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US 2025/0368397 A1Published application
Reclosable bag having a repulpable zipper
AssigneeIllinois Tool Works Inc.
InventorsJose Manuel Septien Rojas, Eric Plourde, Kevin Olechowski, Marion Johnson, Clifton Howell, Lars Wihlborg, David Galley
Life of this patent
Estimating the term…
Abstract
A zipper for a reclosable bag includes a first interlocking element, and a second interlocking element. The first interlocking element and the second interlocking element are configured to cooperate to selectively open and close the zipper. One or both of the first interlocking element and the second interlocking element are formed of at least 85% repulpable material.
Claims20
A reclosable bag comprising:
- walls forming an enclosure;
- and
- a mounting web coupled with the walls, the mounting web formed from a first material comprising a repulpable material;
- a base portion coupled with the mounting web;
- and
- interlocking elements coupled with the base portion, the interlocking elements configured to engage each other to hold the enclosure closed and release from each other to open the enclosure.
3 more elements
A reclosable bag comprising:
- walls forming an enclosure;
- and
- a mounting web coupled with the walls, the mounting web including a repulpable material;
- a base portion coupled with the mounting web;
- and
- interlocking elements coupled with the base portion, the interlocking elements configured to engage each other to hold the enclosure closed and release from each other to open the enclosure, wherein at least one of the base portion or the interlocking elements is formed from a second material that differs from the repulpable material of the mounting web.
3 more elements
A reclosable bag comprising:
- walls forming an enclosure;
- and
- a mounting web coupled with the walls, the mounting web formed from a paper-based repulpable material;
- a base portion coupled with the mounting web;
- and
- interlocking elements coupled with the base portion, the interlocking elements configured to engage each other to hold the enclosure closed and release from each other to open the enclosure, wherein the base portion and the interlocking elements are formed from polyvinyl alcohol with a filler that includes at least one of cellulose, calcium carbonate, clay, or talc.
3 more elements
Dependencies are inferred from the claim text.