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US 12,441,045 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.
Claims26
A method for manufacturing a container, the method comprising:
- injecting a first material into a first mold to form a top portion of a preform, the first material comprising polyethylene terephthalate that is made with a metallic catalyst;
- and
- injecting the first material and a second material into the first mold to form a bottom portion of the preform, the second material comprising a resin, a catalyst and an oxygen scavenger,
- wherein the top portion comprises only the first material and the bottom portion comprises an inner portion, an intermediate portion and an outer portion, the inner portion and the outer portion comprising the first material, the intermediate portion comprising the second material.
1 more element
A method for manufacturing a container, the method comprising:
- injecting a first material into a first mold to form a top portion of a preform, the first material comprising a phosphorous stabilizer and polyethylene terephthalate that is made with a metallic catalyst, the metallic catalyst comprising antimony trioxide and being present in the first material at a concentration of 250-290 parts per million antimony, the first material being free of titanium;
- and
- injecting the first material and a second material into the first mold to form a bottom portion of the preform, the second material comprising a resin, a catalyst and an oxygen scavenger, the resin comprising a polyester copolymer resin, the catalyst comprising a cobalt catalyst, the oxygen scavenger comprising an oxidizable co-polyester barrier,
- wherein the top portion comprises only the first material and the bottom portion comprises an inner portion, an intermediate portion and an outer portion, the inner portion and the outer portion comprising the first material, the intermediate portion comprising the second material.
1 more element
A method for manufacturing a container, the method comprising:
- injecting a first material into a first mold to form a top portion of a preform, the first material comprising a phosphorous stabilizer and polyethylene terephthalate that is made with a metallic catalyst, the metallic catalyst comprising antimony triacetate and being present in the first material at a concentration of 150-350 parts per million antimony, the first material being free of titanium;
- and
- injecting the first material and a second material into the first mold to form a bottom portion of the preform, the second material comprising a resin, a catalyst and an oxygen scavenger, the resin comprising a polyester copolymer resin, the catalyst comprising a cobalt catalyst, the oxygen scavenger comprising an oxidizable co-polyester barrier,
- wherein the top portion comprises only the first material and the bottom portion comprises an inner portion, an intermediate portion and an outer portion, the inner portion and the outer portion comprising the first material, the intermediate portion comprising the second material.
1 more element
Dependencies are inferred from the claim text.