Lightweight plastic container and preform
DC CAFCFirst Claim
1. A plastic preform, comprising:
- a hollow body portion including;
a closed bottom portion; and
a lower portion extending upwardly from the bottom portion; and
a neck portion extending upwardly from the lower portion, the neck portion including;
a dispensing opening positioned at a top of the neck portion;
threads positioned below the dispensing opening;
a tamper-evident formation positioned below the threads; and
a support flange positioned below the tamper-evident formation, the support flange having an upper surface and a lower surface;
wherein the preform is formed of a material comprising polyethylene terephthalate (PET);
a weight of the neck portion from the lower surface of the support flange to a top of the dispensing opening is 2.3 grams or less; and
a vertical distance from the top of the dispensing opening to the lower surface of the support flange is 0.500 inches or less.
1 Assignment
Litigations
1 Petition
Accused Products
Abstract
A plastic preform is provided that includes a hollow body portion including 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, a tamper-evident formation, threads, and a dispensing opening positioned at a top of the neck portion. In an embodiment, the weight of the neck portion is 2.3 grams or less; and/or 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 0.500 inches or less. Containers and methods for molding preforms and making containers are also disclosed.
100 Citations
30 Claims
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1. A plastic preform, comprising:
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a hollow body portion including; a closed bottom portion; and a lower portion extending upwardly from the bottom portion; and a neck portion extending upwardly from the lower portion, the neck portion including; a dispensing opening positioned at a top of the neck portion; threads positioned below the dispensing opening; a tamper-evident formation positioned below the threads; and a support flange positioned below the tamper-evident formation, the support flange having an upper surface and a lower surface; wherein the preform is formed of a material comprising polyethylene terephthalate (PET);
a weight of the neck portion from the lower surface of the support flange to a top of the dispensing opening is 2.3 grams or less; and
a vertical distance from the top of the dispensing opening to the lower surface of the support flange is 0.500 inches or less. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method, comprising:
injection molding a plastic preform having a hollow body portion and a neck portion, the neck portion including; a dispensing opening positioned at a top of the neck portion; threads positioned below the dispensing opening; a tamper-evident formation positioned below the threads; and a support flange positioned below the tamper-evident formation, the support flange having an upper and lower surface; wherein the preform is formed of a material comprising polyethylene terephthalate (PET);
a weight of the neck portion from the lower surface of the support flange to a top of the dispensing opening is 2.3 grams or less; and
a vertical distance from the top of the dispensing opening to the lower surface of the support flange is 0.450 inches or less.- View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27)
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28. A plastic preform, comprising:
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a hollow body portion including; a closed bottom portion; and a lower portion extending upwardly from the bottom portion; and a neck portion extending upwardly from the lower portion, the neck portion including; a dispensing opening positioned at a top of the neck portion; threads positioned below the dispensing opening; a tamper-evident formation positioned below the threads; and a support flange positioned below the tamper-evident formation, the support flange having an upper surface and a lower surface; wherein the preform is formed of a material comprising polyethylene terephthalate (PET);
the threads comprise multiple-lead threads;
a weight of the neck portion from the lower surface of the support flange to a top of the dispensing opening is 2.3 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 a lower surface of the tamper-evident formation to a top of the dispensing opening is 0.30 inches or less.
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29. A plastic preform, comprising:
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a hollow body portion including; a closed bottom portion; and a lower portion extending upwardly from the bottom portion; and a neck portion extending upwardly from the lower portion, the neck portion including; a dispensing opening positioned at a top of the neck portion; threads positioned below the dispensing opening; a tamper-evident formation positioned below the threads; and a support flange positioned below the tamper-evident formation, the support flange having an upper surface and a lower surface; wherein the preform is formed of a material comprising polyethylene terephthalate (PET);
a weight of the neck portion from the lower surface of the support flange to a top of the dispensing opening is 2.3 grams or less;
a combined weight of the neck portion, the closed bottom portion, and the lower portion is 11 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 0.500 inches or less. - View Dependent Claims (30)
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Specification