Patents Examined by George B. Nguyen
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Patent number: 10825837Abstract: Various embodiments provide a substrate processing apparatus for grinding a substrate, and a display device including a substrate in which a hole is formed in an edge of the substrate using the substrate processing apparatus. The substrate processing apparatus for processing a display substrate includes a body which, in operation, rotates, a cylindrical grinding part connected to the body, and a lateral groove formed in a surface of the cylindrical grinding part. The lateral groove is configured to accommodate the display substrate. Thus, it is possible to form a hole by grinding an edge of the display substrate so as to be matched with a designed value.Type: GrantFiled: August 10, 2017Date of Patent: November 3, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Ik Hyun Kuon, Jeong Kweon Park, Ju Ik Hong, Jangcheol Kim, Jinwook Kwak
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Patent number: 10814416Abstract: In a power steering device equipped with a rack shaft constructed by joining a first member having rack teeth and a second member serving as a ball screw shaft on which a ball screw groove is formed, a grinding process of the ball screw groove is performed on the second member by causing a grindstone to rotate and move along a rotation axis of the second member, while causing the second member to rotate about an axis of the second member as the rotation axis. The grinding process is performed so as to satisfy a specified machining condition “g/(5×p)<w<g/p”, where w is a rotational speed of the second member during grinding of the ball screw groove, g is a rotational speed of the grindstone during grinding of the ball screw groove, and p is a circumferential length of one circumference of the ball screw groove around the rotation axis.Type: GrantFiled: September 26, 2016Date of Patent: October 27, 2020Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Atsushi Sato, Keisuke Kitamura, Mitsuaki Abe, Tetsuya Yonezawa, Tatsuyoshi Maruyama, Osamu Yoshida, Kenji Kagami
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Patent number: 10814457Abstract: A gimbal for a conditioning system for a CMP tool is configured to maintain a conditioning disk in contact with a polishing pad of the CMP tool. The gimbal includes an arm coupling for coupling to a conditioning swing arm of the CMP tool; and a disk holder for holding the conditioning disk. A flexible diaphragm extends between the arm coupling and the disk holder. The flexible diaphragm allows the disk holder to flex relative to the arm coupling. The flexible diaphragm is made of a metal or metal alloy.Type: GrantFiled: March 19, 2018Date of Patent: October 27, 2020Assignee: GLOBALFOUNDRIES INC.Inventors: Sunghoon Lee, Sung Pyo Jung, Eric J. Bodensieck, Aldrin Bernard Anak Vincent Eddy, Dinesh R. Koli
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Patent number: 10814451Abstract: Apparatus and method for sharpening a cutting tool having a blade portion with a cutting edge, such as but not limited to a kitchen knife. In some embodiments, a powered sharpener moves a flexible abrasive member such as a belt or disc along a neutral plane. A support member contactingly supports a back side of the flexible abrasive member at a medial location along the neutral plane. The support member is positioned adjacent a contact region of an abrasive surface on an opposing front side of the flexible abrasive member against which a cutting edge is brought during a sharpening operation. In some cases, the support member is a stationary or moveable support member such as a pin or roller offset from the contact region. In other cases, the support member is a platen that projects forward to support the contact region.Type: GrantFiled: March 13, 2018Date of Patent: October 27, 2020Assignee: Darex, LLCInventor: Daniel T. Dovel
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Patent number: 10814456Abstract: A universal adapter includes a main tube for a combined suction unit and blasting unit. The main tube has a first connecting section for connection to a suction line of the suction unit and a second connecting section for connection to a working chamber. In order to reduce the number of suction adapters needed to connect to different openings in working chambers, the second connecting section is made of a flexible material and has a cutout in its periphery that extends from a free end of the second connecting section in the direction of the longitudinal axis of the main pipe.Type: GrantFiled: February 20, 2018Date of Patent: October 27, 2020Assignee: TKR Spezialwerkzeuge GmbHInventors: Patrick Kraft, Heiko Sirringhaus
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Patent number: 10801651Abstract: A waterjet system in accordance with at least some embodiments of the present technology includes a tube configured to carry ultrahigh pressure liquid, and a fitting connected to an end portion of the tube. The fitting includes a body and a clamping block that secures the tube to the body. The body includes a recess, a passage extending inwardly from the recess, a sealing surface extending around the passage, and a sidewall extending around the sealing surface. The sealing surface meets the sidewall at an annular corner within the recess. The clamping block includes first, second, and third through holes spaced apart from one another. The tube extends through the first through hole and is secured to the clamping block via a threaded connection. First and second clamping bolts extend through the first and second through holes, respectively, and into respective threaded openings in the body.Type: GrantFiled: February 15, 2018Date of Patent: October 13, 2020Assignee: OMAX CorporationInventors: John H. Olsen, Darren Stang
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Patent number: 10800697Abstract: A glass-plate working apparatus 1 includes: a scribe line forming device 5, glass-plate bend-breaking devices 15A and 15B, glass-plate peripheral edge grinding devices 19A and 19B, and a glass-plate transporting device 20 for carrying in and carrying out two glass plates 2 at a time with respect to each of the scribe line forming device 5, the glass-plate bend-breaking devices 15A and 15B, and the glass-plate peripheral edge grinding devices 19A and 19B, and X-Y coordinate system controlled movement of the glass-plate peripheral edge grinding devices 19A and 19B in simultaneous grinding of peripheral edges of the glass plates 2 is adapted to be effected independently of each other.Type: GrantFiled: August 24, 2016Date of Patent: October 13, 2020Assignee: BANDO KIKO CO., LTD.Inventor: Kazuaki Bando
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Patent number: 10799991Abstract: Presented is a method and apparatus for holding. The apparatus includes a base, the base operable to be fixedly attached to an opposing surface, and a head support coupled to the base, the head support being spaced from the opposing surface defining a grinder head gap, the head support having an end portion that is curved with an open top. The apparatus further includes a handle support, the handle support coupled to the base extending away from the opposing surface, the handle support having a curved portion and an open portion.Type: GrantFiled: November 14, 2017Date of Patent: October 13, 2020Inventor: Greg Galligan
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Patent number: 10792785Abstract: Described are slurry compositions useful in chemical-mechanical processing of a nickel layer of a substrate, wherein the slurry compositions contain abrasive particles that include silica particles that are cationically charged at a low pH.Type: GrantFiled: June 6, 2017Date of Patent: October 6, 2020Assignee: Cabot Microelectronics CorporationInventor: Ke Zhang
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Patent number: 10780546Abstract: A variable radius sanding block for sanding curved surfaces. The variable radius sanding block includes a base member and a plurality of variably sized radius patches. The base member is sized and proportioned to allow radius patches of varying size to be inserted, such that each of the radius patches will change the curvature of the sanding block upon insertion. The base member also having a folded flexible internal structure and a pair of flexible arms that facilitate insertion of radius patches of varying size. The radius patch includes a pair of grooves that receive the flexible arms of the base member and secure the base member to the radius patch.Type: GrantFiled: April 23, 2018Date of Patent: September 22, 2020Inventors: Seyed Babak Rouzbeh, Seyedehshaghayegh Rouzmeh
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Patent number: 10780547Abstract: A machine tool includes a main shaft unit; a polishing head for processing a workpiece; and an unnecessary byproduct leakage preventing unit for preventing leakage of abrasive resulting from processing at or around a part of the workpiece, the part being processed, and wherein the unnecessary byproduct leakage preventing unit includes a cover provided separately from the polishing head, the cover having a structure that is open in three directions and that has walls in another three directions such that a protection space where to hold a part of the workpiece is defined, the cover for receiving the abrasive, and a movement mechanism for moving the cover so as to stay apart from the workpiece while the workpiece is not being processed and so as to have a part of the workpiece held in the protection space while the workpiece is being processed.Type: GrantFiled: April 23, 2018Date of Patent: September 22, 2020Assignee: OKUMA CORPORATIONInventors: Hiroyuki Sugiura, Shoichi Morimura
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Patent number: 10780544Abstract: A method of sharpening a cutting edge of a knife of a surgical instrument includes manipulating an end effector assembly of a surgical instrument such that first and second jaw members of the end effector assembly are disposed in a spaced-apart position, retaining the first and second jaw members in the spaced-apart position, advancing a knife of the surgical instrument to an extended position wherein the knife extends between the first and second jaw members, retaining the knife in the extended position, and sharpening a cutting edge of the knife.Type: GrantFiled: April 24, 2018Date of Patent: September 22, 2020Assignee: Covidien LPInventors: John R. Twomey, James D. Allen, IV
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Patent number: 10781342Abstract: An object of the present invention is to provide a polishing composition which can sufficiently improve a polishing speed of an object to be polished having a silicon-oxygen bond such as a silicon oxide film or a polishing speed of an object to be polished having a silicon-nitrogen bond such as a silicon nitride film. Providing a polishing composition including: (1) an organic compound which has an action site interacting with an object to be polished having a silicon-oxygen bond or a silicon-nitrogen bond and an acceleration site accelerating an access of a component polishing an object to be polished to the object to be polished; (2) abrasive grains; and (3) a dispersing medium.Type: GrantFiled: March 11, 2016Date of Patent: September 22, 2020Assignee: FUJIMI INCORPORATEDInventors: Shogo Onishi, Takeki Sato, Yukinobu Yoshizaki, Koichi Sakabe
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Patent number: 10773419Abstract: The invention relates to a cutting and separating device applicable to manual ceramic cutters, comprising: a carriage; a collapsible handle with a cutting tool; a toothed part comprising a separator for separating ceramic parts; springs for holding the toothed part in an inoperative position as well as a toothed actuator in an engaged position with the toothed part; and a manual trigger element for disengaging the toothed actuator. The rotation of the handle past a pre-determined angle causes the engagement of the toothed actuator in the toothed part; the descending rotation causes the toothed actuator to rotate the toothed part until an operative position of the separator is reached; and the actuation of the trigger element causes the release of the toothed part and the return thereof to the inoperative position.Type: GrantFiled: July 19, 2016Date of Patent: September 15, 2020Assignee: GERMANS BOADA, S.A.Inventor: Alex Rosello Gargallo
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Patent number: 10773358Abstract: A part processing apparatus and method is disclosed that includes a media-blasting apparatus and a cleaning apparatus. The media-blasting apparatus is configured to blast a stream of media against a surface of a part, and the cleaning apparatus is configured to clean debris or particles from the surface of the part. The cleaning apparatus includes a first spray-and-wash unit, a first ultrasonic wash unit, a second ultrasonic wash unit, and a second spray-and-wash unit. The first ultrasonic wash unit is configured to ultrasonically vibrate a liquid in the first ultrasonic wash unit at a first frequency, and the second ultrasonic wash unit is configured to ultrasonically vibrate a liquid in the second ultrasonic wash unit at a second frequency. The first and second frequencies may be different from each other, such that vibration at the second frequency causes additional debris or particles to be removed from the surface of the part.Type: GrantFiled: April 5, 2018Date of Patent: September 15, 2020Assignee: ENGINEERED ABRASIVES, INC.Inventor: Michael J. Wern
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Patent number: 10777418Abstract: The polishing pad is suitable for polishing or planarizing a wafer of at least one of semiconductor, optical and magnetic substrates. The polishing pad includes radial feeder grooves in a polishing layer separating the polishing layer into polishing regions. The radial feeder grooves extend at least from a location adjacent the center to a location adjacent the outer edge of the polishing pad. Each polishing region including a series of biased grooves that connects a pair of adjacent radial feeder grooves. A majority of the biased grooves having either an inward bias toward the center of the polishing pad or an outward bias for directing polishing fluid toward the outer edge of the polishing pad.Type: GrantFiled: October 5, 2017Date of Patent: September 15, 2020Assignee: Rohm and Haas Electronic Materials CMP Holdings, IInventors: John Vu Nguyen, Tony Quan Tran, Jeffrey James Hendron, Jeffrey Robert Stack
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Patent number: 10773357Abstract: A method for machining at least one portion of a surface of a component for a vehicle, which is painted with a layer of clear coat of a given first layer thickness. The component is situated in an inner space of a blasting chamber. An opening of at least one conveying device for a blasting material emerges into the inner space. The inner space of the blasting chamber and the component are placed entirely under a partial vacuum. Blasting material in a carrier air flow generated by the partial vacuum is supplied through the opening of the conveying device to the inner space. The portion of the surface being machined and the opening of the conveying device are moved relative to each other. The blasting material is shot from the opening of the conveying device onto the portion of the surface being machined.Type: GrantFiled: May 30, 2016Date of Patent: September 15, 2020Assignee: AUDI AGInventors: Erhard Brandl, Maurice Langer, Thomas Kuntze
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Patent number: 10766116Abstract: A hand-held sanding device for sanding a work piece. The sanding device includes a frame adapted for a manual grip and a sanding material provided within the frame for movement relative to the frame. The sanding material forms a sanding surface for the device. The sanding material moves relative to the frame through contact between the sanding surface and the work piece.Type: GrantFiled: August 5, 2016Date of Patent: September 8, 2020Inventor: David D. Kellogg
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Patent number: 10766082Abstract: A cutting or grinding tool includes a blade. The blade includes a disc-shaped base metal, cutting or grinding tips (edges) provided on a peak (outer circumferential edge) of the base metal, and a protruding coating on a side face of the base metal along the entire outer circumference of the base metal.Type: GrantFiled: October 6, 2016Date of Patent: September 8, 2020Assignee: KANEFUSA KABUSHIKI KAISHAInventors: Mikihiro Ando, Atsushi Tsuchiya
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Patent number: 10766114Abstract: A system and method for grinding the exterior of a shaft part with rotationally symmetrical sections and bases which have centering bores and which define a reference longitudinal axis and rotational axis of the shaft part. The shaft part is held between tips which engage into the centering bores during the grinding process using a grinding disk, and the shaft part is additionally supported on the rotationally symmetrical sections by means of a support device. The current diameter values of the rotationally symmetrical sections are measured and transmitted to a controller, by means of which the support device is updated with respect to the measured diameter values while continuously supporting the rotationally symmetrical sections until target dimensions are achieved.Type: GrantFiled: April 8, 2016Date of Patent: September 8, 2020Assignee: ERWIN JUNKER GRINDING TECHNOLOGY A.S.Inventor: Erwin Junker