Patents Assigned to Nissei ASB Machine Co., Ltd.
  • Publication number: 20240327098
    Abstract: A double-walled resin container includes: an outer container made of resin and having a tapered shape in which an upper surface is opened, a bottom surface is closed, and a diameter is reduced from an upper surface side to a bottom surface side; and an inner container made of resin and inserted into the outer container from the upper surface side, the double-walled resin container including a heat insulating space in a gap between the outer container and the inner container. The outer container and the inner container are each formed by a biaxial stretch blow method.
    Type: Application
    Filed: April 14, 2022
    Publication date: October 3, 2024
    Applicant: NISSEI ASB MACHINE CO., LTD.
    Inventors: Michihito ITO, Manabu OGIHARA, Atsushi NAGASAKI, Masayuki USAMI
  • Publication number: 20240308720
    Abstract: This resin-made container is provided with: a neck portion having a content inlet-outlet portion; a lateral surface portion connected to the neck portion; and a bottom portion that is disposed on the side opposite to the neck portion and that is connected to the lateral surface portion. The resin-made container is produced by a stretch blow molding process. The bottom portion has formed therein a bulge section that protrudes downward in the vertical direction. The bulge section is disposed in an eccentric region, of the bottom portion, positioned outside a region demarcated by perpendicularly projecting an opening plane of the inlet-outlet portion of the neck portion.
    Type: Application
    Filed: March 15, 2024
    Publication date: September 19, 2024
    Applicant: NISSEI ASB MACHINE CO., LTD.
    Inventor: Masayuki USAMI
  • Publication number: 20240308127
    Abstract: A temperature adjustment device and a temperature adjustment method for a preform in a blow molding device with which it is possible to reduce a molding cycle time is provided. A temperature adjustment device for a preform in which a hollow rod member is inserted into an injection-molded, bottomed preform retained by a retention member, and a first air circulation path is formed between the preform and the hollow rod member to adjust the temperature of the preform. The temperature adjustment device is characterized in that a flow path adjustment member is fitted and attached to the outer periphery of the hollow rod member, whereby the cross-sectional area of the first air circulation path is partially adjusted and changed.
    Type: Application
    Filed: May 24, 2024
    Publication date: September 19, 2024
    Applicant: NISSEI ASB MACHINE CO., LTD.
    Inventors: Manabu OGIHARA, Atsushi NAGASAKI, Kazuhiro HORIUCHI
  • Patent number: 12076905
    Abstract: Provided is a resin container manufacturing method including: an injection molding process of injection molding a plurality of preforms along a predetermined arrangement direction; a temperature adjustment process of adjusting a temperature of the preform; and a blow molding process of molding a resin container from the preform. After the injection molding process, the preform and the container are conveyed along a conveying direction intersecting the arrangement direction over the temperature adjustment process and the blow molding process. The temperature adjustment process includes a first temperature adjustment process of adjusting the temperature of the preform, a second temperature adjustment process of adjusting the temperature of the preform under a condition different from that of the first temperature adjustment process, and a fine adjustment process of finely adjusting the temperature of the preform.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: September 3, 2024
    Assignee: NISSEI ASB MACHINE CO., LTD.
    Inventors: Shuichi Ogihara, Masatoshi Ando
  • Patent number: 12076900
    Abstract: A manufacturing apparatus for manufacturing a resin molded article includes: an injection molding part configured to inject resin into an injection mold and injection-mold the resin molded article; a control unit configured to control the injection by the injection molding part; a calculation unit configured to calculate a pressure reduction curve for reducing a pressure generated by the injection; and an input unit via which a user inputs a condition of the pressure reduction curve, in which the control unit is configured to control the injection based on the pressure reduction curve.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: September 3, 2024
    Assignee: NISSEI ASB MACHINE CO., LTD.
    Inventors: Yasuhiro Hidaka, Hiroki Ogihara
  • Publication number: 20240286338
    Abstract: A blow molding mold in which a holding mechanism is independently provided to a bottom mold and is configured to be capable of gripping a protruding portion provided to a bottom portion of a preform independently of a gate portion, and a rotation mechanism is configured to be capable of rotating the bottom mold, relative to a neck portion of the preform which is in a stationary state held by neck molds, in a state where the protruding portion is gripped by the holding mechanism.
    Type: Application
    Filed: March 4, 2024
    Publication date: August 29, 2024
    Applicant: NISSEI ASB MACHINE CO., LTD.
    Inventor: Masayuki USAMI
  • Patent number: 12070890
    Abstract: A temperature adjustment mold for a blow molding apparatus provided with at least an injection molding unit that injection-molds a preform made of a resin and having a bottomed shape, a temperature adjusting unit that adjusts a temperature of the preform manufactured by the injection molding unit, and a blow molding unit that blow-molds the preform to manufacture a resin container, the temperature adjustment mold including a cavity mold that accommodates the preform, and an air introduction member that includes a fitting core and a rod member with a multiple-tube structure to form at least three concentric air flow paths.
    Type: Grant
    Filed: May 31, 2023
    Date of Patent: August 27, 2024
    Assignee: NISSEI ASB MACHINE CO., LTD.
    Inventors: Kazuhiro Horiuchi, Manabu Ogihara, Atsushi Nagasaki
  • Publication number: 20240278478
    Abstract: There is provided a resin container manufacturing apparatus configured to stretch a preform disposed in a stretch blow molding mold by a stretching rod and stretch the preform by introducing blow air into the preform so as to form a resin container. The resin container manufacturing apparatus includes detection means for detecting an actual position of the stretching rod inserted into the preform, and supply control means for controlling a supply state of the blow air based on a detection result of the detection means.
    Type: Application
    Filed: February 28, 2024
    Publication date: August 22, 2024
    Applicant: NISSEI ASB MACHINE CO., LTD.
    Inventors: Yasuhiro HIDAKA, Tomoaki TSUCHIYA
  • Patent number: 12042974
    Abstract: A manufacturing apparatus for manufacturing a resin container including an injection molding part configured to injection-mold a preform, and a temperature adjustment part configured to adjust a temperature of the preform molded in the injection molding part. The manufacturing apparatus is configured to blow-mold the preform whose temperature has been adjusted in the temperature adjustment part. The injection molding part includes an injection core mold and an injection cavity mold, and both the injection core mold and the injection cavity mold include a flow path connected to a chiller in which coolant is configured to flow to cool the preform such that the preform is inserted into the temperature adjustment part in a state where an outer surface temperature of the preform is higher than a glass transition temperature of a material constituting the preform by 30° C. or higher and 60° C. or lower.
    Type: Grant
    Filed: June 30, 2023
    Date of Patent: July 23, 2024
    Assignee: NISSEI ASB MACHINE CO., LTD.
    Inventor: Yoichi Tsuchiya
  • Publication number: 20240217158
    Abstract: The present application includes an injection molding step and a stretch blow molding step. The stretch blow molding step is configured to include: a first step in which preliminary blow air is introduced into a preform to stretch the preform in a state in which a stretching rod does not contact the bottom of the preform; a second step which is executed after the first step, and in which the preliminary blow air is introduced into the preform and the stretching rod is moved at a set speed and pressed against the bottom of the preform to stretch the preform; and a third step which is executed after the second step, and in which final blow air is introduced into the preform to stretch the preform.
    Type: Application
    Filed: March 14, 2024
    Publication date: July 4, 2024
    Applicant: NISSEI ASB MACHINE CO., LTD.
    Inventor: Kiyonori SHIMADA
  • Patent number: 12017399
    Abstract: A temperature adjustment device and a temperature adjustment method for a preform in a blow molding device with which it is possible to reduce a molding cycle time is provided. A temperature adjustment device for a preform in which a hollow rod member is inserted into an injection-molded, bottomed preform retained by a retention member, and a first air circulation path is formed between the preform and the hollow rod member to adjust the temperature of the preform. The temperature adjustment device is characterized in that a flow path adjustment member is fitted and attached to the outer periphery of the hollow rod member, whereby the cross-sectional area of the first air circulation path is partially adjusted and changed.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: June 25, 2024
    Assignee: NISSEI ASB MACHINE CO., LTD.
    Inventors: Manabu Ogihara, Atsushi Nagasaki, Kazuhiro Horiuchi
  • Publication number: 20240181693
    Abstract: A blow molding device in which a preform is injection-molded, the injection-molded preform is temperature-controlled by a temperature adjusting unit, and the temperature-adjusted preform is blow-molded, wherein the temperature adjusting unit has a multistage structure in which an uppermost stage has the highest temperature structure, and the mold surface temperatures of lower stages and other than the uppermost stage are set to be 10° C. or more lower than the glass transition temperature of the preform.
    Type: Application
    Filed: December 13, 2023
    Publication date: June 6, 2024
    Applicant: NISSEI ASB MACHINE CO., LTD.
    Inventors: Manabu OGIHARA, Atsushi NAGASAKI, Kazuhiro HORIUCHI
  • Publication number: 20240140015
    Abstract: A method of manufacturing a resin container having a flat cross-sectional shape includes a temperature adjusting step of preliminarily blowing a resin preform in a first mold to mold an intermediate molded body having a diameter larger than a diameter of a container short diameter side and adjusting a temperature of the intermediate molded body in the first mold, and a blow molding step of bringing the temperature-adjusted intermediate molded body into contact with a second mold to compress the intermediate molded body in a container short diameter direction, and then stretching and blow molding the intermediate molded body in the second mold to manufacture the resin container.
    Type: Application
    Filed: April 13, 2022
    Publication date: May 2, 2024
    Applicant: NISSEI ASB MACHINE CO., LTD.
    Inventors: Ryo MINEMURA, Manabu OGIHARA, Masayuki USAMI, Junji TAKAHASHI
  • Publication number: 20240131774
    Abstract: A producing method for a resin container includes a first injection molding step of injection-molding an intermediate molded body that has a bottomed cylindrical shape and is made of resin, a second injection molding step of injection-molding a resin material into the intermediate molded body to produce a multilayer preform in which a resin layer is laminated on the intermediate molded body, and a blow molding step of blow-molding the multilayer preform in a state of having residual heat from injection molding to produce a resin container. The multilayer preform is formed such that a bottom portion is thicker than a body portion. In the blow molding step, at least one surface of the bottom portion of the multilayer preform is pressed with a mold, and a three-dimensional pattern corresponding to the mold is transferred to a thick bottom portion of the resin container.
    Type: Application
    Filed: March 13, 2022
    Publication date: April 25, 2024
    Applicant: NISSEI ASB MACHINE CO., LTD.
    Inventors: Toshiteru OIKE, Kazuya ISHIZAKA
  • Patent number: 11964793
    Abstract: This resin-made container is provided with: a neck portion having a content inlet-outlet portion; a lateral surface portion connected to the neck portion; and a bottom portion that is disposed on the side opposite to the neck portion and that is connected to the lateral surface portion. The resin-made container is produced by a stretch blow molding process. The bottom portion has formed therein a bulge section that protrudes downward in the vertical direction. The bulge section is disposed in an eccentric region, of the bottom portion, positioned outside a region demarcated by perpendicularly projecting an opening plane of the inlet-outlet portion of the neck portion.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: April 23, 2024
    Assignee: NISSEI ASB MACHINE CO., LTD.
    Inventor: Masayuki Usami
  • Patent number: 11964420
    Abstract: A blow molding apparatus includes a machine bed, an upper base disposed at intervals in a vertical direction from the machine bed, a transport plate configured to rotate at a height position of the upper base to convey the preform between an injection molding part and a blow molding part, and an elevation mechanism configured to move the transport plate or the upper base up and down in the vertical direction with respect to a mold disposed on the machine bed. A support pillar includes a height adjusting part configured to adjust a stroke of the transport plate or the upper base in the vertical direction with respect to the machine bed.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: April 23, 2024
    Assignee: NISSEI ASB MACHINE CO., LTD.
    Inventors: Hiroshi Horigome, Toshio Nakajima
  • Publication number: 20240123672
    Abstract: A method for manufacturing a resin container includes: performing injection molding on a resin preform; adjusting a temperature of the preform manufactured in the performing injection molding; and performing blow molding on the temperature-adjusted preform to manufacture the resin container. In the performing injection molding, injection molds are opened after completion of filling and pressure holding of a resin material, and the preform is taken out without being cooled in the injection molds after the completion of filling and pressure holding. In addition, in the adjusting the temperature, a refrigerant is introduced into the preform to cool the preform.
    Type: Application
    Filed: November 18, 2021
    Publication date: April 18, 2024
    Applicant: NISSEI ASB MACHINE CO., LTD.
    Inventor: Manabu OGIHARA
  • Publication number: 20240123671
    Abstract: A temperature adjustment mold capable of performing local temperature adjustment in an axial direction from the inside of a preform while restricting shrinkage and deformation of the preform, for adjusting a temperature of an injection-molded bottomed resin-made preform includes a rod portion inserted into the preform and extending in the axial direction of the preform. The rod portion includes an annular projection portion that protrudes in a radial direction of the rod portion and contacts an inner peripheral surface of the preform. The rod portion contacts a bottom portion of the preform to restrict shrinkage in the axial direction of the preform. The projection portion restricts shrinkage in a radial direction of the preform, conducts heat between the rod portion and the preform, and adjusts a temperature at a predetermined part in an axial direction of the preform.
    Type: Application
    Filed: February 22, 2022
    Publication date: April 18, 2024
    Applicant: NISSEI ASB MACHINE CO., LTD.
    Inventors: Kiyonori SHIMADA, Tomomi TSUCHIYA, Koichi IKEDA, Yuya MIYASAKA
  • Publication number: 20240123670
    Abstract: A temperature adjustment mold for adjusting a temperature of a preform that is injection-molded, has a bottomed shape, and is made of resin includes one or more adjusting portions that face a part of an outer peripheral surface of a body portion of the preform and locally heat a predetermined portion in a circumferential direction of the preform. The adjusting portion is disposed such that a gap is formed in the circumferential direction, and an attachment position is adjustable in the circumferential direction.
    Type: Application
    Filed: February 22, 2022
    Publication date: April 18, 2024
    Applicant: NISSEI ASB MACHINE CO., LTD.
    Inventors: Kiyonori SHIMADA, Ryo KAWAMURA, Junji TAKAHASHI, Kazuya ISHIZAKA
  • Patent number: 11958230
    Abstract: A manufacturing method includes an injection molding process of injection-molding a preform, a temperature adjustment process of temperature-adjusting the preform while cooling the preform, and a blow molding process of blow-molding the temperature-adjusted preform to manufacture a resin container. In the injection molding process, a step portion thicker than at least an engagement groove of a neck portion is formed between the neck portion and a body portion of the preform.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: April 16, 2024
    Assignee: NISSEI ASB MACHINE CO., LTD.
    Inventor: Toshiaki Misaizu