Patents Examined by Tim Heitbrink
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Patent number: 8801426Abstract: A dynamic mixer and associated injection molding system for mixing a melt flow. The injection molding system includes: a hot runner assembly having a plurality of splits; an injection unit that delivers a melt flow to the plurality of splits in the hot runner assembly via a melt channel; and a dynamic mixer incorporated into the melt channel upstream from the plurality of splits, wherein the dynamic mixer includes a rotor assembly configured to be rotationally driven by the melt flow, and wherein the rotor assembly is further configured to mix the melt flow passing through the melt channel.Type: GrantFiled: November 13, 2012Date of Patent: August 12, 2014Assignee: Husky Injection Molding SystemsInventors: John Robert Galt, Stephen Daniel Ferenc, Darrin Albert MacLeod
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Patent number: 8790103Abstract: In a screw mounting structure of an injection molding machine in which a screw is fixed to a screw driving portion which transmits a rotating force and forward and backward thrusts to the screw, a fixing bushing for restricting movement of the screw in a rotating direction is fixed to the screw driving portion. A guide groove is formed in the fixing bushing in a direction orthogonal to a rotary axis of the screw, and retainers slide along the guide groove and are engaged with an engaging groove in a base portion of the screw, thereby restricting axial movement of the screw.Type: GrantFiled: July 14, 2012Date of Patent: July 29, 2014Assignee: Fanuc CorporationInventor: Hiroyasu Asaoka
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Patent number: 8790113Abstract: A mold includes a first core and a second core matched with the first core. The first core includes a first die parting surface defining the molding cavity. The second core includes a second die parting surface facing the first die parting surface. A plurality of first exhaust grooves are defined in the first die parting surface. A plurality of transverse second exhaust grooves are defined in the second die parting surface. When the mold is closed, the first core and the second core cooperatively form at least one molding space. The first exhaust grooves are machining marks formed during the machining of the first core. The second exhaust grooves are machining marks formed during the machining of the second core.Type: GrantFiled: September 28, 2012Date of Patent: July 29, 2014Assignee: Hon Hai Precision Industry Co., Ltd.Inventor: Yun-Yu Chou
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Patent number: 8770968Abstract: An injection molding tool includes a first mold die having a first tool face and a second mold die having a second tool face. The second mold die is configured to abut the first mold die, wherein the first tool face and second tool face are configured to partially define a part cavity between the first mold die and the second mold die. An induction heating element is embedded into the first mold die such that the induction heating element defines a portion of the first tool face. The induction heating element includes an electrical conductor, an electrically insulating material disposed about the conductor, and a ferromagnetic material disposed adjacent the electrical conductor and electrically insulating material.Type: GrantFiled: April 13, 2012Date of Patent: July 8, 2014Assignee: GM Global Technology Operations LLCInventors: Julien P. Mourou, Urban J. De Souza
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Patent number: 8764433Abstract: The present disclosure relates to a mold apparatus, and according to an aspect of the present disclosure, there is provided a mold apparatus including a cavity mold comprising a cavity mold plate formed with a cavity at a front surface thereof and provided with a heating means at an inner portion thereof, and a cooling plate brought into contact with or separated from a rear surface of the cavity mold plate and provided with a cooling means at an inner portion thereof; and a core mold configured to determine the cavity together with the cavity mold plate, wherein the cooling plate is formed with at least two or more divided surfaces.Type: GrantFiled: May 25, 2012Date of Patent: July 1, 2014Assignee: LG Electronics Inc.Inventors: Jookwon Kim, Gyusang Lee, Minkyu Hwang, Hyunwoo Jun, Seokjae Jeong, Kyungdo Kim
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Patent number: 8764434Abstract: 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).Type: GrantFiled: February 24, 2011Date of Patent: July 1, 2014Assignee: Foboha GmbH FormenbauInventor: Rainer Armbruster
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Patent number: 8758002Abstract: An injection molding system is disclosed that includes a mold insert set and a shaft locking assembly that releasably attaches the mold insert set to a mold plate of the injection molding system. Each mold insert of the mold insert set defines at least a portion of a mold cavity. The shaft locking assembly is displaceable between a locked position in which the mold insert set is held to the mold plate and an unlocked position in which the mold insert set is removable from the mold plate.Type: GrantFiled: June 26, 2013Date of Patent: June 24, 2014Assignee: Mold-Masters (2007) LimitedInventor: John Di Simone
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Patent number: 8757999Abstract: A low constant pressure injection molding machine forms molded parts by injecting molten thermoplastic material into a mold cavity at low constant pressures of 6,000 psi and lower. As a result, the low constant pressure injection molding machine includes a mold formed of easily machineable material that is less costly and faster to manufacture than typical injection molds.Type: GrantFiled: May 21, 2012Date of Patent: June 24, 2014Assignee: The Procter & Gamble CompanyInventors: Gene Michael Altonen, Ralph Edwin Neufarth, Gary Francis Schiller, Charles John Berg, Jr.
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Patent number: 8757998Abstract: A coinjection molding apparatus is disclosed that provides first and second material melt streams to a nozzle. The nozzle defines a first material melt passage for receiving the first material melt stream, a second material melt passage for receiving the second material melt stream and an outer layer melt passage, which receives a portion of the first material melt stream from the first material melt passage. The first material melt stream from the first material melt passage forms an inner layer of a molded article, the second material melt stream from the second material melt passage forms a core layer of the molded article, and the first material melt stream from the outer layer melt passage forms an outer layer of the molded article, wherein the three melt streams combine prior to entering a mold cavity.Type: GrantFiled: June 5, 2013Date of Patent: June 24, 2014Assignee: Mold-Masters (2007) LimitedInventors: Valery Ten, Fabrice Fairy, Denis Babin, Scott Gammon
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Patent number: 8753107Abstract: A rotary molding system for molding food products, mold cavities formed when a mold shell rotates mold shapes disposed along the mold shell into a fill position between a fill plate and a wear plate. Molded food products are removed from mold cavities using knock-out cups, the use of air pressure, or the use of a vacuum source disposed below the mold cavity, without the need to slow the rotation of the mold shell. Knock-out cups may be used with a heating system to reduce accumulation of unwanted materials on the knock-out cups. The rotary molding system can also be used to form products with contoured surfaces. A smart tagging system can be used to ensure that compatible sets of mold shells and knock out cups are being used. A vacuum region may be disposed upstream of the fill position to remove air within the mold cavity prior to filling.Type: GrantFiled: May 23, 2013Date of Patent: June 17, 2014Assignee: Formax, Inc.Inventors: Scott A. Lindee, David Hansen, Salvatore Lamartino, Bruce Bauer, Thomas C. Wolcott, Steve Ill, E. William Wight
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Patent number: 8753101Abstract: Provided is an apparatus for molding a crash pad for a vehicle, which includes a first metal mold in which an insert cavity is formed, a second metal mold installed opposite the first metal mold, an insert inserted into the insert cavity and having a through-hole toward the first metal mold so as to define a boundary between an upper part and a lower part of the crash pad that is injection-molded by the first and second metal molds, and a resin introducing unit installed in the first metal mold abutting on the insert and having an elastically adjusted space into which molding resin is introduced through the through-hole when an injection pressure exceeds a predetermined level.Type: GrantFiled: June 25, 2012Date of Patent: June 17, 2014Assignee: Hyundai Motor CompanyInventors: Chang Soo Suh, Jin Tae Kim
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Patent number: 8753102Abstract: A coinjection molding apparatus is disclosed that provides first and second material melt streams to a nozzle. The nozzle defines a first material melt channel for receiving the first material melt stream and a second material melt channel for receiving the second material melt stream. The nozzle includes a sleeve and a nozzle tip having a tip divider. The sleeve is disposed within a longitudinal bore of the nozzle to divide the nozzle bore into the first material melt channel and the second material melt channel. The nozzle tip is coupled to a downstream end of the nozzle and defines a first material melt passage for receiving the first material melt stream from the first material melt channel of the nozzle and a second material melt passage for receiving the second material melt stream from the second material melt channel of the nozzle.Type: GrantFiled: July 15, 2013Date of Patent: June 17, 2014Assignee: Mold-Masters (2007) LimitedInventors: Valery Ten, Fabrice Fairy
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Patent number: 8740598Abstract: A hot-runner system having a manifold and a nozzle, wherein the manifold or nozzle or both may be multi-material apparatuses of unitary construction. The nozzle may be thermally graded for temperature transmission between a heating sleeve and the melt. The nozzle may also include a melt flow channel apparatus that alters the flow of the melt before entering the mold. The nozzle and manifold may have a unitary construction that reduces fitting problems between the two apparatuses.Type: GrantFiled: June 15, 2012Date of Patent: June 3, 2014Assignee: Husky Injection Molding Systems Ltd.Inventors: Edward Joseph Jenko, Patrice Fabien Dezon-Gaillard, Sami Samuel Arsan
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Patent number: 8740610Abstract: An in-mold shutter (140) for embedding in an injection mold (100, 200, 300) is described herein. The in-mold shutter (140, 240, 340, 440, 540) includes a shutter actuator (148, 548) that is configured to selectively engage a first mold shoe (130) of the injection mold (100, 200, 300) with a platen of a mold clamping assembly (996) to hold the first mold shoe (130) in an extended, (E), along a mold-stroke axis (X), during a step of molding a first molded article (102A) in the injection mold (100, 200, 300). Also described herein is a molded article transfer device (150, 250) for use with the injection mold (100, 200, 300). The molded article transfer device (150, 250) includes a shuttle (154) that is slidably arranged, in use, within the injection mold (100, 200, 300).Type: GrantFiled: November 17, 2010Date of Patent: June 3, 2014Assignee: Huskey Injection Molding Systems Ltd.Inventors: Christophe Halter, Pierre Glaesener, François Styga
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Patent number: 8734146Abstract: An improved automatic shutoff nozzle tip which is mounted on the downstream end of a nozzle body of an injection molding machine or the like who's purpose is to act as a passageway for molten plastic fluid allowing the fluid to flow in one direction when urged to open by the pressure created by the forward motion of the plasticizing screw of said molding machine and to close when said pressure is lower than the designed opening pressure. The nozzle, having an convex outwardly extended portion that mates up with a sprue bushing or mold having complimentary convex radii, said nozzle having a orifice on the distal end that mates with a complimentary orifice of said sprue bushing. A nozzle that has a means for attachment to a nozzle body or the like with a rear seat, poppet and spring or similar device who's poppet is normally in the closed position until pressure is applied urging the poppet to move in the downstream direction and providing for a passageway for molten plastic fluid.Type: GrantFiled: October 20, 2010Date of Patent: May 27, 2014Inventor: Michael F Durina
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Patent number: 8727765Abstract: 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.Type: GrantFiled: July 2, 2012Date of Patent: May 20, 2014Inventor: Levon Joseph Fiore
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Patent number: 8727766Abstract: A nozzle-tip insulator (100), comprising: a nozzle-contact surface (102); a mold-gate contact surface (104) being offset from the nozzle-contact surface (102); and a body (106) connecting the nozzle-contact surface (102) with the mold-gate contact surface (104), the body (106) being resiliently compressible, the body (106) defining a void formation (108), and the body (106) and the void formation (108) being coaxially concentrically positioned relative to each other.Type: GrantFiled: March 29, 2011Date of Patent: May 20, 2014Assignee: Husky Injection Molding Systems Ltd.Inventor: Gregory Ray Hammond
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Patent number: 8714966Abstract: The apparatus (1) for the injection molding of containers in plastic material comprises a mold (2) having a female matrix die (3) and a corresponding male element (4) that can be coupled to one another, between the female matrix die (3) and the male element (4) being defined a forming inter-space (5) of at least a container, and at least a centering stem (10) for centering the male element (4) with respect to the female matrix die (3), which comprises a first extremity (12) having a locator surface (12a) for the male element (4), is sliding along a sliding direction (D) substantially transversal with respect to the male element (4) inside a corresponding centering hole (11) obtained in the female matrix die (3), and is mobile with reciprocating motion between a backward configuration, in which the locator surface (12a) is substantially arranged in correspondence to the inner surface of the female matrix die (3), and a forward configuration, in which the locator surface (12a) is up fast on the male element (4)Type: GrantFiled: September 10, 2010Date of Patent: May 6, 2014Assignee: Lameplast S.p.A.Inventor: Antonio Fontana
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Patent number: 8714965Abstract: An injection nozzle that can be used in an injection blow molding system without use of an external heat source comprises a two-piece structure broadly including a structural outer body for coupling the nozzle to a resin manifold and a thermally conductive insert. At least a portion of an axial length of the insert has an outer diameter that is less than an inner diameter of a coinciding coaxial portion of the outer body, such that the differences in the inner and outer diameters present an insulating air gap along at least a portion of the nozzle length. A sufficient operating temperature for hot melt resin can then be obtained without use of the external heat source.Type: GrantFiled: May 30, 2013Date of Patent: May 6, 2014Assignee: R & D Tool & Engineering Co.Inventor: Jincheng Chen
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Patent number: 8708683Abstract: A mold-tool system for use with a molding-system platen structure, the mold-tool system a frame assembly being connectable with the molding-system platen structure (107); and a set of shooting-pot assemblies being supported by the frame assembly, wherein control of each shooting-pot assembly of the set of shooting-pot assemblies is independent.Type: GrantFiled: October 8, 2010Date of Patent: April 29, 2014Assignee: Husky Injection Molding Systems Ltd.Inventors: Manon Danielle Belzile, Paul R. Blais, Brian Esser, Patrice Fabien Dezon-Gaillard, Edward Joseph Jenko, John Knapp