Title:
BLANK USED TO MANUFACTURE LIQUID PACKAGING CONTAINER AND PACKAGING CONTAINER
Document Type and Number:
WIPO Patent Application WO/2021/030929
Kind Code:
A1
Abstract:
A blank used to manufacture a liquid packaging container comprises a packaging material. The packaging material comprises: a first thermoplastic layer, a paperboard support layer, a second thermoplastic layer, an oxygen and light blocking layer, and a third thermoplastic layer. The first thermoplastic layer, the paperboard support layer, the second thermoplastic layer, the oxygen and light blocking layer, and the third thermoplastic layer are sequentially fit to each other. At least one first pinhole line (1000) is provided on the support layer. The first pinhole line is provided on the support layer, and the strength and thickness of the support layer are the greatest in the packaging material, such that after the first pinhole line is provided in advance, the strength of a region is weakened, and after the container is filled, a packaging container can be opened by tearing the first pinhole line.
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| JP2016141441 | POUCH AND METHOD FOR MANUFACTURING THE SAME |
| WO/2006/015417 | BAGGING MACHINES AND BAGS MADE THEREBY |
| JP2012131562 | BAG WITH FITTING DEVICE |
Inventors:
LI SHANHONG (CN)
MENG XIANYONG (CN)
LI XIANFENG (CN)
LIANG PEICHANG (CN)
MENG XIANYONG (CN)
LI XIANFENG (CN)
LIANG PEICHANG (CN)
Application Number:
PCT/CN2019/100927
Publication Date:
February 25, 2021
Filing Date:
August 16, 2019
Export Citation:
Assignee:
SHANDONG BIHAI MACHINERY TECH CO LTD (CN)
International Classes:
B65D33/00
Foreign References:
| JP2016104635A | 2016-06-09 | |||
| JP2016104635A | 2016-06-09 | |||
| CN208053963U | 2018-11-06 | |||
| JPH11310276A | 1999-11-09 | |||
| EP1321377A1 | 2003-06-25 | |||
| JP2002274549A | 2002-09-25 |
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