PRESS-THROUGH PACKAGING MATERIAL AND PRESS-THROUGH PACKAGE USING SAME

Title:

PRESS-THROUGH PACKAGING MATERIAL AND PRESS-THROUGH PACKAGE USING SAME

Document Type and Number:

WIPO Patent Application WO/2021/045152

Kind Code:

A1

Abstract:

The present invention provides: a press-through packaging material which is provided with an anti-counterfeit label, and which does not require an additional hologram sealing material that can be separated or shamed; and a press-through package which uses this press-through packaging material.　The present invention specifically provides a press-through packaging material which is characterized by sequentially comprising: a substrate; an opaque base layer that is superposed on at least a part of the surface of the substrate; and a print layer that is formed on at least a part of the surface of the opaque base layer, while containing a colored metal pigment. This press-through packaging material is also characterized in that: the colored metal pigment contains a metal pigment, an amorphous silicon oxide film layer that is formed on the surface of the metal pigment, and a plurality of metal particles that are supported by a part or the entirety of the surface of the amorphous silicon oxide film layer; the mass per unit area of the opaque base layer is from 0.5 g/m2 to 3.0 g/m2; and the mass per unit area of the print layer is from 1.0 g/m2 to 3.5 g/m2.

Inventors:

SAITO MITUNORI (JP)
HIGASHI NAOKI (JP)
KAWASHIMA KATSURA (JP)
KANNO KEIICHI (JP)
FURUTA RYO (JP)
SHIRASAWA HIROKAZU (JP)
HIROBE GENKI (JP)

Application Number:

PCT/JP2020/033420

Publication Date:

March 11, 2021

Filing Date:

September 03, 2020

Export Citation:

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Assignee:

TOYO ALUMINIUM KK (JP)

International Classes:

B65D65/40; B65D75/36; B65D77/20

Foreign References:

JP2014031016A	2014-02-20
JP2010228309A	2010-10-14
JP2018177374A	2018-11-15

Other References: