Lightweight plastic container and preform
AssigneePlastipak Packaging, Inc.
InventorsRichard C. Darr, Edward V. Morgan
Life of this patent
Estimating the term…
Abstract
A plastic preform is provided that includes a closed bottom portion; a lower portion extending upwardly from the bottom portion; and a neck portion extending upwardly from the lower portion. The neck portion includes a support flange having an upper and lower surface, threads, a tamper-evident formation, and a dispensing opening at the top of the neck portion. In an embodiment, the weight of the neck portion is 3.0 grams or less; and the vertical distance from the top of the dispensing opening to the lower surface of the support flange, including the threads and the tamper-evident formation, is 0.580 inches or less. A container and method for making a container are also disclosed.
Claims30
A plastic preform for making a blow molded container, comprising:
- a closed bottom portion;
- a lower portion extending upwardly from the bottom portion;
- and
- a neck portion extending upwardly from the lower portion, the neck portion including a support flange having an upper and lower surface;
- threads;
- a tamper-evident formation;
- and a dispensing opening at an upper end of the neck portion, the dispensing opening having a top;
- wherein a weight of the neck portion is 3.0 grams or less;
- and a vertical distance from the top of the dispensing opening to the lower surface of the support flange, including the threads and the tamper-evident formation, is 0.58 inches or less.
A plastic preform for making a blow molded container, comprising:
- a closed bottom portion;
- a lower portion extending upwardly from the bottom portion;
- and
- a neck portion extending upwardly from the lower portion, the neck portion including a support flange having an upper and lower surface;
- threads;
- a tamper-evident formation;
- and a dispensing opening at an upper end of the neck portion, the dispensing opening having a top;
- wherein the preform is comprised of polyethylene terephthalate (PET);
- a weight of the neck portion is 3.0 grams or less;
- an outside diameter of the support flange is greater than 22 mm and less than or equal to 39.2 mm;
- and a vertical distance from the top of the dispensing opening to the lower surface of the support flange, including the threads and the tamper-evident formation, is 0.58 inches or less.
A plastic preform for making a blow molded container, comprising:
- a closed bottom portion;
- a lower portion extending upwardly from the bottom portion;
- and
- a neck portion extending upwardly from the lower portion, the neck portion including a support flange having an upper and lower surface;
- threads;
- a tamper-evident formation;
- and a dispensing opening at an upper end of the neck portion, the dispensing opening having a top;
- wherein the preform is comprised of polyethylene terephthalate (PET);
- the threads comprise multiple-lead threads;
- a combined weight of the neck portion, the lower portion, and the bottom portion is 11 grams or less;
- a weight of the neck portion is 3.0 grams or less;
- and a vertical distance from the top of the dispensing opening to the lower surface of the support flange, including the threads and the tamper-evident formation, is 0.58 inches or less.
Dependencies are inferred from the claim text.