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US 2015/0086139 A1Published application
Easily tearable zipper tape and packaging bag with easily tearable zipper tape
AssigneeIdemitsu Unitech Co., Ltd.
InventorTomohiko TAMAOKI
Life of this patent
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Abstract
A thin portion is provided near an opening of a bag body to a main body of a belt-like base connected to an engagement portion. The thin portion is provided between a thick first projecting portion and a thick second projecting portion. The thin portion is thinner than the first projecting portion and the second projecting portion. On the thin portion, ribs are provided in plural lines.
Claims10
An easily tearable zipper tape that is attached to an inner surface of a packaging bag, the easily tearable zipper tape comprising:
- an engagement portion at which a pair of male member and a female member are mated with each other;
- and
- belt-like bases provided continuously to the engagement portion, wherein at least one of the belt-like bases comprises:
- a main body on which the engagement portion is provided;
- a first projecting portion provided to the main body near an opening of the packaging bag, the first projecting portion being thicker than the main body;
- a thin portion provided to the first projecting portion near the opening, the thin portion being thinner than the first projecting portion and the main body;
- a second projecting portion provided to the thin portion near the opening, the second projecting portion being thicker than the thin portion and the main body;
- and
- a rib provided on at least one surface of the thin portion.
6 more elements
Dependencies are inferred from the claim text.