Abstract: A helical antenna having an antenna element covered with an insulating layer is formed by monolithically form the insulating layer so that the antenna element is integrated with the insulating layer. To be more precise, first, a cylindrical shell, which received a core pin in its center hole, is inserted into the antenna element along the longitudinal axis of the antenna element. The antenna element is put in a cavity of a molding die. A moulding resin which was heated and molten at a temperature higher than the melting point of the cylindrical shell is injected into the cavity to form an insulating cover over the cylindrical shell and the antenna element. The surface of the cylindrical shell starts softening upon contacting with the molten resin, and sticks around the helically coiled antenna line, whereby the pitch of the antenna element can be maintained substantially constant even if an injection pressure is applied during the molding.

Abstract: In a method of producing a composite insulator having a core member, end fitting members fixed to both end portions of the core member, and an overcoat member including a sheath portion formed on an outer surface of the core member and shed members, the overcoat member and the end fitting member are connected by curing. Moreover, a clamping operation is performed or a packing member is used for preventing a flow of an overcoat forming material into a seal portion. In this manner, it is possible to improve a seal performance of a connection boundary between the end fitting member and the overcoat member.

Abstract: A helical antenna having an antenna element covered with an insulating layer is formed by monolithically form the insulating layer so that the antenna element is integrated with the insulating layer. To be more precise, first, a cylindrical shell, which received a core pin in its center hole, is inserted into the antenna element along the longitudinal axis of the antenna element. The antenna element is put in a cavity of a molding die. A molding resin which was heated and molten at a temperature higher than the melting point of the cylindrical shell is injected into the cavity to form an insulating cover over the cylindrical shell and the antenna element. The surface of the cylindrical shell starts softening upon contacting with the molten resin, and sticks around the helically coiled antenna line, whereby the pitch of the antenna element can be maintained substantially constant even if an injection pressure is applied during the molding.

Abstract: A injection molding device for manufacturing golf balls is disclosed. The device includes first and second hemispherical mold halves that form an interior cavity where the injection molding process occurs. A plurality of retractable pins are preferably used to support a core within the mold cavity. The first and second mold halves further include a plurality of subgates. The subgates are connected to a runner system for delivery of a fluid stock material into the void of the cavity. The plurality of subgates includes a first and second set of subgates. The first set of subgates and the second set of subgates enter the respective cavities at an angle between 30 and 40 degrees to the parting line.

Abstract: The invention relates to a method for applying the main insulation of conductor bars, in particular conductor bars for stator windings, whereby the conductor bars have a rectangular cross-section. The method comprises the following steps: insertion of a conductor bar with ends in an injection mold; centering of the conductor bar in the injection mold so that a void for holding an insulation material remains between the conductor bar and the injection mold; filling of the void with an elastomer in order to form the main insulation.

Abstract: An improved golf ball injection process and mold uses electrically driven part ejection mechanisms as actuators to control retractable core pins that support a preformed core in a spherical mold cavity. The electrically driven, actuator controlled pins can be precisely and independently controlled in both the upper and lower mold segments to achieve the desired positioning and velocities in the vertical axis, with varying degrees of pinch to hold the spherical core inserts. The forward and retract position of the core pins, as well as the ability to profile pin velocities, can be easily adjusted by the molding machine's computer process controller without changing mechanical stops internal to the mold. The sequence timing can be set so that the core insert can be suspended and encapsulated by plastic with varying timing, allowing for the core insert to be shifted during the molding process.

Abstract: A method of molding a layer around a body within a mold, in which the body is positioned within a mold cavity defined by opposing mold portions of the mold, to leave a cavity space between the body and the mold portions at least partially surrounding the body. Layer material is injected into the cavity space around the body when the mold portions are in a partially open position. The mold portions are compressed towards each other to a compression molding position to compression mold the layer material around the body.

Abstract: A method of molding a layer around a body within a mold, in which the body is positioned within a mold cavity defined by opposing mold portions of the mold, to leave a cavity space between the body and the mold portions at least partially surrounding the body. Layer material is injected into the cavity space around the body when the mold portions are in a partially open position. The mold portions are compressed towards each other to a compression molding position to compression mold the layer material around the body.

Abstract: An insert is held in a cavity within a die set by a movable hold member. Molten resin is injected into the cavity when the insert is held by the hold member. The hold member is separated from the insert at a given timing. A surface of the hold member is heated to a temperature higher than a temperature of an inner surface of the die set. The hold-member surface contacts the molten resin. The die-set inner surface is exposed in the cavity.

Abstract: The present invention comprises products of and methods for producing complex shapes of composite molded articles, including snowboards, that meet or exceed the aesthetic, cost and performance requirements expected of similar non-molded composite articles. The injection molded or co-injection molded snowboard comprises a top surface and a bottom surface shaped to provide a center portion, at least one tip or tail portion and edges along the sides of the center portion, wherein the bottom surface is a substantially smooth continuous surface, the center portion is cambered away from the top surface and contains metal edges along the sides of the bottom surface center portion, the tip or tail portions are curved away from the bottom surface of the snowboard and the top surface contains binding mounts or screw threads flush mounted to secure bindings.

Abstract: A modular building unit (1-6, 1A) including a building block (10, 10A) having lower and upper faces (9, 9A, 11, 11A), side faces (12, 12A, 13, 13A) and end faces (14, 14A). At least the lower and upper faces are provided with mounting strips (21-24, 53A, 54A) interfit with mating mounting strips (21-24, 53A, 54A) on similar adjacent modular building units (1-6, 1A) to join the adjoining building block units (1-6, 1A) in predetermined dimensionally accurate relationships. A method of securing the mounting strips (21-24, 53A, 54A) to the building block or brick (10, 10A) and the method of interlocking and securing adjacent modular building units (1-6, 1A) to each other are disclosed. A preferred embodiment of mounting strips (53A, 54A) is shown in FIGS. 8-10. A mold (203) is shown in FIG. 12 for the preferred method of forming a building block or brick (200).

Abstract: A noise abatement wall is assembled from a plurality of vertically-cast wall sections, and mounted either on a wall or a plurality of caissons, in a tongue and groove type assembly.

Abstract: A method for manufacturing a multilayered plastic pipe particularly suitable for use as an intake manifold of an internal combustion engine is provided. The method includes the steps of forming a hollow plastic core, providing at least one spacer member on the hollow plastic core, supplying a molten plastic material into a mold cavity and applying a compression force to the material inside the cavity to form an outer layer integrally on the outer peripheral surface of the hollow plastic core. The spacer member prevents the hollow plastic core in the mold cavity from being deformed when a molten plastic material is supplied into the mold cavity under pressure.

Abstract: A method and apparatus for encapsulating a ring-shaped member, such as a wound coil of wire, a wound metal ribbon, or a metal composite material. The ring-shaped member is mounted upon a mandrel. The mandrel and the mounted ring-shaped member are positioned in a first mold. A thermoplastic material is injection molded peripherally about a first inner void between the mandrel and the ring-shaped member and a first outer void between the first mold and the ring-shaped member. The mandrel is moved with respect to the ring-shaped member. The mandrel and the re-mounted ring-shaped member are positioned in a second mold. The thermoplastic material is injection molded into a second inner void between the mandrel and the ring-shaped member and within a second outer void between the second mold and the ring-shaped member. The second fill of the thermoplastic material joins with the first fill to fully encapsulate the ring-shaped member.

Abstract: A novel method and apparatus for indicating a degree of manufacture of an insert molded component useable in an end use assembly by forming a removable appendage protruding from the insert molded component, or article, manufactured to an intermediate degree, the insert molded component having a lead frame at least partially embedded in a molded housing member, and the removable appendage coupled to at least one or both of the lead frame and the molded housing member, the lead frame having at least two electrical conductors coupled separably by a tie member, the removable appendage removable upon or after electrical isolation of the electrical conductors in a subsequent processing step, whereby the presence of the removable appendage is indicative that the electrical conductors are not electrically isolated, or that the insert molded component has not been tested or inspected subsequent to electrical isolation of the electrical conductors, and whereby the removable appendage is configured to prevent use of the

Abstract: An injection mold for golf balls defines a spherical cavity therein and has a parting plane extending coplanar with the equator of the cavity. A plurality of molding material injecting gates are arranged in the mold body along or near the cavity equator, and a plurality of retractable core support pins are disposed in the mold at areas other than the cavity equator and poles so that the core support pins may be moved toward and away from the cavity center. A cover having a uniform gage and a smooth surface can be injection molded to produce a golf ball without radial misalignment of the core.

Abstract: The present invention is directed to the formation of a golf ball layer by injection molding the layer material into the mold cavity through a ring gate. After the golf ball core is securely positioned within an injection mold, layer material from at least one primary runner is introduced into a secondary runner that extends substantially around the mold cavity. The secondary runner fills with layer material until pressure within the secondary runner causes the layer material to be injected into the mold cavity through the ring gate. Injection of layer material continues until the mold cavity is completely filled. The layer material then cools and the ball is removed from the mold.

Abstract: A construction block is disclosed along with a method of producing and assembling a plurality of the construction blocks where the blocks have internal cages around a central passage, said central passage opening to top, bottom or side openings in the blocks, and from which cage support rods extend to hook chain lifts to the blocks and to guide bottom openings of top blocks into predetermined alignment with the top opening of the bottom blocks. The casting technique allows not only for the novel lifting and alignment construction of the blocks, but also allows for novel external and internal features to be incorporated into the blocks, such as studs, mounting bolts for interior walls and bricks or brick facades for the exterior walls of the blocks.

Abstract: A candle stand and wax recycling assembly for capturing, retaining, and forming wax run-off from a first candle as the first candle burns during use. The candle stand and wax recycling assembly includes a platform assembly adapted for supporting a first candle, a receptacle coupled beneath said platform assembly adapted for receiving melted wax, a wick member, and a wick holding assembly.

Abstract: The invention relates to a simplified integrated steering wheel assembly and a simplified method for forming the integrated steering wheel assembly. The integrated steering wheel assembly has a one-piece steering wheel armature and an airbag scrim. A cover is molded over a portion of the steering wheel armature and a portion of the airbag scrim. The airbag scrim forms a cavity for placement of an airbag and an airbag inflator between the airbag scrim and a hub portion of the steering wheel armature. The method of the invention includes use of a plurality of positioning pins and a vacuum force to position the airbag scrim relative to the steering wheel armature and mold during the possess of molding the cover over a portion of the steering wheel armature and a portion of the airbag scrim.

Abstract: A golf ball having a cover thickness of 3.0 to 5.0 mm is produced by a process which includes providing a core; covering the core with a cover composition to form a first cover layer having a thickness of 30 to 70% of a total cover thickness; and further covering the first cover layer with the same cover composition to form a second cover layer having a thickness sufficient to form the total cover thickness.

Abstract: A golf ball has a core and a cover, and the cover includes at least one thin spherical layer with a thickness of not more than 1.5 mm. The thin layer is molded by injecting an injection molding material at a selected fill speed which is correlated to the melt flow rate of the molding material. The invention facilitates the mass production of golf balls having thin spherical cover layers of uniform thickness which offer potential for further improvements in ball performance.

Abstract: A gear pump comprises a housing having an inlet and an outlet. A first and second gear each have gear teeth which are in engagement with each other. The first gear is a rotor gear which is journaled within the housing and is drivable. It includes means for driving the first gear in order to move relative to the second gear, such as to pump a fluid from the inlet to the outlet of the housing.The housing includes inner housing parts encasing the gears and a single piece mold around the inner housing parts enclosing the gear pump.

Abstract: A method for mass producing midsoles for articles of footwear includes the following steps: forming first midsole portions of an article of footwear in predetermined sizes with a hollow area for receiving an insert and an aperture in at least one side of the first midsole portion for viewing the insert; forming inserts in predetermined sizes and shapes for placement in the hollow area of the first midsole portions; matching the predetermined size of the inserts to one or more predetermined sizes of first midsole portions; forming the size and shape of the hollow area and aperture for a given size first midsole portion to accommodate the predetermined size and shape of the insert; placing inserts into the hollow area of size matched first midsole portions; adjusting the position of the at least one aperture gasket along the side of the mold to align with the aperture in the first midsole portion; inserting the aperture gasket into the aperture of the first midsole portion to completely seal the aperture; pouri

Abstract: The encapsulated transducer (10) includes an injection molded encapsulation (20) having a front end (22) and a back end (24). The encapsulation (20) ensconces a sensing element (40) proximate the front end (22) and a portion of a cable (60) which extends from the back end (24). The sensing element or coil (40) is electrically and mechanically connected to the cable (60) by a pair of suitably sized front and rear ferrules (80), (90) secured to a center and coaxial conductor (66), (70) of the associated cable (60) thereby forming a coil and cable assembly (110). At least the rear ferrule (90) includes a shoulder (100) for firmly anchoring the coil and cable assembly (110) within the encapsulation (20). In addition an injection molding process provides the durable encapsulation (20) which bonds with a dielectric (68) of the cable (60) and symmetrically locks the coil and cable assembly (110) therein.

Abstract: The present invention is directed to a retractable sleeve for a golf ball injection mold for forming a golf ball cover or intermediate layers of a golf ball. The retractable sleeves engage with a golf ball core to securely position the core within the injection mold and may be used to strike the golf ball out of the mold cavity after the injection molding process is completed. The faces of the retractable sleeves may be shaped to conform to the curvature and texture of the cavity wall of the golf ball mold.

Abstract: An injection mold includes a pair of mold sections which are removably mated to define a spherical cavity by their concave surfaces, support pins disposed in the mold sections for movement into and out of the cavity, and gates connected to the cavity for feeding a cover molding material from an injection molding machine into the cavity. A golf ball having a core and a cover is prepared by supporting the core in the cavity by the support pins, and injecting the cover molding material between the core and the cavity-defining surface through the gates, thereby molding the cover around the core. The gates are oriented relative to the cavity such that the cover molding material is injected in a direction off the center of the core.

Abstract: A golf ball injection mold defines a spherical cavity therein. A parting plane is situated substantially at an equator of the cavity. A plurality of gates are disposed nearly along the equator. At least one gate is disposed nearly at a position corresponding to the cavity's north pole and at least one gate disposed nearly at a position corresponding to the cavity's south pole. A molding material is injected from an injection molding machine into the cavity through the gates. A steric arrangement of gates adapted to the cavity geometry permits a cover or intermediate layer of a uniform thickness to be formed around a core.

Abstract: Articles, such as components of an injection-molded multi-component product, are repositioned within a space, such as the space between mold parts, that is accessible for repositioning only during a series of periods, such as open-mold periods, that are separated by intervals of less accessibility for repositioning, such as closed-mold intervals by (a) moving a first article, such as a first component of a first multi-component product, from a first position within the space to outside of the space during a first such period; and (b) moving a second identical article, such as a first component of a second multi-component, from outside of the space to a second position within the space during the first such period. Both the movement of the first article and the movement of the second article are by means of a common vehicle, such as a common robot arm.

Abstract: An electrical connector is encapsulated with a uniform thickness of a transparent insulating material, preferably a clear PVC. The transparent insulating covering permits visual inspection of wires inserted into the connector before tightening the set screws to insure proper installation of the wire. Clarity of the insulating material over the entire connector is achieved by using the injection molding process, which also results in a uniform thickness of the insulating material over the body of the connector as well as cylindrical extensions for the wire and set screw openings.

Abstract: A mold for forming a wire harness includes a trough having a concave surface. A plurality of wire supports extend into the trough for supporting a plurality of wires in the trough and spacing the wires away from the concave surface. A polymer sheath material is introduced into the trough, thereby encasing the wires.

Abstract: A motor vehicle dashboard including a body made of injection-molded plastic form, and at least one air duct integrally molded with the dashboard body. The air duct is produced by means of an at least partially absorbable removable insert, particularly an inflatable balloon.

Abstract: A method of tiling a plane surface using a tiling table, after which the tiling is shifted over to the finishing stage. In the table by means of several perforated lines positioning guides for each tile are formed by fixing stoppers into the holes of said perforated lines, whereupon the tiling apparatus including tile packs is moved over the table. The tiles fall off each in its turn from the apparatus and take their position determined by the stoppers.

Abstract: An insert is held in a cavity within a die set by a movable hold member. Molten resin is injected into the cavity when the insert is held by the hold member. The hold member is separated from the insert at a given timing. A surface of the hold member is heated to a temperature higher than a temperature of an inner surface of the die set. The hold-member surface contacts the molten resin. The die-set inner surface is exposed in the cavity.

Abstract: A method of forming a golf ball by forming a core center, forming a laminate of core material, forming the laminate around the core center to form a core and forming a cover around the core. The laminate preferably consists of at least three layers of different polybutadiene rubbers.

Abstract: The invention relates to a method and apparatus for providing a casing for a sensor which is to be thin-walled in places. The principle of the invention is to align the sensor circuit precisely and completely seal it in plastic using separately actuatable support devices and a slowly curing plastic.

Abstract: A decorative sheet including a decoration and a process for forming the sheet are disclosed. This process comprises the following steps:using a mold consisting of at least two parts, at least one part of which is formed of at least two elements, at least one element (5) corresponding to the medallion and at least one other element (6) corresponding to the periphery of the piece, around the medallion;placing the decorative sheet (20) on the element corresponding to the medallion and closing the mold;within the cavity of the mold, isolating the space (23) located below the decorative sheet from the peripheral space (21);injecting plastic material in succession into the spaces thus isolated; andejecting the piece obtained.

Abstract: According to the invention, a novel guide member for integrally forming the fastening parts with the urethane mold and an integral molding method using the guide member are provided. The guide member includes a guide body that has an extended body which includes concave cross-section and at least one open end (4, 7), and isolation members (5, 6) provided near the ends of said guide portion. The isolation members are detachable, and by engaging with the fastening surface of the fastening parts, they effectively block any seepage of liquid foaming raw material. With the integral forming method using said guide member of the invention, it is possible to embed the ends of the fastening parts within the urethane molding and to improve its peeling strength at low cost.

Abstract: A method of eliminating difficulties in holding inserts at the time of molding, and for ensuring the inserts at predetermined positions is provided. According to this method, the edges of the inserts are alternately arranged in a stair-like state. These edges are held by a stair-like holding portion formed by an upper metal mold and a slide metal mold, and/or a lower metal mold and another slide metal mold, so that they can be secured at predetermined positions. Thereafter, resin is injected into the cavity formed inside the metal molds.

Abstract: A method of producing a three-dimensional shaped plastic foam part comprises the steps of mixing plastic foam granules of a predetermined range of sizes and of different hardness in a predetermined mixing ratio to obtain a mixture of the plastic foam granules, mixing the mixture of the plastic foam granules with a liquid primary material until the granules are coated with the liquid primary material and a mixture of coated plastic foam granules is obtained, feeding a preset quantity of the mixture of coated plastic foam granules into a mold cavity of a mold closed on all sides, reducing the volume of the mold cavity at least in partial regions thereof after it has been filled with the mixture of coated plastic foam granules, triggering a reaction of the liquid primary material by applying pressure and heat until a continuous cellular structure of plastic foam has been formed and the plastic foam granules have been interconnected by the cellular structure of plastic foam after the volume of the mold cavity has

Abstract: A precast, prestressed concrete joist having web openings through which mechanical and electrical equipment may pass. In an exemplary embodiment, the joist comprises generally horizontal opposite top and bottom concrete members with a concrete web interposed between them. This web may have openings through which mechanical and electrical equipment may pass. Prestress steel strands may extend lengthwise through both the top and bottom members to provide prestress in the concrete joist. The concrete joist may further comprise strand restraining devices for deflecting the prestress steel strands. The precast, prestressed concrete joist having a web opening may be constructed using a reusable casting apparatus. This casting apparatus comprises a prestressing bed onto which a frame may be mounted. The frame provides a means of applying tension to the prestress steel strands and of supporting prestress strand restraining devices.

Abstract: A construction block is disclosed along with a method of producing and assembling a plurality of the construction blocks where the blocks have internal cages around a central passage, said central passage opening to top, bottom or side openings in the blocks, and from which cage support rods extend to hook chain lifts to the blocks and to guide bottom openings of top blocks into predetermined alignment with the top opening of the bottom blocks. The casting technique allows not only for the novel lifting and alignment construction of the blocks, but also allows for novel external and internal features to be incorporated into the blocks, such as mounting bolts for interior walls and bricks or brick facades for the exterior walls of the blocks.

Abstract: In preparing a golf ball comprising an inner cover (8) and an outer cover (13) around a core (5), an injection mold is used for the injection molding of the inner cover. The mold has a molding surface defining a cavity (4) and a plurality of opposed support pins (6) adapted to be moved into and out of the cavity with respect to the molding surface. The inner cover is formed by supporting the core in the cavity by means of the support pins, leaving a space between the core and the molding surface, injecting a molding material into the space, and curing the injected molding material while support pins are being projected into the cavity and/or support pins have been withdrawn behind the molding surface, thereby forming around the core the inner cover (8) having recesses (12) and/or protrusions (14).

Abstract: Golf balls are prepared using an injection mold defining a spherical cavity and having a plurality of gates for admitting a molding material into the cavity therethrough. The gates are arranged such that the maximum flow distance that the molding material admitted from each gate moves along the cavity-defining wall may be not greater than .sqroot.3.pi.r/4 wherein r is a radius of the cavity. Golf balls of quality having a cover with a uniform gage of 1 mm or less can be molded without short shots.

Abstract: A screw connector is manufactured with an injection metal mold. The screw connector includes a connector main body and a nut embedded in the connector main body. An axis of the nut extends in a forward and backward direction of the connector main body. The screw connector further includes a first opening located on a front side of the nut for receiving by a bolt of a mating connector and a first columnar space located on a rear side of the nut for receiving a distal end portion of the bolt. The method includes three steps. The first step is setting the metal mold in such a state that the nut is held by a front projection portion and a rear projection portion. This front projection portion projects rearwardly and has a small diameter portion and a portion having larger diameter than said small diameter portion. This rear projection portion projects forwardly so as to be in contact with a rear end face of said nut. The second step is injecting a melted resin in said metal mold.

Abstract: This invention provides an improved apparatus and method for encapsulating the solder ball interconnections of an integrated circuit assembly which accommodates the use of high viscosity encapsulating materials and enables flush molding to be accomplished without substantially altering the exposed surface of the integrated circuit chip. In accordance with the preferred embodiment of this invention, an integrated circuit chip assembly including an integrated circuit chip mounted on a chip carrier or directly on a circuit board in a standoff relationship by solder ball connections is provided. A mold is placed over the integrated circuit chip. The mold of one embodiment has a compliant material disposed on the molding surface of the mold cavity. The mold also has at least one inlet hole for dispensing encapsulant into the mold, at least one opening for applying a vacuum to the mold and at least one vent.

Abstract: A method and assembly (20) to form a cast concrete panel (21). The assembly (20) has end beams between which tendons (23) can pass. The beams need to be able to support tensioning of the tendons. Transversely extending form members (25) cooperate with form members (27) to enclose a space to receive concrete to form the panel (21). The tendons (23) pass through the space.

Abstract: A temperature sensor forming method and forming die are provided which perform insert-forming of a temperature sensor with a minimum of processes and in a short time. The temperature sensor formed has a temperature sensing element 1 arranged in a predetermined position inside a resin case 2. The process does not leave traces of pins that would allow water to penetrate the interior of the case. The process comprises a first step of supporting the temperature sensing element 1 with first and second slide blocks 6c and 6g. The process comprises a second step of injecting a molten forming resin 2a into a forming die 6 and retracting the first slide block 6c by injection pressure while the temperature sensing element 1 is being supported by the second slide block 6g. The process comprises a third step of retracting the second slide block 6g while injecting the molten forming resin 2a into the forming die 6.

Abstract: The invention encompasses an overmolding process which includes the steps of inserting a flexible one-way valve into a plastic conduit, inserting the conduit with the valve at least partially onto a mold core, radially expanding at least a portion of the mold core from a first radial position to a second extended radial position, molding a polymer over at least a portion of the mold core and the plastic conduit, and radially contracting at least a portion of the mold core from the second extended radial position to essentially the first radial position. The radial expansion and contraction is in response to axial movement of a tapered shaft from a first axial position to a second expanded axial position, the shaft having a first diameter and a second diameter at a terminal end of the shaft, the second diameter being smaller than the first diameter. The axial shaft movement is in response to a controllable supply of a compressible gas which overcomes the biasing force of a spring to move the piston shaft.

Abstract: A method of forming an opening in a concrete structure. The method includes providing reinforcement wire for reinforcing the concrete structure. First and second bodies are attached to the reinforcement wire at a selected location so that the first and second bodies are on opposite sides of the reinforcement wire. The concrete structure is formed over the reinforcement wire. The first and second bodies are removed from the concrete structure to expose the opening.