Title:
紙製包装材の製造方法及び紙製包装袋の製造方法
Document Type and Number:
Japanese Patent JP7427956
Kind Code:
B2
Abstract:
To provide a paper packaging material capable of improving recyclability and design printing reproducibility, a paper packaging bag using the same, and a method of producing the same.SOLUTION: A method of producing a paper packaging material of this invention includes the steps of: coating a releasing agent on a base material film 21 to form a surface protective layer 22 made of a cured film of the releasing agent; printing on the surface protective layer 22 a design layer 23, a design of which is formed of ink, to form a transfer film 25; forming on one surface of a paper base material 28 a heat adhesive resin layer 29 on which a heat adhesive resin is printed; bonding the other surface of the paper base material 28 and the design layer 23 of the transfer film 25 with an adhesive agent 24 made of an adhesive; and releasing the base material film 21.SELECTED DRAWING: Figure 2
Inventors:
Hisaki Yamamoto
Application Number:
JP2019228836A
Publication Date:
February 06, 2024
Filing Date:
December 19, 2019
Export Citation:
Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
B31B70/88; B32B29/00; B32B37/02
Domestic Patent References:
| JP2007002066A | ||||
| JP10218170A | ||||
| JP2015113375A | ||||
| JP54107656U | ||||
| JP9295497A |
Attorney, Agent or Firm:
Patent Attorney Corporation Sano Patent Office