US 12,240,650 B2
Container preform with stepped interior finish
Jay Clarke Hanan, Glendora, CA (US)
Assigned to Niagara Bottling, LLC, Diamond Bar, CA (US)
Filed by Niagara Bottling, LLC, Diamond Bar, CA (US)
Filed on Aug. 25, 2023, as Appl. No. 18/456,404.
Application 18/456,404 is a continuation of application No. 16/986,825, filed on Aug. 6, 2020, granted, now 11,738,902.
Claims priority of provisional application 62/884,566, filed on Aug. 8, 2019.
Prior Publication US 2024/0025592 A1, Jan. 25, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. B65D 1/02 (2006.01); B29B 11/08 (2006.01); B29K 67/00 (2006.01)
CPC B65D 1/0246 (2013.01) [B29B 11/08 (2013.01); B29C 2949/0731 (2022.05); B29C 2949/0773 (2022.05); B29C 2949/0777 (2022.05); B29C 2949/20 (2022.05); B29K 2067/003 (2013.01); B29K 2995/0018 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A finish portion of a preform for rotatably engaging with a closure to seal pressurized contents within an interior of a container formed from the preform, the finish portion comprising:
a cylindrical body that begins at an opening to the interior, the cylindrical body having a base surface, threads extending from the base surface, a tamper evidence ledge, and a handling surface disposed between the threads and the tamper evidence ledge; and
a stepped interior comprising a graduated narrowing of the cylindrical body between the base surface and the handling surface.