Packaging bag for microwave ovens
AssigneeHosokawa Yoko Co., Ltd.
InventorAkira Ohyama
Life of this patent
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Abstract
A packaging bag (10) for microwave ovens has a tube part (13) formed from a pair of resin film parts (11, 12) that each include a base material layer (21), a heat seal layer (23), and an intermediate layer (22) provided between the base material layer (21) and the heat seal layer (23) and are disposed to face each other such that the heat seal layer (23) becomes an inside thereof. At least one of the pair of resin film parts (11, 12) includes cutting lines (L1, L2, L3, L4), a temporarily fixed seal part (S), and an easy peeling part (S1), and the temporarily fixed seal part (S) is located at the easy peeling part (S1).
Claims9
A packaging bag for microwave ovens, which 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,
- wherein at least one of the pair of resin film parts includes:
- a cutting line that is formed at the intermediate layer adjacent to one end or the other end of the tube part in a length direction and extends in a width direction of the resin film part;
- and
- a temporarily fixed seal part which is formed at a position at which the cutting line is formed and at which the heat seal layers of the pair of resin film parts are heat-sealed,
- a specific region including a part of an edge of the resin film part includes an easy peeling part at which the base material layer and the intermediate layer are weakly adhered, and
- the temporarily fixed seal part is located at the easy peeling part.
Dependencies are inferred from the claim text.