US 12,441,045 B2
Container and method of manufacture
Paul Vincent Kelley, Arlington, TN (US); Michael Green, Somerville, TN (US); Douglas Miles Dygert, Olive Branch, MS (US); and Daniel M. Futral, Somerville, TN (US)
Assigned to Ring Container Technologies, LLC, Oakland, TN (US)
Filed by RING CONTAINER TECHNOLOGIES, LLC, Oakland, TN (US)
Filed on Aug. 23, 2023, as Appl. No. 18/454,358.
Application 18/454,358 is a continuation in part of application No. 17/952,530, filed on Sep. 26, 2022, granted, now 12,162,203.
Application 17/952,530 is a continuation of application No. 17/088,896, filed on Nov. 4, 2020, granted, now 11,607,833, issued on Mar. 21, 2023.
Claims priority of provisional application 62/930,220, filed on Nov. 4, 2019.
Prior Publication US 2023/0390988 A1, Dec. 7, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B29C 49/06 (2006.01); B29C 49/00 (2006.01); B29C 49/42 (2006.01); B65D 1/02 (2006.01); B29K 67/00 (2006.01); B29L 31/00 (2006.01)
CPC B29C 49/06 (2013.01) [B29C 49/0005 (2013.01); B29C 49/071 (2022.05); B29C 49/4273 (2013.01); B65D 1/0215 (2013.01); B65D 1/0276 (2013.01); B29C 2949/0761 (2022.05); B29C 2949/08 (2022.05); B29C 2949/3032 (2022.05); B29C 2949/3034 (2022.05); B29K 2067/003 (2013.01); B29L 2031/7158 (2013.01)] 26 Claims
OG exemplary drawing
 
1. 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.