US 12,280,939 B2
Double pressurized container, discharge product, discharge member, dispenser system and manufacturing method for discharge product
Shinya Sugawara, Kyoto (JP); Kazuhiro Yamaguchi, Kyoto (JP); Kimio Kataoka, Kyoto (JP); Hidetoshi Miyamoto, Kyoto (JP); and Satoshi Mekata, Osaka (JP)
Assigned to DAIZO CORPORATION, Osaka (JP)
Filed by DAIZO CORPORATION, Osaka (JP)
Filed on Jan. 30, 2023, as Appl. No. 18/102,952.
Application 18/102,952 is a division of application No. 17/260,685, filed on Jan. 15, 2021, granted, now 11,603,257.
Prior Publication US 2023/0174293 A1, Jun. 8, 2023
Int. Cl. B65D 83/38 (2025.01); B65D 77/04 (2006.01); B65D 83/384 (2025.01); B65D 83/48 (2006.01); B65D 83/62 (2006.01)
CPC B65D 83/384 (2013.01) [B65D 77/04 (2013.01); B65D 83/48 (2013.01); B65D 83/62 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A method for manufacturing a discharge product comprising:
preparing the double pressurized container comprising 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 a 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.