Title:
キャップ及びそのリーク検査方法並びにキャップの製造方法
Document Type and Number:
Japanese Patent JP7120944
Kind Code:
B2
Abstract:
To create a cap having a double seal structure, a cap capable of identifying a molding defect part of such a cap, a leak inspection method thereof, and a manufacturing method of the cap.SOLUTION: A cap includes: a cap body 10 in which a pouring cylinder 14 is erected on a top wall 12 that covers a mouth cylindrical part 41 on a container body 40 side; a lid 20 in which an inner ring 24 is hung on the lower surface of the top wall 21; a first seal part A formed between an inner ring 24 and a dispensing cylinder 14, in a closed state; and a second seal part B that engages the lid body 20 with the cap body 10 to seal an internal space α formed in the lid body 20. A ventilation hole 26 for leak inspection, which is composed of at least one, is formed at a position outside the inner ring 24 on the top wall 21 of the lid 20.SELECTED DRAWING: Figure 1
More Like This:
| WO/2002/098756 | DISPENSING SPOUT AND CAP ASSEMBLY |
| JP2583036 | [Name of device] Cap with auxiliary lid |
Inventors:
Yoichi Soso
Application Number:
JP2019036424A
Publication Date:
August 17, 2022
Filing Date:
February 28, 2019
Export Citation:
Assignee:
Yoshino Industry Co., Ltd.
International Classes:
B65D47/08; B65D47/32; G01M3/32
Domestic Patent References:
| JP2015006917A |
Foreign References:
| WO2018020800A1 | ||||
| US20160145015 |
Attorney, Agent or Firm:
Kazutoyo Watanabe
Issei Watanabe
Toru Moriai
Issei Watanabe
Toru Moriai