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US 2025/0018675 A1Published application
Polyester resin closures for containers
AssigneeOrigin Materials Operating, Inc.
InventorsJay Clarke Hanan, Rachel Hess
Life of this patent
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Abstract
Thermoformed polyester resin closures for closing containers, the polyester resins including polyethylene terephthalate (“PET”), polyethylene furandicarboxylate (“PEF”), or a copolymer including PET and PEF, are provided herein. Methods of making the thermoformed closures are further provided. Methods of sterilizing the thermoformed closures are further provided.
Claims23
A polyester resin closure that mounts onto a finish of a container;
- the polyester resin closure comprising:
- (a) a plug seal configured to seal against an inner surface of the finish;
- (b) an annular wall configured to seat against a top surface of a rim of the finish;
- (c) an outer cylindrical wall extending downward from the annular wall, wherein the outer cylindrical wall comprises:
- (i) a plurality of threaded portions that each begin at a corresponding thread start;
- and
- (ii) a plurality of knurled portions distributed circumferentially around the outer cylindrical wall.
4 more elements
Dependencies are inferred from the claim text.