Patents by Inventor Keiji Tsujita
Keiji Tsujita 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: 10131564Abstract: A glass plate separating apparatus, as one example, includes: a trigger device that forms a start point flaw in a first main surface of a glass ribbon on a division-planned line; a pair of holding members disposed at the first main surface side of the glass ribbon; and a heater disposed at a second main surface side of the glass ribbon. The pair of holding members, each of which extends parallel to the division-planned line, is brought into contact with the glass ribbon at both sides of the division-planned line while being lowered together with the glass ribbon. The heater extends along the division-planned line, and is brought into contact with and pressed onto the glass ribbon on the division-planned line while being lowered together with the glass ribbon.Type: GrantFiled: June 2, 2015Date of Patent: November 20, 2018Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Mutsuhiro Nakazawa, Takanori Kiritoshi, Osami Oogushi, Keiji Tsujita, Tadaoki Yabuuchi
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Publication number: 20170057863Abstract: A glass plate separating apparatus, as one example, includes: a trigger device that forms a start point flaw in a first main surface of a glass ribbon on a division-planned line; a pair of holding members disposed at the first main surface side of the glass ribbon; and a heater disposed at a second main surface side of the glass ribbon. The pair of holding members, each of which extends parallel to the division-planned line, is brought into contact with the glass ribbon at both sides of the division-planned line while being lowered together with the glass ribbon. The heater extends along the division-planned line, and is brought into contact with and pressed onto the glass ribbon on the division-planned line while being lowered together with the glass ribbon.Type: ApplicationFiled: June 2, 2015Publication date: March 2, 2017Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Mutsuhiro NAKAZAWA, Takanori KIRITOSHI, Osami OOGUSHI, Keiji TSUJITA, Tadaoki YABUUCHI
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Publication number: 20160151929Abstract: A method of dividing a plate member made of a brittle material includes; first, forming a minute start point flaw 16 in a first main surface of a plate member on a division-planned line; then holding the first main surface of the plate member on a pair of lines; and thereafter, for example, bringing a dividing member, which heats up a second main surface of the plate member by contact heating, into contact with the second main surface of the plate member to generate a tensile thermal stress on the first main surface and applying bending force in a thickness direction of the plate member to the second main surface of the plate member, such that a tensile stress derived from the bending force and the tensile thermal stress are combined together. In this manner, the plate member is divided along the division-planned line.Type: ApplicationFiled: May 22, 2014Publication date: June 2, 2016Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Osami OGUSHI, Takanori KIRITOSHI, Mutsuhiro NAKAZAWA, Keiji TSUJITA
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Patent number: 9296080Abstract: The present invention provides a conveying device including a transfer mechanism including: a belt portion configured to support a non-pattern surface of a glass plate and transfer the glass plate in a conveying direction; and a pattern surface supporting water guide arranged at a position opposed to the belt portion and configured to apply predetermined water pressure to a pattern surface of the glass plate, wherein the transfer mechanism is configured such that: the glass plate is pressed against the belt portion by water pressure of the pattern surface supporting water guide; and the glass plate is sandwiched between the pattern surface supporting water guide and the belt portion in a state where the pattern surface of the glass plate is in a non-contact state, the conveying device being capable of stably transferring the glass plate without making scratches on the pattern surface of the glass plate.Type: GrantFiled: March 24, 2011Date of Patent: March 29, 2016Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Morimasa Kuge, Hideyuki Tanaka, Keiji Tsujita, Kazunori Takahara
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Patent number: 9114935Abstract: The present invention provides a plate member conveying apparatus configured such that an occupied area is small, and a plate member is unlikely to be damaged. A plate member conveying apparatus according to the present invention includes a feed device having a conveying portion and a pressurizing portion. The conveying portion includes a belt configured to contact one of surfaces of a plate member in a vertical state to feed the plate member in a conveying direction. The pressurizing portion applies pressure of a fluid to the other surface of the plate member in the vertical state in a direction perpendicular to the surface of the plate member to press the plate member toward the belt. Then, the plate member in the vertical state is conveyed while being held by sandwiching the plate member between the belt of the conveying portion and the fluid of the pressurizing portion.Type: GrantFiled: August 12, 2011Date of Patent: August 25, 2015Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Morimasa Kuge, Hideyuki Tanaka, Keiji Tsujita, Kazunori Takahara
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Patent number: 9101965Abstract: A high-pressure washing liquid ejecting washing apparatus comprises a bar-shaped holder; and a plurality of high-pressure washing liquid ejecting nozzles arranged at constant intervals along a longitudinal direction of the bar-shaped holder, the holder being supported at both sides in a longitudinal direction thereof such that the holder is rotatable around its longitudinal axis, the holder being reciprocatingly rotated around the longitudinal axis within a predetermined rotational angle and the ejecting nozzles ejecting a high-pressure washing liquid to a washed surface of an object in a single straight-line shape to wash the object while the object is conveyed at a constant speed with respect to the holder, wherein the holder has a length which is not less than a length across the object and is disposed such that the holder is orthogonal to a direction in which the object is conveyed or is tilted with respect to the direction in which the object is conveyed, when viewed from a normal line direction of the wType: GrantFiled: July 17, 2009Date of Patent: August 11, 2015Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Yoshiaki Aoki, Morimasa Kuge, Keiji Tsujita, Hideyuki Tanaka, Mitsuru Nomura
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Patent number: 9079226Abstract: A high-pressure liquid jet cleaner removes particles adhered to the inside of scribe lines formed at consistent intervals in a thin film solar cell panel and prevents the surface of a thin film formed at the surface of the solar cell panel from being damaged or detached. Jet nozzles are arranged at consistent intervals in the longitudinal direction of a nozzle holder, corresponding to positions of the respective scribe lines. The nozzle holder is supported by supports provided at both ends of the nozzle holder to allow the nozzle holder to move in the longitudinal direction. While the solar cell panel is conveyed parallel to the scribe lines, a high-pressure liquid is jetted out in a straight line from the jet nozzles to the respective scribe lines for cleaning, such that the high-pressure liquid jetting direction of each jet nozzle is parallel to that of the other jet nozzles.Type: GrantFiled: March 31, 2010Date of Patent: July 14, 2015Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Hideaki Ike, Keiji Tsujita, Hideyuki Tanaka, Morimasa Kuge, Mitsuru Nomura, Masaaki Tomonaga
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Publication number: 20140216898Abstract: The present invention provides a plate member conveying apparatus configured such that an occupied area is small, and a plate member is unlikely to be damaged. A plate member conveying apparatus according to the present invention includes a feed device having a conveying portion and a pressurizing portion. The conveying portion includes a belt configured to contact one of surfaces of a plate member in a vertical state to feed the plate member in a conveying direction. The pressurizing portion applies pressure of a fluid to the other surface of the plate member in the vertical state in a direction perpendicular to the surface of the plate member to press the plate member toward the belt. Then, the plate member in the vertical state is conveyed while being held by sandwiching the plate member between the belt of the conveying portion and the fluid of the pressurizing portion.Type: ApplicationFiled: August 12, 2011Publication date: August 7, 2014Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Morimasa Kuge, Hideyuki Tanaka, Keiji Tsujita, Kazunori Takahara
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Publication number: 20130196576Abstract: The present invention provides a conveying device including a transfer mechanism including: a belt portion configured to support a non-pattern surface of a glass plate and transfer the glass plate in a conveying direction; and a pattern surface supporting water guide arranged at a position opposed to the belt portion and configured to apply predetermined water pressure to a pattern surface of the glass plate, wherein the transfer mechanism is configured such that: the glass plate is pressed against the belt portion by water pressure of the pattern surface supporting water guide; and the glass plate is sandwiched between the pattern surface supporting water guide and the belt portion in a state where the pattern surface of the glass plate is in a non-contact state, the conveying device being capable of stably transferring the glass plate without making scratches on the pattern surface of the glass plate.Type: ApplicationFiled: March 24, 2011Publication date: August 1, 2013Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Morimasa Kuge, Hideyuki Tanaka, Keiji Tsujita, Kazunori Takahara
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Publication number: 20120125365Abstract: Provided is a high-pressure liquid jet cleaner which is capable of assuredly removing particles adhered to the inside of a large number of scribe lines formed at consistent intervals in a thin film solar cell panel and which eliminates a fear that the surface of a thin film formed at the surface of the solar cell panel may be damaged or that the thin film may be detached. Jet nozzles are arranged at consistent intervals in the longitudinal direction of a nozzle holder, corresponding to the positions of the respective scribe lines of the thin film solar cell panel. The nozzle holder is supported by supports provided at both ends of the nozzle holder in a manner to allow the nozzle holder to move in the longitudinal direction of the nozzle holder.Type: ApplicationFiled: March 31, 2010Publication date: May 24, 2012Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Hideaki Ike, Keiji Tsujita, Hideyuki Tanaka, Morimasa Kuge, Mitsuru Nomura, Masaaki Tomonaga
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Patent number: 8042558Abstract: A high-pressure water cleaning system includes a cleaning main body, a support frame member having a length which is larger than a width of an object, the support frame member being supported at extended end portions thereof at both sides by bearing units and eccentric rotational shafts such that the support frame member is eccentrically rotatable, the eccentric rotatable shafts being configured to rotate to cause the support frame member to perform rotational motion, a plurality of high-pressure water ejecting nozzles which are arranged on the surface of the support frame member to be equally spaced apart from each other and are directed to face the object, and a drive device configured to cause the eccentric rotational shafts to rotate. The high-pressure water ejecting nozzles are supplied with the high-pressure water and eject the high-pressure water to the object being moved at the constant speed while performing the rotational motion.Type: GrantFiled: October 30, 2008Date of Patent: October 25, 2011Assignee: Kawasaki Jukogyo Kabushiki KaishaInventors: Morimasa Kuge, Keiji Tsujita, Eiji Noutomi, Hideyuki Tanaka, Mitsuru Nomura
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Publication number: 20110197939Abstract: A high-pressure washing liquid ejecting washing apparatus comprises a bar-shaped holder; and a plurality of high-pressure washing liquid ejecting nozzles arranged at constant intervals along a longitudinal direction of the bar-shaped holder, the holder being supported at both sides in a longitudinal direction thereof such that the holder is rotatable around its longitudinal axis, the holder being reciprocatingly rotated around the longitudinal axis within a predetermined rotational angle and the ejecting nozzles ejecting a high-pressure washing liquid to a washed surface of an object in a single straight-line shape to wash the object while the object is conveyed at a constant speed with respect to the holder, wherein the holder has a length which is not less than a length across the object and is disposed such that the holder is orthogonal to a direction in which the object is conveyed or is tilted with respect to the direction in which the object is conveyed, when viewed from a normal line direction of the wType: ApplicationFiled: July 17, 2009Publication date: August 18, 2011Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Yoshiaki Aoki, Morimasa Kuge, Keiji Tsujita, Hideyuki Tanaka, Mitsuru Nomura
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Patent number: 7891066Abstract: A plate material vertical processing line that is capable of subjecting large-sized and thinned glass plates to scribing, venting, etc without degrading their quality, comprises a plurality of processing devices each having a modular structure; wherein each of the processing devices includes a platform; a belt conveyor that is mounted on the platform and is configured to convey a glass plate placed in a substantially upright position while supporting a lower end of the glass plate; and a fluid guide that is mounted on the platform and is configured to apply a fluid pressure to a surface of the glass plate to support the glass plate in the substantially upright position and in a non-contact state; and wherein the processing devices include a combination of at least two processing devices selected from a scribing device, a venting device, a chamfering device, a cleaning agent washing device, a water washing device, a high-pressure water spray device, and a glass plate turn device.Type: GrantFiled: February 18, 2004Date of Patent: February 22, 2011Assignees: Kawasaki Plant Systems Kabushiki Kaisha, Corning Japan K.K.Inventors: Yoshiaki Aoki, Keiji Tsujita, Morimasa Kuge, Takaaki Yokoyama, Takashi Sakurai, Michio Suzuki, Masayuki Anada, Masayuki Shinkai
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Patent number: 7878381Abstract: A plate material cutting unit is equipped with: support devices for supporting the lower edge of an upright plate material; fluid guides for applying fluid pressure on a surface of the plate material which is held upright on the support devices, to support the plate material in a non-contact manner; a scribe forming device, equipped with a scribing blade for forming a scribe for cutting on the plate material, by moving along the surface of the plate material, which is supported by the fluid guides; a clamp, for gripping a portion of the plate material adjacent to the movement trajectory of the scribing blade along the plate material; and a cutting device, equipped with a pressing member for pressing a portion of the plate material opposite the scribe in a planar direction with respect to the portion of the plate material which is gripped by the clamp.Type: GrantFiled: June 2, 2006Date of Patent: February 1, 2011Assignees: Corning Japan K.K., Kawasaki Plant Systems Kabushiki KaishaInventors: Keiji Tsujita, Hideyuki Tanaka, Morimasa Kuge, Syuichi Nakayama, Susumu Sugiyama
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Publication number: 20090126550Abstract: A plate material cutting unit is equipped with: support devices for supporting the lower edge of an upright plate material; fluid guides for applying fluid pressure on a surface of the plate material which is held upright on the support devices, to support the plate material in a non-contact manner; a scribe forming device, equipped with a scribing blade for forming a scribe for cutting on the plate material, by moving along the surface of the plate material, which is supported by the fluid guides; a clamp, for gripping a portion of the plate material adjacent to the movement trajectory of the scribing blade along the plate material; and a cutting device, equipped with a pressing member for pressing a portion of the plate material opposite the scribe in a planar direction with respect to the portion of the plate material which is gripped by the clamp.Type: ApplicationFiled: June 2, 2006Publication date: May 21, 2009Inventors: Keiji Tsujita, Hideyuki Tanaka, Morimasa Kuge, Syuichi Nakayama, Susumu Sugiyama
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Publication number: 20090107531Abstract: A high-pressure water cleaning system includes a cleaning main body, a support frame member having a length which is larger than a width of an object, the support frame member being supported at extended end portions thereof at both sides by bearing units and eccentric rotational shafts such that the support frame member is eccentrically rotatable, the eccentric rotatable shafts being configured to rotate to cause the support frame member to perform rotational motion, a plurality of high-pressure water ejecting nozzles which are arranged on the surface of the support frame member to be equally spaced apart from each other and are directed to face the object, and a drive device configured to cause the eccentric rotational shafts to rotate. The high-pressure water ejecting nozzles are supplied with the high-pressure water and eject the high-pressure water to the object being moved at the constant speed while performing the rotational motion.Type: ApplicationFiled: October 30, 2008Publication date: April 30, 2009Applicant: KAWASAKI PLANT SYSTEMS KABUSHIKI KAISHAInventors: Morimasa Kuge, Keiji Tsujita, Eiji Noutomi, Hideyuki Tanaka, Mitsuru Nomura
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Publication number: 20070271756Abstract: A plate material vertical processing line that is capable of subjecting large-sized and thinned glass plates to scribing, venting, etc without degrading their quality, comprises a plurality of processing devices each having a modular structure; wherein each of the processing devices includes a platform; a belt conveyor that is mounted on the platform and is configured to convey a glass plate placed in a substantially upright position while supporting a lower end of the glass plate; and a fluid guide that is mounted on the platform and is configured to apply a fluid pressure to a surface of the glass plate to support the glass plate in the substantially upright position and in a non-contact state; and wherein the processing devices include a combination of at least two processing devices selected from a scribing device, a venting device, a chamfering device, a cleaning agent washing device, a water washing device, a high-pressure water spray device, and a glass plate turn device.Type: ApplicationFiled: February 18, 2004Publication date: November 29, 2007Applicants: Kawasaki Plant Systems Kabushiki Kaisha, Corning Japan K.K.Inventors: Yoshiaki Aoki, Keiji Tsujita, Morimasa Kuge, Takaaki Yokoyama, Takashi Sakurai, Michio Suzuki, Masayuki Anada, Masayuki Shinkai
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Patent number: 5791968Abstract: A grinding method is provided in which abrasive is projected onto a steel product through a nozzle to perform grinding thereon such as in a continuous casting process or in a subsequent process, wherein high-pressure water jet mixed with the abrasive is projected onto the surface of the steel product to grind defects on the surface, etc. thereof. A grinding system for executing this grinding method is also provided, the system including supply sources of high-pressure liquid and abrasive, a nozzle device connected with these supply sources, an abrasive recovery device for recovering the used abrasive as needed and restoring the same to the supply sources, and combined detection systems.Type: GrantFiled: August 30, 1996Date of Patent: August 11, 1998Assignees: Kawasaki Jukogyo Kabushiki Kaisha, Nippon Steel CorporationInventors: Hiroyuki Matsumura, Yoshikazu Ikemoto, Keiji Tsujita, Hidetaka Tanaka, Kazumi Daitoku, Tomoharu Shimokasa, Fujiya Nogami, Kenji Minami
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Patent number: 5434112Abstract: A high pressure injection nozzle member is formed of a super hard alloy or a hard material of carbide series mainly composing of a tungsten carbide as, wherein the tungsten carbon is composed of grains each having a diameter of less than 1 .mu.m. At least one kind of carbide or solid solution of carbide selected from Ti, Ta, V, Cr, Mo, Hf, or Zr by a weight % of less than 10.0% is added. A binding material essentially consisting of at least one of iron group elements by weight % of 0.2 to 2.0% may be further added. The super hard alloy or a hard sintered material has a high abrasion proof property and has a hardness more than about HRA 94.0. Nitride or nitride solid solution may be utilized in place of carbide or carbide solid solution. The nozzle member is particularly suitable for an abrasive water jet.Type: GrantFiled: January 21, 1994Date of Patent: July 18, 1995Assignee: Kawasaki Jukogyo Kabushiki KaishaInventors: Shigetomo Matsui, Hiroyuki Matsumura, Yoshikazu Ikemoto, Yasuhiro Kumon, Shigeru Nakayama, Keiji Tsujita, Keisuke Fukunaga, Nobuhiro Kuribayashi, Kenichi Wakana
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Patent number: 5334561Abstract: A high pressure injection nozzle member is formed of a super hard alloy or a hard material of carbide series mainly composing of a tungsten carbide as, wherein the tungsten carbon is composed of grains each having a diameter of less than 1 .mu.m. At least one kind of carbide or solid solution of carbide selected from Ti, Ta, V, Cr, Mo, Hf, or Zr by a weight % of less than 10.0% is added. A binding material essentially consisting of at least one of iron group elements by weight % of 0.2 to 2.0% may be further added. The super hard alloy or a hard sintered material has a high abrasion proof property and has a hardness more than about HRA 94.0. Nitride or nitride solid solution may be utilized in place of carbide or carbide solid solution. The nozzle member is particularly suitable for an abrasive water jet.Type: GrantFiled: November 19, 1993Date of Patent: August 2, 1994Inventors: Shigetomo Matsui, Hiroyuki Matsumura, Yoshikazu Ikemoto, Yasuhiro Kumon, Shigeru Nakayama, Keiji Tsujita, Keisuke Fukunaga, Nobuhiro Kuribayashi, Kenichi Wakana