Title:
NOVEL ENVIRONMENT-FRIENDLY PAPER BAG BODY
Document Type and Number:
WIPO Patent Application WO/2021/077376
Kind Code:
A1
Abstract:
An environment-friendly paper bag body, for use in packaging in logistics such as courier services and postal services. The bag body is composed of a planar structure (10), and the planar structure (10) comprises a first paper face (11) and an inner core layer (12) attached to the first paper face (11) and used for buffering protection; the inner core layer (12) comprises at least one layer of liner (120), and the liner (120) is a paper material in a shape of a plurality of uneven arrangements after being molded. The thickness of the liner of inner core layer is increased by means of the shape of uneven arrangements, the inner core layer has certain elasticity within the thickness range, and the protruding part bears pressure for buffering, thereby realizing the purpose of protecting an article. The liner is also made of a paper material, can be recycled, and does not pollute the environment.
Inventors:
YAN JINWEI (CN)
Application Number:
PCT/CN2019/113108
Publication Date:
April 29, 2021
Filing Date:
October 24, 2019
Export Citation:
Assignee:
BETA SHENZHEN PACKAGE PRODUCTS CO LTD (CN)
International Classes:
B65D27/00; B65D27/14; B65D81/03
Foreign References:
| DE102018110816A1 | 2019-11-07 | |||
| DE2437968A1 | 1976-02-19 | |||
| KR20110118532A | 2011-10-31 | |||
| CN204415999U | 2015-06-24 | |||
| CN109533630A | 2019-03-29 | |||
| CN204210876U | 2015-03-18 | |||
| JP2018177304A | 2018-11-15 |
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