Patents Examined by Steven Ha
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Patent number: 9579716Abstract: An production apparatus of a semi-solidified metal has a vessel and a cooling device. The vessel into which a liquid-state metal material M is poured has a hollow member which is opened in up and down directions, and a bottom member which can close the lower opening of the hollow member and can be separated from the hollow member. The cooling device can cool the bottom member more than the hollow member.Type: GrantFiled: October 13, 2014Date of Patent: February 28, 2017Assignee: TOSHIBA KIKAI KABUSHIKAI KAISHAInventors: Koei Nakata, Satoru Aida, Satoshi Tomioka
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Patent number: 9579719Abstract: A casting apparatus for forming a cylinder head. The apparatus is configured to inhibit gate stick by promoting top-down directional solidification of molten metal in the mold cavity by any one or more of specific placement of gate pins in relation to apertures used to deliver molten metal to the mold cavity, circulating a cooling medium through the gate pins in a parallel fashion, configuring the gates so that a volume on the lower side of the gate is larger than a volume on the upper side of the gate, and insulating the inside surfaces of feeder lids and feeder bowls.Type: GrantFiled: May 3, 2016Date of Patent: February 28, 2017Assignee: Honda Motor Co., Ltd.Inventors: Drew Howell, Matthew Pettus
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Patent number: 9573188Abstract: The invention relates to a method for producing a feeder configured for use in a casting mold used for casting metals, wherein the feeder has a feeder body (14) enclosing a feeder cavity (15) and a through opening (19) in its base region (18) for connecting the feeder cavity (15) to the casting mold and the feeder body (14) consists of an exothermic material and is enclosed on its outer side at least in regions by an external shell (27) consisting of insulating refractory material, and wherein the feeder is provided with a feeder foot (20) arranged externally in its base region (18) and having an opening (21) flush with the through opening (19).Type: GrantFiled: November 29, 2013Date of Patent: February 21, 2017Assignee: GTP SCHÄFER GIESSTECHNISCHE PRODUKTE GMBHInventors: Thomas Schäfer, Thomas Baginski
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Patent number: 9550233Abstract: A pressure die casting piston assembly has a pressure die casting piston. The die casting piston has a front head, a substantially cylindrical side wall extending upwardly from the front head in fixed position relative thereto. A cup-shaped chamber is defined by the front head and the side wall. The side wall is closed by the front head. The die casting piston has a coolant channel passing through the side wall to allow a coolant to pass through the side wall and within the side wall.Type: GrantFiled: January 12, 2015Date of Patent: January 24, 2017Assignee: BRONDOLIN S.P.A.Inventor: Davide Brondolin
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Patent number: 9550231Abstract: A mold for molding post and strap in a cast on strap machine includes a mold body having an upper surface, a cavity in the upper surface for molding a strap and an opening aligned with the cavity for receiving a water-coolable insert for molding a post. The opening extends through the mold with its mouth in the upper surface to enable the insert to be inserted into the opening through the mouth. The mold body further includes a removable plate for being received in the mouth to retain releasably the insert in the opening and for defining the cavity.Type: GrantFiled: July 3, 2013Date of Patent: January 24, 2017Assignee: TBS ENGINEERING LIMITEDInventors: Christopher S. Barge, Mark Ormerod
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Patent number: 9550232Abstract: An electromagnetic stirring device of melted metallic materials inside a cooling chamber of a casting machine having a retaining body of induction coils that is a body composed of at least two reciprocally different portions.Type: GrantFiled: May 22, 2013Date of Patent: January 24, 2017Assignee: ERGOLINES LAB S.R.L.Inventors: Stefano De Monte, Stefano Spagnul
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Patent number: 9545663Abstract: A method of assembling a centrifugal casting apparatus includes positioning a wedge on a rotatable axis and positioning at least two molds into sealing engagement with the wedge. Each of the at least two molds includes a front face and defines at least two cavities extending from the front face into the mold. A sprue chamber is defined and is structured to receive molten material, and at least a portion of the sprue chamber is defined by at least a portion of the front faces of the at least two molds.Type: GrantFiled: July 25, 2016Date of Patent: January 17, 2017Assignee: ATI PROPERTIES LLCInventors: John W. Foltz, IV, Raul A. Martinez-Ayers, Aaron L. Fosdick
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Patent number: 9533345Abstract: A core molding machine which can be made smaller while having a favorable core sand filling property is provided. The machine comprises a core box having a pair of laterally separable dies and a sand filling device, having a blow head disposed under the core box, for filling the core box with core sand directed upward from the blow head; the blow head having a sand blow chamber for guiding the core sand to the core box while being connected to the core box and a sand storage chamber communicating with the sand blow chamber; the sand filling device having a compressed air supply unit for supplying a compressed air for blowing the core sand into the core box and an aeration air supply unit for supplying an aeration air for floating and fluidizing the core sand within the sand blow chamber.Type: GrantFiled: February 7, 2013Date of Patent: January 3, 2017Assignee: SINTOKOGIO, LTD.Inventors: Shigeyoshi Kato, Etsuya Ohashi, Hisashi Harada
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Patent number: 9505052Abstract: A tooling for fabricating a foundry core, for making a circuit for cooling a blade of a turbine engine, the tooling including: a mold for injecting a paste and including imprints for a first portion and a second portion of the core; a mechanism bearing against and/or engaging end portions of a ceramic rod that interconnects the portions of the core and that passes through the imprint for the first portion of the core; and a support mechanism in the imprint for the first portion of the core to support a substantially middle portion of the rod.Type: GrantFiled: May 7, 2013Date of Patent: November 29, 2016Assignee: SNECMAInventors: Franck Edmond Maurice Truelle, Christian Bariaud, Philippe Bouthemy, Patrick Pourfilet, Jean-Louis Martial Verger, Alain Grandin, Daniel Quach
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Patent number: 9498819Abstract: A refractory mold is disclosed. The refractory mold includes a fugitive pattern assembly comprising a hollow sprue that comprises a sprue wall disposed about a longitudinal axis; a pattern disposed outwardly of the sprue wall; and an outwardly extending gate attached to and extending between the sprue wall and the pattern, the hollow sprue, pattern and gate each formed from a fugitive material; and a refractory mold formed on and having a mold cavity defined by an outer surface of the fugitive pattern assembly.Type: GrantFiled: March 14, 2013Date of Patent: November 22, 2016Assignee: Hitchiner Manufacturing Co., Inc.Inventors: Michael R. Hanrahan, Skip L. Patteuw
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Patent number: 9492864Abstract: A mold apparatus for casting a cylinder block having a cast-in cylinder liner by installing the cylinder liner inside a cavity and pouring a melt into the cavity, the mold apparatus includes a first mold and a bore pin. The first mold defines a deck surface of the cylinder block. The bore pin is in the first mold so as to hold the cylinder liner inside the cavity when the mold is closed. The bore pin is configured to hold the cylinder liner interposed by a gap, and the gap is arranged so as to enable gas produced during the cast-molding to be discharged therethrough.Type: GrantFiled: July 24, 2014Date of Patent: November 15, 2016Assignee: Aichi Machine Industry, Co., Ltd.Inventor: Yoshinori Nishikawa
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Patent number: 9486852Abstract: A radial pattern assembly is disclosed. The assembly includes a hollow sprue comprising a sprue wall disposed about a longitudinal axis, the sprue wall having a thickness, a length and a periphery. The assembly also includes a pattern disposed radially outwardly of the sprue wall. The assembly further includes a radially outwardly extending gate attached to and extending between the sprue wall and the pattern, the hollow sprue, pattern and gate each formed from a fugitive material.Type: GrantFiled: March 14, 2013Date of Patent: November 8, 2016Assignee: Hitchiner Manufacturing Co., Inc.Inventors: Michael R. Hanrahan, Skip L. Patteuw
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Patent number: 9481029Abstract: A method of making a radial pattern assembly is disclosed. The method includes forming a hollow sprue comprising a sprue wall disposed about a longitudinal axis, the sprue wall having a thickness, a length and a periphery; a pattern disposed outwardly of the sprue wall; and an outwardly extending gate attached to and extending between an outer surface of the sprue wall and the pattern, the hollow sprue, pattern and gate each formed from a fugitive material.Type: GrantFiled: March 14, 2013Date of Patent: November 1, 2016Assignee: Hitchiner Manufacturing Co., Inc.Inventors: Michael R. Hanrahan, Skip L. Patteuw
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Patent number: 9475115Abstract: A centrifugal casting method for producing a casting of a metallic material comprises positioning a rotatable assembly comprising a plurality of gates and a plurality of cavities positioned about a sprue chamber. The plurality of gates and the plurality of cavities are positioned to receive molten metallic material from the sprue chamber in a general direction of centrifugal force. Each of the plurality of gates is coupled to one of the plurality of cavities, and at least two of the plurality of cavities are stacked. The method further comprises rotating the rotatable assembly. The method further comprises delivering a supply of molten metallic material to the sprue chamber.Type: GrantFiled: November 11, 2015Date of Patent: October 25, 2016Assignee: ATI Properties LLCInventors: John W. Foltz, IV, Raul A. Martinez-Ayers, Aaron L. Fosdick
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Patent number: 9457397Abstract: Molten metal poured into a mold region, delimited by a first casting roll that rotates about a first rotational axis, produces a metal strand upon solidification which is conveyed out of the mold region. A liquid coolant is applied to the surface of the first casting roll by a first cooling device via first coolant lines and first coolant applying devices. The coolant is inert with respect to the molten metal and has a standard boiling point below 20° C., e.g., ?20° C., at normal air pressure, and an operating temperature at or below an operating boiling point at an operating pressure at which the coolant is supplied. A control device automatically controls the first cooling device by ascertaining a control state of the first cooling device using a target property for an actual property of the first casting roll or the metal strand detected by at least one sensor.Type: GrantFiled: July 10, 2012Date of Patent: October 4, 2016Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Johannes Dagner, Thomas Matschullat, Günther Winder
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Patent number: 9427797Abstract: An up-drawing continuous casting apparatus according to one aspect of the invention includes a molten metal holding furnace that holds molten metal; a shape determining member that is arranged near a molten metal surface of the molten metal held in the molten metal holding furnace, and that determines a sectional shape of a cast casting by the molten metal passing through the shape determining member, the shape determining member including a pattern provided on an upper surface of the shape determining member; an imaging portion configured to capture an image of the pattern that is reflected onto both retained molten metal that has passed through the shape determining member, and the casting formed by the retained molten metal solidifying; an image analyzing portion configured to determine a solidification interface from the image; and a casting controlling portion configured to change a casting condition.Type: GrantFiled: March 4, 2015Date of Patent: August 30, 2016Assignee: Toyota Jidosha Kabushiki KaishaInventors: Naoaki Sugiura, Shoichi Tsuchiya, Yusuke Yokota
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Patent number: 9409231Abstract: A method including positioning an insert in a vertical mold including a first mold portion and a second mold portion; and casting a material including a metal around at least a portion of the insert.Type: GrantFiled: May 15, 2014Date of Patent: August 9, 2016Assignee: GM Global Technology Operations LLCInventors: Michael D. Hanna, Mohan Sundar, Andrew Schertzer
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Patent number: 9393614Abstract: A continuous casting mold for casting a strand of metal includes a sidewall having an inner circumference to define a mold cavity which has a pouring opening for liquid metal and an outlet opening for a cast strand. The mold cavity has a cross section sized to correspond to a basic shape of the cast strand. The sidewall is provided with a profiling in the form of a corrugation that extends in a casting direction and forms grooves extending in substantial parallel relationship from the pouring opening to the outlet opening of the mold cavity. A ratio of the inner circumference of the mold cavity to a width of each of the grooves is greater than 30, and the width of the groove is in the range of 1.5 mm to 30 mm.Type: GrantFiled: April 18, 2013Date of Patent: July 19, 2016Assignee: KME GERMANY GMBH & CO. KGInventor: Donald Peter Lorento
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Patent number: 9384889Abstract: A vacuum induction melting and strip casting equipment for rare earth permanent magnetic alloy includes a vacuum induction melting and strip casting chamber, a material receiving heat preservation treatment chamber, a cooling chamber and an isolation valve. The isolation valve is located between the material receiving heat preservation treatment chamber and the cooling chamber, the vacuum induction melting and strip casting chamber is located above the material receiving heat preservation treatment chamber, an outlet of a material guiding tube of the vacuum induction melting and strip casting chamber is corresponding to the material receiving heat preservation treatment chamber. Water-cooled electrodes, a vacuum pumping device, an inert gas introduction pipeline, a temperature measurement mechanism, a pressure gauge, a vacuum gauge and a safety valve are provided on the vacuum induction melting and strip casting chamber.Type: GrantFiled: November 6, 2013Date of Patent: July 5, 2016Assignee: SHENYANG NORTH VACUUM TECHNOLOGY CO., LTDInventors: Baoyu Sun, Xiaodong Chen
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Patent number: 9381569Abstract: A method and apparatus for vacuum or air casting a molten superalloy, or other metal or alloy, containing an oxygen-reactive alloying element to form a cast part involves introducing the molten metallic material (melt) into a preheated mold having a melt reservoir, such as for example a mold pour cup, and gating for feeding the melt to one or more mold cavities. An induction coil disposed locally adjacent to the mold pour cup is energized in a manner to locally heat excess melt left in the melt reservoir to maintain it molten as the melt solidifies under vacuum or in air in the mold cavity to avoid shrinkage defects in the cast part.Type: GrantFiled: March 7, 2013Date of Patent: July 5, 2016Assignee: Howmet CorporationInventors: Russell G. Vogt, Christopher R. Hanslits