US 12,240,209 B2
Liquid storage bag
Naoki Naito, Kitaazumi-gun (JP); and Yuji Aoki, Suwa-gun (JP)
Assigned to SEIKO EPSON CORPORATION, Tokyo (JP)
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on Nov. 16, 2022, as Appl. No. 17/988,500.
Claims priority of application No. 2021-186881 (JP), filed on Nov. 17, 2021.
Prior Publication US 2023/0150248 A1, May 18, 2023
Int. Cl. B32B 27/08 (2006.01); B32B 7/12 (2006.01); B32B 27/32 (2006.01); B32B 27/34 (2006.01); B32B 27/36 (2006.01); B65D 75/26 (2006.01)
CPC B32B 27/08 (2013.01) [B32B 7/12 (2013.01); B32B 27/32 (2013.01); B32B 27/34 (2013.01); B32B 27/36 (2013.01); B65D 75/26 (2013.01); B32B 2250/24 (2013.01); B32B 2255/10 (2013.01); B32B 2255/20 (2013.01); B32B 2307/4023 (2013.01); B32B 2439/46 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A liquid storage bag comprising:
a bag configured to store a liquid; and
a feeder that feeds the liquid in the bag to an external component, wherein
the bag is formed of a film,
the film includes a first base layer, a second base layer, and a first black layer located between the first base layer and the second base layer,
the first black layer is formed of a black colorant filling a layer surface of the second base layer,
the film further includes a third base layer and a second black layer that is formed of the black colorant filling a layer surface of the third base layer, and
the black colorant contains carbon, iron black or pine soot.