Title:
PAPER PACKING BOX
Document Type and Number:
WIPO Patent Application WO/2023/182639
Kind Code:
A1
Abstract:
The present invention relates to a functional paper packing box which is advantageous for storage and transport, has excellent assembling properties, can maintain a firm and stabilized box shape in an assembled state, and has heat-insulating, cool-insulating, and waterproof functions so as to accommodate and transport various contents. According to the present invention, the paper packing box formed of paper material including corrugated cardboard comprises, when seen in an unfolded state: a box body provided with a vinyl coating or a heat-insulating sheet; a reinforcing corner portion, a cover portion, an outwardly bent reinforcing portion, a downwardly bent reinforcing portion, a fitted coupling portion, and an auxiliary fitted coupling portion. Additionally, the paper packing box comprises a fixing portion and a provisional cover fixing portion.
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Inventors:
CHOI KWON PIL (KR)
KIM MIN CHUL (KR)
KIM MIN CHUL (KR)
Application Number:
PCT/KR2023/001093
Publication Date:
September 28, 2023
Filing Date:
January 25, 2023
Export Citation:
Assignee:
ECOVALLEYGLOBAL CO LTD (KR)
International Classes:
B65D81/38; B65D5/18; B65D5/56
Foreign References:
| KR20190056928A | 2019-05-27 | |||
| US4291826A | 1981-09-29 | |||
| KR20130000763U | 2013-01-30 | |||
| KR20180129190A | 2018-12-05 | |||
| JP2002166922A | 2002-06-11 | |||
| KR102434656B1 | 2022-08-19 |
Attorney, Agent or Firm:
INNO PATENT & LAW FIRM (KR)
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