US 11,738,928 B2
Sheet for container
Akira Kuragano, Sumida-ku (JP); Yoshinori Inagawa, Sumida-ku (JP); Daisuke Kodama, Sumida-ku (JP); and Ryo Shibutani, Sumida-ku (JP)
Assigned to Kao Corporation, Tokyo (JP)
Filed by Kao Corporation, Tokyo (JP)
Filed on Nov. 10, 2021, as Appl. No. 17/454,376.
Application 17/454,376 is a continuation of application No. 16/770,753, granted, now 11,198,549, previously published as PCT/JP2019/014961, filed on Apr. 4, 2019.
Prior Publication US 2022/0063890 A1, Mar. 3, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B65D 75/00 (2006.01); B65D 1/02 (2006.01); B65D 65/40 (2006.01); B65D 75/58 (2006.01); B65D 77/06 (2006.01)
CPC B65D 75/008 (2013.01) [B65D 1/0246 (2013.01); B65D 65/40 (2013.01); B65D 75/5883 (2013.01); B65D 77/06 (2013.01); B65D 2501/0081 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A flexible container, comprising:
a sheet that forms the flexible container, wherein:
the sheet includes:
a plurality of films layered in the sheet comprising:
a first film including a first base-material layer that is coated with a first applied gas barrier layer, the first base-material layer consisting of polyethylene, and
a second film including a second base-material layer that is coated with a second applied gas barrier layer, the second base-material layer consisting of polyethylene;
the first film and the second film are attached to each other by heat sealing;
a gas enclosing portion, which is partially non-attached and in which gas is able to be enclosed, is formed between the first film and the second film;
the second film is arranged on an inner side of the first film;
an accommodation region that accommodates a content to be accommodated is included on an inner side of the second film; and
gas is enclosed in the gas enclosing portion.