US 2025/0058953 A1 · SHIPPING MAILER WITH CORRUGATED MATERIAL HAVING ADHERED AND NON-ADHERED ZONES

Abstract

A shipping mailer has a one-piece body with a first wall and a second wall that are folded together and sealed along sealed side edge portions of the one-piece body, the shipping mailer having a closed first end portion and a second end portion with an opening sealable by a closure. The one-piece body includes a single face corrugated material with a liner layer and a fluted medium layer, and has a center fold line at the closed first end portion from which the first and second walls extend. The fluted medium layer has a plurality of flutes extending parallel to the center fold line, and flutes of the first wall nest with flutes of the second wall. The flutes are crushed in the sealed side edge portions such that the crushed flutes interlock, and the first and second walls fold along inner boundaries of the sealed side edge portions.

Claims25

Dependent claims

A shipping mailer, comprising:

a one-piece body comprising a first wall and a second wall that are folded together and sealed along sealed side edge portions of the one-piece body, the first and second walls at least partially defining an interior of the shipping mailer, the shipping mailer comprising a closed first end portion and a second end portion comprising an opening sealable by a closure;
the one-piece body comprising a single face corrugated material comprising a liner layer and a fluted medium layer;
the one-piece body comprising a center fold line at the closed first end portion from which the first and second walls extend;
the fluted medium layer comprising a plurality of flutes extending parallel or substantially parallel to the center fold line, wherein flutes of the first wall nest with flutes of the second wall;
and
wherein the flutes are crushed in the sealed side edge portions such that the crushed flutes interlock in the sealed side edge portions, and the first and second walls fold along inner boundaries of the sealed side edge portions.

3 more elements

A shipping mailer, comprising:

a one-piece body comprising a first wall and a second wall that are folded together and sealed along sealed side edge portions of the one-piece body, the first and second walls at least partially defining an interior of the shipping mailer, the shipping mailer comprising a closed first end portion and a second end portion comprising an opening sealable by a closure;
wherein the one-piece body comprises a single face corrugated material comprising a liner layer and a fluted medium layer;
and
wherein the fluted medium layer comprises a plurality of first zones extending along the first wall and the second wall, the plurality of first zones comprising adhesive such that the liner layer and the fluted medium layer are adhered to each other in the plurality of first zones;
and
wherein the fluted medium layer further comprises a second zone that is adhesive-free such that the liner layer and the fluted medium layer can move relative to each other in the adhesive-free second zone, the adhesive-free second zone being offset inwardly from the side edge portions of the one-piece body.

3 more elements

Dependencies are inferred from the claim text.

Shipping mailer with corrugated material having adhered and non-adhered zones

Life of this patent

Shipping mailer with corrugated material having adhered and non-adhered zones

Life of this patent

Abstract

Claims25