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US 10,538,376 B2Granted
Laminated film and packaging container
AssigneeToppan Printing Co., Ltd.
InventorsIkuno Iguchi, Sachiko Sugaya
Life of this patent
Estimating the term…
Abstract
A laminated film includes: an inner layer formed of a heat-sealable thermoplastic resin; an outer layer laminated on the inner layer; and a fragile processed portion in which at least a part of the outer layer is removed and at least a part of the inner layer is present and which has a linear shape in planar view and a Young's modulus of 2.0 gigapascals or less.
Claims13
A laminated film comprising:
- an inner layer formed of a heat-sealable thermoplastic resin;
- an outer layer laminated on the inner layer;
- and
- an intermediate layer provided between the inner layer and the outer layer,
- wherein
- an inner layer portion of the inner layer and an outer layer portion of the outer layer form a fragile processed portion, from which a part of the outer layer portion is removed and a part of the inner layer portion is present under the removed part of the outer layer portion, the fragile processed portion having a linear shape in planar view and a Young's modulus of 2.0 gigapascals or less, and
- the intermediate layer is not provided between the inner layer portion and the outer layer portion.
4 more elements
A laminated film, comprising:
- an inner layer formed of a linear low density polyethylene resin, the inner layer being heat-sealable;
- an outer layer laminated on the inner layer;
- and
- an intermediate layer provided between the inner layer and the outer layer,
- wherein
- an inner layer portion of the inner layer and an outer layer portion of the outer layer form a fragile processed portion from which a part of the outer layer portion is removed and a part of the inner layer portion is present under the outer layer portion, the fragile processed portion having a linear shape in planar view and a Young's modulus less than 2.8 gigapascals, and
- the intermediate layer is not provided between the inner layer portion and the outer layer portion.
4 more elements
Dependencies are inferred from the claim text.