Sealing structures for closure

US11753213B2 · kind B2 · utility

Assignee

• Silgan White Cap LLC · US

Inventors

• Wayne Hohl · Mokena, US
• Dennis Szczesniak · Lemont, US
• Darren Neputy · Palos Hills, US
• Jack Pierce · Grundy Center, US
• Dustin Vance · Lombard, US
• Sungsuk Steve Kim · Batavia, US

Key dates

• Filing date: Jun 29, 2021
• Grant date: Sep 12, 2023
• Expiry date: Jul 27, 2041

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65D51/1661
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

Described is one or more embodiments of closures that include a pressure-relieving feature in a third plug. In one embodiment, the pressure-relieving feature is a gap within the third plug. In another embodiment, the pressure-relieving feature includes one or more recesses within inner surface of the third plug, thereby providing fluid communication between an outer surface of the second plug and the ambient air outside the closure.