Patents by Inventor Ryuichi Oota
Ryuichi Oota 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: 10345041Abstract: In a press area, a wet paper is pressed against a heating surface to heat the wet paper with a conveying surface to conveying the wet paper to form a pressure regulating gap between the heating surface and the conveying surface. The pressure regulating gap is provided in a size less than a thickness of the wet paper and more than a thickness of recycled paper to be produced therefrom.Type: GrantFiled: March 22, 2017Date of Patent: July 9, 2019Assignee: Duplo Seiko CorporationInventors: Ryuichi Oota, Yoshihisa Higashimoto, Masato Okuno, Nobuki Tanimoto, Yoshiteru Ishikawa
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Publication number: 20170292785Abstract: In a press area, a wet paper is pressed against a heating surface to heat the wet paper with a conveying surface to conveying the wet paper to form a pressure regulating gap between the heating surface and the conveying surface. The pressure regulating gap is provided in a size less than a thickness of the wet paper and more than a thickness of recycled paper to be produced therefrom.Type: ApplicationFiled: March 22, 2017Publication date: October 12, 2017Inventors: Ryuichi Oota, Yoshihisa Higashimoto, Masato Okuno, Nobuki Tanimoto, Yoshiteru Ishikawa
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Patent number: 8353509Abstract: A stacker device includes a conveying belt, a longitudinal receiving guide, a paper sheet discharge detecting part, a first detecting part having a rod body, a second detecting part, and a control part for controlling the guide drive mechanism and the belt drive mechanism. The control part is formed so as to control both the mechanisms so that after the predetermined time T, which is required for the paper sheet to be stacked on the stacking surface after the paper sheet discharge detecting part detects the rear edge of the paper sheet having been conveyed to the discharging roller, passes and until the first detecting part detects the paper sheet, the longitudinal receiving guide and the conveying belt move to the upstream side of the conveyance direction at the same time, and after that, until the first detecting part does not detect the paper sheet, the longitudinal receiving guide and the conveying belt move to the downstream side of the conveyance direction at the same time.Type: GrantFiled: February 15, 2010Date of Patent: January 15, 2013Assignee: Duplo Seiko CorporationInventors: Ryuichi Oota, Hideki Oiwa, Masasuke Funase, Takaaki Maeda
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Patent number: 8322713Abstract: When the sheet (100) is mounted onto the conveyance surface (20), the alignment guide (3) is located at the retraction position by the alignment guide moving mechanism, and after the sheet (100) is mounted onto the conveyance surface (20), the alignment guide (3) is located at the guide position by the alignment guide moving mechanism.Type: GrantFiled: April 5, 2010Date of Patent: December 4, 2012Assignee: Duplo Seiko CorporationInventors: Ryuichi Oota, Hideki Oiwa, Masasuke Funase, Takaaki Maeda, Akihiko Toki
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Patent number: 8273004Abstract: A paper folding mechanism includes: first and second folding rollers (51, 52); first and second conveyance rollers (61, 62); a protrusion member (71); and a control part. Both the rollers (51, 52) are provided so that a paper is sandwiched therebetween with its fold line located in front, and is allowed to pass therethrough in a first direction. The first folding roller (51) and the first conveyance roller (61) are provided so that the paper is sandwiched therebetween and conveyed in a second direction orthogonal to the first direction. The second folding roller (52) and the second conveyance roller (62) are provided so that the paper is sandwiched therebetween and conveyed in any one of the second direction and the direction opposite thereto. The protrusion member (71) is provided so that the fold line of the paper conveyed by both the rollers (61, 62) is protruded in the first direction and fed between both the rollers (51, 52).Type: GrantFiled: February 26, 2009Date of Patent: September 25, 2012Assignee: Duplo Seiko CorporationInventors: Ryuichi Oota, Hideki Oiwa, Masasuke Funase, Takaaki Maeda
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Patent number: 8157261Abstract: A paper sheet conveying device is equipped with a conveying path (2) formed of conveying roller pairs and a controlling section conveying rollers. The conveying path (2) is composed of a first-half conveying path (2A) and a last-half conveying path (2B). The first-half conveying path (2A) has a first-half driving mechanism for controlling the rotational speed of the lower conveying rollers and a first-half vertically moving mechanism for vertically moving the upper conveying rollers. The last-half conveying path (2B) has a last-half driving mechanism for controlling the rotational speed of the lower conveying rollers and a last-half vertically moving mechanism for vertically moving the upper conveying rollers. The controlling section is configured so as to control the first-half driving mechanism, the first-half vertically moving mechanism, the last-half driving mechanism and the last-half vertically moving mechanism depending on the position of the paper sheet being conveyed.Type: GrantFiled: March 3, 2009Date of Patent: April 17, 2012Assignee: Duplo Seiko CorporationInventors: Ryuichi Oota, Hideki Oiwa, Masasuke Funase, Takaaki Maeda
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Publication number: 20120049443Abstract: When the sheet (100) is mounted onto the conveyance surface (20), the alignment guide (3) is located at the retraction position by the alignment guide moving mechanism, and after the sheet (100) is mounted onto the conveyance surface (20), the alignment guide (3) is located at the guide position by the alignment guide moving mechanism.Type: ApplicationFiled: April 5, 2010Publication date: March 1, 2012Applicant: Duplo Seiko CorporationInventors: Ryuichi Oota, Hideki Oiwa, Masasuke Funase, Takaaki Maeda, Akihiko Toki
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Publication number: 20120007306Abstract: A stacker device includes a conveying belt, a longitudinal receiving guide, a paper sheet discharge detecting part, a first detecting part having a rod body, a second detecting part, and a control part for controlling the guide drive mechanism and the belt drive mechanism. The control part is formed so as to control both the mechanisms so that after the predetermined time T, which is required for the paper sheet to be stacked on the stacking surface after the paper sheet discharge detecting part detects the rear edge of the paper sheet having been conveyed to the discharging roller, passes and until the first detecting part detects the paper sheet, the longitudinal receiving guide and the conveying belt move to the upstream side of the conveyance direction at the same time, and after that, until the first detecting part does not detect the paper sheet, the longitudinal receiving guide and the conveying belt move to the downstream side of the conveyance direction at the same time.Type: ApplicationFiled: February 15, 2010Publication date: January 12, 2012Applicant: DUPLO SEIKO CORPORATIONInventors: Ryuichi Oota, Hideki Oiwa, Masasuke Funase, Takaaki Maeda
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Publication number: 20110074091Abstract: A paper sheet conveying device is equipped with a conveying path (2) formed of a large number of conveying roller pairs and a controlling section for detecting the position of the paper sheet being conveyed and controlling the operation of the conveying rollers. The conveying path (2) is composed of a first-half conveying path (2A) and a last-half conveying path (2B). The first-half conveying path (2A) has a first-half driving mechanism for controlling the rotational speed of the lower conveying rollers and a first-half vertically moving mechanism for vertically moving the upper conveying rollers. The last-half conveying path (2B) has a last-half driving mechanism for controlling the rotational speed of the lower conveying rollers and a last-half vertically moving mechanism for vertically moving the upper conveying rollers.Type: ApplicationFiled: March 3, 2009Publication date: March 31, 2011Applicant: Duplo Seiko CorporationInventors: Ryuichi Oota, HIdeki Oiwa, Masasuke Funase, Takaaki Maeda
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Patent number: 7832318Abstract: A paper sheet processing device for processing paper sheets while carrying the paper sheets, includes a device body, a carrier for carrying the paper sheets one by one, a carrier driver for driving the carrier, processing device parts which are installed in a carrying route and which process the paper sheets, and a processing driver for driving the processing device parts. The processing device parts are installed detachably from the device body.Type: GrantFiled: May 30, 2008Date of Patent: November 16, 2010Assignee: Duplo Seiko CorporationInventors: Ryuichi Oota, Hideki Oiwa, Akira Wada
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Publication number: 20100222195Abstract: A paper folding mechanism includes: first and second folding rollers (51, 52); first and second conveyance rollers (61, 62); a protrusion member (71); and a control part. Both the rollers (51, 52) are provided so that a paper is sandwiched therebetween with its fold line located in front, and is allowed to pass therethrough in a first direction. The first folding roller (51) and the first conveyance roller (61) are provided so that the paper is sandwiched therebetween and conveyed in a second direction orthogonal to the first direction. The second folding roller (52) and the second conveyance roller (62) are provided so that the paper is sandwiched therebetween and conveyed in any one of the second direction and the direction opposite thereto. The protrusion member (71) is provided so that the fold line of the paper conveyed by both the rollers (61, 62) is protruded in the first direction and fed between both the rollers (51, 52).Type: ApplicationFiled: February 26, 2009Publication date: September 2, 2010Applicant: DUPLO SEIKO CORPORATIONInventors: Ryuichi Oota, Hideki Oiwa, Masasuke Funase, Takaaki Maeda
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Patent number: 7506868Abstract: A sheet feeder is characterized by comprising a suction carrying means, an oblique carrying means, a handling member, a detecting means located downstream of the handling member and for detecting a sheet passing through the handling member, and a retracting mechanism for retracting the handling member from the sheet passing through while the detecting means is detecting the sheet passing through.Type: GrantFiled: February 28, 2005Date of Patent: March 24, 2009Assignee: Duplo Seiko CorporationInventors: Ryuichi Oota, Hideki Oiwa, Akira Wada
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Patent number: 7448837Abstract: In a bookbinding apparatus (1) comprising an adhesive tank (23) for retaining therein an adhesive melted by heat, a roller (24) ratatably supported with the adhesive tank so as to dip a lower portion thereof in the adhesive retained in the adhesive tank, for applying the adhesive to a sheet stack along a lateral edge thereof, and a holding unit (18) capable of holding the sheet stack, an adhesive tank carrier (76, 78), the movably constituted adhesive tank (23) and the roller (24) are disposed at a stand-by position located outside a longitudinal end face of the sheet stack held by the holding unit (18) in a stand-by stage so that the adhesive tank is contactlessly heated to melt the adhesive, and are moved together from the stand-by position in a longitudinal direction of the sheet stack substantially through an entire area under a back face thereof in a bookbinding stage.Type: GrantFiled: December 26, 2003Date of Patent: November 11, 2008Assignee: Duplo Seiko CorporationInventor: Ryuichi Oota
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Publication number: 20080258379Abstract: A paper sheet processing device (1) for processing paper sheets while carrying the paper sheets, comprising a device body (10), a carrier means (2) for carrying the paper sheets one by one, a carrier driving means for driving said carrier means, processing device parts (4A, 4B, 4C) which are installed in a carrying route (20) formed of the carrier means and which process the paper sheets, and processing driving means for driving the processing device parts. The device is characterized in that the processing device parts are installed detachably from the device body.Type: ApplicationFiled: May 30, 2008Publication date: October 23, 2008Applicant: Duplo Seiko CorporationInventors: Ryuichi Oota, Hideki Oiwa, Akira Wada
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Patent number: 7419149Abstract: A paper sheet processing device (1) for processing paper sheets while carrying the paper sheets, comprising a device body (10), a carrier means (2) for carrying the paper sheets one by one, a carrier driving means for driving said carrier means, processing device parts (4A, 4B, 4C) which are installed in a carrying route (20) formed of the carrier means and which process the paper sheets, and processing driving means for driving the processing device parts. The device is characterized in that the processing device parts are installed detachably from the device body.Type: GrantFiled: February 22, 2005Date of Patent: September 2, 2008Assignee: Duplo Seiko CorporationInventors: Ryuichi Oota, Hideki Oiwa, Akira Wada
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Publication number: 20070108692Abstract: A sheet feeder is characterized by comprising a suction carrying means, an oblique carrying means, a handling member, a detecting means located downstream of the handling member and for detecting a sheet passing through the handling member, and a retracting mechanism for retracting the handling member from the sheet passing through while the detecting means is detecting the sheet passing through.Type: ApplicationFiled: February 28, 2005Publication date: May 17, 2007Applicant: Duplo Seiko CorporationInventors: Ryuichi Oota, Hideki Oiwa, Akira Wada
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Publication number: 20060145415Abstract: A paper sheet processing device (1) for processing paper sheets while carrying the paper sheets, comprising a device body (10), a carrier means (2) for carrying the paper sheets one by one, a carrier driving means for driving said carrier means, processing device parts (4A, 4B, 4C) which are installed in a carrying route (20) formed of the carrier means and which process the paper sheets, and processing driving means for driving the processing device parts. The device is characterized in that the processing device parts are installed detachably from the device body.Type: ApplicationFiled: February 22, 2005Publication date: July 6, 2006Applicant: Dupio Seiko CorporationInventors: Ryuichi Oota, Hideki Oiwa, Akira Wada
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Publication number: 20050238462Abstract: In a bookbinding apparatus (1) comprising an adhesive tank (23) for retaining therein an adhesive melted by heat, a roller (24) ratatably supported with the adhesive tank so as to dip a lower portion thereof in the adhesive retained in the adhesive tank, for applying the adhesive to a sheet stack along a lateral edge thereof, and a holding unit (18) capable of holding the sheet stack, an adhesive tank carrier (76, 78), the movably constituted adhesive tank (23) and the roller (24) are disposed at a stand-by position located outside a longitudinal end face of the sheet stack held by the holding unit (18) in a stand-by stage so that the adhesive tank is contactlessly heated to melt the adhesive, and are moved together from the stand-by position in a longitudinal direction of the sheet stack substantially through an entire area under a back face thereof in a bookbinding stage.Type: ApplicationFiled: December 26, 2003Publication date: October 27, 2005Applicant: DUPLO SEIKO CORPORATIONInventor: Ryuichi Oota