Lightweight plastic container and preform
AssigneePlastipak Packaging, Inc.
InventorsRichard C. Darr, Edward V. Morgan
Life of this patent
Estimating the term…
Abstract
A plastic container is provided that includes a hollow body portion including a lower supporting base portion; a sidewall portion extending upwardly from the base portion; and a neck portion extending upwardly from the sidewall portion. The neck portion includes a support flange having an upper and lower surface, a tamper-evident formation, and a dispensing opening at the top of the neck portion. In an embodiment, the dispensing opening has an inner diameter that is at least 22 mm, and the vertical distance from the top of the dispensing opening to the lower surface of the support flange is 0.580 inches or less. A preform and method for making a container are also disclosed.
Claims34
A plastic preform for making a blow molded container, comprising:
- a closed bottom portion;
- a lower portion extending upwardly from the bottom portion;
- a neck portion extending upwardly from the lower portion;
- the neck portion including a support flange having an upper and lower surface;
- a tamper-evident formation, and a dispensing opening at the top of the neck portion, the dispensing opening having an inner diameter that is at least 22 mm;
- wherein the vertical distance from the dispensing opening to the lower surface of the support flange, including threads and the tamper-evident formation, is 0.580 inches or less.
A method for making a container:
- providing a preform having a dispensing opening, a tamper-evident formation, a support flange with a lower surface, and a lower portion below the support flange;
- wherein the vertical distance from the dispensing opening to the lower surface of the support flange, including threads and the tamper-evident formation, is 0.580 inches or less, and the lower portion has an initial axial length;
- and
- forming a container.
Dependencies are inferred from the claim text.