Title:
PACKAGE BAG AND METHOD OF MANUFACTURING PACKAGE BAG
Document Type and Number:
Japanese Patent JP2021187503
Kind Code:
A
Abstract:
To provide a package bag improved in safety when unsealed using a notch, and a method of manufacturing the package bag.SOLUTION: A package bag comprises a joint part 5 formed at an outer edge 5a of an overlap part of sheets 2, 3 along the overlap part, and an opening starting-point part 10. The opening starting-point part 10 comprises: a non-joint part 11 which is formed at a predetermined position of the overlap part on the side of the outer edge 5a, and in a predetermined shape having a first width W3 not reaching an inner edge 5c of the joint part 5 from the outer edge 5a of the overlap part, and a second width W4 at the outer edge 5a of the overlap part; a notch 12 which has one end formed at the non-joint part 11 not reach the outer edge 5a of the overlap part; and a mark 13 which is added to a top surface of a sheet 2 to indicate the position of the notch 12.SELECTED DRAWING: Figure 3
Inventors:
NIHEI YUKA
Application Number:
JP2020094522A
Publication Date:
December 13, 2021
Filing Date:
May 29, 2020
Export Citation:
Assignee:
HOWA SANGYO KK
International Classes:
B65D33/00; B31B70/64; B31B70/74
Attorney, Agent or Firm:
Seiichi Yakumaru