Abstract: A covered stent including an endovascular implant having a polymeric stent structure with an integrally formed membrane-like graft component, also referred to as a stent-graft, and methods of manufacturing the one-piece stent-graft by an injection molding process. A molding system for creating the polymeric stent structure is injected with a melt stream of moldable material that is forced between a parting line of the molding system to create a thin, flexible membrane-like structure within the open areas or interstitial spaces of the molded stent structure. The stent-graft so created is a one-piece, unified structure molded from a polymeric material in a single manufacturing step.

Abstract: A mold-tool system (100), comprising: a stationary plate (102); and an actuator assembly (104) being supported by the stationary plate (102), the actuator assembly (104) having: a piston assembly (106) being movable in the stationary plate (102); and a flexible diaphragm assembly (108) being connected with the piston assembly (106) and with the stationary plate (102).

Abstract: A system and method for the production of cellular materials. Several geometries such as honeycomb, chiral, auxetic are described. The pre-formation of the cellular structure is by penetration of a reinforcement fabric by means of punches properly structured. Punches housed on one of the matrices of the device allow obtaining several geometries without need of complex fabric pre-formations operations or of manual placement of the fabric in the interstices of the mold.

Abstract: A transfer molding box and a method to produce a plurality of brushes with an applicator is provided. The transfer molding box includes a pressing plate 30, an upper molding box 10 where at least a brush molding groove is formed and a lower molding box 20 where at least another brush molding groove corresponding to the brush molding groove of the upper molding box is formed and placed under the upper molding box 10. A wick 1 is settled in horizontal direction between the brush molding groove of the upper molding box and the brush molding groove of the lower molding box. Further material inserting portion 11 and a projected pressing portion 31 which has corresponding shape to the material inserting portion 11 are provided at the top of the upper molding box 10 and at the top of the lower molding box 20, respectively.

Abstract: Ophthalmic device molds made from at least one vinyl alcohol copolymer and having a static sessile drop contact angle of less than 70 degrees, ophthalmic devices such as ocular inserts and contact lenses and including silicone hydrogel devices formed using these molds, and related methods are described. The methods of manufacturing ophthalmic devices can use dry or wet demolding processes, or dry or wet delensing processes.

Abstract: Ophthalmic device molds made from a first portion of a molding surface formed from a first polymer and a second portion of the molding surface formed from a second polymer are described. When combined, the first portion and the second portion of the molding surface form an entire molding surface suitable for molding an entire surface, such as an anterior surface or a posterior surface of an ophthalmic device. Methods of manufacturing ophthalmic devices using these molds, including contact lenses, are also described.

Abstract: A technique for allowing the convenient and orderly withdrawal of contents is disclosed. An apparatus according to the technique may include a container which includes an enhancement at the rim of the container. The enhancement provides the functionality to move edible and/or inedible substances onto objects. In one example, the enhancement may protrude inwardly as a smoothed surface that may push substances onto objects as the objects are removed from the container.

Abstract: Disclosed is a method and device for producing a membrane module used in a membrane humidifier for humidifying air in a polymer fuel cell, in which a small amount of hollow fiber membranes are disposed in the center of the membrane module and a larger amount of hollow fiber membranes are disposed toward the edge based on the design of a potting cap. Dry air introduced from an air blower into the membrane can be distributed to the edge where the larger amount of hollow fiber membranes are disposed, thereby maintaining uniform humidification performance over the entire hollow fiber membranes.

Abstract: A system includes a plane or a plate constituting a mobile traverse or a fixed platen of a press, a half-die associated to the traverse, at least a first hole afforded in the traverse or in the half-die and aligned with a second hole afforded respectively in the half-die or in the traverse, a third hole intersecting the second hole and opening externally on an edge of the traverse or the half-die, connector having a part blocked in the first hole and a part inserted in the second hole, blocking member activatable from outside located in the third hole such as to act on the part of the connector inserted in the second hole, where the first hole and the part of the connector inserted therein are independent of the orientation of the connector in the first hole.

Abstract: Methods and tools for producing a filled hollow structure, comprising producing an open hollow structure from a first material, providing a closing structure to at least partially close the open hollow structure, filling the hollow structure with a filler medium, and overmoulding the filled hollow structure with a second material as well as hollow structures obtainable by said methods and the use of said tools.

Abstract: A clip includes a head portion that is engaged with an attachment-subject member, a leg portion that is inserted and locked in an attachment hole of an attachment-base member to which the attachment-subject member is to be fixed, a shank portion that connects the head portion with the leg portion, and a flange portion that spreads obliquely outwards from the shank portion towards the leg portion and is closely attached to the attachment-base member so that an outer circumferential edge portion of a leg-portion-facing surface of the flange portion surrounds the attachment hole when attached to the attachment-base member. The head portion, the leg portion, the shank portion and the flange portion are formed integrally from a resin material through an injection molding using a plurality of molds, an annular parting line PL1 that extends along a boundary surface between the molds is formed on the leg-portion-facing surface of the flange portion.

Abstract: A prism plate is obtained which gives directivity to the exit directions of illumination light and enables control of the illuminance distribution. A prism plate 11 includes a prism surface 12 on which a prism array in the shape of a triangular pole having multiple ridgelines 13 is formed, and in which minute bumps and dips 14 are formed on the prism surface 12.

Abstract: The present invention provides a back frame of flat panel display device, which includes at least first and second primary assembling pieces, in which the first primary assembling piece has an end forming at least two joint sections, and each of the joint sections has a structure mating an end of the second primary assembling piece. The back frame further includes a plurality of bracing pieces that are fixed to the primary assembling pieces. The bracing pieces include adjustable bumps mounted thereon and the adjustable bumps provide various mounting structures. The present invention also provides a mold for making a back frame of flat panel display device, a method for manufacturing a back frame of flat panel display device, and a backlight system.

Abstract: The present invention provides a back frame of flat panel display device, which includes at least first and second primary assembling pieces, in which the first primary assembling piece has an end forming at least two joint sections, and each of the joint sections has a structure mating an end of the second primary assembling piece. The first primary assembling piece uses one of the joint sections to join the corresponding end of the second primary assembling piece. The present invention also provides a mold for making a back frame of flat panel display device, a method for manufacturing a back frame of flat panel display device, and a backlight system. The back frame mold of the back frame, the mold for back frame, the method for manufacturing back frame, and the backlight system is of a simple structure and can reduce the expenditure of the back frame mold, and can also save the material used for back frame so as to lower down the cost of flat panel display device.

Abstract: Support members for rotatable platens of injection molding machines are provided. In some aspects, an injection molding machine includes a guide member and a rotatable platen including a base plate and a turntable supported by and rotatable relative to the base plate about a substantially horizontal axis. The turntable is adapted to support a mold for rotation about the horizontal axis relative to the base plate and the guide member. The injection molding machine also includes a support member coupled to the rotatable platen and engaged with the guide member for movement of the rotatable platen and the support member along the guide member. The turntable is adapted to rotate the mold relative to the support member. In other aspects, a support member for a rotatable platen of an injection molding machine is provided and includes a first arm and a second arm spaced apart from the first arm.

Abstract: The invention relates to a powder metallurgically manufactured steel with a chemical composition containing, in % by weight: 0.01-2 C, 0.6-10 N, 0.01-3.0 Si, 0.01-10.0 Mn, 16-30 Cr, 0.01-5 Ni, 0.01-5.0 (Mo+W/2), 0.01-9 Co, max. 0.5 S and 0.5-14 (V+Nb/2), where the contents of N on the one hand and of (V+Nb/2) on the other hand are balanced in relation to each other such that the contents of these elements are within an area that is defined by the coordinates A?, B?, G, H, A?, where the coordinates of [N, (V+Nb/2)] are: A?: [0.6,0.5]; B?: [1.6,0.5]; G: [9.8,14.0]; H: [2.6,14.0], and max. 7 of (Ti+Zr+Al), balance essentially only iron and impurities at normal amounts. The steel may be used for tools for injection molding, compression molding and extrusion of components of plastics, and cold working.

Abstract: An injection mold includes a first plate, a second plate, a movable plate, a ball screw, a ball nut, an injection screw, a transmission shaft, an injection motor, a metering motor, a first driving assembly and a second driving assembly. The ball screw is rotatably supported by the first plate. The ball nut is fixed to the movable plate, and is threadedly engaged with the ball screw. The injection screw is coaxially positioned with the ball screw. The transmission shaft is rotatably supported by the second plate. The injection motor is fixedly mounted on the first plate. The metering motor is fixed mounted on the second plate. The first driving assembly is connected to the injection motor to drive the ball screw. The second driving assembly is connected to the metering motor to rotate the transmission shaft for moving the injection screw.

Abstract: A cross-flow fan includes a plurality of fan blades. The fan blade has an inner edge portion arranged on an inner circumferential side and an outer edge portion arranged on an outer circumferential side. In the fan blade, a blade surface extending between the inner edge portion and the outer edge portion is formed. As the fan rotates, an air flow which flows between the inner edge portion and the outer edge portion is generated over the blade surface. The fan blade has such a blade cross-sectional shape that a recess is formed in the blade surface. The recess is arranged at a position closer to the outer edge portion than to the inner edge portion and formed to extend from one end to the other end of the fan blade in a direction of a rotation axis of the fan.

Abstract: A molded game ball and process for making the same. The game ball comprises a molded outer cover having a mold line that mimics the seam of a conventional game ball and a raised stitch pattern presented along said mold line. The game ball is made by forming an outer cover in a mold that has a pattern that is positioned to mimic the inverse of the pattern of a seam of a conventional game ball. Material is then injected into an interior volume enclosed by the outer cover to form an inner core that permanently bonds with the outer cover. The outer cover of the game ball has a stitch pattern that mimics the stitching and seam of a conventional stitched game ball.

Abstract: A device for manufacturing a part in composite material by resin transfer moulding and method is provided according to the present disclosure. The device includes a manufacturing mould in which at least one preform is intended to be arranged of the part intended to be impregnated with resin during a resin transfer process. The mould is subdivided into a die and at least one movable structural element intended to be indexed on the die to form an assembly, the assembly forming a cavity corresponding to a shape of the part to be manufactured. The mould is associated with at least one positioning frame having a low coefficient of thermal expansion in at least one dimension, the positioning frame being designed to allow the indexing and holding in position of the at least one movable structural element, corresponding to at least one singularity, on the die.

Abstract: A mold for producing a resin shaft-end flange for a roller for image forming devices, wherein the shaft-end flange includes a flange portion and a shaft portion projecting axially from the center axis of the flange portion and adapted to be fitted to an end portion of a metal sleeve of the roller. The mold (10) includes a flange-forming cavity (12) and a shaft-forming cavity (16) corresponding to the flange portion and the shaft portion of the shaft-end flange, respectively. The inner surface of the shaft-forming cavity is designed so that the shaft portion of the shaft-end flange has a sectional shape (16TP) with nth order fold-axis symmetry, where “n” represents an integer not less than 2.

Abstract: A molding tool for the production of a transport container made of plastic, in an injection-molding machine, wherein one half of the mold tool is attached to a movable mold mounting plate and the other half to a fixed mold mounting plate. The fixed mold mounting plate has a sprue opening for a plastification and injection unit. The mold tool half that molds the exterior regions of the container is disposed on the movable mold mounting plate, and the mold tool half that molds the interior region of the container is disposed on the fixed mold mounting plate. In this mold tool half, sprue channels that proceed from the sprue opening run not only into the bottom region but also in the side wall region of the container to be injection-molded.

Abstract: A die (100) is provided with: a cavity which can contain a molten resin; a micro-structure (102) provided on a molding transfer surface (101) forming the cavity such that the fine structure protrudes to the cavity side from the molding transfer surface (101); and a anti-shrinkage convex section (103) protruding higher than the micro-structure (102) to the cavity side from one surface. A molten resin is applied to the die (100) and the surface of the die is relatively removed in the order of the micro-structure (102) and the anti-shrinkage convex section (103) from a resin substrate (001) formed by solidifying the resin.

Abstract: Hydraulically powered injection molder constructed from non-brittle steel channel members, instead of cast iron. It uses threaded vertical rods to support machine components, and threaded nuts to secure the components to the rods. Hydraulic cylinders used are single acting and self-contained, and compression die springs are used to retract the piston after an injection stroke.

Abstract: A centrifugal fan includes a plurality of fan blades arranged spaced apart from each other in a circumferential direction. The fan blade has an inner edge portion disposed on an inner peripheral side and an outer edge portion disposed on an outer peripheral side. The fan blade has a blade surface including a pressure surface and a suction surface. When cut along a plane orthogonal to a rotation axis of the fan, the fan blade has a blade cross section having concave portions formed at the pressure surface and the suction surface. A plurality of fan blades include fan blades having blade cross sections of different shapes. With such a configuration, the fan has an excellent air-blowing capacity while preventing noise. A molding die for use in production of the fan and a fluid feeder including the fan are also provided.

Abstract: Before generated air bubbles grow, only the edge of a portion where strength is not to be reduced is locally cooled and solidified to form a wall of fluid. After that, a pin (107) or the like is pressed into a molten resin portion inside the edge to reduce the volume of a cavity (3), thereby reducing the size of generated bubbles. Alternatively, foaming gas is absorbed into resin so as to reduce the volume of generated air bubbles. Thus, a reduction in strength is suppressed.

Abstract: The invention relates to a mounting device (1) for a center part (4) rotatable about a rotary axis (6) in an injection molding device. The mounting device comprises at least one lower mounting device (2) having a modularly constructed lower cross member (7). The cross member (7) comprises a center block (9) and at least one side block (11) fastened to the center block (9). The center block (9) comprises operative connection means for fastening a lower rotary unit (24) for rotatably mounting the center part (4) about rotary axis (6).

Abstract: A resin-molded component includes a thin wall portion, and a rib-like projection configured to protrude from a back surface of the thin wall portion. The rib-like projection includes a plurality of plate-like projections arranged to be spaced from one another. Each of the plurality of plate-like projections is arranged such that an angle formed between a line connecting a point on a longer side of a bottom surface thereof to a gate provided in the thin wall portion and the longer side of the bottom surface thereof is within a range from 10 degrees to 80 degrees.

Abstract: The present invention relates to a connection bracket for a tamping device, comprising a frame, a guide element mount, and a drive element mount, the connection bracket having a guide unit implemented integrally therewith for combustion air, in particular an air filter attachment such as an air filter socket. In addition, the present invention relates to a tamping device which has such a connection bracket and a method for producing such a connection bracket or for assembling such a tamping device.

Abstract: A mold devised for molding of footwear bottoms, composed of overlapping layers made with expandible reticulable polyolefin material, as well as for molding of other manufactures with monolithic structure composed of overlapping layers of expandible reticulable polyolefin materials.

Abstract: An electrically-driven injection molding system with a dual-driving function comprises an electric apparatus with a dual-driving function, a plasticizing unit, an injection unit, an injection carriage, a guide frame, and a base, wherein the electric apparatus with a dual-driving function is connected with the plasticizing unit and the injection unit, the guide frame is connected with the electric apparatus with a dual-driving function and the injection unit, and the electric apparatus with a dual-driving function, the plasticizing unit, the injection unit, the injection carriage, and the guide frame are installed on the integral base. An injection molding method is realized using the system. The system has an obviously simplified and compact structure, thus reducing the manufacturing cost, lowering the energy consumption, obviously extending the service life of the motors and ball screws, and making easy to popularize.

Abstract: An orthopedic prosthesis mold, including a first housing defining a first cavity therein shaped to form a portion of an orthopedic prosthesis; a second housing coupled to the first housing, the second housing defining a second cavity therein shaped to form a portion of an orthopedic prosthesis; and a reinforcement element attached to at least one of the first or second housings, the reinforcement element resisting deformation of the first and second housings. The reinforcement element may include a member exterior to the first and second cavities, the member spanning across a substantial width of the prosthesis mold.

Abstract: Disclosed is an injection mold for washing machine diaphragms wherein the operations of an uppermost first slide core to support the upper part of a first step of a diaphragm manufactured in a cavity and a cam core to support the lower part of a second step of the manufactured diaphragm are controlled to automatically separate the manufactured diaphragm from the cavity.

Abstract: The invention relates to a propeller (1) comprising a hub (2), blades (3), and a shell (4) having two flanks (41, 42) connected by an elbow, the blades (3) extending from the hub (2) to the shell (4). According to the invention, the thickness (e1, e2) of at least one part of at least one of the flanks (41, 42) of the shell (4) is reduced towards the free end of said flank.

Abstract: The present invention relates to methods for embedded a micrometer and/or nanometer pattern into an injection molding tool. In a first main aspect, a micro/nanometer structured imprinting device is applied in, or on, an active surface so as to transfer the micro/nanometer patterned structure to the tool while the imprinting device is, at least partly, within a cavity of the injection molding tool. In a second main aspect, a base plate with a micro/nanometer structured pattern positioned on an upper part is positioned on the active surface within the tool, the lower part of the base plate facing the tool, the active surface receiving the base plate being non-planar on a macroscopic scale. Both aspects enable a simple and effective way of transferring the pattern, and the pattern may be transferred on the active working site of tool immediately prior to molding without the need for extensive preparations or remounting of the tool before performing the molding process.

Abstract: A method for manufacturing a diffraction grating having a plurality of grating grooves that extends in parallel in a direction includes a first cutting processing step of moving, in the direction, a work and a cutting tool having a first blade and a second blade relatively to each other, and of forming a first surface of the grating groove in the work through cutting processing using the first blade of the cutting tool, and a second cutting step of moving, in the direction, the work and the cutting tool relatively to each other after the first cutting processing step, so that the first blade does not contact the first surface formed by the first cutting processing step, and of forming a second surface of the grating groove in the work through cutting processing using the second blade of the cutting tool.

Abstract: The invention relates to a molding device (1) for receiving fibers onto which a resin is injected, including a base (3), side plates (5) confining the base (3), and a cover (7) capable of engaging with a free end (9) of the side plates (5) in order to define an inner space (11) for receiving the fibers and the resin, wherein said device (1) comprises, in the inner space (11), a skin (21) that is configured to be complementary to the inner surface of the cover (7) and to at least a portion of the inner surface of the side plates (5). The invention also relates to a method for manufacturing a resin part using such a device (1).

Abstract: A micro structure which is preferred as an original plate of an antireflection, a mold of nano imprint or injection molding is obtained by a single particle film etching mask on which each particle is precisely aligned and closest packed in two dimensions. A single particle film etching mask is produced by a drip step wherein a dispersed liquid in which particles dispersed in a solvent are dripped onto a liquid surface of a water tank, a single particle film formation step in which a single particle film which consists of the particles by volatizing a solvent is formed, and a transfer step in which the single particle film is transferred to a substrate. The single particle film etching mask on which particles are closest packed in two dimensions, has a misalignment D(%) of an array of the particles that is defined by D(%)=|B?A|×100/A being less than or equal to 10%. However, A is the average diameter of the particles, and B is the average pitch between the particles in the single particle film.

Abstract: The present invention generally relates to a mold assembly (32, 34) and a method of using the mold for the manufacture of composite parts which, more particularly, are generated from a strengthener in a generally solid phase and a matrix in a generally liquid phase. Various types of molds and processes may be used in order to impregnate a strengthener with a matrix such that a composite part may be manufactured, but the efficiency rate and the duration of the manufacturing process significantly varies depending on the chosen type of mold and process. The present invention relates to a mold assembly and to the manufacture of composites by using the mold assembly which includes the injection of the matrix in the mold assembly containing the strengthener and a deformable member (36) which favors the impregnation of the matrix toward the strengthener.

Abstract: Provided is a method for producing a plastic lens, wherein, in molding a plurality of plastic lenses having different optical surface shapes simultaneously in a single mold 50, by designing cavities 3a and 3b such that each of the plastic lenses to be molded has the same volume, a plurality of plastic lenses having different optical surface shapes can be molded simultaneously in a single molding die without impairing the molding accuracy, and an injection compression molding apparatus used for such method.

Abstract: A two-color molding equipment for shaping a two-color molded product by placing a film in primary mold tool configured by a fixed mold and a movable mold, injecting a resin into a first cavity to shape a primary molded piece, shifting the primary molded piece provided with the film to secondary mold tool configured by the fixed mold and the movable mold, and injecting a resin into a second cavity to shape a secondary molded piece, wherein the first cavity is configured to shape the primary molded piece to be smaller than the film so that a part of the film protrudes from the primary molded piece, and a wall surface located at the protruding portion of the film to constitute the first cavity is provided with a convex portion that restricts mold shrinkage of the film protruding portion in the primary molded piece.

Abstract: A mold 30 for use in producing a development blade 1, which is to be formed by adhering an elastic member to an elongated-shaped hard plate 2 along the longitudinal direction LD thereof, wherein the hard plate has notched portions on both side portions in the longitudinal direction thereof and the elastic member is molded to skip the notched portions, comprises: a cavity portion CA having a shape in accordance with the shape of the elastic member; and a gate portion 35 for injecting a material into the cavity portion CA, wherein the gate portion 35 is positioned, in the longitudinal direction LD, either on a border CL between each notched portion and the center portion side of a main body of the cavity portion or on the outer side of the border or within 10 mm on the inner side of the border.

Abstract: In one aspect of the present teachings, a molding machine includes an injection device and a mold. The injection device can inject molten resin. The mold is directly supported by the injection device and defines a cavity for receiving the molten resin injected by the injection device.

Abstract: Embodiments relate to injection mold assemblies that include superhard materials, such as polycrystalline diamond compacts (“PDCs”), and related injection mold presses, components, and methods. The superhard materials are positioned to define at least a portion of a mold cavity for injection molding. Superhard materials may be fully or partially encapsulated by a substrate and the superhard materials and substrate may be secured to the injection mold. Superhard materials may be formed or otherwise separated from a substrate and secured to the injection mold without support of a substrate. Superhard materials may also be attachable to an injection mold to define only a portion of a mold cavity. In an embodiment, an injection mold insert includes a superhard material for insertion into a generic cavity within an injection mold assembly.

Abstract: An electric injection molding machine has a base, multiple connecting rods, a first driving device and a second driving device. The base has a first fixed board, a first moving board, a second moving board and a second fixed board. The connecting rods are mounted respectively through the first fixed board, first moving board, second moving board and second fixed board. The first driving device is mounted between the first fixed board and first moving board and has a first servomotor. The second driving device is mounted between the second moving board and second fixed board and has a second servomotor. The two servomotors provide sufficient strength and speed so operation of the electric injection molding machine is efficient and smooth.

Abstract: A centrifugal fan includes a plurality of fan blades circumferentially spaced apart from each other. The fan blade has a front edge portion to which air flows in a rear edge portion from which air flows out, and a blade surface extending between the front and rear edge portions. The blade surface includes a pressure surface on the rotation direction side of the centrifugal fan and a suction surface arranged on the back side of the pressure surface. The fan blade has a cross-sectional shape with concave portions formed at the pressure surface and the suction surface. Such a fan has an excellent blowing capacity. A molding die for use in production of the centrifugal fan, and a fluid feeder provided with the centrifugal fan are disclosed.

Abstract: A cross-flow fan includes a plurality of fan blades circumferentially spaced from each other. The fan blade has an inner edge portion on the radially inner side, and an outer edge portion on the radially outer side. A blade surface extends between the inner edge portion and the outer edge portion. The blade surface includes a pressure surface on the rotation direction side of the fan and a suction surface on the opposite side. In cross-section orthogonal to the rotation axis of the fan, the fan blade has a concave portions formed at the pressure surface and the suction surface. A plurality of concave portions are formed at pressure surface. Side fan provides excellent blowing capacity. Also disclosed are a molding die for use in production of the cross-flow fan, and a fluid feeder provided with the cross-flow fan.

Abstract: A propeller fan with two blades includes a blade and a blade, and a connection portion connecting the blades together. Each blade has a peripheral edge portion extending in an arc having a diameter D with a center axis as a center thereof, a front edge portion arranged on a forward side in a rotational direction, a rear edge portion arranged on an opposite side in the rotational direction, and a leading blade edge portion connecting the front edge portion and the peripheral edge portion. A plane which includes each intersection between the rear edge portion and the peripheral edge portion and is perpendicular to the center axis is defined as ?. When the propeller fan is viewed in a direction parallel to a plane including the leading blade edge portions and the center axis, a distance H between plane ? and a connected portion between the front edge portion of the blade and the rear edge portion of the blade, on a line of the center axis, satisfies 0.028?H/D?0.056.

Abstract: An injection device may include an injecting portion, and a material feeding portion having a pelletized resinous material. The material feeding portion includes a cylindrical feeding passage that is communicated with the injecting portion, a screw that is disposed in the feeding passage, and a drive mechanism that is configured to rotate the screw about a rotational axis. When the screw is rotated about the rotational axis by the drive mechanism, the pelletized resinous material can be fed into the injecting portion.

Abstract: The present invention relates to a method and device for manufacturing artificial stone. More specifically, the method includes the steps of: (a) mixing two or more kinds of chips having different grain sizes with a raw material for artificial stone; (b) injecting the raw material for artificial stone mixed with the chips into a mold; (c) applying primary vibration using a vibration device such that the raw material is uniformly dispersed in the mold; (d) applying vacuum to eliminate bubbles in the raw material; and (e) molding artificial stone by applying a secondary vibration using the vibration device. According to the method and device for manufacturing artificial stone of the present invention, the deposition rate of chips exposed at a surface of artificial stone is maximized, and thus the external appearance of artificial stone can be more naturally expressed and resistance against abrasion and staining can be improved.