Abstract: A mold comprises a core plate receiving a core insert, a cavity plate receiving a cavity insert and an ejection mechanism configured to eject the core insert. The core insert defines a first molding surface and the cavity insert defines a second molding surface cooperating with the first molding surface. The ejection mechanism includes a top plate; a sleeve fastening to the core plate and an ejection member to eject the core. The ejection member including an ejection rod and an ejection head slidably received in the sleeve. The ejection rod includes a main rod fastened to the top plate, a connecting body, and an engaging body. The ejection head includes an ejection portion and an engaging portion defining an engaging hole, a slot, and an opening, wherein the connecting body extends through the slot causing the engaging body to engage with the engaging hole.

Abstract: A mold ejection device includes a main body, at least one first ejection mechanism and at least one second ejection mechanism. The main body includes one first receiving recess and one second receiving recess defined in two opposite surfaces of the main body, respectfully. The first ejection mechanism is assembled and received within the first receiving recess. The first ejection mechanism includes a first piston slidably assembled within the first receiving recess and a first ejector fixed to the first piston. A distal end of the first ejector faces toward and slidably passes through the first surface. The second ejection mechanism has substantially the same structure as the first ejection mechanism and is slidably assembled and received within the second receiving recess. An injection molding machine using the mold ejection device is also provided.

Abstract: A mold includes upper and lower mold members, an upper-side slider pushing member, a slider, and an ejector rod. The upper-side slider pushing member is secured on the upper mold member. The lower mold member defines a movement space. The slider is slidably mounted on the lower mold member, and forms outer and inner angled surfaces. The ejector rod is movably mounted on the lower mold member. The ejector rod extends into the movement space and is driven by the push bar. The ejector rod and the upper-side slider pushing member are respectively engageable and thus pushing the inner and outer angled surfaces of the slider to cause the slider to slide on the lower mold member. The mold keeps the slider in a closed state while the mold is being opened, thereby preventing molded products from sticking to an upper mold member and saving internal space for the sliders.

Abstract: Provided is a self-adjusting angled ejector including an angled ejector base, a fixing member, an angled ejector pin and two adjusting plates. The angled ejector pin disposes an undercut-forming portion projecting on an upper end thereof. A lower end of the angled ejector pin is received in a groove of the angled ejector base and is detachably fixed on it. The two adjusting plates form a rotating region therebetween for pivotally positioning the angled ejector base. When ejecting the product, the angled ejector base can rotate to adjust the angle of the angled ejector pin for preventing the angled ejector pin from being bent or broken. Moreover, the mould need not be disassembled when mounting or dismounting the angled ejector pin, thereby saving the assembling or disassembling time of the mould, improving the production efficiency of the mould, and reducing the man power and material resources.

Abstract: In a state in which an insert is fitted to an inner portion of a main mold, a hole passing through from an outer portion of the main mold to a cavity of the insert is provided in the main mold to the insert. An extrusion pin bush is inserted into the hole from a side of an opening portion facing the outer portion of the main mold in the hole. A stopper, which is loosely inserted into an outer periphery of a base end side protruding to the outer portion of the main mold from an inner diameter portion of the extrusion pin bush of the extrusion pin, is attached by screw to a thread portion provided in the opening portion facing the outer portion of the main mold. The extrusion pin bush abuts on a locking portion provided on the side of the opening portion facing the outer portion of the main mold in the hole by the stopper.

Abstract: An imprint device transfers a finely patterned structure created on a stamper onto a material to be patterned, by bringing the stamper and the material to be patterned in contact with each other. At least one chamfered edge portion is formed at least one of the stamper and the material to be patterned. The imprint device has a separating unit for holding the chamfered edge portion of at least one of the stamper and the material to be patterned, so as to separate the stamper from the material to be patterned.

Abstract: An apparatus for forming shaped bodies from a thermoplastic film has a stationary support, a downwardly directed upper tool fixed on the support, means for feeding the film in a transport direction in steps underneath the upper tool, a lower shaft pivotal in support below the traverse, a frame carried on the shaft and pivotal therewith about an axis of the shaft, an upwardly directed lower tool shiftable on the frame toward and away from the axis, a pair of arms extending radially from the shaft, a link extending between one of the arms and the lower tool, and a crank drive element. A connecting rod extends between the other of the arms and the crank drive element. A stationary cam adjacent the frame has a nonstraight cam formation, and a cam follower on the tool engages the cam formation. A drive rotates the crank drive element.

Abstract: The ejector device of a molding machine includes: an ejector plate; an ejector drive means for driving the ejector plate in directions to approach towards and to withdraw from a platen; a plurality of rod insertion holes formed so as to pierce through the platen; and a plurality of ejector rods or a plurality of base rods which are base end portions of ejector rods that are inserted into the plurality of rod insertion holes so as to slide freely therein; and a plurality of magnetic rod fixing mechanisms capable of removably fixing the plurality of ejector rods to the ejector plate, or of removably fixing the plurality of detachable rods to the tip end portions of the base rods which are fixed to the ejector plate.

Abstract: An injection molding machine to prevent a molded piece from being separated from a mold after molds are disassembled from each other includes a first mold, a second mold assembled with the first mold to form a cavity, and a binding device or a pressing device to get a molded piece held in the first mold when the first mold and the second mold are disassembled from each other.

Abstract: A device and process for extracting plastic preforms (5) from holders. Said device comprises a plate (23), which features straight slits (26) positioned parallel to each other, that is attached to a supporting table (20, 21). Each slit (26) comprises wider sections and constrictions (29, 30), which have a width (L2) smaller than the diameter of the ring (9) of the preform, so that the ring (9) can be fitted into the slit (26) through the wider section. The plate (23) is moved in the direction <<D>> by a specific length until the constrictions are positioned under the ring, and, thus, the preforms are removed by moving the plate away from the holders.

Abstract: An apparatus for releasing a molded lens from a deformable mold includes a shear ring for temporarily retaining an annular portion of the deformable mold outside a periphery of the lens and a plunger for deforming an annular section of the deformable mold within the periphery of the lens. The apparatus can be employed to release a non-hydrated hydrogel lens from a deformable mold section.

Abstract: An ejector apparatus moves a lift core extending through a core of a component of a resin molding mold to form an undercut portion in a molded piece and is installed so as to be capable of moving obliquely with respect to the core surface in a longitudinal direction. An ejector plate is arranged between the core and a base plate below the core, so as to be capable of moving up and down. A slide path is formed in the ejector plate extending in a direction in which a lower end of the lift core makes relative horizontal movement during ascent and descent of the lift core. A slide base is movably arranged in the slide path and coupled to the lower end of the lift core. A guide rod imparts a moving force within the slide path to the lower end of the lift core during ascent and descent of the ejector plate.

Abstract: A clamp assembly includes a base, a clamp, a cutting blade, and a connecting shaft. The clamp includes a first claw pivotably connected to the base via a first rotating shaft, and a second claw movable relative to the first claw and pivotably connected to the base via a second rotating shaft. The cutting blade is coupled to an end of the second rotating shaft away from the clamp. The connecting shaft has one end fixed to the second claw and the other end fixed to the cutting blade for making the cutting blade capable of rotating along the second rotating shaft together with the second claw.

Abstract: A building block for a ventilated wall includes an elongated center portion flanked by a pair of substantially parallel side walls oriented substantially perpendicularly to the center portion. The center portion has a first vertical wall and a second sloped wall, the second sloped wall extending between a relatively thicker bottom wall of the center portion and a relatively thinner top wall of the center portion. The first wall is co-planar with first edges of the side walls. A stacked arrangement of such blocks, where adjacent blocks are inverted and reversed, establishes front-to-back air passages that do not provide a sight line, and which prevent rain from passing through. A mold assembly for manufacturing the blocks is also disclosed.

Abstract: Methods and apparatus for demolding a polymeric material from a mold are disclosed, the methods comprising the steps of placing a material within a mold, closing the mold, molding the material located within the mold, and opening the mold. The mold includes a demolding tool having a material-engaging portion that is in fluid communication with the mold portion, the demolding tool being reversibly disengagable from the first mold member. The demolding tool is disengagable from a resting position within the first mold member to translate from the first mold member the molded polymeric material associated with the material-engaging portion, thereby separating a portion of the molded polymeric material from the mold cavity. In particular embodiments, the material-engaging portion is a cavity. In other embodiments, the material-engaging portion is associated with one or more longitudinal members extending across a portion of the first mold member.

Abstract: The present invention is to provide a transfer apparatus and a molded article production apparatus having the transfer apparatus. These apparatus can improve the working efficiency and control cost and space for arranging. A molded article production apparatus has a transfer apparatus and an injection molding apparatus. The transfer apparatus has an attaching part mounting a jig which a bus bar and a terminal are mounted on, and a molded box body. The attaching part has a main body, a component attaching part and a molded article attaching part. The component attaching part is arranged on one surface side of the main body, and mounts the jig which the bus bar and the terminal are mounted on. The molded article attaching part is arranged on another surface side of the main body, and mounts the box body formed by the injection molding apparatus.

Abstract: An injection molding machine and a mold are used to form batches of hallow parts, such as PET preforms. An end of arm tool transfers the molded preforms from the mold to a temperature conditioning station having a conveyor. The batch of molded preforms is received and retained on the end of arm tool by an array of cooling tubes that are attached to a number of identical cooling tubes carrier devices. The conveyor is adapted to receive the carrier devices and the cooling tubes loaded with molded preforms from the end of arm tool. The conveyor is also adapted to transfer rapidly the carrier devices and the empty cooling tubes into the end of arm tool before the end of arm tool is moved back into the molding area to receive subsequent batches of molded preforms.

Abstract: Methods, devices, and systems for demolding lens mold assemblies are described in which the lens mold assemblies are positioned below a puncher header each with at least one punch pin. The puncher header is then moved against the lens mold assemblies so that the at least one punch pin of each puncher punches through a lens mold layer of a first mold part to then push against a second lens mold layer of a second mold part to separate the two parts in a demolding process.

Abstract: A mold comprises a core plate receiving a core insert, a cavity plate receiving a cavity insert and an ejection mechanism configured to eject the core insert. The core insert defines a first molding surface and the cavity insert defines a second molding surface cooperating with the first molding surface. The ejection mechanism includes a top plate; a sleeve fastening to the core plate and an ejection member to eject the core. The ejection member including an ejection rod and an ejection head slidably received in the sleeve. The ejection rod includes a main rod fastened to the top plate, a connecting body, and an engaging body. The ejection head includes an ejection portion and an engaging portion defining an engaging hole, a slot, and an opening, wherein the connecting body extends through the slot causing the engaging body to engage with the engaging hole.

Abstract: An auxiliary device and a method for finishing and calibrating preforms that are removed from a multiple tool in an unstable shape, the calibration process being performed with compressed air immediately after removing and withdrawing the preforms from the multiple tool. Nipples that can be inserted into the preforms are provided with expandable press rings or sealing rings in order to seal the interior of the blow-molded part of the preforms. The compressed air is introduced via the nipples, the sealing process being performed by radially expanding the press rings or sealing rings in analogy to the closing process of thermoses, thus protecting the preforms from adverse forces. The sealing point can be randomly selected in the transition zone from the threaded part to the blow-molded part of the preforms. The interior of the blow-molded part is optimally sealed without affecting the form stability and dimensional stability of the preforms.

Abstract: A plastic preforms (5) molding device and process comprising an injection mold, containing a plurality of injection cavities, an arm (3) for extracting the preforms (5) from the mold, equipped with guillotine-like gripping elements, which moves between the existing space between the half molds when in the open position in order to grasp the preforms and the external position, a cooling turret (6), with the faces housing a group of cups (7) for the conditioning of the preforms (5), which effects a rotational movement around a horizontal axis and a vertical translation movement between the high position under the extraction arm to receive the preforms and the low position corresponding to the extraction table of the preforms (5), on which are indented longitudinal slots with teeth shaped constrictions in order to grasp the preforms under the ring (9) and to extract them from the cups (7).

Abstract: The invention concerns a closure system (100) for molded caps comprising: two guide rails (102), a carriage (108) able to move on each rail (102), a closure bar (110) disposed between the two carriages (108), two wheels (116a, 116b), each mounted on a carriage (108), able to move in rotation about a rotation axis and each end of the bar (110) being mounted on one of the wheels (116a, 116b) so as to be offset with respect to said axis, a rack designed to move parallel to the rail (102), for each wheel (116a, 116b), a maneuvering gear able to move in rotation, secured to and coaxial with the wheel (116a, 116b) and designed to mesh with the rack, for each carriage (108), a locking device (106) designed to lock the carriage (108) with the rack and the guide rail (102), for each rack, an activation device (104).

Abstract: A mold comprising a core plate receiving a core insert, a cavity plate receiving a cavity insert and an ejection mechanism configured to eject the core insert is disclosed. The core insert defines a first molding surface and the cavity insert defines a second molding surface cooperating with the first molding surface. The ejection mechanism comprises a top plate, a bottom plate, an ejection rod and a gasket. The ejection rod includes a first end in contact with the core insert in the core plate and an opposing second end fixed with the top plate, the bottom plate and the gasket by the fastener and the locating piece. The top plate drives the ejection rod to eject the core insert.

Abstract: A demolding apparatus for removing molded building products from a mold has a conveyor assembly to advance the mold in a machine direction. A removal mechanism contacts a dislodged portion of the molded building product and applies a dislodging force to the dislodged portion of the molded building product.

Abstract: Method and apparatus for demolding (1) of molded material (2) out of a mold (3), in particular for demolding lipstick leads, wherein, said apparatus for demolding (1) comprises means with which the molded material (2) can be selectively demolded with one of at least two different techniques.

Abstract: According to embodiments of the present invention, there is provided a system, a method and an apparatus for configuring an end of arm tool within a molding environment. The end of arm tool comprises a base structure attachable, in use, to an actuator of the molding system, the base structure comprising a mounting structure interface; a mounting structure configured to be releasably accepted, in use, within the mounting structure interface; the mounting structure for receiving, in use, a part receptacle; the base structure comprising a service connecting interface configured to connect, in use, a service to the part receptacle via the mounting structure.

Abstract: A building block for a ventilated wall includes an elongated center portion flanked by a pair of substantially parallel side walls oriented substantially perpendicularly to the center portion. The center portion has a first vertical wall and a second sloped wall, the second sloped wall extending between a relatively thicker bottom wall of the center portion and a relatively thinner top wall of the center portion. The first wall is co-planar with first edges of the side walls. A stacked arrangement of such blocks, where adjacent blocks are inverted and reversed, establishes front-to-back air passages that do not provide a sight line, and which prevent rain from passing through. A mold assembly for manufacturing the blocks is also disclosed.

Abstract: The invention relates to a device and a method for producing objects, for example lipsticks, that are molded from paste-like materials, while using an elastic mold part (28), into which the paste-like material is introduced by means of a filling device, is hardened, and from which the at least largely hardened object is removed by a removing device while said mold part is elastically stretched. It is provided a dimensionally stable housing element (12) for housing said mold part, wherein said housing element is held inside a stationary or moveable support of said device, wherein said mold part (28) is placed in a housing space of said housing element at least during the filling and removal process, and wherein said housing space can be enlarged for removing the object and/or a thin fluid layer is placed between said mold part and said housing element, which is removable from said housing element for the removal process.

Abstract: A knockout mechanism for a food patty forming machine with one or more knockout cups for ejecting formed food from a cavity of a reciprocating mold plate. A rocker arm moves the knockout cup between a raised position and a knockout position. A linear actuator applies force to the knockout cup to move the knockout cup from the raised position to the knockout position. A spring also applies force on the rocker arm to move the knockout cup.

Abstract: An injection molding machine that performs a safe ejecting action of a molded article until a setting state of an ejector rod and a set forward end position for an ejection stroke of a molded article ejector are suitable for a mold in use. A resistor R1 is set to ON when a mold is changed and a resistor R2 is set to ON when a set value of the forward end position of the ejection stroke is changed. When resistor R1 or resistor R2 is ON, ejection is performed with a reduced ejecting force and at a reduced ejecting velocity. When a detected position of the ejector rod reaches the set forward end position, resistors R1 and R2 are turned OFF and thereafter the ejection is performed with a normal ejecting force and a normal ejecting velocity, to thereby prevent damage to the mold or to the molded article ejector.

Abstract: A carrier mold having prongs that produces shaped tampons is provided. When subjected to pressure by a pushrod the prongs of the carrier mold flex to substantially or partially open one end of the carrier mold. A method of forming a shaped tampon using the carrier mold is also provided.

Abstract: The device for conditioning preforms in plastic material comprises a rotating turret (20), having a group of conditioning cavities (22) for inserting preforms, partly through an opening on a first side (A) of the turret and partly through an opening on a second side (B) of the turret. The conditioning cavities (22) which open on the first side (A) are disposed in such a way that for part of their length (L1) they are situated side by side with the cavities which open on the second side (B). In this way the turret becomes more compact. There is also described a conditioning method for the preforms.

Abstract: The invention relates to a method for separating a cast lens from shell molds, whereby a separating tool exerts pressure on the lens but a height of the separating tool is guided along the interface between the lens and the shell mold to be separated from the lens. In a preferred embodiment the composite consisting of the lens and the shell molds is fixed on a holding device that can be rotated on an axis of rotation. The holding device is rotated by means of a first motor and the height of the separating tool is tracked by means of a second motor in relation to the height of the interface depending on the angle of rotation.

Abstract: There are provided a golf ball molding die capable of manufacturing a golf ball having a satisfactory surface condition, and a golf ball manufactured by using the die. The present golf ball molding die comprises at least two die bodies within which a cavity for molding a golf ball is formed by jointing of the die bodies; and a pin accommodating hole provided in at least one of the die bodies, and is characterized in that at least one groove communicating directly with the cavity is provided in the wall surface of the pin accommodating hole.

Abstract: An apparatus for molding a proppant is disclosed. The apparatus comprises a first member comprising a manifold for channeling a plastic fluid to a cavity block, with the cavity block containing a plurality of semi-spherical cavities. The apparatus further includes a second member that comprises a movable plate for engaging with the first member, with the movable plate having an opening therein, and a core block positioned within the opening, with the core block containing a plurality of reciprocal semi-spherical cavities configured to engage the semi-spherical cavities of the cavity block so that a plurality of spheres are formed, with the core block further containing a plurality of arm cavities that link the plurality of spheres so that a star cluster (which links the proppants) is formed. A method of manufacturing proppants and a method of using the proppants is also disclosed.

Abstract: The present invention relates to a method and apparatus for removing a plurality of molded articles from respective molds each having an external molding surface oriented according to a mold axis (X), said molds (12) being arranged with their axis (X) parallel. The apparatus comprises a plurality of pairs of jaws (4,6), each corresponding to a respective mold (12) and including a first jaw (4) and an opposed second jaw (6) which are moveable with respect to the respective mold (12) according to a first relative motion, between an open position wherein the jaws (4, 6) are spaced apart from the mold (;12) and a closed position wherein the jaws (4, 6) engage the mold (12), and a substantially axial second relative motion, wherein the pair of jaws (4,6) is slidably displaced along the mold axis (X) so as to remove it from the mold (12). The jaws (4, 6), for the first relative motion, are linearly moveable in parallel directions which are radial to the respective mold axis (X).

Abstract: An injection molding apparatus includes a first mold half, a second mold half opposite to the first mold half, an eject pin, a component collector and a buffer device. The eject pin penetrates through the first mold half. The component collector is configured for receiving the molding component molded. The buffer device includes a buffer plate, a connection plate and an elastic element. The elastic element includes two elastic arms connected with each other. The two elastic arms form an angle ? in a range 0°<?<180° in its natural state and partly inserting into the buffer plate and the connection plate respectively. The buffer device is disposed at a same side as the first mold half and the buffer plate is adjacent to the second mold half. The buffer device is configured for buffering the molding component during a knockout process.

Abstract: An injection molding apparatus for injection molding a component includes a first mold half, a second mold half, an eject pin, a receiving container and a blocking device. The second mold half is placed opposite to the first mold half. The eject pin penetrates through the first mold half. The receiving container is placed below the first mold half and the second half. The receiving container is configured for receiving the molding component. The blocking device is movable relative to the first mold half to face toward the first mold half. The blocking device is configured for blocking the molding component when the eject pin ejects the component out from the first mold half.

Abstract: A mold separating device includes a base with a driven member and a driving member rotating on the base. The driven member has a first through hole in it, and the base has a second through hole in it. The through holes receive a first mold and a second mold. The first through hole is coaxial to the second through hole. A cavity is defined in an inner wall of the driven member. An ejector is elastically fixed in the cavity and can be expelled from the cavity. A separator is disposed on a front portion of the ejector. A rotatable shaft is fixed in the driving member.

Abstract: An molding apparatus includes a core having a recessed part corresponding to a protruding part of a molded article, an ejector pin movably provided in the core to eject the molded article, an ejector sleeve movably provided in the core to push the protruding part of the molded article, and an ejector actuating part to move the ejector pin and the ejector sleeve together to a separation position where the protruding part of the molded article is separated from the recessed portion of the core, to bring the ejector sleeve into a stop position so that the ejector sleeve does not protrude from the core, and to move the ejector pin from the separation position to a removal position where the molded article is spaced apart from the core by a predetermined distance. Accordingly, the molding apparatus is capable of preventing damage caused on an ejector sleeve.

Abstract: In a molding method and a mold therefore, a fluid flows through an ejector pin including a front end surface movable with respect to the mold to release or remove from the mold at least a part of a product made from a melted material so that the front end surface of the ejector pin movable with respect to the mold is cooled by the fluid.

Abstract: In a foam molding method useful in efficiently manufacturing a foam molding with high surface accuracy and a mold suitable therefor, a plurality of gas-blowing devices 24 including the following members are arranged in the bottom of a cavity 23 present in a lower die 22: valve boxes 25, gas channels 26, valve elements 27, gas flow-restricting valves 28, and other members. The gas channels 26 of the gas-blowing devices 24 are supplied with gas from a common air pump. The valve elements 27 move vertically such that openings of the gas channels 26 that arranged in the cavity are opened or closed. When the gas is supplied to the gas channels 26, the valve elements 27 are moved upward by the pressure of the gas so as to push a molding 34. The valves 28 move upward together with the valve elements 27 and then sit on valve seat sections 31 disposed in the gas channels 26 to restrict the gas to flow into the gas channels 26.

Abstract: A tool 100 having a forming surface 102 being formed from a contiguous material 101 and including, within the contiguous material 101 into which the forming surface 102 is operatively resident, a cylinder 150, 170 or other selectively movable member which may be selectively used to remove an object from the tool 100.

Abstract: The present invention makes it possible to strip off a stamper stuck on a resin layer for groove formation during the manufacture of an optical disc from the resin layer without imparting damage or the like to the stamper. The present invention achieves this object by having the steps of bringing about a state in which the stamper protrudes from a substrate by a predetermined width, rotating the substrate with the back surface of the disc-shaped substrate attracted and held, elevating rollers capable of rolling relative to a contacting surface contacting with the protruding portion simultaneously with the rotation, and continuously applying a force working in a direction to separate the protruding portion from the substrate in the circumferential direction of the stamper.

Abstract: The present invention relates to a thermoforming apparatus (1) for producing shaped bodies (114) of plastic sheet (50), such as cups, containers, lids, secondary packagings for foodstuffs or the like, which comprises a forming station with a two-part forming tool (20). The two-part forming tool (20) comprises an upper tool table (28) adapted to be adjustably fixed and having an upper tool (30) with pre-stretch means (92) movably mounted therein, and a movable lower tool table (32) having a lower tool (34) with cavities (112). The movable lower tool table (32) is guided through the intermediary of guide means (42) and capable of being approached to the upper tool table (28) and moved away from it. The guide means (42) in accordance with the invention for the first time include a rotatable guide rail assembly (40) whereby the lower tool table (32) may be guided rectilinearly and rotated together with it.

Abstract: An apparatus for molding a mold by pressurizing a foam mixture composed of particles of aggregate, water-soluble binders, and water, and injecting it into a cavity of a heated metal mold that includes a hollow rectangular-parallelepiped body 12 having a bottom plate 14, the bottom plate 14 having an injection hole 13 to inject the foam mixture, a device 10 for containing the foam mixture having functions as a mixing bath to mix particles of aggregate, water-soluble binders, and water, and as a pressurized vessel to inject the foam mixture into the metal mold, and a device 22 for closing and opening the injection hole 13. The apparatus is further provided with a device for measuring a temperature of the particles of aggregate or the foam mixture, the viscosity, and the moisture and a device for communicating gases from the cavity of the metal mold to the outside of the mold so that the particles of aggregate cannot pass through it.

Abstract: When a separation layer is formed using a stamper between a substrate and the stamper on a thick substrate, on the surface of which a rewritable recording multilayer film provided with signal guide grooves or pits and the signal guide grooves or pits are transferred from the stamper to the surface, variations in the thickness of the separation layer are produced due to unevenness of the distance between the stamper and the substrate. The surface of the kth signal recording layer of the kth signal substrate is shaped parallel to the surface with the guide grooves and pits of the (k?1)th signal recording layer on the (k?1)th stamper, a (k?1)th separation layer is formed between the two and then the (k?1)th stamper is peeled off. The distance between the surface with the guide grooves and pits of the (k?1)th signal recording layer and the kth signal recording layer becomes uniform, and therefore the thickness of the (k?1)th separation layer can be kept uniform.

Abstract: A pick and place tool including a part penetration element adapted to induce a generation of a compressive force by the part against the part penetration element, securing the part to the part penetration element. The pick and place tool secures a part at first location employing an induced compressive force by the part against a part penetration element of the pick and place tool. In one embodiment, a pick and place tool for picking a part while maintaining a selected part orientation includes a tool body and a part penetration element attached to the tool body, the part penetration element adapted to induce a compressive force by the part against the part penetration element, securing the part to the part penetration element in a selected part orientation.

Abstract: The present invention relates to a demolding method and device, being used for detaching a mold and a substrate after completing an imprinting process, in which the mold is forced to detach from the substrate partially and form a gap therebetween by inserting at least a blade module between the two, and thus, as air is sucked into the gap and the adhesion force of vacuum effect exerting between the mold and the substrate is eliminated, the blade module is further applied to detach the mold from the substrate completely.

Abstract: A mold for a secondary molding includes a lower mold insert, an upper mold insert coupled to the lower mold insert, and an extraction device loaded in the lower mold insert. The lower mold insert has a lower container, a couple of lower notches adjacent to the two opposite sides of the lower container respectively and a lower cavity with two opposite sides connected to the lower notches respectively. The extraction device has an inserting core. The inserting core includes a body with two molding portions at its opposite sides. The body is inserted into the lower container, the molding portions project into the lower cavities.