Barrier cap
AssigneeYoshino Kogyosho Co., Ltd.
InventorManabu Yamamoto
Life of this patent
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Abstract
A barrier cap including a cap main body configured to be fitted onto a mouth of a container main body and an upper lid configured to be fitted onto the cap main body, the barrier cap being configured to be openable, wherein the cap main body includes a base layer and a barrier layer provided as an intermediate layer in the base layer, the base layer including a base resin, and the barrier layer containing a barrier resin, and the barrier layer includes a blend of the base resin and the barrier resin.
Claims1
A barrier cap comprising a cap main body configured to be fitted onto a mouth of a container main body and an upper lid configured to be fitted onto the cap main body, the barrier cap being configured to be openable, wherein
- the cap main body includes a base layer and a barrier layer provided as an intermediate layer in the base layer, the base layer comprising a base resin, and the barrier layer containing a barrier resin,
- the barrier layer comprises a blend of the base resin and the barrier resin, and
- the cap main body includes a fitting portion including an outer peripheral wall portion and an inner tube and configured to be fitted onto the container main body, a dispensing tube provided to stand on an inner side of the fitting portion, and a partition wall provided in the dispensing tube and including a removable portion defined by a reduced-thickness weakened portion,
- the barrier layer is provided at least in (i) the outer peripheral wall portion, (ii) the inner tube, (iii) the reduced-thickness weakened portion and (iv) the removable portion, and,
- the barrier layer extends into the dispensing tube.
Dependencies are inferred from the claim text.