US 12,264,007 B2
Delamination container
Takanori Suzuki, Tokyo (JP); and Seiichi Asaoka, Tokyo (JP)
Assigned to YOSHINO KOGYOSHO CO., LTD., Tokyo (JP)
Appl. No. 17/907,211
Filed by YOSHINO KOGYOSHO CO., LTD., Tokyo (JP)
PCT Filed Mar. 5, 2021, PCT No. PCT/JP2021/008832
§ 371(c)(1), (2) Date Sep. 23, 2022,
PCT Pub. No. WO2021/199925, PCT Pub. Date Oct. 7, 2021.
Claims priority of application No. 2020-066090 (JP), filed on Apr. 1, 2020.
Prior Publication US 2023/0331460 A1, Oct. 19, 2023
Int. Cl. B65D 83/00 (2006.01); B65D 1/02 (2006.01)
CPC B65D 83/771 (2025.01) [B65D 1/0223 (2013.01); B65D 2501/0027 (2013.01); B65D 2501/0081 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A container with separable laminated layers comprising an outer layer body, an inner layer body separably laminated on an inner surface of the outer layer body and capable of undergoing volume reduction and deformation, and an ambient air inlet extending between the outer layer body and the inner layer body, wherein
the container has a bottle shape with a tubular mouth, a shoulder that is continuous with the mouth, a trunk that is continuous with the shoulder, and a bottom that is continuous with the trunk,
the trunk includes a squeeze area,
the squeeze area has a substantially polygonal tubular shape with three or more panel-shaped portions, and three or more corner portions that each connect adjacent panel-shaped portions,
a circumferential step portion is provided between the shoulder and the squeeze area,
recesses formed in a longitudinal rib shape and that are concave toward an inner side of the container are provided in the step portion between the panel-shaped portions and the shoulder, and
each of the recesses is provided at a center of a respective one of the panel-shaped portions in the circumferential direction.