Patents Examined by Steven S Ha
  • Patent number: 11498119
    Abstract: An injection device of a light metal injection molding machine of the disclosure includes: a melting cylinder that heats and melts a billet pushed along a cylinder hole and stores molten metal; an injection cylinder that injects, by an inserted plunger, the molten metal supplied by free fall due to the own weight from the melting cylinder through a communication path that can be opened and closed; and a molten metal pot in which a molten metal supply/discharge port connected to the melting cylinder is opened at a location in the melting cylinder that does not face an opening of the communication path on the melting cylinder side, and molten metal in an amount in excess of a capacity that can be stored in the melting cylinder is stored.
    Type: Grant
    Filed: March 8, 2022
    Date of Patent: November 15, 2022
    Assignee: Sodick Co., Ltd.
    Inventors: Shinjiro Tsuji, Shuji Kai
  • Patent number: 11491534
    Abstract: A continuous casting method includes, conveying a cast slab from a casting mold, stirring a non-solidified portion in the cast slab with a first electromagnetic stirring device, stirring the non-solidified portion with a second electromagnetic stirring device disposed downstream of the first electromagnetic stirring device in a conveyance direction of the cast slab, and subsequently, rolling the cast slab with a reduction roll, in which, the first electromagnetic stirring device alternately imparts the cast slab with electromagnetic force in one direction to cause the non-solidified portion to flow toward one width direction side of the cast slab at a flow rate of at least 5 cm/s, and with electromagnetic force in another direction to cause the non-solidified portion to flow toward another width direction side of the cast slab at a flow rate of at least 5 cm/s.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: November 8, 2022
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Shinji Nagai, Toshiaki Mizoguchi, Kenji Kubo, Makoto Ishii
  • Patent number: 11484940
    Abstract: The invention relates to a method and a device for casting a melt 4 of a metallic material by means of a furnace 2 of a low pressure casting device, which furnace 2 has a receiving space 3 and a riser tube protruding into said receiving space 3. By pressurizing the receiving space 3 with compressed air, the melt 4 in the riser tube 12 of the furnace 2 is pressed into a mold cavity 10 of a mold 7, wherein simultaneously, a magnetic field acting against the conveying direction 23 of the melt 4 is applied to the melt 4 of the metallic material by means of a magnetic element 16 arranged in the region of the riser tube 12.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: November 1, 2022
    Assignee: Fill Gesellschaft M.B.H.
    Inventor: Silvo Rihtaric
  • Patent number: 11484938
    Abstract: The present disclosure discloses a production line for ceramic shell making and a method for ceramic shell making. The production line may include a conveyor chain system, a robotic arm, a slurry coating device, and a sanding device. The conveyor chain system may be configured to convey a batch of modules. The robotic arm may be configured to replace and remove one or more modules among the batch of modules relative to the conveyor chain system and hold the one or more modules during a plurality of subsequent operations. The robotic arm may be configured to be moveable to a plurality of positions each of which corresponds to one of a plurality of stations. The slurry coating device may be configured to coat the one or more modules in slurry. The sanding device may be configured to sand the one or more modules.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: November 1, 2022
    Assignee: TAIZHOU XINYU PRECISION MANUFACTURE CO., LTD.
    Inventors: Jian Jing, Mingfeng Wang
  • Patent number: 11484937
    Abstract: A ventilator for a casting mold is mounted on an exhaust pipe (11) of a mold (10) to emit gas generated when melt is injected into a molding space (12). The ventilator for a casting mold has exhaust holes which are improved in arrangement structure and are shorter than a cylindrical body part so as to enhance gas emission efficiency and prevent transformation of the exhaust holes, and has a buffering space part formed inside a cylindrical body part to spread and accept melt coming through the exhaust holes so as to effectively prevent a damage of a mold caused by external leakage of the melt. The ventilator for the casting mold includes a cylindrical body part (100) and a fixed type exhaust block (20).
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: November 1, 2022
    Inventor: Dae Geun Park
  • Patent number: 11478846
    Abstract: This electromagnetic stirring device configured to apply an electromagnetic force which generates a swirling flow around a vertical axis to molten metal in a mold by generating a rotating magnetic field in the mold, which is a quadrangular tubular mold for continuous casting, the electromagnetic stirring device provided with an iron core enclosing the mold at a side of the mold and including two teeth arranged side by side in a circumferential direction of the mold so as to face an outer side surface for each of outer side surfaces of the mold, coils wound around the respective teeth of the iron core, and a power supply device which applies an alternating current to each of the coils with a phase shift by 90° in arrangement order of the coils so as to generate the rotating magnetic field.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: October 25, 2022
    Assignee: NIPPON STEEL CORPORATION
    Inventor: Nobuhiro Okada
  • Patent number: 11473521
    Abstract: A method of forming a thermally isolated exhaust port, the method comprising placing a chill device around an exhaust port core in a mold for an engine cylinder head, forming the engine cylinder head with an exhaust port using a casting process, generating, in the cylinder head with the exhaust port during the casting process, nodular graphite iron proximate the chill device around the exhaust port core, and forming the thermally isolated exhaust port containing nodular graphite iron in the cylinder head.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: October 18, 2022
    Assignee: Deere & Company
    Inventor: Jeremy M. Kessens
  • Patent number: 11465198
    Abstract: An injection device and method for producing at least one metallic glass part, in which a vertical piston is able to move in a vertical direction, a top end portion of the piston being suitable for being engaged in an injection chamber of a mould linked to a cavity of this mould and open at the bottom; the piston having a top end face on which an element made from metallic glass to be introduced into said chamber can be positioned, the top face of the piston having a concave shape suitable for receiving a bottom portion of the element made from metallic glass. A heating means situated under the mould comprises induction coils, such that, when the piston is in an intermediate position, the majority of the metallic element is situated in the space surrounded by the induction coils.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: October 11, 2022
    Assignees: UNIVERSITE GRENOBLE ALPES, INSTITUT POLYTECHNIQUE DE GRENOBLE
    Inventors: Sébastien Gravier, Georges Kapelski
  • Patent number: 11458530
    Abstract: An investment casting process for manufacturing a cast component is provided. The investment casting process includes forming a core, casting the cast component about the core such that a core positioning feature provides a location of an anticipated pilot hole in the cast component, removing the core from the cast component once the casting is completed, locating, forming and sizing a pilot hole to form a resized pilot hole that can receive a sealing plug and installing the sealing plug into the resized pilot hole.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: October 4, 2022
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Russell J. Bergman, Carl Busta, Lea Dynnette Castle
  • Patent number: 11458531
    Abstract: A casting mold includes a cavity for molding a product, and a pouring basin and a passageway that guide molten metal into the cavity. The passageway includes, at portions thereof positioned below the pouring basin and the cavity, bent portions (a first bent portion, a second bent portion) that change the advancing direction of the molten metal, and the casting mold further includes a cover member, which covers the inner wall of the bent portion, allows the passageway positioned on the upstream side of the bent portion to communicate with the passageway positioned on the downstream side of the bent portion, and has a lower thermal conductivity than the base material of the mold.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: October 4, 2022
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Takuji Suezawa, Shinji Sangawa, Toshiaki Onuma, Hiroshi Ichikawa
  • Patent number: 11453046
    Abstract: A casting mold includes a cover member covering the inner wall of a bent portion (a first bent portion, etc.) of a passageway. The cover member has a bottomed cylindrical shape having an axis extending in an up-down direction, and includes an upper hole, lateral holes, and at least one flange (a side wall flange). At least one of a fixed mold and a movable mold includes a flange housing groove in a separation surface. When the cover member is disposed in the bent portion and the casting mold is closed, the flange is housed in the flange housing groove, and the cover member is held in a state where a gap is formed between the inner wall of the bent portion and the outer wall of the cover member.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: September 27, 2022
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Takuji Suezawa, Toshiaki Onuma, Shinji Sangawa, Hiroshi Ichikawa
  • Patent number: 11453047
    Abstract: A method for producing a salt core includes a step A of adding a saturated sodium chloride aqueous solution to a sodium chloride crystal that is granular, to prepare a slurry mixed material of sodium chloride and water, a step B of subjecting the slurry mixed material to pressure molding to obtain a molded article, and a step C of drying the molded article to remove moisture.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: September 27, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yoshitaka Tanaka, Masafumi Nishida, Yuta Takahashi, Yuji Kayashita
  • Patent number: 11446733
    Abstract: The invention relates to a single-part feeder body for use as a feeder insert or component of a two-part or multi-part feeder insert in metal casting, having a feeder wall which at least partially delimits a feeder cavity for receiving liquid metal, wherein the feeder wall has an inner surface facing toward the feeder cavity, an outer surface for bearing against a mold material that surrounds the feeder body in certain regions, and a passage opening for the liquid metal into the feeder cavity, wherein the feeder wall has, on the inside, one, two or more material recesses for forming one or more outwardly protruding projections on the metal solidifying within the feeder cavity.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: September 20, 2022
    Assignee: CHEMEX FOUNDRY SOLUTIONS GMBH
    Inventor: Lars Zumbusch
  • Patent number: 11440088
    Abstract: The present disclosure relates to a die casting machine and a die casting method. The die casting machine used in cooperation with a mold (or die) having a die cavity configured to receive molten liquid and includes a plurality of injection mechanisms connected to the mold (or die). Each injection mechanism is provided with an injecting channel through which molten liquid is injected into the die cavity. The plurality of injecting channels are in connection with different positions of the die cavity.
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: September 13, 2022
    Assignee: SHENZHEN LEADWELL TECHNOLOGY CO., LTD.
    Inventors: Siong Song Liu, Lingling Pan, Caisheng Liu, Defei Cheng, Zhuoming Liu
  • Patent number: 11433454
    Abstract: A trimming-deburring assembly includes an upper fixed plate, a lower fixed plate, an intermediate mobile plate, movable between the upper and lower fixed plates, in a vertical direction, and command and movement means for moving the intermediate mobile plate, having an electric motor and a movement group operatively connected on a top to the electric motor and on the bottom to the intermediate mobile plate. The movement group has a spindle member drivable in rotation by the electric motor, having a spindle cavity and a worm gear element provided with a worm gear cavity defined by a threaded worm gear wall, and a worm screw element at least partially housed in the spindle cavity and in the worm gear cavity, having a threaded screw wall engaged with the threaded worm gear wall to receive rotary action of the worm gear element, and a lower end operatively connected to the lower fixed plate.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: September 6, 2022
    Assignee: MECCANICA PI.ERRE S.R.L. DI PEDERZOLI RUGGERO & C.
    Inventor: Ruggero Pederzoli
  • Patent number: 11408290
    Abstract: A cast component having reduced cross flow linking cavities and method of casting may include a body. The body may define a plurality of internal flow channels. The plurality of internal flow channels may include a first internal flow channel and a second internal flow channel. The cast component may also include a plurality of linking cavities obstructing unintended fluid communication between the first internal flow channel and the second internal flow channel through the plurality of linking cavities.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: August 9, 2022
    Assignee: General Electric Company
    Inventors: Daniel Endecott Osgood, Tingfan Pang, Gregory Terrence Garay, Zachary Daniel Webster, Ryan Christopher Jones
  • Patent number: 11400512
    Abstract: Provided are: a coated sand having improved fluidity and being capable of improving a filling rate of a casting mold to be obtained; and a coated sand for advantageously manufacturing a casting mold having excellent strength, which coated sand provides a casting mold with good mold-releasability and collapsibility, gives cast products a favorable casting surface, and effectively improves sand adhesion on cast products. The coated sand is formed as a dry granular material having fluidity at room temperature, in which the surface of a refractory aggregate is coated with a solid layer of a water-soluble inorganic binder, and spherical particles of silicone resin having binder-repellency exist on the surface of the binder layer, or form a layer on the surface of the binder layer, a part of the spherical particles being not covered with the water-soluble inorganic binder and being exposed.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: August 2, 2022
    Assignee: Asahi Yukizai Corporation
    Inventors: Tomohiro Takama, Tetsuya Ura
  • Patent number: 11396042
    Abstract: A serial multi-cavity high pressure casting apparatus includes a three stage mold comprising a fixed mold, an operation mold, and a medium mold disposed between the fixed mold and the operation mold, a main sleeve penetrating a lower portion of the fixed mold, and having molten metal injected thereinto, a main runner formed to extend upward from the main sleeve, an auxiliary sleeve branched to both directions from the main runner, an auxiliary runner formed to extend upward from each of both ends of the auxiliary sleeve and connected to each of a first cavity formed between the fixed mold and the medium mold, and a second cavity formed between the medium mold and the operation mold, and a sleeve core disposed on a lower portion of the medium mold, and having the main sleeve, the main runner, and the auxiliary sleeve inserted thereinto.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: July 26, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Cheol-Ung Lee, Ji-Yong Lee, Dae-Ho Lee, Seong-Jun Lim, Hyo-Moon Joo, Cheon-Hee Kim, Sung-Hyun Kwon, Yoon-Ki Lee
  • Patent number: 11396043
    Abstract: A method of manufacturing an open-cell type of porous aluminum includes: manufacturing a space-holder by using a water-soluble salt powder; stacking the space-holder in a container, and manufacturing an open-cell type of porous aluminum by injecting molten aluminum.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: July 26, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jongmin Kim, Taekyu Ha, Youngki Lee, Chui Hong Bae, Jaehyung Lee, Youngjig Kim
  • Patent number: 11389862
    Abstract: A leachable casting core and method of manufacture may include a plurality of legs configured to establish a plurality of internal flow channels of a cast component. Tie bars, with a first tie bar end and a second tie bar end opposite thereof, may couple to at least two of the plurality of legs. At least one of the tie bars may be oriented to form a linking cavity within the cast component between the internal flow channels. The linking cavity may serve as an obstruction to fluid communication through the linking cavity.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: July 19, 2022
    Assignee: General Electric Company
    Inventors: Daniel Endecott Osgood, Tingfan Pang, Gregory Terrence Garay, Zachary Daniel Webster, Ryan Christopher Jones