US 11,701,890 B2
Liquid storage container
Noriyasu Nagai, Tokyo (JP); Ryoji Inoue, Kanagawa (JP); Kyosuke Nagaoka, Tokyo (JP); Takayuki Tanno, Tokyo (JP); and Kenta Udagawa, Tokyo (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Jul. 8, 2021, as Appl. No. 17/370,942.
Claims priority of application No. 2020-122250 (JP), filed on Jul. 16, 2020.
Prior Publication US 2022/0016892 A1, Jan. 20, 2022
Int. Cl. B41J 2/175 (2006.01); B65D 47/12 (2006.01); B65D 49/08 (2006.01)
CPC B41J 2/17509 (2013.01) [B41J 2/1754 (2013.01); B41J 2/17513 (2013.01); B41J 2/17523 (2013.01); B65D 47/123 (2013.01); B65D 49/08 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A liquid storage container comprising:
a discharge port member including a discharge port through which liquid stored in a storage portion is discharged;
a cover portion configured to be attachable to the discharge port member and to be capable of opening and closing the discharge port; and
a sealing portion formed of a contact portion between the cover portion and the discharge port member, wherein
the cover portion includes a groove structure positioned on a top surface of the cover portion between an outer periphery of the cover portion and the sealing portion.