Title:
キャップ及び積層剥離容器
Document Type and Number:
Japanese Patent JP7231818
Kind Code:
B2
Abstract:
Provided is a cap having a check valve capable of smoothly opening and closing. Through the present invention, there is provided a cap mounted to a mouth part of a container for accommodating contents, the cap being provided with a valve body and a seat, the valve body being provided with a flow-through hole, and the valve body being configured so that an edge of the flow-through hole is blocked by coming in contact with the seat when internal pressure due to the contents is applied to an annular part on the periphery of the flow-through hole, and so that when the internal pressure is appliedto the annular part on the periphery of the flow-through hole, the valve body elastically deforms, whereby the edge of the flow-through hole separates from the seat, and the flow-through hole is opened.
Inventors:
Yosuke Muroya
Application Number:
JP2018224667A
Publication Date:
March 02, 2023
Filing Date:
November 30, 2018
Export Citation:
Assignee:
Kyoraku Co., Ltd.
International Classes:
B65D47/20; B65D1/02; B65D1/32
Domestic Patent References:
| JP201730846A | ||||
| JP201230845A | ||||
| JP2012192975A | ||||
| JP453657U | ||||
| JP201730794A | ||||
| JP201551789A | ||||
| JP2015140206A |
Attorney, Agent or Firm:
SK Patent Attorney Corporation
Akihiko Okuno
Hiroyuki Ito
Akihiko Okuno
Hiroyuki Ito