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US 12,162,203 B2Granted
Container and method of manufacture
AssigneeRing Container Technologies, LLC
InventorsPaul Vincent Kelley, Michael Green, Douglas Miles Dygert, Daniel M. Futral
Life of this patent
Estimating the term…
Abstract
A method for manufacturing a container includes injecting a first material into a first mold to form a top portion of a preform. The first material and a second material are injected into the first mold to form a bottom portion of the preform. The preform is disposed in a second mold. The preform is blow molded into a finished container.
Claims19
A method for manufacturing containers, the method comprising the steps of:
- injecting a first material into a first mold to form a top portion of a first preform;
- injecting the first material and a second material into the first mold to form a bottom portion of the first preform;
- disposing the first preform in a second mold;
- blow molding the first preform into a first intermediate article;
- removing a top portion of the first intermediate article to produce a first finished container, the top portion of the first intermediate article including post-consumer material, the post-consumer material comprising the first material;
- injecting the post-consumer material into a second preform,
- disposing the second preform in a mold,
- blow molding the second preform into a second intermediate article, and
- processing the second intermediate article to produce a second finished container.
6 more elements
A method for manufacturing containers, the method comprising the steps of:
- injecting a first material into a first mold to form a top portion of a first preform;
- injecting the first material and a second material into the first mold to form a bottom portion of the first preform;
- disposing the first preform in a second mold;
- blow molding the first preform into a first intermediate article;
- removing a top portion of the first intermediate article to produce a first finished container, the top portion of the first intermediate article including post-consumer material, the post-consumer material comprising the first material;
- injecting the post-consumer material into a second preform,
- disposing the second preform in a mold,
- blow molding the second preform into a second intermediate article, and
- processing the second intermediate article to produce a second finished container,
- wherein the top portion of the first intermediate article comprises only the first material and the bottom portion comprises an inner portion, an intermediate portion and an outer portion,
- wherein the intermediate portion comprises the second material, the inner portion and the outer portion being free of the second material,
- wherein the first material is polyethylene terephthalate and the second material comprises an oxygen scavenger, and
- wherein the second material comprises 0.01 wt. % to 0.1 wt. % of the first finished container.
10 more elements
Dependencies are inferred from the claim text.