Title:
容器の口栓構造
Document Type and Number:
Japanese Patent JP7348607
Kind Code:
B2
Abstract:
To provide a mouth plug structure for a container in which a liquid content does not leak easily without tightly tightening a cap on a mouth part.SOLUTION: A mouth plug structure of a container includes: a container mouth part 11 having a tapered part 11a at an upper end and a projection in a cylindrical shape from a container body 12 of a container 10; an inner plug 20 having an inner wall part 21 inserted into the container mouth part 11, a flange part 22 extending radially outward from the upper end of the inner wall part 21, an outer wall part 23 extending downward from an outer peripheral edge of the flange part 22, and a closing part 24 which closes an internal space of the inner wall part 21; a packing 30 held in the space surrounded by the inner wall part 21, the flange part 22 and the outer wall part 23 of the inner plug 20; and a cap 40 pressing the inner plug 20 downward so that the packing 30 is compressed, the inner wall part 21 is pressed against an inner peripheral surface of the container mouth part 11 via the outer wall part 23 and the flange part 22 by pressing the packing 30 by the tapered part 11a.SELECTED DRAWING: Figure 1
Inventors:
Shinichi Kunieda
Application Number:
JP2021003153A
Publication Date:
September 21, 2023
Filing Date:
January 13, 2021
Export Citation:
Assignee:
Kodama Resin Industry Co., Ltd.
International Classes:
B65D39/04
Domestic Patent References:
| JP8310549A | ||||
| JP5387877A | ||||
| JP2008273560A | ||||
| JP2010228801A | ||||
| JP202083355A |
Attorney, Agent or Firm:
Masayo Oya