uniform density.

Abstract: A method and apparatus for manufacturing unitary concrete blocks includes a form that defines the desired shape of the unitary concrete block. A form loading station delivers a lightweight concrete composite into the form. A station conveyor conveys the form from the form loading station through a curing oven. In the curing oven, the composite-filled form is cured into a unitary concrete block. The station conveyor conveys the form to a block removal station that removes the unitary concrete block from the form. The station conveyor returns the form to the form loading station to manufacture more unitary concrete blocks. For increased production, multiple forms can be conveyed between stations simultaneously. Additionally, a metering ingredient assembly may be used to deliver appropriate amounts of desired ingredients to a mixer for producing the lightweight concrete composite.

Abstract: The arrangement is based on the principle that the ejector (9) of a moulding tool actuates the rear ejector plates (5, 5A, 5B) and the front plates (4, 4A, 4A) are conveyed along until the bearing segments (23) reach the free groove (17) in central pin (12). Balancing against misalignment of the ejector package is obtained at the same time through the incorporation of this two-stage ejector, and, at the same time, it replaces extra guides.

Abstract: The arrangement is based on the principle that the ejector (9) of a moulding tool actuates the front ejector plates (4, 4A, 4B) and the rear plates (5, 5A, 5B) are conveyed along until the bearing segments reach the free groove in the central pin, which at the same time is provided with a stroke-restricting collar (20), in conjunction with which balancing against misalignment of the ejector package is obtained at the same time through the incorporation of this two-stage ejector, and, at the same time, that it replace extra guides.

Abstract: A peripherally encapsulated product is molded by placing a piece of glass between mold clamping portions of movable closed bodies when the latter are in an open position. The bodies are heated and thermosetting polymeric material is placed upon one of the mold bodies outboard of a peripheral edge of a piece of glass. The glass is clamped and the mold bodies are closed creating compression forces which extrude the polymeric material into the annular cavity and into complete encapsulation of a peripheral edge of the piece of glass. The thermosetting polymeric material is cured, the mold bodies are opened and the product is removed therefrom.

Abstract: Apparatus for molding plastic caps having inclined tabs integral with the lower edge of the cap skirt and radially inwardly extending ribs integral with the inner surface of the cap skirt. The tabs and ribs are formed by a plurality of blades having recesses on the ends thereof corresponding to the configurations of the tabs and ribs. The blades are mounted on a core and extend into a female mold having a cup-shaped cavity. A linear drive member is mounted on a fixed plate assembly and connected to a ratchet sleeve rotatably mounted on a movable plate assembly. The end of the ratchet sleeve is provided with circumferentially spaced teeth engaging the lower peripheral edge of the cap skirt. Movement of the movable plate assembly relative to the fixed plate assembly causes the ratchet sleeve to rotate to move the molded tabs and ribs away from the recesses of the blades so that the finished cap can be stripped from the apparatus.

Abstract: An apparatus for forming a frame including a rigid thermoplastic portion and a resilient portion defining a lip seal. In particular, a core/cavity mold assembly is provided, wherein the rigid thermoplastic portion is formed, by opening the mold assembly while maintaining the rigid thermoplastic portion in the core, placing the core in line with a second cavity configured and sized to form the lip seal and molding the lip seal directly onto the rigid thermoplastic portion. The mold cavity is provided with movable internal and external stripper rings that allow the resilient portion to be removed from the cavity.

Abstract: A helical gear is disclosed that is formed by an injection molding process in which the mold cavity is formed of mirror finished hardened stainless steel. The helical gear is disclosed in a gear box that entirely encase the gears, and may be integral with the housing of the toy. Furthermore, an “L” axle for gears is disclosed that provides a straight shaft portion that extends through the axle bearing aligned with the centerline of the gear and a bent portion that is seated in a slot recess in the wall of the gear box.

Abstract: An apparatus and method for producing a sheet of brake lining material utilizes a mold which has a mold base and a mold frame. The mold frame is slidingly received on the mold base. The sliding relationship between the mold frame and the mold base results in a mold cavity which has a variable volume. The variable volume of the mold cavity allows the cavity to adjust to the size of material initially placed in the mold cavity thereby eliminating any mold flash and/or scrap material.

Abstract: A mold for manufacturing plastic items, composed of a female mold half and of a male mold half which are mutually aligned along a vertical axis, the male mold half being composed of a sleeve and a plug which is guided inside the sleeve and is movable with respect thereto; the female mold half comprises a base plate, a bush which is guided on the base plate and forms, together with the base plate, a cavity for receiving a dose of plastic material to be molded, the bush being provided with an abutment which acts as a locator for the sleeve during molding, the bush being movable with respect to the base plate in contrast with elastic return means which allow the plug to enter said cavity.

Abstract: The arrangement is based on the principle that the ejector (9) of a moulding tool actuates the front ejector plates (4, 4A, 4B) and the rear plates (5, 5A, 5B) are conveyed along until the bearing segments reach the free groove in the central pin, which at the same time is provided with a stroke-restricting collar (20), in conjunction with which balancing against misalignment of the ejector package is obtained at the same time through the incorporation of this two-stage ejector, and, at the same time, that it replaces extra guides.

Abstract: The arrangement is based on the principle that the ejector (9) of a moulding tool actuates the rear ejector plates (5, 5A, 5B) and the front plates (4, 4A, 4A) are conveyed along until the bearing segments (23) reach the free groove (17) in the central pin (12). Balancing against misalignment of the ejector package is obtained at the same time through the incorporation of this two-stage ejector, and, at the same time, it replaces extra guides.

Abstract: Systems and methods for producing chocolate shells by immersing a core into a liquid filled mold cavity. The temperature of the core member is controlled. A mold-cavity closure extends peripherally around the core member in closing engagement with the mold. The closure is axially movable in relation to the core member. The core member is immersed fully into the liquid mass and pressed in a direction against the mold cavity by a load means to build up pressure in the chocolate mass. Also disclosed is the above mentioned cavity closure which is axially movable in relation to, and connected to, the core.

Abstract: Systems and methods for producing chocolate shells by immersing a core into a liquid filled mold cavity. The temperature of the core member is controlled. A mold-cavity closure extends peripherally around the core member in closing engagement with the mold. The closure is axially movable in relation to the core member. The core member is immersed fully into the liquid mass and pressed in a direction against the mold cavity by a load means to build up pressure in the chocolate mass. Also disclosed is the above mentioned cavity closure which is axially movable in relation to, and connected to, the core.

Abstract: A mold for the manufacture of a fan having a hub and a plurality of helical blades extending from the hub. The mold cavity is designed with a specific shape to produce the helical blades of the fan. The mold is comprised of two mold parts. At least one of the mold parts is freely rotatable such that upon separation of the mold parts, the formed fan causes the rotatable mold part to autorotate as it is pulled away from the other mold part.

Abstract: A mold box for producing a plurality of masonry units with a roughened texture side face, the mold box including a plurality of side walls defining a mold cavity open at its top and bottom, adapted to receive masonry fill material by way of its open top, and to discharge molded fill material in the form of a molded masonry unit of predetermined height by way of its open bottom; and a division member spanning between two of the side walls to define two subcavities in the mold box, the division member comprising a grate.

Abstract: An automatic mold opening and food product extracting apparatus. The apparatus includes a first conveyor for moving a food mold with a food product therein from a staging gate to a delatcher and further to a time-delay gate. The staging gate controls movement of the molds and food products therein into the delatcher. The delatcher engages the mold such that the first and second portions are unlatched. A second conveyor is disposed above a portion of the first conveyor. The time-delay gate controls movement of the molds toward the second conveyor. Gripping pads on the second conveyor grippingly engage the second portion of the mold so that the second portion is raised above the first portion and the food product originally in the mold. The separation may be provided by gravity or by a lid puller device when proper separation does not occur.

Abstract: An improved apparatus comprising a three plate mold for forming golf ball cores having dual parting lines. The mold comprises top, center and bottom plates, each having at least one mold insert with each insert having a cavity therein. The three cavities collectively form a spherical shape for molding a golf ball core. Upon the cores being formed, the center plate holding the cores, is lifted and rotated to a juxtaposed position against a stripping plate, whereby the cores are mechanically separated from both the mold and overflow flashing.

Abstract: A release mechanism operating to release molded articles from a third mold portion includes a guide coupled to the second mold portion forming a cam track. A cam follower coupled to the surfaces of the third mold portion, which are holding the molded articles, is engaged in the cam track when the second and third mold portions are within a pre-selected distance of each other. The cam follower interacts with the cam track to cause some initial movement of the surfaces holding the molded articles to a pre-release position for the holding surfaces so that the molded articles are loosely retained by the holding surfaces. A power operator, carried by the third mold portion and coupled to the article holding surfaces, is responsive to a signal to move the article holding surfaces from the pre-release position to a full release position when a molded article receiver is suitably positioned to receive the molded articles. The molded article receiver includes receiver tubes for receiving the molded articles.

Abstract: A resin-sealing mold for encapsulating a semiconductor device includes upper and lower molds with a first cavity insert forming a cavity side face portion; a first elastic post supporting the first cavity insert; an elastic plate, built in the first cavity insert, forming a cavity bottom portion; a second cavity insert embedded at a position adjacent to the elastic plate on the side opposite to the cavity; a second elastic post supporting the second cavity insert; a retainer including the first cavity insert and the second cavity insert; and a backing plate to which the first elastic post, the second elastic post and the retainer are attached. Generation of thin burrs that tend to appear on the periphery of the package and in the vicinity of the cull section is prevented, and, consequently, a resin-sealing mold with high reliability is produced.

Abstract: A stripper assembly is provided for stripping a mold part from a core, extending from a core part of an injection mold where the core part has core lock wedges which is disposed thereabout for engaging a corresponding mold cavity and resisting outward movement of an outer edge of the mold cavity. The core lock wedges are spaced apart to provide respective openings between adjacent ends of the adjacent wedges. A stripper plate extends about the core and has acutator attachment regions extending through the openings.

Abstract: The present invention comprises a method and apparatus for repairing or refurbishing thermoplastic drums, by which a damaged drum, or at least a damaged portion thereof, is heated until it reaches a softened state and is then drawn over a template, or mold, having the substantially the same shape and size of an undamaged barrel. The drum is allowed to cool sufficiently to return to its hardened state, whereby it substantially assumes the shape of the template. The refurbished drum is then removed from the template and is essentially ready to be used again.

Abstract: The spring plunger of the present invention comprises: a body; a stopping portion for stopping the body; a pin whose projection height from the surface of a plate is to be precisely decided; a spring connected with the pin, and spring stopper for fig the end of the spring. When the stopping portion contacts a pit surface provided on the surface of the plate, the body of the spring plunger does not proceed any more in the female screw in the plate. Thus, the pin projection height from the surface of the plate is kept constant. According to the present invention, the pin projection height from a surface of an object body such as a mold surface can be controlled easily and precisely.

Abstract: The invention relates to an arrangement (2) for a two-stage ejector (3), which has a follow-on action, capable of installation centrally in a moulding tool (1).

Abstract: Systems and methods for producing chocolate shells by immersing a core into a liquid filled mold cavity. The temperature of the core member is controlled. A mold cavity closure with shell rim molding surfaces extends peripherally around the core member and, together with outer surfaces of the core and inner surfaces of the mold cavity, the molding surfaces determine the full geometry of the chocolate shell. The cavity closure is axially movable in relation to the core member and has unobstructed travel in relation to the core member, when the mold cavity closure is engaged with the mold. The device includes a load for pressing the core member in direction against the mold cavity to achieve pressure build up in the mass.

Abstract: A resin sealing mold for semiconductor devices, which is designed to thoroughly accommodate board thickness variations and prevent formation of burrs and which is easy to maintain. To this end, a plurality of pistons (42) supporting, at one of their respective ends, lower mold cavities (56) have the other ends thereof slidably inserted in hydraulic cylinder blocks installed on lower mold sets (40).

Abstract: A mold which is easy to fabricate and which is durable and self cleaning. The mold is especially suited for creating fine or modest roughened surfaces on concrete masonry units. These moderately roughened surfaces are suitable for use as the decorative face(s) on concrete products such as bricks and blocks. The desired result of producing a modest or fine roughened surface on a masonry unit can be performed in a mold without using protruding lips or wall projections or grates, although such features could be used to supplement the action described herein. According to the present invention, one or more shallow channels or grooves are cut or otherwise formed in the face of the mold wall or walls or other generally vertical surface(s) within the mold from which it is desired to produce a roughened surface on a masonry unit.

Abstract: A method for manufacturing a multilayer tube shoulder wherein a first material component is injected into a cavity (22) and then removed from the cavity on a support (12) while in a partly-plastic state. Thereafter, following insertion of the first material component into a second cavity (23), a second material component is injected around the first material component, and thereby leads to a positive connection between the first and second material components.

Abstract: Stripper assembly for an injection molding machine comprising at least one slide pair having a first slide and a second slide and actuation means operatively coupled to said first slide for moving the first slide in a first direction. According to an important aspect of the invention, the stripper assembly further comprises transmission means operatively coupled to said first slide and said second slide for transforming the movement of the first slide in the first direction in a movement of the second slide in a second direction, the second direction being opposite to the first direction.

Abstract: The invention concerns a process and a device to form a bung in which a piece (1) is provided that features a protrusion (2) designed to define said bung, said protrusion (2) constituting a conduit (3) equipped with a previously closed first end, with said piece in place in an enclosure (5); said piece (1) is released from said enclosure (5) using relative driving means (6) of one in relation to the other and said previously closed end is unplugged using cutting means (7) operated, directly or not, by said driving means (6). The invention concerns also a fabrication mold for a hollow body, such as a tank, provided with a bung, equipped with the above-described device.

Abstract: An internal latch for an injection mold that allows opening of the mold at parting lines while selected plates are locked in position and prevented from moving. The system includes an external bushing, an internal bushing that carries cam retainers, and a locking pin. The system may be used in an injection mold having in sequence a stationary plate, a stripper plate and a support plate. The external bushing is secured to the support plate, the internal bushing is secured to the stripper plate, and the locking pin is secured to the stationary plate. The cam retainers selectively engage grooves in the external bushing to lock the stripper plate from moving with respect to the support plate when the locking pin is inserted into the internal bushing beyond the location of the cam retainers. When the locking pin is extracted from the internal bushing, the cam retainers are free to move inwardly thus unlocking the stripper plate from the support plate.