Closure Device and Packaging Comprising a Closure Device

A paper-based closure device with a tab receptacle and insertion tab, requiring complex adult movements, addresses recyclability and child safety issues in paper-based packaging, ensuring easy adult access and child resistance.

US20260192983A1Pending Publication Date: 2026-07-09HENKEL KGAA
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
HENKEL KGAA
Filing Date
2026-03-06
Publication Date
2026-07-09

AI Technical Summary

Technical Problem

Existing child-resistant closures for paper-based packaging are difficult to recycle due to plastic components, and existing solutions are not easily accessible to children while being challenging for adults to open.

Method used

A closure device made predominantly of paper-based materials with a tab receptacle and insertion tab, requiring a combination of pressing and pulling movements to open, where the hook element is released from locking by applying pressure through a hidden or visible opening, ensuring child safety and recyclability.

Benefits of technology

The solution provides a child-resistant, recyclable closure device that can be easily opened by adults but not children, maintaining sustainability and safety standards, and is suitable for paper-based packaging containers.

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Abstract

A closure device for attaching to a packaging container, by which the container is closable but cannot be opened by children once closed. The closure device is made of at least 70% paper-based material and includes a tab receptacle, a receiving space and an insertion tab with a hook element. To close the device, the insertion tab is inserted in the receiving space of the tab receptacle and a free end of the hook element lockingly engages with an edge of the space. To open the closure device, the insertion tab is withdrawn from the receiving space while applying pressure to the hook element to release locking. For this purpose, an opening is formed in a wall of the tab receptacle through which pressure is applied. An item of packaging composed of the packaging container, includes a removal opening and the closure device.
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