Patents Assigned to Daizo Corporation
  • Publication number: 20230174293
    Abstract: A method for manufacturing a discharge product includes the steps of: preparing the double pressurized container including an outer container; an inner container stored inside the outer container and having flexibility; and a plug for sealing both of the outer container and the inner container; charging a concentrate inside the inner container; contracting the inner container before or after charging the concentrate; tightly mounting the plug to a mouth of the inner container; charging the pressurizing agent between the outer container and the inner container through a space between a mouth of the outer container and the mouth of the inner container; and tightly closing the space between the mouth of the outer container and the mouth of the inner container by the plug.
    Type: Application
    Filed: January 30, 2023
    Publication date: June 8, 2023
    Applicant: DAIZO CORPORATION
    Inventors: Shinya SUGAWARA, Kazuhiro YAMAGUCHI, Kimio KATAOKA, Hidetoshi MIYAMOTO, Satoshi MEKATA
  • Patent number: 11603257
    Abstract: A double pressurized container 11, 31 includes an outer container 13, 33; an inner container 14, 34 stored inside the outer container 13, 33 and having flexibility; and a plug 15, 35 welded to the outer container 13, 33 and the inner container 14, 34 and sealing both of the outer container 13, 33 and the inner container 14, 34. An inside of the inner container 14, 34 is a concentrate chamber for charging a concentrate C, and a space between the outer container 13, 33 and the inner container 14, 34 is a pressurizing agent chamber for charging a pressurizing agent P, and the plug 15, 35 is provided with an openable seal part 15d, 44 to open the concentrate chamber. A discharge product 11a, 31a has the double pressurized container 11 filled with the concentrate C and the pressurizing agent P.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: March 14, 2023
    Assignee: DAIZO CORPORATION
    Inventors: Shinya Sugawara, Kazuhiro Yamaguchi, Kimio Kataoka, Hidetoshi Miyamoto, Satoshi Mekata
  • Patent number: 11491501
    Abstract: This content-accommodating container comprises: a container body having an opening at the top end; and a valve-accommodating part for closing the opening, the valve-accommodating part being fixed to the container body. The valve-accommodating part is provided with: a cylindrical housing part accommodated inside the container body; a tube part extending downward from the housing part, the lower end thereof being disposed near the bottom side of the container body; and a first sealing part for closing the bottom end of the tube part.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: November 8, 2022
    Assignee: DAIZO CORPORATION
    Inventors: Kazuhiro Yamaguchi, Kimio Kataoka, Hidetoshi Miyamoto, Satoshi Mekata
  • Publication number: 20220234816
    Abstract: A discharge device is provided with a pressurized product filling and sealing the concentrate and the pressurizing agent P inside the container, and a discharge member discharging the concentrate by breaking through the pressurized product. The discharge member is provided with a valve which becomes a discharge passage of the concentrate, and a cap which covers the valve and is detachably mounted to the pressurized product. The discharge device is provided with a suppressing means (a maintaining mechanism, a movable lid, pressing to the bottom of the recessed part of the projecting part, a part releasing mechanism, a ratchet mechanism, a thin part and a plurality of coupling parts) for suppressing the leakage of the concentrate caused by removing the valve.
    Type: Application
    Filed: December 26, 2019
    Publication date: July 28, 2022
    Applicant: DAIZO CORPORATION
    Inventors: Shinya SUGAWARA, Kimio KATAOKA, Hidetoshi MIYAMOTO
  • Publication number: 20210323755
    Abstract: A double pressurized container 11, 31 includes an outer container 13, 33; an inner container 14, 34 stored inside the outer container 13, 33 and having flexibility; and a plug 15, 35 welded to the outer container 13, 33 and the inner container 14, 34 and sealing both of the outer container 13, 33 and the inner container 14, 34. An inside of the inner container 14, 34 is a concentrate chamber for charging a concentrate C, and a space between the outer container 13, 33 and the inner container 14, 34 is a pressurizing agent chamber for charging a pressurizing agent P, and the plug 15, 35 is provided with an openable seal part 15d, 44 to open the concentrate chamber. A discharge product 11a, 31a has the double pressurized container 11 filled with the concentrate C and the pressurizing agent P.
    Type: Application
    Filed: July 18, 2019
    Publication date: October 21, 2021
    Applicant: DAIZO CORPORATION
    Inventors: Shinya SUGAWARA, Kazuhiro YAMAGUCHI, Kimio KATAOKA, Hidetoshi MIYAMOTO, Satoshi MEKATA
  • Patent number: 11053067
    Abstract: A discharging nozzle mounted to an aerosol container in which the foamable contents are filled is provided with an inner passage extending in an axial direction of the discharging nozzle, a closing part which closes a top end of the inner passage, and an opening part which opens in a side of the inner passage. Further, an opening inner peripheral surface configuring an opening part is provided with a pair of side surfaces which controls a discharging direction of the foamable contents discharged outside through the opening part from the inner passage.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: July 6, 2021
    Assignee: DAIZO CORPORATION
    Inventors: Shu Kashine, Tomoyuki Takahashi, Erika Matsuho, Kazuhiro Matsui
  • Publication number: 20200290065
    Abstract: A discharging nozzle mounted to an aerosol container in which the foamable contents are filled is provided with an inner passage extending in an axial direction of the discharging nozzle, a closing part which closes a top end of the inner passage, and an opening part which opens in a side of the inner passage. Further, an opening inner peripheral surface configuring an opening part is provided with a pair of side surfaces which controls a discharging direction of the foamable contents discharged outside through the opening part from the inner passage.
    Type: Application
    Filed: November 30, 2018
    Publication date: September 17, 2020
    Applicant: DAIZO CORPORATION
    Inventors: Shu KASHINE, Tomoyuki TAKAHASHI, Erika MATSUHO, Kazuhiro MATSUI
  • Patent number: 10625931
    Abstract: Provided is a two fluid discharge container comprising: a container body; a piston partitioned by a first storage part and a second storage part, which are accommodated in the container body and are each to be filled with content, and a pressurized space to be filled with a pressurizing agent; and a valve mechanism that closes an opening in the container body, and has a passage through which the first storage part and the second storage part communicate. The first storage part and the second storage part are concentrically formed, and the contents of the first storage part and the second storage part are simultaneously pressurized by the piston so as to be discharged.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: April 21, 2020
    Assignee: DAIZO CORPORATION
    Inventors: Satoshi Mekata, Kimio Kataoka
  • Patent number: 10625930
    Abstract: Provided are an ejection member and an aerosol product using the same capable of obtaining a desired shape of an ejection material by suppressing adhesion of the ejection ejection materials to each other. An ejection member to be connected to an aerosol container filled with a foaming content is provided with an expansion chamber for promoting foaming of the foaming content from the aerosol container and a plurality of nozzles for ejecting the foaming content in the expansion chamber to the outside. The expansion chamber is provided with an introduction port for introducing the foaming content from the aerosol container and a delivery port for delivering the foaming content to the nozzle side. The nozzles each have a slit-shaped ejection port. The communication path that communicates the ejection port and the delivery port has a slit-shaped slit portion. A length of the slit portion in the ejection direction is greater than a slit width of the ejection port.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: April 21, 2020
    Assignee: DAIZO CORPORATION
    Inventors: Tomoyuki Takahashi, Kazuhiro Matsui, Hidetoshi Miyamoto, Satoshi Mekata
  • Patent number: 10384859
    Abstract: Provided with a discharge container that is easy to produce and maintains a constant discharge rate per unit time from the beginning to the end. This discharge container is provided with a bottle, a valve assembly configured to close an opening of the bottle and having a valve mechanism, and a pressure regulating mechanism accommodated in the bottle and configured to regulate the internal pressure of the bottle. The pressure regulating mechanism is attached to the lower end of the valve assembly.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: August 20, 2019
    Assignee: DAIZO CORPORATION
    Inventors: Shinya Sugawara, Kimio Kataoka
  • Patent number: 10226782
    Abstract: This content-accommodating container comprises: a container body having an opening at the top end; and a valve-accommodating part for closing the opening, the valve-accommodating part being fixed to the container body. The valve-accommodating part is provided with: a cylindrical housing part accommodated inside the container body; a tube part extending downward from the housing part, the lower end thereof being disposed near the bottom side of the container body; and a first sealing part for closing the bottom end of the tube part.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: March 12, 2019
    Assignee: DAIZO CORPORATION
    Inventors: Kazuhiro Yamaguchi, Kimio Kataoka, Hidetoshi Miyamoto, Satoshi Mekata
  • Publication number: 20190047777
    Abstract: Provided are an ejection member and an aerosol product using the same capable of obtaining a desired shape of an ejection material by suppressing adhesion of the ejection ejection materials to each other. An ejection member 20 to be connected to an aerosol container 10 filled with a foaming content is provided with an expansion chamber E for promoting foaming of the foaming content from the aerosol container 10 and a plurality of nozzles 22c for ejecting the foaming content in the expansion chamber E to the outside. The expansion chamber E is provided with an introduction port 21e for introducing the foaming content from the aerosol container 10 and a delivery port 22b for delivering the foaming content to the nozzle 22c side. The nozzles 22c each have a slit-shaped ejection port 22d. The communication path that communicates the ejection port 22d and the delivery port 22b has a slit-shaped slit portion 22e.
    Type: Application
    Filed: January 27, 2017
    Publication date: February 14, 2019
    Applicant: DAIZO Corporation
    Inventors: Tomoyuki TAKAHASHI, Kazuhiro MATSUI, Hidetoshi MIYAMOTO, Satoshi MEKATA
  • Patent number: 10160592
    Abstract: A two-liquid discharge container including a container body produced from synthetic resin, a partition wall member which vertically partitions the interior of the container body into a plurality of storage parts, and a valve which is provided with discharge passages that cause the respective storage parts to communicate with the outside, and which seals the container body, wherein contents are filled into the respective storage parts, at least one of the contents is a liquefied gas, and a liquefied gas lies between an undiluted solution filled into the lower storage part and a partition wall part.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: December 25, 2018
    Assignee: DAIZO CORPORATION
    Inventors: Shinya Sugawara, Kimio Kataoka, Satoshi Mekata
  • Publication number: 20180312328
    Abstract: Provided with a discharge container that is easy to produce and maintains a constant discharge rate per unit time from the beginning to the end. This discharge container is provided with a bottle, a valve assembly configured to close an opening of the bottle and having a valve mechanism, and a pressure regulating mechanism accommodated in the bottle and configured to regulate the internal pressure of the bottle. The pressure regulating mechanism is attached to the lower end of the valve assembly.
    Type: Application
    Filed: October 6, 2016
    Publication date: November 1, 2018
    Applicant: DAIZO CORPORATION
    Inventors: Shinya SUGAWARA, Kimio KATAOKA
  • Patent number: 10106311
    Abstract: Provided is a two fluid discharge container comprising: a container body; a piston partitioned by a first storage part and a second storage part, which are accommodated in the container body and are each to be filled with content, and a pressurized space to be filled with a pressurizing agent; and a valve mechanism that closes an opening in the container body, and has a passage through which the first storage part and the second storage part communicate. The first storage part and the second storage part are concentrically formed, and the contents of the first storage part and the second storage part are simultaneously pressurized by the piston so as to be discharged.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: October 23, 2018
    Assignee: DAIZO CORPORATION
    Inventors: Satoshi Mekata, Kimio Kataoka
  • Patent number: 10071850
    Abstract: Provided is a multilayer-structured discharge container having a simple structure, capable of facilitating the loading of a substance to be contained and a pressurizing agent, and capable of facilitating the ejection of the pressurizing agent after use. A discharge container in which a valve mechanism is provided with a stem having two independent in-stem paths, one in-stem path communicates with an in-holder discharge path, the other in-stem path communicates with an in-holder gas path, a contained substance is discharged by closing the other in-stem path, and the pressurizing agent is ejected by opening the other in-stem path. The discharge container is capable of causing a pressurization chamber and the atmosphere to communicate by removing a push-button from a valve assembly and pressing down a stem of a valve mechanism (switching operation).
    Type: Grant
    Filed: April 3, 2015
    Date of Patent: September 11, 2018
    Assignee: DAIZO CORPORATION
    Inventors: Shinya Sugawara, Kazuhiro Yamaguchi, Kimio Kataoka, Hidetoshi Miyamoto, Satoshi Mekata
  • Patent number: 10029844
    Abstract: An expanded housing (2) including an outer tubular portion (2a), a center-top tubular portion (2b), an annular ceiling portion (2c), and a center-bottom tubular portion (2d) is an integrally molded plastic product. Vertical plate rib-shaped portions (2h) for increasing strength are similarly integrally molded between the outer tubular portion (2a) and the center-top tubular portion (2b). An inner passage region (B) for upward passage of content is set in the center tubular portion (2b). A housing cover (28) provided in such a form as to surround the lower side of the expanded housing (2) forms an outer passage region (A) which is disposed between the housing cover (28) and an outer peripheral surface of the expanded housing (2) so as to extend downward from an upper-end-side inner space region of an inner bag-shaped container (1g) to the inner passage region (B).
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: July 24, 2018
    Assignees: MITANI VALVE CO., LTD., DAIZO CORPORATION
    Inventors: Masaaki Seki, Masato Suzuki, Ryoichi Owada
  • Patent number: 9926130
    Abstract: A valve assembly in which contents respectively packed in multiple storage parts which cannot be reacted with each other in the middle of passage, an aerosol container equipped with the valve assembly, and an aerosol products are provided. An aerosol container comprises an outer container, two inner bags inserted into the outer container, and valve assembly which closes inner bags and outer container. The valve assembly comprises aerosol valves which are separated independently from each other and a holding member for holding the aerosol valves and for fixing the aerosol valves to the outer container.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: March 27, 2018
    Assignee: DAIZO CORPORATION
    Inventors: Satoshi Mekata, Hidetoshi Miyamoto, Masazumi Tanaka, Kazuhiro Yamaguchi
  • Patent number: 9856071
    Abstract: A discharge container includes a container body made of metal having an opening, and a valve assembly fixed to the opening of the container body. The container body has a cylindrical barrel portion, a cylindrical neck portion having a diameter smaller than the barrel portion, and a bead portion formed on top of the neck portion. The opening has a cylindrical portion and the bead portion formed above the cylindrical portion. The valve assembly is equipped with a plug portion inserted into the opening, a flange portion which is provided above on the bead portion, a valve structure which opens and closes a pathway of a content and is fixed to the plug portion, an O-ring provided on an outer surface of the plug portion, and a cover cap fixing the valve assembly to the container body.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: January 2, 2018
    Assignee: DAIZO CORPORATION
    Inventors: Kazuhiro Yamaguchi, Hidetoshi Miyamoto
  • Patent number: D857501
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: August 27, 2019
    Assignee: DAIZO CORPORATION
    Inventors: Tomoyuki Takahashi, Kazuhiro Matsui, Satoshi Mekata, Masaji Sawada