Patents by Inventor Seiji KUWANO
Seiji KUWANO 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: 12043534Abstract: Even when the filling speed increases, the surface temperature of a molded bottle falls within a constant range, and a sterilizer adequately sterilizes the bottle. A preform is heated, the heated preform is sealed in a mold, the preform sealed in the mold is blow-molded into a bottle, the surface temperatures of a neck portion, a body portion, and a bottom portion of the molded bottle are measured, and the mold temperatures of a neck portion, a body portion, and a bottom portion of the mold is so adjusted that the measured surface temperature of the bottle falls within a specified temperature range.Type: GrantFiled: July 28, 2022Date of Patent: July 23, 2024Assignee: Dai Nippon Printing Co., Ltd.Inventors: Atsushi Hayakawa, Yoshinori Sato, Seiji Kuwano
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Patent number: 11897742Abstract: A cap sterilization device (50) includes a sterilant spraying chamber (52) in which a sterilant is sprayed onto a cap (33) and an air-rinsing chamber (53) in which the cap (33) onto which the sterilant has been sprayed in the sterilant spraying chamber (52) is subjected to air-rinsing. A sterilant spraying wheel (74) that conveys the cap (33) while rotating the cap (33) is disposed in the sterilant spraying chamber (52). An air-rinsing wheel (75) that conveys the cap (33) onto which the sterilant has been sprayed while rotating the cap (33) is disposed in the air-rinsing chamber (53). The air-rinsing chamber (53) is disposed vertically above the sterilant spraying chamber (52).Type: GrantFiled: October 20, 2020Date of Patent: February 13, 2024Assignee: Dai Nippon Printing Co., Ltd.Inventors: Atsushi Hayakawa, Seiji Kuwano, Yoshinori Satou
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Patent number: 11897178Abstract: A plastic bottle manufacturing device (50) includes a preform heating part (52) that includes a plurality of heating bodies (65), a blow-molding part (54) that molds a plastic bottle (20) by blow-molding a preform (10), and a preform temperature measuring part (53) that measures temperatures of the preform (10) at a plurality of measurement points (P) in a longitudinal direction of the preform (10). The plurality of measurement points (P) are provided in correspondence with the plurality of heating bodies (65). A control unit (70) controls an output of each heating body (65) based on an optimal temperature distribution at each measurement point (P) of the preform (10) that has been predetermined and an actually measured temperature distribution at each measurement point (P) of the preform (10).Type: GrantFiled: November 29, 2019Date of Patent: February 13, 2024Assignee: Dai Nippon Printing Co., Ltd.Inventor: Seiji Kuwano
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Patent number: 11873203Abstract: A cleaning method of a heat sterilization system includes: a step of causing a fluid formed of a cleaning liquid or a rinse liquid to flow through the heat sterilization system; a step of supplying hot water to a second-stage heating unit to heat the second-stage heating unit; and a step of measuring fluid temperatures of the fluid at the fluid inlet and the fluid outlet of the second-stage heating unit, and medium temperatures of the hot water at a medium inlet of the second-stage heating unit and a medium outlet of the second-stage heating unit. An overall heat transfer coefficient (U value) of a heating pipe of the second-stage heating unit is calculated based on the fluid temperatures at the fluid inlet and the fluid outlet of the second-stage heating unit and the medium temperatures at the medium inlet and the medium outlet of the second-stage heating unit.Type: GrantFiled: October 28, 2019Date of Patent: January 16, 2024Assignee: Dai Nippon Printing Co., Ltd.Inventor: Seiji Kuwano
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Patent number: 11691861Abstract: A method of cleaning and sterilizing a drink filling apparatus including a CIP process of circulating a cleaner in a drink supply piping to remove foreign matter on an interior of the drink supply piping, and an SIP process of sterilizing the interior of the drink supply piping. The processes are performed at the same time or in sequence without an interruption between the two. The SIP process uses the cleaner to sterilize the interior of the drink supply piping. After the SIP process, while the cleaner is kept circulating, a temperature condition at a predetermined position in the drink supply piping is adjusted to a temperature setting for manufacture, after which the cleaner in the drink supply piping is removed.Type: GrantFiled: October 3, 2018Date of Patent: July 4, 2023Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Atsushi Hayakawa, Seiji Kuwano
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Publication number: 20230002208Abstract: A cap sterilization device (50) includes a sterilant spraying chamber (52) in which a sterilant is sprayed onto a cap (33) and an air-rinsing chamber (53) in which the cap (33) onto which the sterilant has been sprayed in the sterilant spraying chamber (52) is subjected to air-rinsing. A sterilant spraying wheel (74) that conveys the cap (33) while rotating the cap (33) is disposed in the sterilant spraying chamber (52). An air-rinsing wheel (75) that conveys the cap (33) onto which the sterilant has been sprayed while rotating the cap (33) is disposed in the air-rinsing chamber (53). The air-rinsing chamber (53) is disposed vertically above the sterilant spraying chamber (52).Type: ApplicationFiled: October 20, 2020Publication date: January 5, 2023Applicant: Dai Nippon Printing Co., Ltd.Inventors: Atsushi HAYAKAWA, Seiji KUWANO, Yoshinori SATOU
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Publication number: 20220371873Abstract: Even when the filling speed increases, the surface temperature of a molded bottle falls within a constant range, and a sterilizer adequately sterilizes the bottle. A preform is heated, the heated preform is sealed in a mold, the preform sealed in the mold is blow-molded into a bottle, the surface temperatures of a neck portion, a body portion, and a bottom portion of the molded bottle are measured, and the mold temperatures of a neck portion, a body portion, and a bottom portion of the mold is so adjusted that the measured surface temperature of the bottle falls within a specified temperature range.Type: ApplicationFiled: July 28, 2022Publication date: November 24, 2022Applicant: Dai Nippon Printing Co., Ltd.Inventors: Atsushi HAYAKAWA, Yoshinori SATO, Seiji KUWANO
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Publication number: 20220024109Abstract: A plastic bottle manufacturing device (50) includes a preform heating part (52) that includes a plurality of heating bodies (65), a blow-molding part (54) that molds a plastic bottle (20) by blow-molding a preform (10), and a preform temperature measuring part (53) that measures temperatures of the preform (10) at a plurality of measurement points (P) in a longitudinal direction of the preform (10). The plurality of measurement points (P) are provided in correspondence with the plurality of heating bodies (65). A control unit (70) controls an output of each heating body (65) based on an optimal temperature distribution at each measurement point (P) of the preform (10) that has been predetermined and an actually measured temperature distribution at each measurement point (P) of the preform (10).Type: ApplicationFiled: November 29, 2019Publication date: January 27, 2022Applicant: Dai Nippon Printing Co., Ltd.Inventor: Seiji KUWANO
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Patent number: 11203514Abstract: An aseptic filling system includes a heat sterilizer and a filler. The heat sterilizer has a heating unit, a holding tube, a first stage cooling unit and a second stage cooling unit. A circulation line composed of a heating-water line and a cooling-water line is connected to the heating unit and the first stage cooling unit. A connection line is connected to the cooling-water line, and aseptic cooling water in the cooling-water line is sent to the filler through the connection line.Type: GrantFiled: June 28, 2018Date of Patent: December 21, 2021Assignee: Dai Nippon Printing Co., Ltd.Inventor: Seiji Kuwano
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Patent number: 11174145Abstract: An aseptic filling system includes a heat sterilizer and a filler. The heat sterilizer has a heating unit, a holding tube, a first stage cooling unit and a second stage cooling unit. A circulation line composed of a heating-water line and a cooling-water line is connected to the heating unit and the first stage cooling unit. A connection line is connected to the cooling-water line, and aseptic cooling water in the cooling-water line is sent to the filler through the connection line.Type: GrantFiled: June 28, 2018Date of Patent: November 16, 2021Assignee: Dai Nippon Printing Co., Ltd.Inventor: Seiji Kuwano
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Publication number: 20210347621Abstract: A cleaning method of a heat sterilization system includes: a step of causing a fluid formed of a cleaning liquid or a rinse liquid to flow through the heat sterilization system; a step of supplying hot water to a second-stage heating unit to heat the second-stage heating unit; and a step of measuring fluid temperatures of the fluid at the fluid inlet and the fluid outlet of the second-stage heating unit, and medium temperatures of the hot water at a medium inlet of the second-stage heating unit and a medium outlet of the second-stage heating unit. An overall heat transfer coefficient (U value) of a heating pipe of the second-stage heating unit is calculated based on the fluid temperatures at the fluid inlet and the fluid outlet of the second-stage heating unit and the medium temperatures at the medium inlet and the medium outlet of the second-stage heating unit.Type: ApplicationFiled: October 28, 2019Publication date: November 11, 2021Applicant: Dai Nippon Printing Co., Ltd.Inventor: Seiji KUWANO
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Patent number: 11034566Abstract: A sterilization process transition method of switching from an SIP process to a product sterilization process in an apparatus including piping that feeds a product into a filling machine through a heating sterilization part. The process sterilizes the piping before a filling operation, and the product sterilization process sterilizes the product to be filled. An F value is calculated from temperature and flowrate data on a fluid flowing in the heating sterilization part that are obtained from temperature sensors and flowmeters disposed in the product filling apparatus at predetermined time intervals. The temperature and flowrate at two or more predetermined positions in the product filling apparatus are adjusted from a set temperature and a set flowrate for the SIP process to a set temperature and a set flowrate for the product sterilization process while preventing the F value from becoming lower than a predetermined value.Type: GrantFiled: January 17, 2020Date of Patent: June 15, 2021Assignee: Dai Nippon Printing Co., Ltd.Inventors: Atsushi Hayakawa, Takaharu Hirooka, Seiji Kuwano
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Patent number: 10870564Abstract: At least one of COP and SOP treatments is performed by spraying a predetermined working fluid from spray nozzles within an aseptic chamber accommodated with a filler in a predetermined order, when such at least one of the COP and SOP treatments is performed, the predetermined working fluid is blasted toward externally of the filler in the predetermined order while moving a movable spray nozzle opposing to the filler around the filler from an outer periphery thereof, thus performing the filler cleaning operation. Accordingly, downtime at the drink filling working can be reduced.Type: GrantFiled: December 19, 2018Date of Patent: December 22, 2020Assignee: Dai Nippon Printing Co., Ltd.Inventors: Atsushi Hayakawa, Seiji Kuwano
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Patent number: 10787355Abstract: A conveying equipment (50) includes a first conveyance line (60) having a first upper rotation conveyance unit (61a) and a first lower rotation conveyance unit (61b) and a second conveyance line (70) having a second upper rotation conveyance unit (71a) and a second lower rotation conveyance unit (71b). In the conveying equipment (50), between the first conveyance line (60) and the second conveyance line (70), an adjustment rotation conveyance unit (80) that rotates while gripping at least one of a flange upper portion (17a) and a flange lower portion (17b) of a bottle (10) is provided. The adjustment rotation conveyance unit (80) has an upper gripping part (81a) that is provided to be openable and closable and grips the flange upper portion (17a), and a lower gripping part (81b) that is provided to be openable and closable and grips the flange lower portion (17b).Type: GrantFiled: June 29, 2018Date of Patent: September 29, 2020Assignee: Dai Nippon Printing Co., Ltd.Inventor: Seiji Kuwano
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Publication number: 20200277178Abstract: A method of cleaning and sterilizing a drink filling apparatus including a CIP process of circulating a cleaner in a drink supply piping to remove foreign matter on an interior of the drink supply piping, and an SIP process of sterilizing the interior of the drink supply piping. The processes are performed at the same time or in sequence without an interruption between the two. The SIP process uses the cleaner to sterilize the interior of the drink supply piping. After the SIP process, while the cleaner is kept circulating, a temperature condition at a predetermined position in the drink supply piping is adjusted to a temperature setting for manufacture, after which the cleaner in the drink supply piping is removed.Type: ApplicationFiled: October 3, 2018Publication date: September 3, 2020Applicant: Dai Nippon Printing Co., Ltd.Inventors: Atsushi HAYAKAWA, Seiji KUWANO
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Publication number: 20200198955Abstract: Cost is reduced as a whole. An aseptic filling system 1A includes a heat sterilizer 18 and a filler 2. The heat sterilizer 18 has a heating unit 12, a holding tube 14, a first stage cooling unit 15 and a second stage cooling unit 16. A circulation line 30 composed of a heating-water line 31 and a cooling-water line 32 is connected to the heating unit 12 and the first stage cooling unit 15. A connection line 33 is connected to the cooling-water line 32, and aseptic cooling water in the cooling-water line 32 is sent to the filler through the connection line 33.Type: ApplicationFiled: June 28, 2018Publication date: June 25, 2020Applicant: Dai Nippon Printing Co., Ltd.Inventor: Seiji KUWANO
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Publication number: 20200156918Abstract: A conveying equipment (50) includes a first conveyance line (60) having a first upper rotation conveyance unit (61a) and a first lower rotation conveyance unit (61b) and a second conveyance line (70) having a second upper rotation conveyance unit (71a) and a second lower rotation conveyance unit (71b). In the conveying equipment (50), between the first conveyance line (60) and the second conveyance line (70), an adjustment rotation conveyance unit (80) that rotates while gripping at least one of a flange upper portion (17a) and a flange lower portion (17b) of a bottle (10) is provided. The adjustment rotation conveyance unit (80) has an upper gripping part (81a) that is provided to be openable and closable and grips the flange upper portion (17a), and a lower gripping part (81b) that is provided to be openable and closable and grips the flange lower portion (17b).Type: ApplicationFiled: June 29, 2018Publication date: May 21, 2020Applicant: Dai Nippon Printing Co., Ltd.Inventor: Seiji KUWANO
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Publication number: 20200148522Abstract: A sterilization process transition method of switching from an SIP process to a product sterilization process in an apparatus including piping that feeds a product into a filling machine through a heating sterilization part. The process sterilizes the piping before a filling operation, and the product sterilization process sterilizes the product to be filled. An F value is calculated from temperature and flowrate data on a fluid flowing in the heating sterilization part that are obtained from temperature sensors and flowmeters disposed in the product filling apparatus at predetermined time intervals. The temperature and flowrate at two or more predetermined positions in the product filling apparatus are adjusted from a set temperature and a set flowrate for the SIP process to a set temperature and a set flowrate for the product sterilization process while preventing the F value from becoming lower than a predetermined value.Type: ApplicationFiled: January 17, 2020Publication date: May 14, 2020Applicant: Dai Nippon Printing Co., Ltd.Inventors: Atsushi Hayakawa, Takaharu Hirooka, Seiji Kuwano
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Patent number: 10618789Abstract: A sterilization process transition method of switching from an SIP process to a product sterilization process in an apparatus including piping that feeds a product into a filling machine through a heating sterilization part. The process sterilizes the piping before a filling operation, and the product sterilization process sterilizes the product to be filled. An F value is calculated from temperature and flowrate data on a fluid flowing in the heating sterilization part that are obtained from temperature sensors and flowmeters disposed in the product filling apparatus at predetermined time intervals. The temperature and flowrate at two or more predetermined positions in the product filling apparatus are adjusted from a set temperature and a set flowrate for the SIP process to a set temperature and a set flowrate for the product sterilization process while preventing the F value from becoming lower than a predetermined value.Type: GrantFiled: December 22, 2016Date of Patent: April 14, 2020Assignee: Dai Nippon Printing Co., Ltd.Inventors: Atsushi Hayakawa, Takaharu Hirooka, Seiji Kuwano
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Publication number: 20190127197Abstract: At least one of COP and SOP treatments is performed by spraying a predetermined working fluid from spray nozzles within an aseptic chamber accommodated with a filler in a predetermined order, when such at least one of the COP and SOP treatments is performed, the predetermined working fluid is blasted toward externally of the filler in the predetermined order while moving a movable spray nozzle opposing to the filler around the filler from an outer periphery thereof, thus performing the filler cleaning operation. Accordingly, downtime at the drink filling working can be reduced.Type: ApplicationFiled: December 19, 2018Publication date: May 2, 2019Applicant: Dai Nippon Printing Co., Ltd.Inventors: Atsushi Hayakawa, Seiji Kuwano