Synthetic resin preform and container containing contents
AssigneeYoshino Kogyosho Co., Ltd.
InventorYuichi OKUYAMA
Life of this patent
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Abstract
A synthetic resin preform has a cylindrical mouth portion provided with a male thread on an outer peripheral surface, a cylindrical body portion continuous with the mouth portion and a bottom portion configured to close a lower end of the body portion, the preform being formed into a container of a predetermined shape by blow molding, the synthetic resin preform further including, between the mouth portion and the body portion, a holding surface continuous with the outer peripheral surface of the mouth portion and extending radially inward relative to the outer peripheral surface. Also, a container contains contents having a container filled with contents and configured to close the mouth portion with a cap, the container being formed by blow molding the preform.
Claims9
A synthetic resin preform, comprising a cylindrical mouth portion provided with a male thread on an outer peripheral surface, a cylindrical body portion continuous with the mouth portion, and a bottom portion configured to close a lower end of the body portion, and formed into a container of a predetermined shape by blow molding, wherein
- the synthetic resin preform further comprising, between the mouth portion and the body portion, a holding surface continuous with an outer peripheral surface of the mouth portion and extending radially inward relative to the outer peripheral surface.
A container containing contents, comprising:
- a synthetic resin container, having:
- a cylindrical mouth portion provided with a male thread on an outer peripheral surface;
- a container body portion continuous with the mouth portion and containing contents;
- and
- a holding surface provided between the mouth portion and the container body portion, continuous with the outer peripheral surface of the mouth portion and extending radially inward relative to the outer peripheral surface;
- a cylindrical outer cover including a locking groove in an outer peripheral surface and a female thread on an inner peripheral surface and fixed to the mouth portion with the female thread screwed with the male thread;
- and
- a cap provided with an engagement piece engaging with the locking groove in an undercut manner, the cap being attached to outside of the outer cover to close the mouth portion.
Dependencies are inferred from the claim text.