IP Library Granted Patent US 11,377,258
Granted Patent B2
US 11,377,258 · App. 16/723,049 · Granted Jul 5, 2022

Container end closure liner and methods of preparing the same

Inventors: Ian Mussen Campbell (Göttingen, DE); Sebastijan Jurendic (Göttingen, DE)
Assignee: Novelis Inc.
B65D23/02B32B37/06B65D1/0215B65D17/02B65D17/401B32B2439/40
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Quick Facts
Patent No.
US 11,377,258
App. No.
16/723,049
Granted
Jul 5, 2022
Kind
B2
Abstract

An improved metal or glass container is described. The metal or glass container includes a body portion and an end closure. The end closure includes a laminated polymer film attached to the product facing side of the end closure. When the container is sealed, the laminated polymer film attached to the product facing side of the end closure forms a liner.

Claims (42)

1. A container, comprising:

a body comprising a sealable opening, a product facing body side, and a consumer facing body side; and

an end closure comprising a product facing closure side and a consumer facing closure side,

wherein the sealable opening is configured to receive the end closure,

wherein the product facing closure side comprises a laminated film,

wherein the consumer facing closure side is:

1) an aluminum end stock, or

2) an aluminum end stock coated with a conversion layer comprising titanium,

zirconium, compounds of trivalent chromium (Cr(III)) and phosphates, and combinations thereof, and

wherein the laminated film on the product facing closure side contacts the product facing body side providing an end closure liner; and

wherein the container is a metal container comprising aluminum, an aluminum alloy, magnesium, a magnesium-based material, titanium, a titanium-based material,

copper, a copper-based material, steel, a steel-based material, bronze, a bronze-based material, brass, a brass-based material, or any combination thereof.

2. The container of claim 1 , wherein the container is a beverage can, a bottle, a food storage can, an aerosol can, or a chemical storage can.

3. The container of claim 1 , wherein the body is a spray on liner, a laminated liner, a chemical vapor deposited liner, a physical vapor deposited liner, an applicator applied liner, or any combination thereof.

4. The container of claim 1 , wherein the end closure is an easy open closure, a peel off closure, a beverage closure, a penny lever closure, a sanitary closure, an aerosol valve cap closure, a ring pull closure, a resealable closure, a bottle rolled-on pilfer proof closure, or any combination thereof.

5. The container of claim 1 , wherein the end closure is configured to engage the sealable opening.

6. The container of claim 1 , wherein the laminated film comprises a natural polymer, a synthetic polymer, or any combination thereof.

7. The container of claim 1 , wherein the end closure liner is up to 500 microns thick.

8. The container of claim 7 , wherein the end closure liner is from 6 microns thick to 40 microns thick.

9. The container of claim 7 , wherein the end closure liner is from 8 microns thick to 15 microns thick.

10. The container of claim 1 , wherein the end closure liner is resistant to materials having a pH of from 1 to 14.

11. The container of claim 1 , wherein the container provides a product shelf life of up to four years.

12. A method for preparing a container having an end closure liner, comprising:

providing a body comprising a sealable opening, a product facing body side, and a consumer facing body side;

providing an end closure stock, wherein the end closure stock comprises a product facing closure side, and a consumer facing closure side;

laminating the product facing closure side of the end closure stock with a polymer film;

forming an end closure from the end closure stock; and

sealing the body with the end closure to provide a sealed container,

wherein the consumer facing closure side is:

1) an aluminum end stock, or

2) an aluminum end stock coated with a conversion layer comprising titanium,

zirconium, compounds of trivalent chromium (Cr(III)) and phosphates, and combinations thereof.

13. The method of claim 12 , wherein the polymer film comprises a polyester film.

14. The method of claim 13 , wherein the polyester film comprises a polyethylene terephthalate (PET) film.

15. The method of claim 12 , wherein laminating the product facing closure side of the end closure stock with the polymer film comprises:

heating the polymer film to a temperature of at least 200° C.;

contacting the product facing closure side of the end closure stock with the polymer film; and

maintaining the polymer film at the temperature of at least 200° C. for 1 second to 30 seconds.

16. The method of claim 12 , wherein forming the end closure from the end closure stock comprises forming an easy open closure, a peel off closure, a beverage closure, a penny lever closure, a sanitary closure, an aerosol valve cap closure, a ring pull closure, a resealable closure, a bottle rolled-on pilfer proof closure, or any combination thereof.

17. The method of claim 12 , wherein sealing the body with the end closure comprises contacting the polymer film with the body.

18. The method of claim 17 , wherein contacting the polymer film with the body provides an air-tight closure.

19. The method of claim 12 , further comprising annealing the sealed container, wherein annealing the sealed container comprises raising a temperature of the polymer film for a duration sufficient to melt the polymer film into a surface texture of the sealed container.

Assignments (3)
SECURITY INTEREST Recorded Mar 12, 2025
From: NOVELIS INC.; NOVELIS DEUTSCHLAND GMBH; NOVELIS KOBLENZ GMBH
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 070495/0110 →
SECURITY INTEREST Recorded Mar 11, 2025
From: NOVELIS DEUTSCHLAND GMBH; NOVELIS INC.; NOVELIS KOBLENZ GMBH
To: CITIBANK, N.A.
Reel/Frame 070481/0417 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 9, 2020
From: CAMPBELL, IAN MUSSEN; JURENDIC, SEBASTIJAN
To: NOVELIS INC.
Reel/Frame 051471/0159 →