US 12,472,714 B2
Pressure dome cap
Jay Clarke Hanan, West Sacramento, CA (US); and Rachel Hess, West Sacramento, CA (US)
Assigned to Origin Materials Operating, Inc., West Sacramento, CA (US)
Filed by Origin Materials Operating, Inc., West Sacramento, CA (US)
Filed on Feb. 24, 2025, as Appl. No. 19/061,581.
Application 19/061,581 is a continuation of application No. 18/665,442, filed on May 15, 2024.
Application 18/665,442 is a continuation of application No. PCT/US2023/066008, filed on Apr. 20, 2023.
Claims priority of provisional application 63/340,862, filed on May 11, 2022.
Claims priority of provisional application 63/333,055, filed on Apr. 20, 2022.
Prior Publication US 2025/0187284 A1, Jun. 12, 2025
Int. Cl. B29D 99/00 (2010.01); B29C 45/00 (2006.01); B29C 45/26 (2006.01); B29C 51/00 (2006.01); B29C 51/10 (2006.01); B29K 23/00 (2006.01); B29K 67/00 (2006.01); B29K 105/00 (2006.01); B29L 1/00 (2006.01); B29L 31/56 (2006.01); B65D 41/04 (2006.01); B65D 41/34 (2006.01)
CPC B29D 99/0096 (2013.01) [B29C 45/0001 (2013.01); B29C 45/0053 (2013.01); B29C 45/26 (2013.01); B29C 51/002 (2013.01); B29C 51/10 (2013.01); B29K 2023/08 (2013.01); B29K 2067/003 (2013.01); B29K 2105/0002 (2013.01); B29K 2105/0085 (2013.01); B29K 2905/02 (2013.01); B29K 2995/0041 (2013.01); B29L 2001/00 (2013.01); B29L 2031/565 (2013.01); B65D 41/0414 (2013.01); B65D 41/3447 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A polyester resin closure that comprises:
(a) a plug seal configured to seal against an inner surface of a finish of a container when the polyester resin closure is mounted onto the finish of the container, the plug seal including,
(i) an annular wall configured to seat against a top surface of a rim of the finish,
(ii) an outer cylindrical wall extending downward from a first edge of the annular wall, wherein the outer cylindrical wall comprises internal threads or a lip configured to engage with the finish,
(iii) an inner cylindrical wall that extends downwardly from a second edge of the annular wall; and
(b) a lower wall that extends from the inner cylindrical wall, the lower wall extending across a diameter of the inner cylindrical wall, the lower wall having a concave upward shape that is configured to change shape in response to pressurized contents within an interior of the container; and
wherein the polyester resin comprises polyethylene terephthalate, polyethylene furandicarboxylate, or a copolymer of polyethylene terephthalate and polyethylene furandicarboxylate.