Abstract: Reciprocating rasps for the surgical preparation of the bone prior to the implantation of a glenoid or acetabular component with complex geometry are disclosed. Surgical methods for the use of such reciprocating rasps are also disclosed. Some of the methods include inserting a guide pin into the glenoid of the patient, advancing a reciprocating surgical rasp over the guide pin, reciprocating the surgical rasp so as to abrade bone tissue to form a cavity shaped to receive the glenoid component, and implanting the glenoid component in the cavity.

Abstract: Systems and methods are provided for forming composite parts. One embodiment is an apparatus that includes a forming tool. The forming tool includes a body, which includes an exterior that defines a shape for forming a laminate that will be cured into a composite part. The body also includes elements of phase change material that provide rigidity to the body below a threshold temperature, and that exhibit a phase change above the threshold temperature causing the body to become pliable. Further, the body includes flexible material that encloses the elements of phase change material.

Abstract: A position determination method for determining a position of a point on a flat surface by observing the position of the point and a position of a fiducial portion on the flat surface in an image of a measuring system provided with an imaging optical system using coaxial episcopic illumination is provided. The fiducial portion is in the shape of a pillar at least in the basal portion and provided with an inclined surface surrounding the foot of the pillar. The method includes the steps of determining a position of the outer boundary of the foot from the boundary between the inclined surface and the flat surface in the image; determining the position of the fiducial portion from the position of the outer boundary of the foot; and determining the position of the point with respect to the position of the fiducial portion.

Abstract: A system of air cushions to protect during impact, an occupant in a vehicle seat comprising elements for protection of the head and neck.

Abstract: A container holder for a multiplicity of tubular sample containers with a frame made of a rigid plastic material, comprising a panel with a multiplicity of holes, and a coating of the frame which is made of an elastic plastic material or of rubber, and which partially closes off the cross section of the holes.

Abstract: The present disclosure describes a pan formed from a base plate, a housing, a divider and an ejection plate. Together, the pan is shaped to form a pocket bun. The constituent parts of the pan nest together when baking, and disassemble when removing the bun from the pan. The pocket bun has an open-mouth design to allow ingredients to be retained in the bun while the sandwich is being consumed. The open-mouth design is formed having either a single cavity or a plurality of cavities, with each cavity adapted for carrying a filling. The pan is designed having one or more chambers, with each chamber adapted for baking a bun. Adjacent chambers optionally include openings therebetween such that adjacent buns will have a baked connection therebetween.

Abstract: An apparatus for casting material has a die for receiving a compressive force, the die having a shaped-opening for receiving a die insert. The die insert has an exterior shape that is adapted to cooperate with and be received in the opening such that compressive forces impinging upon the die are focused upon the die insert such that tensile forces within the die and impinging upon the die insert are minimized.

Abstract: A pre-cast concrete wall system for crawlspace applications is herein disclosed. The system includes a plurality of interconnected pre-cast concrete wall panels having a recessed area along one side to reduce concrete usage and weight, while maintaining load bearing properties. The wall panels are securely fastened to a substructure, such as footers, using anchors and to each other by opposingly aligned keyways and connecting fasteners. Each wall panel includes at least one (1) pair of leveling bolts which provides for the leveling of the wall panels and correct for any unevenness in the footer. The wall panels are fabricated using a rotating casting table which allows an operator to pour concrete at ergonomic heights and rotate the casting table and cured wall panel member to a vertical position for convenient unloading and transportation of the wall panel to a job site.

Abstract: In a method for manufacturing components from composite fiber materials, at least one placeholder is inserted into a recess in a molding tool, wherein the unfinished component is subsequently produced, the placeholder is removed, at least one lifting pad is inserted into the recess and the unfinished component is removed from the molding tool by inflating the lifting pad. In a system for manufacturing components from composite fiber materials, the component removal process is monitored and controlled by a computer unit in order to prevent predetermined maximum component loads from being exceeded. The gentle component removal process makes it possible to avoid consequential costs for repairing or reworking the components.

Abstract: A core assembly for an injection molding-machine. The assembly includes a movable mold half and a stationary mold half clamped onto each their platen of an injection molding-machine. It also includes an actuator for advancing and retracting during operation at least one core into and from a mold cavity in a mold. The actuator is connected to a core-carrier for carrying the at least one core. The core-carrier is slidingly mounted to and partly projecting from a guidance connected to one of the mold halves. A first hole is formed in the closed mold for slidingly receiving the projecting part of the core-carrier. The core assembly allows products to be continuously molded with an extremely high degree of accuracy, and it is simple, inexpensive and easy to mount and maintain while also allowing for positioning of cores at various angles relative to the mold.

Abstract: The invention relates to the field of packages and molds, and more particularly to a forming mold for plastic products and a using method thereof, and further relates to a packaging box for liquid crystal glass. The mold is used for molding box bodies of at least two different of the packaging box for liquid crystal glass; A cavity(es) of the mold is of a joining structure, and comprises a group of shared splicing piece(s), and at least two groups of selected splicing pieces. The cavities formed by the shared splicing piece(s) and different groups of selected splicing pieces are in different sizes, and are respectively used for forming box bodies of different sizes. The mold can mold box bodies of at least two different sizes of the packaging box for liquid crystal glass. Because the shared splicing piece(s) can be shared, the development cost of the mold is lower than the cost of separately developing two sets of integrated box body molds. In addition, the development cycle can be shortened.

Abstract: A molding method for forming an impeller, includes a mold clamping process having a first mold for forming one side of blades, a second mold firmly clamped with the first mold, and a core arranged at the first mold relative to the blades, the mold clamping process clamping the first mold to the second mold in a state where the core is arranged between the first mold and the second mold, an injecting process injecting resin in a cavity obtained by the mold clamping process, and a mold removing process including the steps of releasing at least the first mold from the clamped state obtained by the mold clamping process to generate an opened portion in the first mold after the resin is hardened, rotating the core about a rotational axis toward the opened portion of the first mold, and separating the core from the resin-molded impeller.

Abstract: A molding tool for manufacturing a fiber-reinforced plastic aerodynamic aircraft component, which aircraft component, in order to form several bays arranged on the inside and delimited by an outer skin and spars arranged spaced apart from each other, in each case includes a multi-part mold core that matches the shape of the respective bay, wherein to conform to local skin reinforcements and/or spar reinforcements that extend into at least one of the bays, the multi-part mold core includes four or five core parts, of which two core parts comprising a triangular cross section are arranged along opposing edges of the bay, which edges interact with two or three core parts that fill the space between the two triangular core parts, which space extends diagonally relative to the bay.

Abstract: A system includes one or more compacting wall retraction mechanisms for retracting one or more compacting walls of a compactable lightweight concrete block mold having at least two compacting walls. The compacting wall retraction mechanism(s) facilitate release of a compacted lightweight concrete block from the compactable lightweight concrete block mold. The system can include a mold feed conveyor, and a table for receiving the compactable lightweight concrete block mold from the mold feed conveyor. The system can include one or more tube extraction and re-insertion mechanisms for extracting or inserting tubes of a compactable mold. The system can include one or more end wall lock release mechanisms for releasing end walls to remove a molded block from the mold. Mold assembly and disassembly can be controlled by an electronic or computerized controller.

Abstract: A method for manufacturing a separated tip catheter includes the following steps: positioning first and second cores in a cavity of a mold, the cavity having a substantially elongated shape and including a first end portion and a second end portion, wherein the first and second cores are oriented substantially parallel to each other; placing a sheet of material having a higher melting temperature than a molding material across the first end portion of the cavity; and injecting the molding material into the cavity of the mold.

Abstract: The present invention relates to a fireproof panel equipped with coupling holes and a method of manufacturing the same, and a mold for the fireproof panel and, more particularly, to a fireproof panel equipped with coupling holes and method of manufacturing the same, and a mold for the fireproof panel, in which the coupling holes are formed in advance in a process of molding the fireproof panel and sleeves are provided in the coupling holes, thereby enabling the fireproof panel to be easily installed in a wall or a frame and also being capable of preventing the fireproof panel from being damaged in its installation process.

Abstract: An injection molding method for a plate-shaped resin substrate, wherein a through-hole whose diameter gradually becomes smaller from one surface to the other surface is provided thereon and fine flow path that connects to the through-hole is provided on the other surface. A cavity is formed by joining one molding die forming one surface with the other molding die forming the other surface. A part of the one molding die that forms the through-hole includes a taper pin that protrudes from the one molding die toward the other molding die. The substrate is formed by filling the cavity with resin material, and the substrate is released from the other molding die by separating the one molding die from the other molding die. By pushing the inner wall of the through-hole with the taper pin projected further toward the other molding die, the substrate is released from the one molding die.

Abstract: A mold for use in forming form a porous molded product via an injection molding process is provided. The method comprises injecting a material into the mold comprising multiple layers of shaping elements extending through a cavity, each layer of shaping elements including multiple shaping elements; and removing the molded product from the mold, the molded product having a porous structure formed by at least some of the shaping elements of the layers of shaping elements. The porous structure includes a multiplicity of ordered structural members defining the porous structure, the multiplicity of structural members intersecting to form structural member intersections, and a multiplicity of the pores defined by the multiplicity of structural members.

Abstract: A system includes one or more compacting wall retraction mechanisms for retracting one or more compacting walls of a compactable lightweight concrete block mold having at least two compacting walls. The compacting wall retraction mechanism(s) facilitate release of a compacted lightweight concrete block from the compactable lightweight concrete block mold. The system can include a mold feed conveyor, and a table for receiving the compactable lightweight concrete block mold from the mold feed conveyor. The system can include one or more tube extraction and re-insertion mechanisms for extracting or inserting tubes of a compactable mold. The system can include one or more end wall lock release mechanisms for releasing end walls to remove a molded block from the mold. Mold assembly and disassembly can be controlled by an electronic or computerized controller.

Abstract: A compactable mold comprises a main mold frame structure and plural wall structures including two end wall structures and two side wall structures. The plural wall structures define a mold cavity for forming a block from a mixture introduced into the mold cavity. At least two of the plural wall structures are movable wall structures for compacting the mixture. A described compactable mold has end walls and side walls that are shaped for forming tongue and groove features on a compacted block, and the end walls and side walls are movable such that a formed block can be released easily from the mold. A described compactable mold comprises at least one tube attached to at least one of the compacting wall structures. The compacting wall structures are operable to compact the mixture by moving toward the center of the mold cavity while the at least one tube remains stationary.

Abstract: The method according to the invention allows the production of a complex, integral (onepiece) fibre composite part having a plurality of internal and undercut stiffening elements employing removable cores. Because connection elements are no longer necessary, a high weight savings potential results, because, for example, rivets and rivet flanges required for this purpose, as in the case of conventional assembly from individual parts (differential construction), become superfluous.

Abstract: In the assembly-completed state, the Lower Mold, the Outer Mold, the Upper Mold, and the “inner mold (the integral body of the Pin-holder and the Pin)” are stacked and fixed in this order from the bottom, and the Pin is coaxially inserted into the First Hole of the Outer Mold and the Second Hole of the Upper Mold. In the assembly-completed state, the molding space for molding the ceramic molded body is formed between the surface of the Pin and the First Hole, and the annular minute gap is formed between the surface of the Pin and the Second Hole. The ceramic slurry poured into the Slurry Reservoir Pres formed on the upper surface of the Upper Mold falls and flows into the molding space through the annular minute gap by virtue of the action of gravity or the like.

Abstract: In a method for making an inspection fixture, a detachable mold assembly (20) and a hardenable fluid are firstly prepared. Secondly, the hardenable fluid is poured into the mold assembly, and a plurality of molding pins (23) are inserted into the mold assembly. Thirdly, a main body (21) with a plurality of positioning holes (2122) corresponding to the molding pins (i.e., the locations thereof) are formed in the mold after the hardenable fluid hardens. Fourthly, the mold assembly is detached, and the part is removed from the mold. Finally, a plurality of positioning pins is mounted into the positioning holes of the molded part, the positioning holes having remained upon removal of the molding pins.

Abstract: A method for manufacturing a separated tip catheter includes the following steps: positioning first and second cores in a cavity of a mold, the cavity having a substantially elongated shape and including a first end portion and a second end portion, wherein the first and second cores are oriented substantially parallel to each other; placing a sheet of material having a higher melting temperature than a molding material across the first end portion of the cavity; and injecting the molding material into the cavity of the mold.

Abstract: A method and system for making plastic cellular parts and thermoplastic composite articles utilizing the cellular parts are provided. The method includes providing a mold having a mold cavity with an interior surface to define the shape of the cellular part and at least one resin flow path extending from an outer surface of the mold to the mold cavity. The method further includes providing first and second sets of projections or pins. The first set of projections extend into the mold cavity from a first direction and the second set of projections extend into the mold cavity from a second direction opposite the first direction. The projections define cells which open to opposing outer surfaces of the cellular part. The method still further includes filling the mold cavity, with the projections extending into the mold cavity, with molten plastic resin from the at least one resin flow path and removing the cellular part from the mold cavity of the mold after the cellular part hardens.

Abstract: A bearing retainer unit is formed by an insert-molding technique to cast a molded component of the bearing retainer unit utilizing a bearing bushing. A first mold die, having a circumferential surface shaped to correspond to at least a portion of the inner circumferential surface of a bearing-positioning portion of the molded component, and a second mold die, having an abutment that abuts against an axial end face of the first die, are readied. A molten material is then injected into the mold to form the molded part, thereby forming the die-parting line on the inner circumferential surface of the component's bearing positioning portion, positioned at the radially outer side of the abutment.

Abstract: A device for extracting the mold core and a mold assembly using the same are disclosed. The extracting device comprises a first gear, a plurality of first racks and a plurality of transmission assemblies, wherein the transmission assemblies and the corresponding first racks are spaced apart along the periphery of the first gear such that each transmission assembly is located between the first gear and first racks. The rotating motion of the first gear is transformed into a reciprocating motion of each of the first racks from a first position to a second position.

Abstract: In the assembly-completed state, the Lower Mold, the Outer Mold, the Upper Mold, and the “inner mold (the integral body of the Pin-holder and the Pin)” are stacked and fixed in this order from the bottom, and the Pin is coaxially inserted into the First Hole of the Outer Mold and the Second Hole of the Upper Mold. In the assembly-completed state, the molding space for molding the ceramic molded body is formed between the surface of the Pin and the First Hole, and the annular minute gap is formed between the surface of the Pin and the Second Hole. The ceramic slurry poured into the Slurry Reservoir Pres formed on the upper surface of the Upper Mold falls and flows into the molding space through the annular minute gap by virtue of the action of gravity or the like.

Abstract: A loading basket (6) for a washing machine (1) comprises a rear wall (8), a front wall (9) opposite the rear wall (8) and a side wall (7) defining an inner space (10) of the basket, as well as one or more dragging blades (12) arranged on the side wall (7) and projecting to the inside of the basket. The side wall (7) comprises a drilling with a plurality of small through holes (13), which are arranged at the vertex of respective domes (14) projecting to the outside of the basket (6), as well as a plurality of rounded projections (18) in the shape of a spherical dome without through holes and projecting to the inside (10) of the basket (6).

Abstract: A composite mandrel includes a generally elongated mandrel body comprising a resilient mandrel core and an elastomeric mandrel outer layer disposed outside the mandrel core. A method for fabricating a contoured stiffened composite panel is also disclosed.

Abstract: A mold unit includes a fixing plate, a mold core retaining plate mounted on the fixing plate, a plurality of mold core holders and a plurality of mold cores. The molding core retaining plate includes a first surface, an opposing second surface facing toward the fixing plate, and a plurality of receiving holes defined therein. The mold core holders are detachably engaged in the respective receiving holes. Each of the mold core holders includes a receiving cavity defined therein. The mold cores are respectively received in the receiving cavities of the mold core holders and are fixable to the fixing plate via the mold core holders. Each of the mold cores includes a molding surface adjacent to the first surface of the mold core retaining plate.

Abstract: An improved molded plastic elbow and a related mold assembly and manufacturing method are provided, wherein the elbow defines an internal flow path having a smoothly radiused inside turn. The elbow is formed by injecting plastic material into a tubular mold cavity formed by closed mold members in cooperation with a pair of slidably retractable core units of circular cross section and having distal ends in mating, angularly set end-to-end contact to form the internal flow path having a turn formed along the length thereof. Each core unit comprises an outer core pin to form an outer portion of the flow path and including a ramped track for slide-fit mounting of an inner slide segment which forms an inner portion of the flow path and further includes a curved inside edge to form a portion of the smoothly radiused inside turn.

Abstract: A Bi-directional rack assembly that rotates one column of threaded cores and unscrews threaded closures while moving in the forward direction. The Bi-directional rack then mechanically changes position to engage an adjacent column of rotating threaded cores and at the end of a second molding cycle rotates the threaded cores and unscrew threaded closures while moving in the reverse (reset) direction. A set of timed-advance devices are engaged by a smaller pinion gear and idler gear assemblies to the Bi-directional rack and as the Timed-Advance devices are activated, they allow pneumatic pistons to advance the stripper plate in time with the threaded closures as they are being unscrewed from the threaded cores. A second “rapid advance” pneumatic piston eliminates the need for an external rapid rise camming feature. A rotating core comprising a stock, rotating core, a stock water-seal insert and a custom core top.

Abstract: Fluid pressure of a first fluid chamber of a driving means, which acts as a back pressure, is monitored by a monitoring means when a core pin is driven by the driving means in an inserting direction before injection of a molten material into a cavity of a die arrangement. When the monitored fluid pressure of the first fluid chamber exhibits abnormal behavior that is different from normal behavior observed during a normal period, the monitoring means controls the driving means to stop the driving of the core pin in the inserting direction.

Abstract: The side walls of a mold have recesses in each of which is mounted a mold core for forming depressions on the outer side of a concrete block which is to be produced in this mold. The mold cores are pivotally supported around a horizontal axis which is parallel to the mold walls on the outer side of the mold. A sloping cam slot on each mold core is used to pivot the mold cores into the mold cavity defined by the mold walls and then back into the recess. The inner edges of a recess closely fit the mold core and function as strippers which self-clean all surfaces of the mold core which have come into contact with the concrete when the mold core is pivoted back into its recess. As a result, time intervals for cleaning the mold cores are greatly lengthened and a clean and smooth surface of the finished concrete block is insured.

Abstract: A liquid dispensing closure for bottles and the like comprising a one-piece body having an end wall for covering the mouth of the bottle and a depending skirt for threading onto the neck of the bottle. A dispensing aperture in the end wall is surrounded by a spout that affords directional control of a stream of liquid being dispensed and reduced dribbling when dispensing is discontinued. A flap is hinged on the end wall to open and close the aperture with an associated depending plug that fits in the spout. The end wall, spout and hinged flap are arranged in a manner relative to one another that permits the flap to be advantageously molded in an upright position.

Abstract: An apparatus and method for molding three-dimensional articles having interstitials. The article has elongate elements and interstitials between the elongate elements. The interstitials may extend entirely through the article, or intercept only the periphery of the article. The article may be formed by injection molding, using two or more mold segments, each having elongate members. The mold segments are separated from each other in a separation direction. The separation direction is parallel to the elongate members of the mold segments and/or the elongate elements of the article. The method and apparatus according to the present invention is useful for making a static mixer, heat exchanger or similar article.

Abstract: An integral three-dimensional article having interstitials therethrough, the three-dimensional article comprises an unconstrained number of axially successive stages. An apparatus and process for molding such a three-dimensional article are also disclosed. The apparatus has members extending into a mold cavity, each member having access to the periphery of the mold cavity. Each stage may nest within an adjacent stage. The nesting may be accomplished by having the end of one stage be convex, while the mating end of an adjacent stage is complementary and concave. The article may be useful as a static mixer, heat exchanger, etc.

Abstract: A molding machine for a concrete mix includes a frame with a vibratible mold having a vertical through cavity with hollow cores extending downwardly in the mold cavity. A pallet receiver with a pallet thereon is movable upwardly to close the bottom of the cavity. Core tops have openings therein and ventilation pins are receivable to block air passage through the core top openings when the pallet is in mold closing position. Cups with bottom openings are in the cores below the top openings to receive and guide the pins and passageways around the pins permit suction-braking air to move past the pins to the cup bottom openings when the pins move downwardly away from the core top openings.

Abstract: A device for forming angled wells in an electrophoresis gel slab includes a device having a plurality of projections oriented at an angle with respect to a longitudinal dimension of the device. A method for forming angled wells in a gel places the device in a gel forming material and allows the material to polymerize to form the electrophoresis gel slab. The device can be removed from the gel slab without distorting or tearing the gel and forming a plurality of substantially uniform sample wells oriented at an angle with respect to the edge of the gel slab. The sample wells are dimensioned to contain a liquid sample for electrophoresis separation. The gel slab can be rotated 90° so that the sample wells are oriented along a vertical edge of the gel slab with the sample wells retaining the liquid sample therein.

Abstract: An array of hollow microneedles is constructed of molded plastic, in which a micro-machining technique is used to fabricate the molds used in a plastic microforming process. The molds are detachable and can be re-used. The preferred process for making the plastic arrays of microneedles is a microinjection technique. In the microinjection method, a molten plastic substance is injected between two micro-machined molds that contain microhole and micropillar arrays. Once the desired shape of the microneedle array has been formed, the mold and the plastic material are cooled down. Next, the molds are separated and the plastic microneedle array is detached from the mold structures.

Abstract: A method and apparatus for forming a plastic component with at least a first and second set of integrally molded castellations for retaining an O-ring therebetween; the component therefrom; and further embracing a method and apparatus for forming such a plastic component comprising one or more filtration windows with filtration material outwardly of the castellations.

Abstract: A method of forming a polymer-based microfluidic system platform using network building blocks selected from a set of interconnectable network building blocks, such as wire, pins, blocks, and interconnects. The selected building blocks are interconnectably assembled and fixedly positioned in precise positions in a mold cavity of a mold frame to construct a three-dimensional model construction of a microfluidic flow path network preferably having meso-scale dimensions. A hardenable liquid, such as poly (dimethylsiloxane) is then introduced into the mold cavity and hardened to form a platform structure as well as to mold the microfluidic flow path network having channels, reservoirs and ports. Pre-fabricated elbows, T's and other joints are used to interconnect various building block elements together. After hardening the liquid the building blocks are removed from the platform structure to make available the channels, cavities and ports within the platform structure.

Abstract: A wax pattern mold and molding process are disclosed for forming a wax pattern of a hollow, thin walled object, in particular, a golf club head. A mold is provided in at least two halves defining a mold cavity. A core made up of a plurality of interfitted parts is placed in the mold to precisely define the thin walls. The core and mold are provided with a registration channel such that the core is properly registered in the cavity to ensure dimensional integrity of the thin walls. Pins, holes, slots, and fingers are provided to lock the core parts together while the wax pattern is formed and to permit the core parts to be disassembled through an opening in the mold without separating the mold halves.

Abstract: A bearing sleeve and method for manufacturing the same enable a bearing to be placed in a captive position in the sleeve by inserting the bearing into a slot in the sleeve and then slidably rotating the bearing to the captive position.

Abstract: A method and apparatus for producing molded fluoropolymer sweep elbows with straight threadable ends that minimizes distortion of the fitting. The apparatus comprises a mold core or insert that is comprised of multiple curved segments which are retracted from the mold individually. The mold core is divided into two or more pieces on a curved plane parallel to the curved central axis of the core and the segments thus formed are retracted from the mold by a combination of arcuate and translational motions to avoid distortion of the fitting ends.

Abstract: A method of forming a number of air vent holes in a rear case of a liquid crystal flat plate display (LCD) monitor and an apparatus therefor. The method includes forming a number of air vent holes on an incline plane of the rear case using a first metal mold and a second metal mold, such that pin holes are formed in the first metal mold and protrusion pins are installed in the second mold so as to be respectively inserted into the pin holes, to form respective air vent holes. The molding is performed in a state that the protrusion pins are inserted into the respective pin holes during injection of a solution which forms the rear case.

Abstract: In an optical connector for positioning and fixing the distal end of a fiber optic ribbon cable with a connector ferrule, a guide-pin hole is formed in a mating end connected with another optical connector. A pair of positioning guide pins are inserted into the respective guide-pin holes. The guide-pin hole has an enlarged region whose diameter gradually increases toward the opening end portion of the mating end.

Abstract: An injection mold for forming a pattern for use in investment casting having mold sections carrying two pattern-forming surfaces and a translatable third pattern-forming element movable on a mold section. The mold also includes an inner core. Parting lines are located at inconspicuous locations by sizing and shaping the mold sections. The method of use of the injection mold includes employing an arrangement for facilitating lower mold section and for raising the inner core to facilitate its removal.

Abstract: A method and apparatus for the manufacture of fiber reinforced structures. The tooling and its use for the manufacture of reinforced structures is described and illustrated.