Title:
DELAMINATION BOTTLE
Document Type and Number:
Japanese Patent JP2023033891
Kind Code:
A
Abstract:
To provide a delamination bottle in which a flange part of an inner container is prevented from peeling-off from an upper opening edge of a mouth of an outer container by a seal to be removed.SOLUTION: A delamination bottle has an outer container 11 and a flexible inner container 12 for storing a content and deformed with volume reduction following reduction of the content. The inner container is peelably laminated on an inner face of the outer container, and a flange part 14 projecting outward in the radial direction and extending in the circumferential direction is formed at the upper end part of a mouth of the inner container. An undersurface of the flange part is placed at an upper end opening edge 15 of a mouth of the outer container. A sticking face part 17 of a seal S facing upward is provided at the flange part and the upper end opening edge of the mouth of the outer container, and a biting recessed part 18 in a biting state of a part 14a of the flange part is formed at a part positioned outside in the radial direction from the sticking face part, at the upper end opening edge of the mouth of the outer container.SELECTED DRAWING: Figure 3
Inventors:
SAKAMOTO SATOSHI
Application Number:
JP2021139827A
Publication Date:
March 13, 2023
Filing Date:
August 30, 2021
Export Citation:
Assignee:
YOSHINO KOGYOSHO CO LTD
International Classes:
B65D1/46; B65D1/02
Attorney, Agent or Firm:
Shu Oikawa
Hiroki Ninai
Kazunori Onami
Hiroshi Yamaguchi
Hiroki Ninai
Kazunori Onami
Hiroshi Yamaguchi
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