Abstract: An insert molding method includes holding a plurality of insert members in a molding die to be separated from one another, and subsequently filling a resin into the molding die to fill a gap between the insert members and a periphery thereof with the resin to form an insert molded product such that the insert members are separated at a preset interval from one another. The molding die includes a space-maintaining projection for maintaining a separation interval between the insert members at the preset interval or more, the projection being formed on an inner wall surface of the molding die opposite to a longitudinal end of the insert members, and a gate for filling the resin therethrough into the molding die, the gate being formed on an inner wall surface of the molding die opposite to a side of the insert members in a width direction thereof.

Abstract: The present invention provides a hollow body molding device which allows easy confirmation of passage of a floating core through a molded body and facilitates quality control at the site.

Abstract: An undercut mold insert apparatus is disclosed for forming an undercut on an inner surface of a molded part. The apparatus provides, in an exemplary embodiment, a disk substantially shaped to approximate the dimensions of the object that is to be subsequently positioned within the undercut, the disk itself comprising an inner portion and a substantially circumferentially integral perimeter portion. The perimeter portion is configured for forming the undercut. The inner portion is configured for at least partially radially collapsing when appropriate force is applied thereto. As such, during the molding process, in which the apparatus is appropriately positioned within and subsequently forms the undercut of the molded part, upon cooling of the molded part, the inner portion is able to at least partially radially collapse, allowing substantially the entire perimeter portion to be disengaged from within the undercut before the apparatus is removed therefrom.

Abstract: A part for a mobile electronic device is molded by providing a three dimensionally textured film in a mold. A moldable polymer is provided in the mold over the film and molded into a shape of the part. The part is removed from the mold, and the three dimensionally textured film is removed from the part.

Abstract: The invention provides a device for injecting a resin into at least one fiber layer of a fiber-reinforced product (5) to be manufactured, comprising a mold (2, 3) having a mold cavity (4) that is surrounded by a mold wall for abutment of the product thereagainst in the closed condition of the mold. A rigid part (3a, 3b, 3c, 3d) of the mold wall is movable with respect to another part of the mold wall in the closed condition of the mold so as to ensure a continued abutment of the movable part of the mold wall with the products when shrinkage of the resin caused by curing thereof takes place subsequent to the injection process.

Abstract: An injection mold assembly for manufacturing multiple-component articles includes opposed first and second mold halves and mold cores carried by the first mold half. Each of the mold cores is mounted for rotation between a first position and a second position about an axis of rotation. The mold halves are mounted for movement in reciprocal directions along an axis of reciprocation between an open position and a closed position forming molding cavities between the mold cores and the second mold halves. The axes of rotation of the mold cores are different from one another.

Abstract: A mold includes a controller and core actuators that may independently drive a plurality of mold cores positioned with the mold. Sensors may be included whereby the mold cores are positioned in the mold core responsive to the sensor feedback. The core actuators may be servomotors and may further include motor controllers, one for each servomotor, for use in actuating the mold cores.

Abstract: Methods, devices, and systems for manufacturing ophthalmic lenses using direct injection molding are described. The present methods, devices, and systems include a mold block having a first mold insert and a second mold insert defining a lens-shaped cavity between them. A raised non-uniform region that projects into the lens-shaped cavity is incorporated in a peripheral zone of the molding surface of at least one of the mold inserts. When an ophthalmic lens is formed using the described mold block, at least one depression is produced in the lens. A gate placed at the non-uniform region allows the depression to hide any gate witness that may form when the mold is closed or separated.

Abstract: An injection mold for molding a product having a hook portion includes a stationary mold, a return pin, a movable mold, an ejector mechanism and a plurality of ejector pins for ejecting the product out of the injection mold. The movable mold defines an inserting perforation, a receiving groove and a receiving gap. The ejector mechanism includes a slide block located in the receiving groove, a supporting bar stretching into the receiving groove, and an inclined ejector pin having a tail at a top thereof movably inserted in the inserting perforation and fastened on the slide block. The slide block is pressed downward by the return pin when the injection mold is closed. When the injection mold is opened, the slide block drives the inclined ejector pin to move upward and sideward under an upward push of the supporting bar to make the hook portion parted from the tail.

Abstract: An injection mold includes a first mold base, a first mold core, a second mold base, a fastening member, a second mold core and at least one elastic member. The first mold core is fixed to the first mold base, and the fastening member is fixed to the second mold base. The second mold core is movably mounted on the second mold base for engaging with the first mold core to fabricate a workpiece. The at least one elastic member acts as a shock absorber between the fastening member and the second mold core.

Abstract: An injection-compression molding apparatus for producing a shaped plastic part has a first mold plate and a second mold plate, which delimit a component cavity and between which there is a gap in the non-closed state. The apparatus further comprises a plastics compound feeding arrangement for introducing plastics material through the gap into the component cavity, having a gate cavity which is substantially separated from the component cavity when the gap is closed.

Abstract: The invention relates to a slide mechanism comprising an ejector shaft (2) with a first end portion (2c) attached to a mobile ejector plate (3), a second conical end portion (2a) which ends in a protrusion (2b) coupled to a cam (6), the protrusion (2b) acting as a rotation shaft on which the cam (6) can oscillate; a wedge-shaped slide (5) with a molding portion (5d), an inclined segment (5a) between a push surface (5b) which is in contact with the part to be obtained (10) and a base segment (5c) and a sliding passage (14) which extends through the slide (5) in which at least one portion of the cam (6) slides in parallel with the negative (11a); a fixed sliding support (4) with an axial passage (4a) through which the ejector shaft (2) axially slides, and a slope (4c) on which the inclined segment (5a) of the slide (5) shifts, with a complementary inclination to that of the inclined segment (5a) of the slide.

Abstract: A method of manufacturing a fluid reservoir (1) for associating with a dispenser member (4), such as a pump, so as to constitute a fluid dispenser, the reservoir (1) including an inside surface (12) that is circularly cylindrical and that defines a slide cylinder in which a follower piston (2) slides in leaktight manner, the reservoir (1) including an outside surface (13) of any shape that is spaced apart from the inside surface by a wall thickness (Emin) that varies, the method comprising molding the reservoir (1) in a mold with a melt of plastics material, the method being characterized in that the inside surface (12) is formed by a non-circularly-cylindrical molding pin, so as to take account of phenomena of material shrinkage after cooling, so as to obtain an inside surface (12) that is circularly cylindrical.

Abstract: An injection mold for molding an electronic product which has a terminal includes a movable mold, a first sliding block levelly defining a through-hole, a second sliding block, a supporting pole and a stationary mold. A top of the movable mold defines an opening of which a bottom defines a fastening hole for fastening a bottom of the terminal therein. An inner sidewall of the second sliding block defines a groove for restraining a top of the terminal. The first and second sliding blocks are located at two opposite sides of the opening to together define a cavity for molding the electronic product. The supporting pole is movably inserted in the through-hole and stretches into the cavity to resist against the top of the terminal. The stationary mold is positioned on the first and second sliding blocks, and defines a sprue channel connected with the cavity.

Abstract: A mold for manufacturing a composite drive shaft, most of which, except for opposite ends functioning as power transmission parts, has a tubular shape with a circular cross-section similar to that of a general shaft, and the shape of each end of which is changed so as to realize easy removal of the drive shaft from the mold after molding. Further, the present invention provides a composite drive shaft, which is manufactured using the mold and is configured such that, when a connection joint (metal yoke) is assembled with each end of the drive shaft, the drive shaft can be rotated in an integrated state realized by the connection joints. Thus, the composite drive shaft of the present invention can directly transmit power, instead of a mechanical fastening jointing technique or an adhesive bonding jointing technique, thus efficiently transmitting high torque.

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

Abstract: A mold includes a female mold defining a receiving space and a male mold including a body and a core protruding from the body. The male mold and the female mold cooperatively define a molding cavity for forming a molding product. The core includes a distal end portion inserted into the receiving space. The distal end portion is configured for forming a through hole of the molding product. The female mold includes two protruding ribs arranged at a parting line between the female mold and the core. The protruding ribs of the female mold is located on opposite sides of the distal end portion, and extend around the distal end portion. The core includes two protruding ribs formed on the distal end portion at the parting line between the female mold and the core. The protruding ribs of the core extend around the distal end portion.

Abstract: A mold for molding an optical fiber connector having a number of lens portions with a flat surface or a curved surface, is provided. The mold includes an upper molding portion, a lower molding portion, a first insert, a number of second inserts and a fixing portion. The first insert includes a number of curved molding portions and a flat molding portion. The upper molding portion, the lower molding portion, the first insert and the fixing portion cooperatively define a molding space. A distal end of each second insert is inserted into the molding space. The first insert is moveable relative to the second insert such that the curved molding portions or the flat molding portion is selectively exposed in the molding space and is opposite to the distal ends of the second inserts.

Abstract: The present invention refers to a method and to a device fro producing a molded port having a plurality of different decorative regions that abut each other, wherein the different decorative films (9, 10) are inserted into a molding tool (1) by a gripper (4). There they are fixed be means of sliders (8) and are then back molded with a thermoplastic material.

Abstract: A mold for molding optical fiber connector includes a core pin, a core mold and a cavity mold. The core pin has insertion portion and a blind hole forming portion. The core mold defines a hole for receiving the insertion portion. The cavity mold attaches to the core mold and cooperatively defines a molding cavity for forming the optical fiber connector. The cavity mold includes a lens forming portion and a support block in the molding cavity. The core pin aligns with the lens forming portion and the blind hole forming portion thereof is exposed in the molding cavity. The support block is configured for holding the blind hole forming portion and maintaining alignment between the core pin and the lens forming portion.

Abstract: An injection molding machine includes a moving platen. The moving platen includes a fixed support and an ejector assembly. The fixed support includes a first and a second adjustment motors, and a first and a second adjustment shafts. The first and second adjustment motors are connected to the first and second adjustment shafts respectively. The ejector assembly includes two guide shells, two drive shafts, two ejector pins, and two guide protrusions. Each guide shell is positioned in the fixed support and receives one drive shaft and one ejector pin. Each drive shaft engages with a corresponding ejector pin and is capable of driving the corresponding ejector pin to move back and forth in the guide shell. Each guide protrusion extends outwards from a corresponding guide shell. Each of the first and second adjustment shafts engages with a corresponding guide protrusion and is capable of moving the corresponding guide protrusion.

Abstract: An ejector apparatus for an injection molding machine, includes ejector pins mounted to a movable ejector plate and drivable by a drive device for ejecting injection molded parts from a cavity of an injection molding tool. The ejector plate is displaceable by the drive device with a given normal ejector force acting on an injection molded part. There is provided a reinforcing mechanism which, when there is a jammed injection molded part, reinforces the ejector force acting on the injection molded part to an increased additional ejector force for ejecting the jammed injection molded part above the given normal ejector force which can be or is made available by the drive device.

Abstract: The dimensions of a portion of an injection molded hollow product formed in a mold cavity between a first cavity surface of a cavity section and a first core surface of a core section are adjusted by adjusting the position of the first cavity surface relative to the position of the first core surface so that the first cavity surface and the first core surface are in a selected relative position when the cavity section is combined with the core section and a protractible and retractable core part is protracted so that a cavity abutment mold part can be connected directly to the protracted core part and the cavity abutment mold part also can be connected indirectly to the protracted core part by a series consisting of abutting mold parts. This series includes a pair of abutting rotatable eccentric rings, which are rotated to adjust the relative positions of the first cavity surface and the first core surface.

Abstract: A mold for forming a temporary prosthesis has at least two mold members at least partially separable from each other. The at least two mold members cooperatively define a generally enclosed interior cavity for forming the temporary prosthesis. The mold has a securement structure mounted on the at least two mold members for securing the at least two mold members to each other during the forming of the temporary prosthesis. The securement structure is removable from the at least two mold members by hand and without the use of a tool.

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

Abstract: [PROBLEM]To provide a method of molding a composite molded article enabling compression molding without requiring a large sized injection molding machine and a mold system used for that. [MEANS FOR SOLUTION]A method of molding a composite molded article using a first mold member 13 to mold a primary molded article 29 by primary molding, switching a movable mold member holding the primary molded article 29 with a movable mold member 14 positioned with a second mold member 15, then using a second mold member 15 in which the primary molded article 29 is inserted to mold a secondary molded article 30 by secondary molding, wherein the primary molding and the secondary molding are executed by non-continuous different steps at points of time different from each other.

Abstract: A tooling for injection-molding a part, the tooling including two cavity blocks each including a cavity formed therein of a shape corresponding to a shape of a part that is to be molded once the cavity blocks have been superposed. At least one of the cavity blocks includes a mechanism for positioning a core, which mechanism includes at least one bearing surface for bearing against the core and at least one presser screw screwed into a threaded passage of the cavity block for purpose of holding the core in position against the bearing surface. The tooling further includes a force-limiter limiting force applied to the core by the presser screw.

Abstract: A mold for molding a green body for manufacturing a zirconium oxide dental implant includes a first molding part and a second molding part. The first and second molding parts each has a first imprinting inner surface and two none-thread inner surfaces for forming the external of the green body with two external thread sections and two none-thread sections. The mold may also include a driving mechanism, a polygonal conical slider and a screw thread forming rod. The polygonal conical slider can be driven for axially sliding into the mold cavity without rotation. The screw thread forming rod is coaxially and slidably penetrated the polygonal conical slider and driven by the driving mechanism for screwing into the mold cavity and unscrewing out of the mold cavity thereby forming the inner of the green body with an internal thread and a polygonal tapering section.

Abstract: Described herein is a mold. The mold includes a first mold half and a second mold half. A molding cavity is definable between the first mold half and the second mold half within which a molded article is moldable. The mold also includes a core configured to form a seal on the molded article. The first mold half and the second mold half are configured to remain in a mold closed configuration with molding and stripping of the molded article.

Abstract: A device for producing a thin-walled elongate body from thermoplastic material includes a removable sleeve (25) and a bush (33), the casing of the removable sleeve (25) and the bore (31) in the bush (33) are arranged eccentrically with respect to the axis of symmetry of the core and, by rotation relative to one another, a displacement of the core can be achieved both in terms of magnitude and also in relation to a deflection angle.

Abstract: A carrier plate for supporting electronic components during processing includes hexagonally-arranged holes for supporting the components. Walls of the holes comprise a gripping resilient material. The hexagonal arrangement provides a strong carrier that improves production yield through an increase in per batch processing and improved locational accuracy over conventional carriers.

Abstract: According to embodiments of the present invention, there is provided a stripper assembly and a mold stack incorporating same. More specifically, there is provided the stripper assembly (212) for use in a mold stack (202) for forming a preform (210) suitable for blow-molding into a final-shaped container.

Abstract: An inner fender that faces a wheel arch of a bumper face includes an undercut portion formed on a side of an inner peripheral wall, the side of the inner peripheral wall being an outer side with respect to a vehicle width direction. The undercut portion includes a lower side wall that radially inwardly recedes from the inner peripheral wall and is superposed with a lower end of the wheel arch of the bumper face, an upper side wall that radially outwardly protrudes from the inner peripheral wall and is disposed above the lower side wall so as to be continuous with the lower side wall, and a flange that extends outward in the vehicle width direction from a front end of the upper side wall and is secured to an inner portion of the bumper face.

Abstract: An apparatus for manufacturing products from material which is thermoplastically deformable, as from plastic, comprising: —a mold (2) with at least one mold cavity (3); —in the or each mold cavity (3) at least one slide (8); —movement means for moving each slide (8); —closing means for opening and closing the mold (2); —feed means for introducing, with the mold cavity (3) closed, said material in at least substantially plastic condition into the or each mold cavity; wherein the movement means (9) for moving the slide (3) are arranged for moving said slide forward at a relatively high speed relative to the movement speed of the mold parts upon opening and closing thereof, from a position at least partly retracted from the mold cavity, such that said material, as a result, is displaced in the mold cavity for obtaining the filling thereof, preferably at a speed high such that adiabatic heat development occurs in the or each mold cavity.

Abstract: The present invention relates to a method for the production of bodies in plastic comprising two portions hinged to each other by a single rotation pin. The method comprises the steps: a) predisposing a mould with two distinct forming chambers for the two portions; the mould comprises a third chamber for the single pin, made and positioned in such a way that the pin is formed already aligned along the hinge axis; the mould is provided with a pair of pegs axially distanced from each other to form the third chamber and sliding along the axis between a first and a second operating position; b) positioning the pegs in the first position; c) injecting plastic material inside the chambers; d) shifting the pegs from the first to the second position, bringing the pin to engage inside the seats; e) opening the mould and extracting the two assembled portions.

Abstract: Disclosed is a molding having a counter, comprising a fixed half, a moving half, a counter, a locator and a counting operator. The fixed half is opened with a through hole. The moving half is functioned in accordance with the fixed half. The locator is positioned at the moving half. The counting operator is slidably set at the moving half and comprises a sliding main body, a locator and a contacting bump. The sliding main body comprises two locating slots positioned at one end thereof. The locator extends into the locating slots to locate the counting operator. The contacting bump is positioned on the sliding main body and can press the contacting part of the counter. With the locator and the counting operator of the present invention, wrong records of non productive molding can be avoided and the counter does not have to be removed during the mold-repair.

Abstract: A molding apparatus includes a cavity mold, a core mold, a core pin, and a cavity pin. After molten resin has been filled in a cavity, at least one of the core pin and the cavity pin is moved to be pressed onto the molten resin so that a part of the molten resin is compressed before the molten resin is cured, and a molded hole is formed by cutting off the compressed part of the molten resin by moving the core pin and the cavity pin.

Abstract: In one embodiment, a molding system for creating a molded-in-color panel has a first mold member with a first forming surface for forming a portion of a panel with an exposed surface. The molding system has a second mold member having a second forming surface for forming a concealed portion of the panel. One of the first and second mold members is translatable relative to the other to collectively receive a heated molded-in-color resin to form the panel. The molding system has an injector for injecting molded-in-color resin into the mold. The second forming surface is sufficiently smooth so that the exposed surface of the panel is free of visible flow lines.

Abstract: A mold and a method for the molding by injection of plastic material of a generally thin part, notably of a vehicle lighting and/or signalling device. The mold comprises two half-molds designed to be disposed one against the other and forming an enclosure designed to be filled with plastic material by injection. The plastic material is injected via an injection nozzle in the vicinity of one end of the part. The volume formed by the mold includes a cavity the volume of which may be modulated by means of a mobile element. During the injection of plastic material, when the latter has reached at least the level of the cavity, the initially zero volume of the cavity is progressively increased via the control means of the mobile element.

Abstract: Method and apparatus for injection co-molding and assembling of articles made of plastic material, the articles having a first part provided with a hinge pin, and a second part provided with an annular element designed to be connected to each other by hinging. The apparatus includes a mold having separate mold cavities for two parts of the article to be produced; a first molding member, defining the mold cavity of the pin, and a second molding member, defining the mold cavity of the annular element, are axially movable and operatively connected to cam control elements forming part of the same injection mold. The cam control elements are shaped and arranged to cause, after the opening of the mold, the automatic assembling of the plastic article, via a selective sequence of axial movements of the two molding members, during the demolding step of the molded article.

Abstract: An injection mold for molding a product which has a gap and an inserting groove at a side thereof includes a movable mold and a stationary mold. A fillister is designed in an inner sidewall of the inserting groove. The stationary mold includes an inclined pillar slantwise mounted in the stationary mold. The movable mold includes a movable core and a sliding mechanism which includes a sliding block, a preventing board and a sliding element. The preventing board is further inserted in the sliding block therein. The sliding block is parted from the product to form the gap, for assisting the sliding element to be parted from the product to form the inserting groove and the fillister under the drive of the inclined pillar and the inner end face of the sliding block acting on the other end of the sliding element, when the injection mold is opened.

Abstract: A collet includes an annular collar and four arms extending from the collar. Each arm has a reduced outer diameter arcuate section, an enlarged outer diameter arcuate section and a tapered arcuate section with a fan-shaped cross section at a distal end. Further, each arm has a first mold witness line presented on a boundary between the enlarged outer diameter arcuate section and the tapered arcuate section. Besides, each of two opposing ones of the four arms has its opposite side surfaces parallel to each other along its reduced outer diameter arcuate section and its enlarged outer diameter arcuate section. Each of the other two opposing ones of the four arms has a second mold witness line presented along its reduced outer diameter arcuate section and its enlarged outer diameter arcuate section and terminating at the intersection with the first mold witness line.

Abstract: There is provided an injection mold to manufacture an injection-molded product formed of a molten resin that is injected into a molding space and is solidified. The injection mold includes an insert that forms a high quality required surface corresponding to a high quality required surface of an injection-molded product. The high quality required surface forming insert includes a first insert member corresponding to a high surface accuracy required portion in the high quality required surface, and a second insert member corresponding to a high surface accuracy not-required portion in which the surface accuracy that is required is lower than that of the high surface accuracy required portion in the high quality required surface and which has thermal conductivity lower than that of the first insert member.

Abstract: A fluid spray head comprising an expulsion channel provided with a spray orifice (1) and a spray profile (10) formed in an end wall of said expulsion channel, said spray profile (10) comprising non-radial spray channels (11) opening out to a central spray chamber (12) disposed directly upstream from said spray orifice (1), the central axis (X) of said spray orifice (1) being offset from the central axis (Y) of the spray chamber (12) by a distance that is less than 0.12 mm, and preferably less than 0.08 mm.

Abstract: The present invention relates to a foldable capsular vitreous body (FCVB), and its mould design, method for manufacturing, product appearance, and drug delivery property and so on. A mould for molding a foldable artificial vitreous body comprises an upper mould (1), a lower mould (2) and a core (3). The core (3) is disposed between the upper mould (1) and the lower mould (2) and is connected with a drainage-tube pin connected with an injection channel (4). Heating holes (6) are disposed in the upper mould (1) and/or the lower mould (2). Material is injected to the mould and is heated to vulcanize to mold vitreous body. The FCVB is adapted to be injected with any harmless medium and can be used as a delivery vehicle inside or around the eye ball. The size or shape of the FCVB can be changed depending on the different implant site.

Abstract: An injection mold is disclosed. The injection mold includes a female die, a male die and an ejection device die slidably passing through the male die for ejecting molded product out of the mold. The female die includes a female die body and a female die core received therein. The male die includes a male die body and a male die core slidably received therein. The female die core and the male die core configured for cooperatively defining a molding cavity for forming a product. The ejection device includes a first ejection rod and a second ejection rod slidably connected to the first ejection rod. A first distal end of the first ejection rod is connected to the male die core. When molding product, an end of the second ejection rod distal from the first ejection rod is configured to be fixed relative to the male die.

Abstract: The present invention relates to a mold having a parting line along dimples which allows manufacturing of golf balls free from burrs, and to golf balls manufactured using such a mold. The mold of the present invention is provided with a spherical cavity inside thereof; and an upper mold and a lower mold separable from each other, wherein a plurality of convex portions for forming dimples is provided in the inner surface of the cavity, at least one of the plurality of convex portions lies over the equator of the cavity, a parting line, which corresponds to the boundary between the upper mold and the lower mold, extends along the inner surface of the cavity, the parting line comprises first lines extending along the peripheries of the convex portions lying over the equator and second lines connecting the first lines, and the first line is disposed apart from the periphery by a distance of 0.1 to 0.5 mm.

Abstract: The present disclosure relates to a handheld clamp device for applying heat to a golf ball. The clamp may have two lever arms each attached at one end to a pivot. A golf ball receiving unit may be attached to each lever arm at the opposite end as the pivot. Each golf ball receiving unit may include a heating element. The internal heating surface of each golf ball receiving unit may contain a pattern, which can be a dimple pattern. When in use, the handheld device may heat the surface of a golf ball such that the pattern on the internal heating surfaces forms a dimple pattern into the surface of the golf ball. The handheld clamp device may be included as part of a kit, along with multiple sets of golf ball receiving units, and sometimes at least one golf ball.

Abstract: The material of core supporting members (12, 22) is selected such that the thermal expansion coefficient thereof is higher than that of molding sleeves (10, 20). Even when the diameter of openings (10a, 20a) of the molding sleeves (10, 20) is increased due to thermal expansion during transfer molding, the outside diameter of the core supporting members (12, 22) is further increased, gaps between the core supporting members (12, 22) and the openings (10a, 20a) are eliminated. As a result, the optical axes of transfer-molded surfaces formed on cores (13, 23) are accurately positioned with respect to the axes of the openings (10a, 20a), resulting in high-precision optical elements and the like.

Abstract: An injection mold and a cooperating molding system and method that allows for the parting line of a molded vehicle bumper fascia to be hidden within the wheel arch portion thereof. The invention contemplates two different mold designs for producing such a parting line: a double-lifter design and a collapsing slide core design. The bumper fascia remains in the cavity portion of the mold after molding due to the presence of undercuts in the mold cavity. A robotic part removal device is used to remove the molded bumper fascia from the mold cavity after mold opening. The part removal device is adapted to temporarily deform the bumper fascia in the wheel arch flange areas thereof to facilitate its removal from the cavity.