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Title:
LID AND AIRTIGHT CONTAINER
Document Type and Number:
Japanese Patent JP2022049900
Kind Code:
A
Abstract:
To provide a lid exhibiting excellent airtightness after removing a seal material therefrom, that can also be attached to a container whose opening is covered by a seal material.SOLUTION: A lid 50 comprises: a top face 51; a first ring 60 protruding downward from the top face 51; and a second ring 70 surrounded by the first ring 60, that protrudes downward from the top face 51. The first ring 60 comprises a protrusion 63 that protrudes inward between a base part 62 around the top face and a tip 61, and the base part is formed to be most thin-walled in a range of the protrusion from the base part.SELECTED DRAWING: Figure 4

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Inventors:
BABA NAMIE
Application Number:
JP2020156188A
Publication Date:
March 30, 2022
Filing Date:
September 17, 2020
Export Citation:
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Assignee:
TOPPAN PRINTING CO LTD
International Classes:
B65D51/22; B65D47/08
Attorney, Agent or Firm:
Yasushi Matsunuma
Shiro Suzuki
Yuichiro Shimizu
Makiko Otsuki



 
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