Patents Assigned to Toshiba Kikai Kabushiki Kaisha
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Patent number: 10730212Abstract: An opening/closing device (14) includes: a stationary platen (20); a movable platen (22) capable of moving toward or away from the stationary platen (20); an opening/closing mechanism (28) having a plurality of toggle links (30, 31, 32) at least one (32) of which is connected to the movable platen (22); a driving device (37) including a cross head (26) connected to at least one (30) of the toggle links and capable of moving the movable platen (22); and a control portion (50). The control portion (50) is configured to control the cross head (26) such that the movable platen (22) moves at fixed speed during fine die-opening operation.Type: GrantFiled: November 17, 2015Date of Patent: August 4, 2020Assignee: Toshiba Kikai Kabushiki KaishaInventors: Takeshi Nagami, Takeshi Iida
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Patent number: 10723063Abstract: An apparatus for manufacturing a molded body assembly includes: a to-be-molded body holder configured to hold a to-be-molded body placed thereon; a raw material roll placement portion in which a mold raw material roll is placed; a mold holder configured to hold a leading edge portion of an uncut mold extending from the mold raw material roll, and to move relative to the to-be-molded body holder; a transfer unit configured to transfer a fine transfer pattern of the uncut mold to the to-be-molded body placed on and held by the to-be-molded body holder, a cutting unit; and a controller configured to control the to-be-molded body holder, the mold holder, the transfer unit, and the cutting unit configured to cut the uncut mold at a predetermined position in a longitudinal direction thereof, thereby manufacturing a mold body assembly.Type: GrantFiled: October 1, 2018Date of Patent: July 28, 2020Assignee: TOSHIBA KIKAI KABUSHIKI KAISHAInventors: Mitsunori Kokubo, Yuki Sugiura, Toru Suzuki, Terukatsu Kuboki
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Publication number: 20200230856Abstract: An injection molding machine includes: a controller configured to instruct an operation indicated by first or second operation information associated with at least either first or second image information displayed on a display, or to execute processing by a system program, wherein the first and second operation information is information about an injection molding operation according to a first or second production condition, and operation information about first and second molds or operation information about a mold clamping mechanism from beginning to completion of the injection molding operation, the display displays a plurality of operating points indicating positions of the first mold, the second mold or the mold clamping mechanism relative to time or process from the beginning of the injection molding operation, and line segments connecting the plurality of operating points, and the first and second image information are displayed on the operating points.Type: ApplicationFiled: April 7, 2020Publication date: July 23, 2020Applicant: TOSHIBA KIKAI KABUSHIKI KAISHAInventors: Jun ENOMOTO, Ryoji TOMINAGA, Kentaro SATO, Ryo SHIRAKI
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Publication number: 20200180222Abstract: An additive manufacturing device includes a table that supports an additive manufactured object, and a manufacturing unit including a first nozzle that is movable with respect to the table and a second nozzle that is movable with respect to the table and also movable with respect to the first nozzle. The manufacturing unit discharges powder from at least one of the first nozzle and the second nozzle, and emits an energy beam from at least one of the first nozzle and the second nozzle to melt or sinter the powder to additively manufacture the object supported on the table.Type: ApplicationFiled: May 15, 2018Publication date: June 11, 2020Applicant: TOSHIBA KIKAI KABUSHIKI KAISHAInventors: Yuta SUZUKI, Shuhei HONMA, Yasushi FUKASE, Shimpei FUJIMAKI
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Patent number: 10675688Abstract: A method for machining grooves in the surface of a workpiece in which a dummy groove is machined in the surface of the workpiece by moving a cutting tool relative to the workpiece in a first machining direction of the workpiece, then orienting the cutting tool 180 degrees as compared to the first machining, and subsequently second machining the dummy groove by moving the cutting tool in a second direction opposite to the first direction. A displacement of a cutting edge of the cutting tool, caused by the first and second machining of the dummy groove is measured. A groove is machined with the cutting tool in a forward stroke and then a return stoke with the cutting tool rotated 180 degrees between the strokes. A relative position between the workpiece and the cutting tool during the forward and return strokes is corrected so as to eliminate the displacement.Type: GrantFiled: August 29, 2018Date of Patent: June 9, 2020Assignee: Toshiba Kikai Kabushiki KaishaInventor: Takanobu Akiyama
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Patent number: 10680134Abstract: Provided is a deep ultraviolet LED with a design wavelength ?, including a reflecting electrode layer, an ultra-thin metal layer, and a p-type contact layer that are arranged in this order from a side opposite to a substrate; and a hemispherical lens bonded to a rear surface of the substrate on a side of the p-type contact layer, the hemispherical lens being transparent to light with the wavelength ?. The refractive index of the hemispherical lens is greater than or equal to the average value of the refractive index of the substrate and the refractive index of air and is less than or equal to the refractive index of the substrate. The hemispherical lens has a radius that is greater than or equal to the radius of an inscribed circle of the substrate and is about equal to the radius of a circumscribed circle of the substrate.Type: GrantFiled: September 2, 2016Date of Patent: June 9, 2020Assignees: Marubun Corporation, Toshiba Kikai Kabushiki Kaisha, RIKEN, ULVAC, INC., Tokyo Ohka Kogyo Co., Ltd.Inventors: Yukio Kashima, Eriko Matsuura, Mitsunori Kokubo, Takaharu Tashiro, Hideki Hirayama, Ryuichiro Kamimura, Yamato Osada, Toshiro Morita
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Publication number: 20200150617Abstract: 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: ApplicationFiled: January 17, 2020Publication date: May 14, 2020Applicant: Toshiba Kikai Kabushiki KaishaInventors: Takamichi Ito, Jun Fujita, Atsushi Tada, Hirohiko Matsuzaki
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Publication number: 20200130264Abstract: An additive manufacturing apparatus according to one embodiment includes a support surface, a manufacturing unit, and a control unit. The support surface can support an object that is additively manufactured. The manufacturing unit includes a nozzle that moves relative to the support surface, ejects powder, and outputs an energy ray to melt or sinter the powder, thereby forming a layer of the object. The manufacturing unit can change the orientation of the nozzle. The control unit can change a layer forming condition for the nozzle in accordance with a change in the orientation of the nozzle.Type: ApplicationFiled: October 21, 2019Publication date: April 30, 2020Applicant: Toshiba Kikai Kabushiki KaishaInventors: Yasushi FUKASE, Shimpei FUJIMAKI, Hisanori FUWA, Shogo TANIGAKI
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Patent number: 10610990Abstract: A control system of a machine tool includes a hydraulic pressure adjuster. The hydraulic pressure adjuster includes a sequence program controller that includes components for adding a function of adjusting a hydrostatic pressure of a static pressure oil supplied to a hydrostatic pressure guide mechanism, which are a pressure setting unit, a constant acceleration motion controller, a workpiece-weight calculator and a supply state adjuster.Type: GrantFiled: December 4, 2017Date of Patent: April 7, 2020Assignee: Toshiba Kikai Kabushiki KaishaInventors: Atsushi Tada, Takuma Miyamoto
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Patent number: 10596752Abstract: According to one embodiment, a transfer apparatus includes a transfer roller which supports a mold and transfers a fine transfer pattern formed on the mold to a resin coated on a substrate installed in a substrate installation part with movement of the transfer roller and a transfer roller guide part for guiding the transfer roller when the mold is pressed against the resin coated on the substrate installed in the substrate installation part by the movement of the transfer roller.Type: GrantFiled: October 25, 2018Date of Patent: March 24, 2020Assignee: TOSHIBA KIKAI KABUSHIKI KAISHAInventors: Mitsunori Kokubo, Takato Baba, Toshiaki Goto
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Patent number: 10571888Abstract: 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: November 14, 2017Date of Patent: February 25, 2020Assignee: Toshiba Kikai Kabushiki KaishaInventors: Takamichi Ito, Jun Fujita, Atsushi Tada, Hirohiko Matsuzaki
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Patent number: 10532492Abstract: One embodiment provides a twin-screw extruder which is used to knead materials and has excellent productivity. The twin-screw extruder includes screws. The screws include double thread screws in which first screw portions engage with each other. Ratio D1/C of external diameter D1 of the first screw portion to a shaft distance C ranges from 1.25 to 1.40. The screws further include triple thread screws in which third screw portions engage with each other. Ratio D3/C of external diameter D3 of the third screw portion to the shaft distance C ranges from 1.05 to 1.10. External diameter D2 of a second screw portion decreases gradually from the first screw portion toward the third screw portion.Type: GrantFiled: November 13, 2015Date of Patent: January 14, 2020Assignee: TOSHIBA KIKAI KABUSHIKI KAISHAInventors: Akiyoshi Kobayashi, Toshiki Nakazawa, Masatoshi Ohara, Hiroyuki Saito
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Patent number: 10515565Abstract: A driving simulation test apparatus includes a movable body, a first translational drive portion that extends along a first direction, a first translational guide portion that extends along the first direction, and a plurality of first bases that extends along the first direction and is spaced from each other in a second direction. The first translational drive portion and the first translational guide portion are aligned in the second direction on each of the plurality of first bases, and the first translational drive portion includes a plurality of first translational drive portions arranged on each of the first bases.Type: GrantFiled: January 11, 2017Date of Patent: December 24, 2019Assignee: TOSHIBA KIKAI KABUSHIKI KAISHAInventors: Atsushi Tada, Masaaki Mitsuzono
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Patent number: 10493565Abstract: On at least the edge portion (9e) of the lip portion (9) of a T-die (1), a cladding layer (10) is provided. The cladding layer is formed by laser build-up welding to a base material with a powder of a corrosion resistant and wear resistant alloy comprising a nickel-based alloy or a cobalt-based alloy. The cladding layer has a metallographic structure in which metal borides are dispersed in a binder phase. The lip portion has high quality and has high durability. The manufacturing costs of the T-die can also be kept relatively low.Type: GrantFiled: September 13, 2016Date of Patent: December 3, 2019Assignee: Toshiba Kikai Kabushiki KaishaInventors: Shuhei Honma, Ryota Oke, Yosuke Ogino, Tomonori Yamaguchi, Seiya Mizuno
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Patent number: 10493521Abstract: A die casting machine includes a clamping device which opens and closes and clamps a pair of die halves, an injection apparatus which performs injection to the pair of die halves by making a plunger move forward in a sleeve communicated with a space between the pair of die halves, and a control device which controls the clamping device and injection apparatus. The control device includes an injection control part and press-use clamping control part. The injection control part controls the injection apparatus so as to start the injection in a state where the pair of die halves face each other through a gap. The press-use clamping control part controls the clamping device so that the die contact and clamping are carried out after the start of injection. Further, the injection control part performs control for decelerating the plunger before the plunger stops.Type: GrantFiled: May 1, 2017Date of Patent: December 3, 2019Assignee: Toshiba Kikai Kabushiki KaishaInventors: Kouei Nakata, Satoru Aida, Toshiaki Toyoshima
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Patent number: 10486380Abstract: It is an object of the present invention to provide a light diffusing lens production apparatus which makes it possible to efficiently produce a high-quality light diffusing lens having enhanced optical properties.Type: GrantFiled: September 9, 2015Date of Patent: November 26, 2019Assignee: Toshiba Kikai Kabushiki KaishaInventor: Ryuichi Katsumata
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Publication number: 20190352472Abstract: In a production method for a conductive composite material for an extruder that continuously discharges a kneaded product produced by kneading a raw material using a screw, the screw has a the screw body, the raw material transported along an outer circumferential surface of the screw body receives increased pressure by a barrier part in a transport part and is introduced to a passage from an inlet, and while the kneaded product is continuously discharged, the raw material transported along the outer circumferential surface of the screw body flows in the passage of the extruder and then is guided to the transport part via an outlet provided in the screw body, the raw material contains a conductive filler and a thermoplastic elastomer.Type: ApplicationFiled: May 15, 2019Publication date: November 21, 2019Applicants: TOSHIBA KIKAI KABUSHIKI KAISHA, HSP TECHNOLOGIES INC.Inventors: Takafumi SAMESHIMA, Yoshio IIZUKA, Kaho OSADA, Hiroshi SHIMIZU
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Patent number: 10464242Abstract: A convey device, which conveys an insert member into a die, includes a holding device configured to hold the insert member in an attitude in which a major surface of the insert member is in a substantially gravitational direction; a convey mechanism configured to convey the insert member to the die, while the insert member is being held in the attitude by the holding device; and a heating device configured to heat the insert member. The insert member can be heated by the heating device before the insert member is disposed in the die.Type: GrantFiled: December 3, 2018Date of Patent: November 5, 2019Assignee: TOSHIBA KIKAI KABUSHIKI KAISHAInventors: Jun Koike, Akira Yoshinaga, Nobuyuki Asanuma
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Publication number: 20190321929Abstract: A machine tool includes a mounting table, a tool, a shade detector, and a tool controller. A workpiece is placed on the mounting table. The tool includes a tip. The shade detector is fixed on the mounting table, provides an optical path of a laser light, and detects a shade state of the laser light. The tool controller is connected to the mounting table via a supporting structure and controls an orientation and a position of the tool. A reference point associated with the tool is provided to the tool controller. The tool controller corrects a position of the tip based on a difference between a position obtained by calculation of the reference point in the case where the tip is matched with a measurement position P of a laser light and a position of the reference point when the tip portion is actually matched with a measurement position while keeping the orientation of a tool.Type: ApplicationFiled: May 16, 2019Publication date: October 24, 2019Applicant: TOSHIBA KIKAI KABUSHIKI KAISHAInventors: YUSUKE ISHII, ATSUSHI TADA
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Patent number: 10449604Abstract: In an injection cylinder which can be connected with a plunger, the internal portion of the cylinder part is partitioned by a piston into a rod-side chamber on the side of the piston rod and a head-side chamber on the opposite side. An accumulator can supply a hydraulic fluid to the head-side chamber. A head-use pressure sensor can detect a pressure of the head-side chamber. A flow control valve can control a flow rate of the hydraulic fluid discharged from the rod-side chamber. A control device includes an OP control part which starts open control driving the flow control valve to the opening direction after the start of supply of the hydraulic fluid from the accumulator to the head-side chamber conditional on the detection pressure of the head-use pressure sensor rising up to the predetermined set value.Type: GrantFiled: April 4, 2018Date of Patent: October 22, 2019Assignee: Toshiba Kikai Kabushiki KaishaInventor: Hiroshi Yokoyama