Oxygen resistant canister
View Patent ↗A paper or other fibrous container is capable of maintaining a consistent gas level after sealing, as well as having sufficient stiffness to carry liquids and other heavy materials as well as light weigh materials such as medication and supplements. Preferred embodiments include a fibrous outer sleeve having an inwardly directed curled edge, a first metal sleeve positioned inward of the fibrous outer sleeve, and a bottom piece having a top metal layer. The bottom piece is preferably disposed intermediate the inwardly directed curled edge and the first metal sleeve. A first adhesive is preferably disposed intermediate the bottom piece and the first metal sleeve, and a second adhesive is preferably disposed intermediate the bottom piece and the inwardly directed curled edge.
1. A container, comprising:
a fibrous outer sleeve, having an inwardly directed curled edge at a bottom end
a side wall positioned inward of the fibrous outer sleeve, comprising:
a first metal sleeve positioned inward of the fibrous outer sleeve;
a fibrous inner sleeve positioned directly inward of the first metal sleeve; and
a second metal sleeve positioned directly inward of the fibrous inner sleeve;
a bottom piece disposed intermediate the inwardly directed curled edge and the first metal sleeve wherein the bottom piece comprises a laminate having a metal layer and a fibrous layer; and
a first adhesive disposed intermediate the bottom piece and the first metal sleeve.
2. The container of claim 1 , wherein the metal layer of the laminate is a top layer, the fibrous layer is a middle layer, and a second metal layer is a bottom layer.
3. The container of claim 1 , further comprising an induction liner, and a third adhesive positioned to sealingly couple the induction liner to the inwardly curled top of the side wall.
4. The container of claim 1 , wherein the fibrous outer sleeve is vertically shorter than the first metal sleeve.
5. The container of claim 1 , wherein the second metal sleeve is not completely coated with a plastic.
6. The container of claim 1 , wherein the first adhesive sealingly couples the bottom piece and the second metal and the fibrous inner sleeves.
7. The container of claim 1 , wherein the first adhesive sealingly couples the bottom piece and the first metal sleeve.
8. The container of claim 1 , wherein the fibrous outer sleeve is not completely coated with a plastic.
9. The container of claim 1 , wherein the first metal sleeve is not completely coated with a plastic.
10. The container of claim 1 , further comprising a second adhesive disposed intermediate the bottom piece and the inwardly directed curled edge.
11. The container of claim 1 , wherein the side wall has an inward curl at a top end.
12. The container of claim 10 , wherein the second adhesive sealingly couples the bottom piece and the inwardly directed curled edge.
13. The container of claim 10 , wherein the first and second adhesives are each water soluble.