Hosokawa Yoko Co., Ltd.

Akira Ohyama

Hiroyuki Arai

Akio Youtou

A packaging bag is formed in a bag shape by overlapping of a laminated film and a laminated film facing each other, and unsealed by cutting of a predetermined section. The packaging bag includes a zipper for opening and closing an opening, the zipper being provided along edges of the opening formed by the unsealing, a linear cut section that is formed in a functional layer of the laminated film so as to be parallel to the zipper, and becomes the edge of the opening by the unsealing of the packaging bag, and a linear cut section that is formed at a different level from the cut section in a functional layer of the laminated film so as to be parallel to the zipper, and becomes the edge of the opening by the unsealing of the packaging bag.

Packaging bag and method for manufacturing packaging bag

A packaging bag () for microwave ovens has a tube part () formed from a pair of resin film parts () that each include a base material layer (), a heat seal layer (), and an intermediate layer () provided between the base material layer () and the heat seal layer () and are disposed to face each other such that the heat seal layer () becomes an inside thereof. At least one of the pair of resin film parts () includes cutting lines (L, L, L, L), a temporarily fixed seal part (S), and an easy peeling part (S), and the temporarily fixed seal part (S) is located at the easy peeling part (S).

Growing community of inventors

Tokyo, Japan

Akira Ohyama