Container finish portion with polished buffer zone
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 contents within an interior of a container includes a body that begins at an opening to the interior, a sealing surface adjacent to the opening and including a first polished buffer zone configured to cooperate with a plug seal, and a transition surface extending from the sealing surface to a narrower handling surface. The first buffer zone is polished by way of a machine polishing technique.
Claims20
A finish portion of a preform for rotatably engaging with a closure to seal contents within an interior of a container formed from the preform, the finish portion comprising:
- a body that begins at an opening to the interior;
- a sealing surface adjacent to the opening and including a first polished buffer zone configured to cooperate with a plug seal;
- and
- a transition surface extending from the sealing surface to a narrower handling surface,
- wherein the first buffer zone is polished by way of a machine polishing technique.
A finish portion of a preform for rotatably engaging with a closure to seal contents within an interior of a container formed from the preform, the finish portion comprising:
- a body that begins at an opening to the interior;
- a sealing surface adjacent to the opening and including a first polished buffer zone configured to cooperate with a plug seal;
- and
- a transition surface extending from the sealing surface to a narrower handling surface,
- wherein the first buffer zone is polished by way of a hand polishing technique.
Dependencies are inferred from the claim text.