Title:
PET CONTAINER CAP
Document Type and Number:
WIPO Patent Application WO/2022/030979
Kind Code:
A1
Abstract:
The present invention relates to a PET container cap, and to a cap coupled to an inlet to confirm the tight sealing of contents accommodated inside a PET container and the opening thereof, the cap comprising: a cap body having a cap threaded coupling part formed on the circumference of the inner surface thereof to be couplable to or separable from a threaded coupling part formed on the circumference of the outer surface of the inlet, and a knurling part formed on the circumference of the outer surface thereof so as to be capable of preventing slipping during rotation; and an end ring being formed in a ring shape below the cap body, and comprising a lower case which has interfering protrusions, to be caught by locking protrusions provided on the inlet, formed at intervals on the circumference of the inner surface thereof, joint protrusion parts which are arranged at intervals in a space formed between the cap body and the lower case, of which the ends on both sides are integrally formed on the cap body and the lower case, and which are deformed during rotation of the cap body, and sealing protrusion parts which are arranged, at intervals, between the joint protrusion parts, of which the ends on both sides are integrally formed on the cap body and the lower case, and of which each one end is isolated during rotation of the cap body.
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Inventors:
KWON BOK MIN (KR)
Application Number:
PCT/KR2021/010193
Publication Date:
February 10, 2022
Filing Date:
August 04, 2021
Export Citation:
Assignee:
MISOJIEUM CO LTD (KR)
International Classes:
B65D41/34
Foreign References:
| JP2009292531A | 2009-12-17 | |||
| JP2013126881A | 2013-06-27 | |||
| JP2011063312A | 2011-03-31 | |||
| KR20170000825U | 2017-03-07 | |||
| KR102248418B1 | 2021-05-06 |
Attorney, Agent or Firm:
LEE, Kang Hyun (KR)
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