Title:
PACKAGING CONTAINER
Document Type and Number:
WIPO Patent Application WO/2022/158592
Kind Code:
A1
Abstract:
This packaging container (1) comprises: an accommodation section (21) for accommodating contents; a flange section (22) disposed on the outer peripheral edge of an opening of the accommodation section (21) in an integrated manner with the accommodation section (21); a convex seal section (23) that is disposed on an upper surface of the flange section (22) and is formed so as to protrude upward and annularly extend along the entire periphery of the flange section (22), and that includes, at positions corresponding to unsealing start parts, first convex parts (23a) protruding outward in the surface direction of the flange section (22); and second convex parts (24) disposed on the upper surface of the flange section (22) so as to protrude upward and form a gap on the inner periphery side of the first convex parts (23a) of the convex seal section (23) along inner surfaces of the first convex parts (23a).
Inventors:
NAKAMOTO HIKARU (JP)
SUGANUMA YOSHINARI (JP)
HAYASHI ICHIRO (JP)
NAGAO RYUYA (JP)
SUGANUMA YOSHINARI (JP)
HAYASHI ICHIRO (JP)
NAGAO RYUYA (JP)
Application Number:
PCT/JP2022/002424
Publication Date:
July 28, 2022
Filing Date:
January 24, 2022
Export Citation:
Assignee:
DAIWA CAN CO LTD (JP)
International Classes:
B65D77/20
Foreign References:
| DE202015000579U1 | 2015-03-06 | |||
| JPH09267864A | 1997-10-14 | |||
| JP2003054634A | 2003-02-26 | |||
| JPH11292140A | 1999-10-26 | |||
| JP2016108013A | 2016-06-20 | |||
| JP2013124119A | 2013-06-24 | |||
| JP2006151475A | 2006-06-15 | |||
| JPH0263372A | 1990-03-02 |
Attorney, Agent or Firm:
KURATA, Masatoshi et al. (JP)
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