Patents Assigned to Harmotec Co., Ltd.
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Publication number: 20240109734Abstract: A conveyance equipment includes swirl flow-forming body, discharge fluid rectification cover and skirt. The swirl flow-forming body has columnar first body. A columnar recess is inward of lower end face of first body. A pair of fluid passages are formed in columnar first body to extend to inside surface of columnar recess and supply fluid into columnar recess to generate swirling flow. The discharge fluid rectification cover has a second body which includes a disk-shaped base plate and a peripheral wall that extends around the periphery of the base plate. The second body is positioned to cover the columnar recess. A suction port is in the bottom plate. A discharge passage is in the peripheral wall to extend generally tangential to the inside surface of peripheral wall. The skirt is cylindrical and is made of an elastic thin film, a top opening of which is connected to the suction port.Type: ApplicationFiled: March 25, 2022Publication date: April 4, 2024Applicant: HARMOTEC CO., LTD.Inventors: Hitoshi IWASAKA, Hideyuki TOKUNAGA, Katsuhiro KOSHIISHI, Hidemitsu TANAKA, Yuji KASAI, Naonari IWASAKA
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Publication number: 20230191620Abstract: A conveyance device includes a plate-shaped main body that faces a plate-shaped object to be conveyed, a plurality of recesses formed in the plate-shaped main body to face an outer circumferential portion of the plate-shaped object to be conveyed, a plurality of discharge channels formed inside the main body, and a plurality of movement restriction members formed on the main body to contact with and to restrict lateral movement of the plate-shaped object to be conveyed. One each of the plurality of discharge channels is connected to one each of the plurality of recesses, and a swirling flow is formed in the plurality of recesses by fluid supplied from the plurality of connected discharge channels. In each of the plurality of recesses, a portion of an opening not covered by the plate-shaped object to be conveyed is covered by one of the plurality of movement restriction members.Type: ApplicationFiled: May 18, 2021Publication date: June 22, 2023Applicant: HARMOTEC CO., LTD.Inventors: Hitoshi IWASAKA, Hidemitsu TANAKA, Hideyuki TOKUNAGA, Katsuhiro KOSHIISHI, Yuji KASAI, Naonari IWASAKA
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Patent number: 11642794Abstract: A suction device that holds a member by suction in a stable manner is provided. The suction device includes a columnar main body, a flat end face formed on the main body, a concave part formed in the end face, a fluid flow-forming supply paths for forming a fluid swirl flow in the concave part by discharging fluid into the concave part, the fluid swirl flow generating negative pressure that applies suction to a member, and a linear guide groove formed on the end surface along a direction in which the fluid discharged into the concave part flows out of the concave part.Type: GrantFiled: September 6, 2018Date of Patent: May 9, 2023Assignee: HARMOTEC CO., LTD.Inventors: Hitoshi Iwasaka, Hideyuki Tokunaga, Yuji Kasai, Katsuhiro Koshiishi, Hidemitsu Tanaka, Hirohiko Ono, Katsutoshi Minoura, Naonari Iwasaka
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Patent number: 11339010Abstract: A swirl-flow forming body includes a through-hole; a jetting port that is formed on an inner periphery facing the through-hole; a fluid passage that allows fluid to be discharged into the through-hole via the jetting port so as to form a swirl flow that generates negative pressure for applying suction to a target object; and a flange portion that is formed so as to protrude from the inner periphery, the flange portion allowing passage of fluid to which suction is applied by the negative pressure while preventing the fluid discharged via the jetting port from flowing out of the through-hole towards the target object. The inner periphery is formed so as to guide the fluid discharged via the jetting port, in a direction away from the target object, to be discharged from the through-hole.Type: GrantFiled: April 3, 2019Date of Patent: May 24, 2022Assignee: HARMOTEC CO., LTD.Inventors: Hideyuki Tokunaga, Katsuhiro Koshiishi, Hidemitsu Tanaka, Hitoshi Iwasaka
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Publication number: 20210229935Abstract: A swirl-flow forming body includes a through-hole; a jetting port that is formed on an inner periphery facing the through-hole; a fluid passage that allows fluid to be discharged into the through-hole via the jetting port so as to form a swirl flow that generates negative pressure for applying suction to a target object; and a flange portion that is formed so as to protrude from the inner periphery, the flange portion allowing passage of fluid to which suction is applied by the negative pressure while preventing the fluid discharged via the jetting port from flowing out of the through-hole towards the target object. The inner periphery is formed so as to guide the fluid discharged via the jetting port, in a direction away from the target object, to be discharged from the through-hole.Type: ApplicationFiled: April 3, 2019Publication date: July 29, 2021Applicant: HARMOTEC CO., LTD.Inventors: Hideyuki TOKUNAGA, Katsuhiro KOSHIISHI, Hidemitsu TANAKA, Hitoshi IWASAKA
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Patent number: 11008180Abstract: Swirl flow-forming body includes main body, first end face that is formed at main body and faces a member to which suction is applied, hole that opens on first end face, jetting port that is formed on inner periphery of main body, inner periphery facing hole, and fluid passage that allows fluid to be discharged into hole via jetting port so as to form a swirl flow that generates negative pressure for applying suction to the member. Inner periphery is formed so as to guide fluid discharged via jetting port, in a direction away from the member, to be discharged from hole.Type: GrantFiled: May 18, 2017Date of Patent: May 18, 2021Assignee: HARMOTEC CO., LTD.Inventors: Hitoshi Iwasaka, Yuji Kasai, Hideyuki Tokunaga, Katsuhiro Koshiishi, Hidemitsu Tanaka, Katsutoshi Minoura
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Publication number: 20200164527Abstract: A suction device that holds a member by suction in a stable manner is provided. The suction device includes a columnar main body, a flat end face formed on the main body, a concave part formed in the end face, a fluid flow-forming means for forming a fluid swirl flow in the concave part by discharging fluid into the concave part, the fluid swirl flow generating negative pressure that applies suction to a member, and a linear guide groove formed on the end surface along a direction in which the fluid discharged into the concave part flows out of the concave part.Type: ApplicationFiled: September 6, 2018Publication date: May 28, 2020Applicant: HARMOTEC CO., LTD.Inventors: Hitoshi IWASAKA, Hideyuki TOKUNAGA, Yuji KASAI, Katsuhiro KOSHIISHI, Hidemitsu TANAKA, Hirohiko ONO, Katsutoshi MINOURA, Naonari IWASAKA
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Patent number: 10654654Abstract: Suction device includes swirl flow-forming body that forms a swirl flow to apply suction to material by use of Bernoulli's principle, and case that houses swirl flow-forming body, and guides flow of a fluid flowing out of concave part of swirl flow-forming body. Case includes guide part, flange part, and cover part. Guide part controls flow of a fluid flowing out of concave part of swirl flow-forming body and flowing along end face, such that the fluid flows in a direction away from a position of material. Flange part forms, between flange part and end face, a flow path for a fluid to flow out of concave part. Cover part is fixed on the top surface of main body of swirl flow-forming body.Type: GrantFiled: June 30, 2016Date of Patent: May 19, 2020Assignee: HARMOTEC CO., LTD.Inventors: Hitoshi Iwasaka, Hideyuki Tokunaga, Yuji Kasai
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Publication number: 20200140211Abstract: Swirl flow-forming body includes main body, first end face that is formed at main body and faces a member to which suction is applied, hole that opens on first end face, jetting port that is formed on inner periphery of main body, inner periphery facing hole, and fluid passage that allows fluid to be discharged into hole via jetting port so as to form a swirl flow that generates negative pressure for applying suction to the member. Inner periphery is formed so as to guide fluid discharged via jetting port, in a direction away from the member, to be discharged from hole.Type: ApplicationFiled: May 18, 2017Publication date: May 7, 2020Applicant: HARMOTEC CO., LTD.Inventors: Hitoshi IWASAKA, Yuji KASAI, Hideyuki TOKUNAGA, Katsuhiro KOSHIISHI, Hidemitsu TANAKA, Katsutoshi MINOURA
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Patent number: 10643881Abstract: Baffle plate to be attached to fluid flow-forming body includes baffle plate main body that is attachable to and detachable from fluid flow-forming body. Baffle plate main body allows a fluid to which suction is applied by negative pressure generated by fluid flow-forming body to pass through, while preventing a member from entering concave part of fluid flow-forming body. Baffle plate also includes support member that is attached to main body of fluid flow-forming body at one end thereof, and supports baffle plate main body at the other end thereof such that baffle plate main body opposes end face of fluid flow-forming body. Support member supports baffle plate main body such that a gap between end face and baffle plate main body is maintained, and a fluid path is formed that allows a fluid flowing out of concave part to flow.Type: GrantFiled: October 27, 2017Date of Patent: May 5, 2020Assignee: HARMOTEC CO., LTD.Inventors: Hitoshi Iwasaka, Hideyuki Tokunaga, Yuji Kasai, Katsuhiro Koshiishi, Hidemitsu Tanaka
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Patent number: 10189166Abstract: Suction equipment 10 is provided with a swirl flow-forming body 1, a baffle plate 2, and connecting members 3 that connect swirl flow-forming body 1 and baffle plate 2. Baffle plate 2 obstructs a member W to which suction is applied from entering a concave part 12 provided in swirl flow-forming body 1. Connecting members 3 form, between end face 13 and baffle plate 2, a flow path for fluid to flow out of concave part 12.Type: GrantFiled: February 29, 2016Date of Patent: January 29, 2019Assignee: HARMOTEC CO., LTD.Inventors: Hitoshi Iwasaka, Hideyuki Tokunaga, Yuji Kasai
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Publication number: 20190027393Abstract: Baffle plate to be attached to fluid flow-forming body includes baffle plate main body that is attachable to and detachable from fluid flow-forming body. Baffle plate main body allows a fluid to which suction is applied by negative pressure generated by fluid flow-forming body to pass through, while preventing a member from entering concave part of fluid flow-forming body. Baffle plate also includes support member that is attached to main body of fluid flow-forming body at one end thereof, and supports baffle plate main body at the other end thereof such that baffle plate main body opposes end face of fluid flow-forming body. Support member supports baffle plate main body such that a gap between end face and baffle plate main body is maintained, and a fluid path is formed that allows a fluid flowing out of concave part to flow.Type: ApplicationFiled: October 27, 2017Publication date: January 24, 2019Applicant: Harmotec Co., Ltd.Inventors: Hitoshi IWASAKA, Hideyuki TOKUNAGA, Yuji KASAI, Katsuhiro KOSHIISHI, Hidemitsu TANAKA
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Publication number: 20180222679Abstract: Suction device includes swirl flow-forming body that forms a swirl flow to apply suction to material by use of Bernoulli's principle, and case that houses swirl flow-forming body, and guides flow of a fluid flowing out of concave part of swirl flow-forming body. Case includes guide part, flange part, and cover part. Guide part controls flow of a fluid flowing out of concave part of swirl flow-forming body and flowing along end face, such that the fluid flows in a direction away from a position of material. Flange part forms, between flange part and end face, a flow path for a fluid to flow out of concave part. Cover part is fixed on the top surface of main body of swirl flow-forming body.Type: ApplicationFiled: June 30, 2016Publication date: August 9, 2018Applicant: HARMOTEC CO., LTD.Inventors: Hitoshi IWASAKA, Hideyuki TOKUNAGA, Yuji KASAI
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Publication number: 20180065257Abstract: Suction equipment is provided with a swirl flow-forming body, a baffle plate, and connecting members that connect swirl flow-forming body and baffle plate. Baffle plate obstructs a member to which suction is applied from entering a concave part provided in swirl flow-forming body. Connecting members form, between end face and baffle plate, a flow path for fluid to flow out of concave part.Type: ApplicationFiled: February 29, 2016Publication date: March 8, 2018Applicant: HARMOTEC CO., LTD.Inventors: Hitoshi IWASAKA, Hideyuki TOKUNAGA, Yuji KASAI
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Publication number: 20160300749Abstract: Swirl flow-forming body for holding a plate-like member by discharging fluid to generate a negative pressure between the swirl flow-forming body and the member includes columnar main body, flat end face formed at the main body, that faces the member, concave part formed at the end face, introduction passages that discharge liquid into the concave part to from a liquid swirl flow, and introduction passages that discharge gas into the concave part to from a gas swirl flow.Type: ApplicationFiled: November 27, 2014Publication date: October 13, 2016Applicant: HARMOTEC CO., LTD.Inventors: Hitoshi IWASAKA, Hideyuki TOKUNAGA, Yuji KASAI, Katsuhiro KOSHIISHI
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Publication number: 20160300748Abstract: Conveyance equipment for conveying a plate-like member includes plural items of liquid discharging equipment that hold the member by discharging liquid to generate a negative pressure between the liquid discharging equipment and the member. Each of the plural items of liquid discharging equipment includes a columnar main body, a flat end face formed at the main body, which faces the member, a concave part formed at the end face, and one or more liquid passages that discharge liquid into the concave part at a peripheral edge of the concave part. The one or more liquid passages are arranged so that a direction in which a liquid flows out of the concave part along the end face and a direction from a center of gravity of the member toward a position of the member, opposite the liquid discharging equipment, form an angle smaller than or equal to 90 degrees.Type: ApplicationFiled: November 27, 2014Publication date: October 13, 2016Applicant: HARMOTEC CO., LTD.Inventors: Hitoshi IWASAKA, Hideyuki TOKUNAGA, Yuji KASAI, Katsuhiro KOSHIISHI
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Publication number: 20160300750Abstract: Holding equipment for holding a plate-like member by discharging fluid to generate a negative pressure between the holding equipment and the member, includes a columnar main body, a flat end face formed at the main body, that faces the member, a concave part formed at the end face, one or more fluid passages that discharge fluid into the concave part to form a swirl flow or a radial flow, and a liquid supply device for supplying a part of the member with a liquid, the part facing the centre of the swirl flow or the radial centre of the radial flow.Type: ApplicationFiled: November 27, 2014Publication date: October 13, 2016Applicant: HARMOTEC CO., LTD.Inventors: Hitoshi IWASAKA, Hideyuki TOKUNAGA, Yuji KASAI, Katsuhiro KOSHIISHI
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Patent number: 9187256Abstract: Non-contacting conveyance equipment for conveying a plate-like member in a non-contacting manner comprises a plate-like base body and a plurality of swirl flow-forming bodies provided at the base body. Each of the plurality of swirl flow-forming bodies includes a column-shaped main body, a cylindrical chamber formed inside the main body, that has an opening at one end, a flat end face formed at a surface of the main body, in which the cylindrical chamber is opened, a jetting port provided at an inner circumferential surface of the cylindrical chamber, a fluid introduction port provided at an outer circumferential surface of the main body, and a fluid passage that connects the fluid introduction port to the jetting port.Type: GrantFiled: August 24, 2012Date of Patent: November 17, 2015Assignee: HARMOTEC CO., LTD.Inventors: Hitoshi Iwasaka, Hideyuki Tokunaga, Katsuhiro Koshiishi
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Publication number: 20140227045Abstract: Non-contacting conveyance equipment for conveying a plate-like member in a non-contacting manner comprises a plate-like base body and a plurality of swirl flow-forming bodies provided at the base body. Each of the plurality of swirl flow-forming bodies includes a column-shaped main body, a cylindrical chamber formed inside the main body, that has an opening at one end, a flat end face formed at a surface of the main body, in which the cylindrical chamber is opened, a jetting port provided at an inner circumferential surface of the cylindrical chamber, a fluid introduction port provided at an outer circumferential surface of the main body, and a fluid passage that connects the fluid introduction port to the jetting port.Type: ApplicationFiled: August 24, 2012Publication date: August 14, 2014Applicant: HARMOTEC CO., LTD.Inventors: Hitoshi Iwasaka, Hideyuki Tokunaga, Katsuhiro Koshiishi
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Patent number: 7360322Abstract: A non-contacting conveyance equipment comprises: a body having an end face that opposes an object to be conveyed, and a concave opening formed in the end face and surrounded by a cylindrical inner side wall; and a fluid passageway having a plurality of pairs of spouts to introduce fluid into an inner space of the concave opening in a circumferential direction of the cylindrical inner side wall so as to cause a swirl of fluid within the concave opening, each of the plurality of pairs of spouts being formed on the cylindrical inner side wall symmetrically to a central axis of the concave opening. A plurality of the non-contacting conveyance equipments may be provided on a base.Type: GrantFiled: August 16, 2001Date of Patent: April 22, 2008Assignee: Harmotec Co., Ltd.Inventors: Hitoshi Iwasaka, Hideyuki Tokunaga