AptarGroup has patented a recyclable full plastic valve for dispensing fluids. The valve includes a spring device integrated with the valve element for silent operation, with a seal made of polyethylene or thermoplastic elastomer. The dispensing apparatus is designed for efficient fluid dispensing from a container. 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 January 2024 was 62%. Grant share is based on the ratio of number of grants to total number of patents.

Valve for fluid dispensing apparatus with integral spring device

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

A newly granted patent (Publication Number: US11884477B2) discloses a dispensing apparatus designed for dispensing fluids. The apparatus includes a container and a valve with a valve housing, a valve element, and a spring device that returns the valve element to a closed position. The unique feature of this invention is the spring device, which is integrally formed with the valve element and consists of a plurality of arms extending from the valve element. These arms have contact regions that bear against a counterface of the valve housing, forming an elevation on the outer surface of the arms. The design ensures smooth and silent operation during the movement of the valve element, enhancing the user experience.

Furthermore, the patent claims specify additional features of the dispensing apparatus, such as the V-shaped configuration of the arms, the presence of V-shaped recesses between the arms, and the specific materials used for the contact region and counterface (polyketone). The patent also highlights the importance of the contact region sliding silently on the counterface, achieved through the matching of materials. Additionally, the patent details the Young's modulus range for the spring device, the radius of the contact region, and the use of a urethane-based thermo-plastic elastomer seal in the apparatus. Overall, the patent reveals a novel dispensing apparatus with a unique spring device design that ensures efficient and quiet operation, making it a valuable innovation in the field of fluid dispensing technology.

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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.