# US 10,479,562 B2 · Pull ring seal system for containers > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,479,562 B2 - Document ID: US10479562B2 - Status: Granted - Kind: B2 - Application number: 16/023,408 - Filed: 2018-06-29 - Published: 2019-01-10 - Granted: 2019-11-19 - Earliest claimed: 2017-07-05 - Assignees: Chase Corporation - Applicants: Chase Corporation - Inventors: Adam P. Chase; Mark Hadley - Web page: https://patentgrep.com/patent/US10479562B2 ## CPC - B65D 39/04: Cup-shaped plugs or like hollow flanged members - B65D 39/16: with handles or other special means facilitating manual actuation - B65D 25/42: Integral or attached nozzles or spouts - B65D 39/0052: {made in more than one piece (B65D39/02, B65D39/04, B65D39/06, B65D39/08 take precedence)} - B65D 51/18: Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures {(B65D51/247 takes precedence)} - B65D 83/00: Containers or packages with special means for dispensing contents (dispensing means incorporated in closures B65D47/00) - B65D 25/282: {provided on a local area near to or at the upper edge or rim} - B65D 2251/0015: of the 41-type - B65D 2251/0018: of the 43-type - B65D 2251/0075: of the 39-type - B65D: CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES ## Abstract Systems and methods for storing a liquid include a container including a body portion defining an internal chamber and at least one opening in communication with the internal chamber, and an insertable plug including a plug body with two rings attached to the plug body via hinges, the insertable plug configured to be inserted into the opening so that a portion of the plug body covers a lip of the opening to restrict access through the opening to the liquid contained in the internal chamber, wherein the hinges can be deformed to raise the two rings away from the plug body. An insertable plug for a container can include a cylindrical plug body, and two rings attached to the plug body by hinges, wherein the hinges can bend to orient the rings towards or away from the plug body. ## Claims ### Claim 1 A system for storing a liquid, comprising: a container including a body portion defining an internal chamber and at least one opening in communication with the internal chamber; and an insertable plug including a plug body with two rings attached to the plug body via hinges, each hinge attached to an outside surface of an outer circumference of the plug body at a single point, the insertable plug configured to be inserted into the opening so that a portion of the plug body covers a lip of the opening to restrict access through the opening to the internal chamber, wherein the hinges can be deformed to raise the two rings away from the plug body. ### Claim 2 (depends on 1) The system of claim 1, wherein the plug body is configured to form an interference fit when inserted into the opening. ### Claim 3 (depends on 1) The system of claim 1, wherein the plug body is configured to form a press fit when inserted into the opening. ### Claim 4 (depends on 1) The system of claim 1, wherein the opening is an access spout raised from a surface of the container, an outside surface of the access spout having threads. ### Claim 5 (depends on 4) The system of claim 4, comprising a screw top with threads that mate with the threads of the access spout. ### Claim 6 (depends on 4) The system of claim 4, wherein the plug body has at least one groove configured to receive an O-ring therein, the O-ring sealingly engaging with the access spout. ### Claim 7 (depends on 1) The system of claim 1, wherein the insertable plug is configured to be removed from the opening and then re-inserted into the opening. ### Claim 8 A method of assembling a container, comprising the steps of: providing a container including a body portion defining an internal chamber and at least one opening in communication with the internal chamber; and inserting an insertable plug including a plug body with two rings attached to the plug body via hinges, each hinge attached to an outside surface of an outer circumference of the plug body at a single point, the insertable plug configured to be inserted into the opening so that a portion of the plug body covers a lip of the opening to restrict access through the opening to the internal chamber, wherein the hinges can be deformed to raise the two rings away from the plug body. ### Claim 9 (depends on 8) The method of claim 8, wherein inserting the plug comprises forming an interference fit between the plug body and the opening. ### Claim 10 (depends on 8) The method of claim 8, wherein inserting the plug comprises forming a press fit between the plug body and the opening. ### Claim 11 (depends on 8) The method of claim 8, comprising attaching a screw top over the opening and the insertable plug.