Container preform with stepped interior finish
AssigneeNiagara Bottling, LLC
InventorJay Clarke Hanan
Life of this patent
Estimating the term…
Abstract
A finish portion of a preform for rotatably engaging with a closure to seal pressurized contents within an interior of a container formed from the preform. The finish portion includes a cylindrical body that begins at an opening to the interior. The cylindrical body has a base surface, threads extending from the base surface, a tamper evidence ledge, and a handling surface disposed between the threads and the tamper evidence ledge. A stepped interior includes a graduated narrowing of the cylindrical body between the base surface and the handling surface.
Claims20
A finish portion of a preform for rotatably engaging with a closure to seal pressurized contents within an interior of a container formed from the preform, the finish portion comprising:
- a cylindrical body that begins at an opening to the interior, the cylindrical body having a base surface, threads extending from the base surface, a tamper evidence ledge, and a handling surface disposed between the threads and the tamper evidence ledge;
- and
- a stepped interior comprising a graduated narrowing of the cylindrical body between the base surface and the handling surface.
A finish portion of a preform for rotatably engaging with a closure to seal pressurized contents within an interior of a container formed from the preform, the finish portion comprising:
- a cylindrical body that begins at an opening to the interior, the cylindrical body having a base surface, threads extending from the base surface, and a handling surface configured to receive equipment to form the preform into the container;
- and
- a stepped interior having a first sealing surface adjacent the base surface, a second sealing surface adjacent the handling surface, and a transition surface between the first and second sealing surfaces.
A finish portion of a preform for rotatably engaging with a closure to seal pressurized contents within an interior of a container formed from the preform, the finish portion comprising:
- a cylindrical body that begins at an opening to the interior, the cylindrical body having a base surface, threads extending from the base surface, and a handling surface configured to receive equipment to form the preform into the container;
- and
- a stepped interior comprising a graduated narrowing of the cylindrical body between the base surface and the handling surface,
- wherein the base surface has a first thickness and the handling surface has a second thickness that is greater than the first thickness.
Dependencies are inferred from the claim text.