US 12,434,422 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 Sep. 26, 2022, as Appl. No. 17/952,528.
Application 17/952,528 is a continuation of application No. 17/088,896, filed on Nov. 4, 2020, granted, now 11,607,833.
Claims priority of provisional application 62/930,220, filed on Nov. 4, 2019.
Prior Publication US 2023/0013327 A1, Jan. 19, 2023
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)] 21 Claims
OG exemplary drawing
 
1. A preform for forming a finished container, the preform comprising:
an inner wall defining a volume configured to be filled with a product;
an outer wall being in contact with atmosphere;
a top section having only one layer; and
a bottom section comprising an outer layer, an intermediate layer and an inner layer, the intermediate layer comprising an additive, the additive comprising an oxygen scavenger, the oxygen scavenger comprising polytetramethylene ether glycol,
wherein the intermediate layer is biased towards a central axis of the preform from 10%-30% from the inner wall, and
wherein the intermediate layer is 5% to 50% closer to the inner wall than the outer wall.