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US 2024/0375824 A1Published application
Envelopes with flood-coated bonding element
AssigneePregis Innovative Packaging LLC
InventorThomas D. Wetsch
Life of this patent
Estimating the term…
Abstract
Envelopes have a bonding element, such as an adhesive material, applied to a majority of the interior surface of at least one wall of the container, so that seals defining dimensions of the containers can be formed from the bonding element at any desired position along the height or length of a web from which the container is formed.
Claims24
An envelope for holding an item, comprising:
- a first flexible wall;
- a second flexible wall overlying the first flexible wall and affixed to the first flexible wall about at least a portion of a pocket border, which pocket border encloses a pocket defined at least in part by the first and second flexible walls and configured and dimensioned to contain the item, at least one of the first and second flexible walls defining a pocket opening allowing access to the pocket from an exterior of the envelope for loading the item into the pocket, the second wall being affixed to an adjacent portion of the envelope by at least a first seal;
- and
- a bonding element covering a majority of a surface of at least one of the first and second flexible walls, wherein the first seal is formed from the bonding element.
1 more element
A method for forming a envelope configured to hold an item to be packaged, the method comprising:
- providing a web stock comprising:
- a first wall;
- a second wall overlying the first wall and affixed to the first flexible wall about at least a portion of a pocket border that encloses a pocket defined between the first and second walls and configured to contain the item;
- and a bonding element covering a majority of a surface of at least one of the first and second walls, the bonding element forming a first seal extending in a generally lengthwise direction of the web stock;
- and
- forming, from the bonding element, a second seal and a third seal between the first and second walls, wherein at least the second and third seals form a portion of the pocket.
3 more elements
Dependencies are inferred from the claim text.