Patents Assigned to Shibaura Machine CO., LTD.
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Publication number: 20220062978Abstract: A die casting machine of an embodiment includes: a holding furnace holding molten metal; a sleeve located outside the holding furnace and having a molten metal supply port passing through a mold; a plunger sliding through the sleeve and including a plunger rod and a plunger tip fixed to a tip of the plunger rod; a molten metal supply pipe pushed against the sleeve to cover the molten metal supply port and supplying the molten metal into the sleeve; and a pushing force variable mechanism reducing a pushing force for the sleeve in the molten metal supply pipe when the plunger is sliding.Type: ApplicationFiled: November 10, 2021Publication date: March 3, 2022Applicant: SHIBAURA MACHINE CO., LTD.Inventors: Makoto TSUJI, Yuto HAYASHI, Saburo NODA
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Patent number: 11256229Abstract: An industrial machinery includes: a drive mechanism driving a control target that moves work or a tool; a motor; a first sensor detecting a position of the control target; a second sensor detecting a position of the motor; a current controller controlling a supply current to the motor; a servo controller outputting a torque instruction to the current controller; and a numerical controller calculating a processing force of the control target to the work based on position information on the control target acquired from the first sensor, position information on the motor acquired from the second sensor, and the torque instruction, the numerical controller determining that the tool is in failure if an absolute value of a first component of the processing force becomes equal to or larger than a first threshold value while processing the work, the first component having a frequency lower than a predetermined frequency.Type: GrantFiled: January 17, 2020Date of Patent: February 22, 2022Assignee: Shibaura Machine Co., Ltd.Inventors: Takamichi Ito, Jun Fujita, Atsushi Tada, Hirohiko Matsuzaki
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Patent number: 11230033Abstract: At a part of the screw main body at which the kneading portion is provided, conveyance portions, a barrier portion and a path are provided at a plurality of places. At least one of the places, the path is provided inside the screw main body, and includes an entrance and an exit. The entrance is opened in such a manner that the raw material whose pressure is enhanced by being restricted in conveyance by the barrier portion flows into the entrance. The path is formed in such a manner that the raw material flowing into the path from the entrance flows toward the exit in a direction opposite to the direction of conveyance.Type: GrantFiled: October 27, 2017Date of Patent: January 25, 2022Assignee: Shibaura Machine Co., Ltd.Inventors: Akiyoshi Kobayashi, Shigeyuki Fujii, Takafumi Sameshima
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Patent number: 11229889Abstract: A conveyance portion, a barrier portion, and a path are provided at places of a screw main body in which a kneading portion is provided. In at least one of the places, the path is provided inside the screw main body, and includes an entrance and an exit. The entrance is opened to urge the raw materials having the conveyance limited by the barrier portion to increase pressure on the raw materials, to flow in the entrance. The raw materials flowing from the entrance flow through the path in the same direction as a conveyance direction of the conveyance portion.Type: GrantFiled: October 27, 2017Date of Patent: January 25, 2022Assignee: Shibaura Machine Co., Ltd.Inventors: Akiyoshi Kobayashi, Shigeyuki Fujii, Takafumi Sameshima
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Patent number: 11224991Abstract: An extruder screw conveying raw materials while kneading them includes a screw main body, conveyance portions, barrier portions, and paths. The conveyance portions convey the raw materials in an axial direction. The paths each include an entrance and an exit. The raw materials, the conveyance of which is limited by the barrier portions, flow in from the entrance. The raw materials flowing in from the entrance flow through the paths in the same direction as a conveyance direction of the conveyance portions. The exit is opened in the outer circumferential surface of the screw main body at a position outside the conveyance portions in which the entrance is opened.Type: GrantFiled: July 27, 2016Date of Patent: January 18, 2022Assignees: Shibaura Machine Co., Ltd., HSP Technologies Inc.Inventors: Akiyoshi Kobayashi, Shigeyuki Fujii, Takafumi Sameshima, Hiroshi Shimizu
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Patent number: 11220022Abstract: An extruder screw conveying raw materials while kneading them includes a screw main body, conveyance portions, barrier portions, and paths. The conveyance portions convey the raw materials in an axial direction. The paths each include an entrance and an exit. The raw materials, the conveyance of which is limited by the barrier portions, flow in from the entrance. The raw materials flowing in from the entrance flow through the paths in an opposite direction to a conveyance direction. The exit is opened in the outer circumferential surface of the screw main body at a position outside the conveyance portions in which the entrance is opened.Type: GrantFiled: July 27, 2016Date of Patent: January 11, 2022Assignees: Shibaura Machine Co., Ltd., HSP Technologies Inc.Inventors: Akiyoshi Kobayashi, Shigeyuki Fujii, Takafumi Sameshima, Hiroshi Shimizu
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Patent number: 11213997Abstract: A transfer apparatus of an embodiment includes a substrate installation part on which a substrate provided with an uncured material is installed, a mold presser roller for pressing the mold against the substrate by a movement of the mold presser roller to the substrate installed on the substrate installation part, and a material recovery unit capable of recovering the uncured material protruding from between the substrate and the mold by the movement of the mold pressure.Type: GrantFiled: April 11, 2018Date of Patent: January 4, 2022Assignee: Shibaura Machine Co., Ltd.Inventors: Mitsunori Kokubo, Yuki Sugiura, Shigeru Fujiwara, Yuki Hashimoto
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Publication number: 20210394412Abstract: A movable platen according to the present invention includes: a mold clamping platen 42 having a projecting portion 62 in a mold closing direction-side surface; a mold mounting platen 44 mounted to the projecting portion 62 of the mold clamping paten 42; and a guide mechanism 50 fixed to the mold clamping paten 42 and supporting the mold mounting platen 44. Only the mold clamping paten 42 is fixed to the guide mechanism 50, while the mold mounting platen 44 is not fixed but placed on platen surface support portions 52.Type: ApplicationFiled: June 30, 2021Publication date: December 23, 2021Applicant: Shibaura Machine Co., Ltd.Inventors: HIDEAKI KITTA, NORIYUKI SASAKI, MASATO KINOSHITA
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Patent number: 11179876Abstract: A transfer apparatus includes a rolled web mold installation part for installing a rolled web mold around which the mold is wound, a transfer roller for winding the mold fed out from the rolled web mold, a winding roll for winding up the mold, a winding roll installation part for installing the winding roll therein, and a mold installation assisting part for guiding the mold fed out from the rolled web mold up to the winding roll while suppressing an occurrence of wrinkles in the mold fed out from the rolled web mold.Type: GrantFiled: October 25, 2018Date of Patent: November 23, 2021Assignee: SHIBAURA MACHINE CO., LTD.Inventors: Mitsunori Kokubo, Takato Baba, Toshiaki Goto
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Publication number: 20210354362Abstract: A conveyance portion, a barrier portion, and a path are provided at places of a portion of a screw main body in which a kneading portion is provided. In at least one of the places, an entrance is opened to cause raw materials, conveyance of which is limited by a barrier portion to increase pressure on the raw materials, to flow in. The raw materials flowing in from the entrance flow through the path in the opposite direction to a conveyance direction of the conveyance portion. An exit is opened in an outer circumferential surface of the screw main body at a position outside the conveyance portion in which the entrance is opened.Type: ApplicationFiled: July 28, 2021Publication date: November 18, 2021Applicant: Shibaura Machine Co., Ltd.Inventors: Akiyoshi KOBAYASHI, Shigeyuki FUJII, Takafumi SAMESHIMA
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Publication number: 20210316492Abstract: A screw includes a screw main body, a conveyance portion conveying a raw material, and a passage provided in the screw main body. The passage includes a first passage element, a second passage element, and a third passage element. The screw main body has a plurality of cylindrical bodies arranged in an axial direction of the rotating shaft. At least a portion of the conveyance portion is formed on outer peripheral surfaces of the cylindrical bodies adjacent to each other, and the passage is formed in the cylindrical body so as to cross over between the adjacent cylindrical bodies.Type: ApplicationFiled: June 23, 2021Publication date: October 14, 2021Applicants: Shibaura Machine Co., Ltd., HSP Technologies Inc.Inventors: Akiyoshi KOBAYASHI, Shigeyuki FUJII, Takafumi SAMESHIMA, Hiroshi SHIMIZU
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Patent number: 11110638Abstract: A conveyance portion, a barrier portion, and a path are provided at places of a portion of a screw main body in which a kneading portion is provided. In at least one of the places, an entrance is opened to cause raw materials, conveyance of which is limited by a barrier portion to increase pressure on the raw materials, to flow in. The raw materials flowing in from the entrance flow through the path in the opposite direction to a conveyance direction of the conveyance portion. An exit is opened in an outer circumferential surface of the screw main body at a position outside the conveyance portion in which the entrance is opened.Type: GrantFiled: November 8, 2016Date of Patent: September 7, 2021Assignee: SHIBAURA MACHINE CO., LTD.Inventors: Akiyoshi Kobayashi, Shigeyuki Fujii, Takafumi Sameshima
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Patent number: 11077594Abstract: A movable platen according to the present invention includes: a mold clamping platen 42 having a projecting portion 62 in a mold closing direction-side surface; a mold mounting platen 44 mounted to the projecting portion 62 of the mold clamping platen 42; and a guide mechanism 50 fixed to the mold clamping platen 42 and supporting the mold mounting platen 44. Only the mold clamping platen 42 is fixed to the guide mechanism 50, while the mold mounting platen 44 is not fixed but placed on platen surface support portions 52.Type: GrantFiled: February 18, 2016Date of Patent: August 3, 2021Assignee: Shibaura Machine Co., Ltd.Inventors: Hideaki Kitta, Noriyuki Sasaki, Masato Kinoshita
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Patent number: 11072104Abstract: A screw includes a screw main body, a conveyance portion conveying a raw material, and a passage provided in the screw main body. The passage includes a first passage element, a second passage element, and a third passage element. The screw main body has a plurality of cylindrical bodies arranged in an axial direction of the rotating shaft. At least a portion of the conveyance portion is formed on outer peripheral surfaces of the cylindrical bodies adjacent to each other, and the passage is formed in the cylindrical body so as to cross over between the adjacent cylindrical bodies.Type: GrantFiled: April 26, 2017Date of Patent: July 27, 2021Assignees: Shibaura Machine Co., LTD., HSP Technologies Inc.Inventors: Akiyoshi Kobayashi, Shigeyuki Fujii, Takafumi Sameshima, Hiroshi Shimizu
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Publication number: 20210063995Abstract: A method for processing a workpiece with a tool is provided with holding the workpiece, holding the tool, and moving the held tool relative to the held workpiece in accordance with an NC program including an arithmetic expression to calculate a position of the held tool.Type: ApplicationFiled: May 9, 2019Publication date: March 4, 2021Applicant: Shibaura Machine Co., Ltd.Inventor: Koji TSUCHIYA
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Publication number: 20210016481Abstract: A plasticizing device includes a barrel including a resin material supply port portion and a fiber supply port portion which is formed on a distal side from the resin material supply port portion; and a screw that comprises a shaft body and a flight, and is received in the barrel. The barrel is disposed with a posture in which its axial line intersects a gravitational direction. A maximum length of an opening in the barrel of the fiber supply port portion along an axial direction of the barrel is 1 time or more and 2 times or less as much as a pitch of the flight disposed in a portion of the screw which faces the opening in the barrel of the fiber supply port portion in a direction perpendicular to the axial line of the barrel.Type: ApplicationFiled: October 2, 2020Publication date: January 21, 2021Applicant: SHIBAURA MACHINE CO., LTD.Inventor: MASAMICHI MOMONO
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Publication number: 20210016482Abstract: 1. A plasticizing device includes a barrel including a resin material supply port portion and a fiber supply port portion which is formed on a distal side from the resin material supply port portion; and a screw that comprises a shaft body and a flight, and is received in the barrel. The barrel is disposed with a posture in which its axial line intersects a gravitational direction. A maximum length of an opening in the barrel of the fiber supply port portion along an axial direction of the barrel is 1 time or more and 2 times or less as much as a pitch of the flight disposed in a portion of the screw which faces the opening in the barrel of the fiber supply port portion in a direction perpendicular to the axial line of the barrel.Type: ApplicationFiled: October 2, 2020Publication date: January 21, 2021Applicant: SHIBAURA MACHINE CO., LTD.Inventor: MASAMICHI MOMONO
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Patent number: 10850431Abstract: A conveyance device includes a plurality of holding mechanisms and one or more pressing mechanisms, the holding mechanisms each include a holder that holds a molding material and a holder movement mechanism that moves the holder, and the pressing mechanisms each include a pusher that comes into contact with and pushes the molding material and a pusher movement mechanism that moves the pusher.Type: GrantFiled: December 4, 2017Date of Patent: December 1, 2020Assignees: SHIBAURA MACHINE CO., LTD., TEIJIN LIMITEDInventors: Kazuhito Sato, Chiaki Shigematsu, Hodaka Yokomizo, Tetsuya Yoneda, Akihiko Obata
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Patent number: 10843387Abstract: To provide a method of manufacturing a press molding by molding a molding material comprising reinforced fibers and a thermoplastic resin by a cold press method. The method of manufacturing a press molding comprising reinforced fibers and a thermoplastic resin, includes the steps of: holding the molding material heated at a temperature not lower than the softening temperature with a plurality of grippers installed on a carrier; carrying the molding material between the upper mold and the lower mold of a mold for molding; pushing the molding material with pushers to preform it at a predetermined preforming rate; and press molding the preformed molding by closing the upper mold and the lower mold and applying pressure.Type: GrantFiled: December 16, 2016Date of Patent: November 24, 2020Assignees: TEIJIN LIMITED, SHIBAURA MACHINE CO., LTD.Inventors: Hodaka Yokomizo, Tetsuya Yoneda, Akihiko Obata, Kazuhito Sato, Chiaki Shigematsu
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Publication number: 20200341432Abstract: A machine learning method according to an embodiment is a machine learning method performed by a computer and includes the steps of: allowing a calculator to calculate output information from each of items of input information; determining whether the output information is correct or incorrect based on the output information and answer information set for the plurality of pieces of input information; allowing the calculator to calculate the output information from each of at least one first input information, which is included in the plurality of pieces of input information and corresponds to the output information determined to be incorrect, and at least one second input information included in the plurality of pieces of input information; and changing the calculator based on the output information.Type: ApplicationFiled: April 20, 2020Publication date: October 29, 2020Applicant: Shibaura Machine CO., LTD.Inventors: Kentaro ISHIBASHI, Yuta SUZUKI