Patents by Inventor Shuji Takasu
Shuji Takasu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11660664Abstract: A mold molding apparatus can successively mold casting molds having the necessary casting mold strength, and a method for controlling the mold molding apparatus. A molding sensor measures a pressure of molding sand exerted on a surface of one or both of a pattern plate and a squeeze foot, or on a surface of one or both of a pattern plate and a squeeze board; and a control device that controls operation of the mold molding apparatus based on outputs from the molding sensors.Type: GrantFiled: April 25, 2019Date of Patent: May 30, 2023Assignee: SINTOKOGIO, LTD.Inventors: Shuji Takasu, Takehiro Sugino
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Patent number: 11628490Abstract: A mold molding apparatus can successively mold casting molds having the necessary casting mold strength, and a method for controlling the mold molding apparatus. A molding sensor measures a pressure of molding sand exerted on a surface of one or both of a pattern plate and a squeeze foot, or on a surface of one or both of a pattern plate and a squeeze board; and a control device that controls operation of the mold molding apparatus based on outputs from the molding sensors.Type: GrantFiled: April 25, 2019Date of Patent: April 18, 2023Assignee: SINTOKOGIO, LTD.Inventors: Shuji Takasu, Takehiro Sugino
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Patent number: 11597003Abstract: A mold molding apparatus can successively mold casting molds having the necessary casting mold strength, and a method for controlling the mold molding apparatus. A molding sensor measures a pressure of molding sand exerted on a surface of one or both of a pattern plate and a squeeze foot, or on a surface of one or both of a pattern plate and a squeeze board; and a control device that controls operation of the mold molding apparatus based on outputs from the molding sensors.Type: GrantFiled: April 25, 2019Date of Patent: March 7, 2023Assignee: SINTOKOGIO, LTD.Inventors: Shuji Takasu, Takehiro Sugino
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Patent number: 11529675Abstract: A mold molding apparatus can successively mold casting molds having the necessary casting mold strength, and a method for controlling the mold molding apparatus. A molding sensor measures a pressure of molding sand exerted on a surface of one or both of a pattern plate and a squeeze foot, or on a surface of one or both of a pattern plate and a squeeze board; and a control device that controls operation of the mold molding apparatus based on outputs from the molding sensors.Type: GrantFiled: April 25, 2019Date of Patent: December 20, 2022Assignee: SINTOKOGIO, LTD.Inventors: Shuji Takasu, Takehiro Sugino
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Publication number: 20210229165Abstract: A mold molding apparatus can successively mold casting molds having the necessary casting mold strength, and a method for controlling the mold molding apparatus. A molding sensor measures a pressure of molding sand exerted on a surface of one or both of a pattern plate and a squeeze foot, or on a surface of one or both of a pattern plate and a squeeze board; and a control device that controls operation of the mold molding apparatus based on outputs from the molding sensors.Type: ApplicationFiled: April 25, 2019Publication date: July 29, 2021Applicant: SINTOKOGIO, LTD.Inventors: Shuji TAKASU, Takehiro SUGINO
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Patent number: 11045866Abstract: A method is provided for measuring a shift between a carrier for a pattern (a carrier plate) and a flask and preventing a defect caused by a shift in the cavity parts.Type: GrantFiled: November 15, 2018Date of Patent: June 29, 2021Assignee: Sintokogio, Ltd.Inventors: Takashi Hanai, Takehiro Sugino, Kazunori Ogura, Yoshimitsu Ichino, Shuji Takasu
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Publication number: 20210069776Abstract: A device for spraying a mold-releasing agent and a method therefor is provided by which a sticker and a defective drawing of a mold are prevented from occurring by detecting a leak of the mold-releasing agent, a clogging of a nozzle for spraying the mold-releasing agent, or a failure of a piece of equipment of the device for spraying the mold-releasing agent, to properly control the volume of the sprayed mold-releasing agent.Type: ApplicationFiled: February 19, 2019Publication date: March 11, 2021Applicant: Sintokogio, Ltd.Inventors: Shuji TAKASU, Tokiya TERABE
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Publication number: 20210053108Abstract: A method is provided for measuring a shift between a carrier for a pattern (a carrier plate) and a flask and preventing a defect caused by a shift in the cavity parts.Type: ApplicationFiled: November 15, 2018Publication date: February 25, 2021Applicant: Sintokogio, Ltd.Inventors: Takashi HANAI, Takehiro SUGINO, Kazunori OGURA, Yoshimitsu ICHINO, Shuji TAKASU
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Publication number: 20200222973Abstract: A flaskless molding machine includes an upper flask, a lower flask capable of clamping a match plate with the upper flask, a filling frame connectable to the lower flask, a first squeeze board movable into and out from the upper flask, a second squeeze board movable into and out from the filling frame, a filling frame cylinder moving the filling frame relative to the second squeeze board, a squeeze cylinder integrally moving the filling frame, the second squeeze board, and the filling frame cylinder, and a control unit configured to control the filling frame cylinder and the squeeze cylinder. A mold height changing unit includes a stopper limiting a stroke length of the filling frame cylinder to a predetermined length.Type: ApplicationFiled: April 13, 2018Publication date: July 16, 2020Applicant: SINTOKOGIO, LTD.Inventors: Shuji TAKASU, Takayuki KOMIYAMA
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Patent number: 9857493Abstract: A method for detecting powder is performed in a powder detection device including a pair of electrodes arranged to be opposed to each other with a gap interposed therebetween and an electric circuit electrically connected to the pair of electrodes. The method includes detecting powder filling in a case where the electric circuit together with powder and the electrodes forms a closed circuit when the powder fills the gap.Type: GrantFiled: August 5, 2013Date of Patent: January 2, 2018Assignee: SINTOKOGIO, LTD.Inventors: Hiroyasu Makino, Minoru Hirata, Shuji Takasu, Hiroyuki Miyazaki, Matthias Strehle
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Publication number: 20170283565Abstract: The present invention provides a thin-film sheet configured from a single layer or a plurality of layers less than or equal to three layers including at least a cellulose fine-fiber layer that includes regenerated cellulose fine fibers by 50 wt % or more, wherein the thin-film sheet achieves improvements in both thermal stability (thermal coefficient of linear expansion and retention of elasticity at high temperature) and sheet strength, and is characterized in that the requirements: (1) the specific surface area equivalent fiber diameter of fibers constituting the cellulose fine-fiber layer is 0.20-2.0 ?m inclusive; (2) the air impermeability is 1-100,000 s/100 ml inclusive; and (3) the sheet thickness is 2-22 ?m inclusive are satisfied. The present invention also provides a composite sheet, a composite prepreg sheet, a separator for power storage devices, etc., that include the thin-film sheet.Type: ApplicationFiled: September 25, 2015Publication date: October 5, 2017Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Hirofumi ONO, Shuji TAKASU, Yamato SAITO
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Patent number: 9670622Abstract: Provided is a multilayered structure comprising at least one fine cellulose fiber nonwoven fabric layer made of a fine cellulose fiber, wherein the multilayered structure is characterized in that the mean fiber diameter of the fine cellulose fiber forming the fine cellulose fiber non-woven fabric layer is 0.005 to 0.5 ?m, and the mean thickness of the multilayered structure is 10 to 200 ?m, the density thereof is 0.10 to 0.90 g/cm3, and the permeability resistance thereof is 2000 s/100 ml or more. Also provided are an energy recovery ventilation sheet made of this multilayered structure, an energy recovery ventilation element using this energy recovery ventilation sheet as a partitioning material for partitioning two types of air flow of different temperature and/or humidity, and a energy recovery ventilator using this energy recovery ventilation element.Type: GrantFiled: March 10, 2016Date of Patent: June 6, 2017Assignee: ASAHI KASEI FIBERS CORPORATIONInventors: Hirofumi Ono, Shuji Takasu, Atsushi Horii, Satoru Yoshida
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Patent number: 9580873Abstract: Provided is a multilayered structure comprising at least one fine cellulose fiber nonwoven fabric layer made of a fine cellulose fiber, wherein the multilayered structure is characterized in that the mean fiber diameter of the fine cellulose fiber forming the fine cellulose fiber non-woven fabric layer is 0.005 to 0.5 ?m, and the mean thickness of the multilayered structure is 10 to 200 ?m, the density thereof is 0.10 to 0.90 g/cm3, and the permeability resistance thereof is 2000 s/100 ml or more. Also provided are an energy recovery ventilation sheet made of this multilayered structure, an energy recovery ventilation element using this energy recovery ventilation sheet as a partitioning material for partitioning two types of air flow of different temperature and/or humidity, and a energy recovery ventilator using this energy recovery ventilation element.Type: GrantFiled: July 19, 2013Date of Patent: February 28, 2017Assignee: ASAHI KASEI FIBERS CORPORATIONInventors: Hirofumi Ono, Shuji Takasu, Atsushi Horii, Satoru Yoshida
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Publication number: 20160194832Abstract: Provided is a multilayered structure comprising at least one fine cellulose fiber nonwoven fabric layer made of a fine cellulose fiber, wherein the multilayered structure is characterized in that the mean fiber diameter of the fine cellulose fiber forming the fine cellulose fiber non-woven fabric layer is 0.005 to 0.5 ?m, and the mean thickness of the multilayered structure is 10 to 200 ?m, the density thereof is 0.10 to 0.90 g/cm3, and the permeability resistance thereof is 2000 s/100 ml or more. Also provided are an energy recovery ventilation sheet made of this multilayered structure, an energy recovery ventilation element using this energy recovery ventilation sheet as a partitioning material for partitioning two types of air flow of different temperature and/or humidity, and a energy recovery ventilator using this energy recovery ventilation element.Type: ApplicationFiled: March 10, 2016Publication date: July 7, 2016Applicant: ASAHI KASEI FIBERS CORPORATIONInventors: Hirofumi ONO, Shuji TAKASU, Atsushi HORII, Satoru YOSHIDA
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Publication number: 20150346371Abstract: A method for detecting powder is performed in a powder detection device including a pair of electrodes arranged to be opposed to each other with a gap interposed therebetween and an electric circuit electrically connected to the pair of electrodes. The method includes detecting powder filling in a case where the electric circuit together with powder and the electrodes forms a closed circuit when the powder fills the gap.Type: ApplicationFiled: August 5, 2013Publication date: December 3, 2015Applicant: SINTOKOGIO, LTD.Inventors: Hiroyasu MAKINO, Minoru HIRATA, Shuji TAKASU, Hiroyuki MIYAZAKI, Matthias STREHLE
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Publication number: 20150167249Abstract: Provided is a multilayered structure comprising at least one fine cellulose fiber nonwoven fabric layer made of a fine cellulose fiber, wherein the multilayered structure is characterized in that the mean fiber diameter of the fine cellulose fiber forming the fine cellulose fiber non-woven fabric layer is 0.005 to 0.5 ?m, and the mean thickness of the multilayered structure is 10 to 200 ?m, the density thereof is 0.10 to 0.90 g/cm3, and the permeability resistance thereof is 2000 s/100 ml or more. Also provided are an energy recovery ventilation sheet made of this multilayered structure, an energy recovery ventilation element using this energy recovery ventilation sheet as a partitioning material for partitioning two types of air flow of different temperature and/or humidity, and a energy recovery ventilator using this energy recovery ventilation element.Type: ApplicationFiled: July 19, 2013Publication date: June 18, 2015Applicant: AAHI KASEI FIBERS CORPORATIONInventors: Hirofumi Ono, Shuji Takasu, Atsushi Horii, Satoru Yoshida
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Patent number: 8899306Abstract: A flaskless molding equipment for molding a mold that provides support for quickly restoring the stopped equipment to a normal operation. The control circuit monitors the movements of the movable members, the cylinders, and the mechanisms for driving a cylinder, and if the period of the operation of each step of the flaskless molding equipment for molding a mold from the start of the operation to the point where the operation of the flaskless molding equipment for molding a mold reaches the predetermined position exceeds the predetermined period that is set to be abnormal, then the control circuit provides support for restoring the stopped equipment to a normal operation, following the instructions displayed on the screen and following the operator's input by means of an input switch.Type: GrantFiled: December 9, 2013Date of Patent: December 2, 2014Assignee: Sintokogio, Ltd.Inventors: Shuji Takasu, Yutaka Hadano
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Publication number: 20140182805Abstract: A flaskless molding equipment for molding a mold that provides support for quickly restoring the stopped equipment to a normal operation. The control circuit monitors the movements of the movable members, the cylinders, and the mechanisms for driving a cylinder, and if the period of the operation of each step of the flaskless molding equipment for molding a mold from the start of the operation to the point where the operation of the flaskless molding equipment for molding a mold reaches the predetermined position exceeds the predetermined period that is set to be abnormal, then the control circuit provides support for restoring the stopped equipment to a normal operation, following the instructions displayed on the screen and following the operator's input by means of an input switch.Type: ApplicationFiled: December 9, 2013Publication date: July 3, 2014Applicant: SINTOKOGIO, LTD.Inventors: Shuji TAKASU, Yutaka Hadano
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Patent number: 8701744Abstract: A molding machine which allows a simplification of a sand filling operation, and the prevention of the formation of a bridge and an air channel in the sand tank, so that the sand filling operation of the molding machine is able to be performed steadily. The molding machine of the present invention includes: a sand tank for storing molding sand to be introduced to a molding flask; a pair of upper and lower sand filling nozzles to guide the molding sand in a horizontal direction, where the molding sand is supplied from a pair of upper and lower sand introducing parts which are located at the lower part of the sand tank; and at least one filter part with a plurality of air-injecting apertures on its entire body, which is attached to at least the entire inner surfaces of the pair of sand introducing parts; wherein the molding sand is fluidized by air injected through the air-injecting apertures of the filter part, and introduced to the molding flask through the sand filling nozzles.Type: GrantFiled: June 3, 2010Date of Patent: April 22, 2014Assignee: Sintokogio, Ltd.Inventors: Shuji Takasu, Yutaka Hadano, Takayuki Komiyama, Takuya Nitta, Shuichi Tsuzuki
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Patent number: 8616263Abstract: Disclosed is a molding machine for simultaneously making upper and lower molds with cope and drag flasks, a matchplate, upper and lower squeezing boards, and a lower filling frame. This machine also includes a cylinder for raising and lowering the lower squeezing board, a driving mechanism that includes pneumatic and hydraulic piping systems for driving the cylinder using an air-on-oil system, and a controller for controlling the driving mechanism. The drag flask, the matchplate, the filling frame, and the lower board define a lower molding space, while the matchplate, the upper board, and the cope flask define an upper molding space such that the controller controls the driving mechanism to drive the cylinder at a low pressure. The lower squeezing board is raised to squeeze the molding sand for simultaneously making the two molds such that the controller controls the driving mechanism to drive the cylinder at a high pressure.Type: GrantFiled: July 20, 2010Date of Patent: December 31, 2013Assignee: Sintokogio, Ltd.Inventors: Yutaka Hadano, Takayuki Komiyama, Shuji Takasu, Shuichi Ide, Takuya Nitta