Title:
注出口栓及び包装容器
Document Type and Number:
Japanese Patent JP6848444
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a spout plug with a check valve structure, which enables stably pouring out stored liquid regardless of positions of a container, and a packaging container with the spout plug.SOLUTION: A spout plug is attached to a container main body and enables pouring stored liquid out of the container. The spout plug has: a spouting cylinder; a first ring plate that has a circular connecting hole in the center and is provided on the inside surface of the spouting cylinder; a valve element plate that can close the connecting hole from the spout side of the spouting cylinder; a plurality of ribs on the inside surfaces of the spouting cylinder, each of which is located closer to the spout than the first ring plate is, and extends circumferentially; and a second ring plate that has a circular connecting hole in the center, and is provided on the inside surface of the spouting cylinder, located closer to the spout than the rib. The valve element plate is movable to open or close the connecting hole of the first ring plate, and is also stopped by the ribs when it moves away from the spouting cylinder.SELECTED DRAWING: Figure 1
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Inventors:
Miyoshi Seiki
Takashi Fujiwara
Takashi Fujiwara
Application Number:
JP2017002444A
Publication Date:
March 24, 2021
Filing Date:
January 11, 2017
Export Citation:
Assignee:
Toppan Printing Co., Ltd.
International Classes:
B65D75/58
Domestic Patent References:
| JP3201923U | ||||
| JP2015196498A |
Foreign References:
| US20140110003 |
Attorney, Agent or Firm:
Patent business corporation Ogasawara patent office