US 12,187,483 B2
Delamination container
Takanori Suzuki, Tokyo (JP); and Seiichi Asaoka, Tokyo (JP)
Assigned to YOSHINO KOGYOSHO CO., LTD., Tokyo (JP)
Appl. No. 17/640,925
Filed by YOSHINO KOGYOSHO CO., LTD., Tokyo (JP)
PCT Filed Aug. 11, 2020, PCT No. PCT/JP2020/030630
§ 371(c)(1), (2) Date Mar. 7, 2022,
PCT Pub. No. WO2021/049236, PCT Pub. Date Mar. 18, 2021.
Claims priority of application No. 2019-167595 (JP), filed on Sep. 13, 2019.
Prior Publication US 2022/0332458 A1, Oct. 20, 2022
Int. Cl. B65D 1/02 (2006.01); B65D 1/46 (2006.01); B65D 83/00 (2006.01)
CPC B65D 1/0215 (2013.01) [B65D 1/0246 (2013.01); B65D 1/0276 (2013.01); B65D 1/46 (2013.01); B65D 83/0055 (2013.01); B65D 2501/0027 (2013.01); B65D 2501/0036 (2013.01)] 12 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 shape change, and an ambient air inlet continuously extending between the outer layer body and the inner layer body, wherein
the container with separable laminated layers has a bottle shape including a tubular mouth, a shoulder continuous with the mouth, a trunk continuous with the shoulder, and a bottom continuous with the trunk,
the trunk includes a squeeze area that is continuous with the shoulder via a circumferential step portion that extends continuously over an entire circumference of the trunk,
the step portion is provided with a recess that is concave toward an inner side of the container,
the squeeze area has a cylindrical shape, and
the shoulder is provided with a concave rib that is concave toward the inner side of the container and that extends in a vertical direction, and the recess is arranged below and spaced from the concave rib so as to align with the concave rib in a circumferential direction.