Preform extended finish for processing light weight ecologically beneficial bottles
AssigneeNiagara Bottling, LLC
InventorJay Clarke Hanan
Life of this patent
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Abstract
A plastic preform apparatus is disclosed that is suitable for forming a bottle. The plastic preform apparatus features a neck portion adapted to engage a closure and includes a support ring at its lowermost point. The neck portion features a first wall thickness, and an elongated body portion including a cylindrical wall portion and an end cap. An upper segment of the body portion adjacent to the support ring features a second wall thickness substantially similar to the first wall thickness and less than a third wall thickness in a lower segment of the body portion.
Claims7
A plastic preform formed monolithically, suitable for forming a bottle, the preform comprising:
- a neck portion adapted to engage a closure and including a plurality of threads, the neck portion having a neck wall thickness and a neck inner diameter;
- and
- an elongated body portion including a cylindrical wall portion and an end cap, wherein
- a first upper segment of the elongated body portion has an inner diameter equal to the neck inner diameter and a wall thickness equal to the neck wall thickness,
- a second upper segment of the body portion disposed adjacently below the first upper segment extends farther along the elongated body than the first upper segment, and
- a third segment of the body portion disposed adjacently below the second upper segment of the body portion has a wall thickness greater than the neck wall thickness and an inner diameter smaller than the neck inner diameter, and
- wherein the first upper segment wall thickness is about 0.2 mm to about 0.9 mm.
Dependencies are inferred from the claim text.