AptarGroup patented a closure for containers with a tamper-evident unit indicating lid opening. The design includes frangible bridges connecting tamper-evident elements, allowing movement to show lid status. GlobalData’s report on AptarGroup gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on AptarGroup, Smart inhalers was a key innovation area identified from patents. AptarGroup's grant share as of February 2024 was 64%. Grant share is based on the ratio of number of grants to total number of patents.

Tamper evident closure for containers

Source: United States Patent and Trademark Office (USPTO). Credit: AptarGroup Inc

A recently granted patent (Publication Number: US11905078B2) discloses a closure system for a container, comprising a base element, a flip-top lid attached to the base element via a hinge, and a tamper-evident unit to indicate if the lid has been opened. The tamper-evident unit includes ring-like elements, with the second element being smaller in diameter than the first, and both elements being concentric or essentially concentric to each other. Additionally, the closure features frangible bridges connecting the tamper-evident elements, arranged around the outer circumference of the smaller element.

Furthermore, the patented closure system includes a spout that is separate from the base element and is inserted through an opening on the upper side of the base element. The spout is fixed in position and includes an outwardly extending protrusion that interacts with the tamper-evident unit when the lid is closed. The closure system is designed to be manufactured using injection molding, with the base element and flip-top lid initially molded in an open position before being closed, and the tamper-evident unit and spout inserted while the lid is closed. This innovative closure system aims to provide a secure and tamper-evident solution for containers, ensuring the integrity of the contents within.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.