US 12,478,552 B2
Closure system and kit
Nariye Salibryam Cavusoglu Ataman, Basel (CH); Monica De Bardi, Basel (CH); Guido Drees, Basel (CH); Maria Enterrios Quintana, Basel (CH); Joseph Alexander Martin, Basel (CH); Holger Roehl, Basel (CH); Thomas Peter Stuedeli, Basel (CH); Eszter Voros, Basel (CH); Neil Bentley Cammish, Basel (CH); Marcel Sigrist, Basel (CH); Shreya Munjal, South San Francisco, CA (US); and Matthieu Noël Claude Giletti, Basel (CH)
Assigned to HOFFMANN-LA ROCHE INC., Little Falls, NJ (US); and GENENTECH, INC., South San Francisco, CA (US)
Appl. No. 18/257,787
Filed by HOFFMANN-LA ROCHE INC., Little Falls, NJ (US); and GENENTECH, INC., South San Francisco, CA (US)
PCT Filed Dec. 17, 2021, PCT No. PCT/EP2021/086612
§ 371(c)(1), (2) Date Jun. 15, 2023,
PCT Pub. No. WO2022/129586, PCT Pub. Date Jun. 23, 2022.
Claims priority of application No. 20215183 (EP), filed on Dec. 17, 2020.
Prior Publication US 2024/0050314 A1, Feb. 15, 2024
Int. Cl. A61J 1/14 (2023.01); B65D 51/00 (2006.01)
CPC A61J 1/1425 (2015.05) [B65D 51/002 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A closure system for closing an opening of a container, comprising:
a stopper member made of an elastic material and having a plug portion configured to fit into the opening of the container and a cover portion configured to abut a boundary surface adjacent to the opening of the container;
a spring member; and
a cage member configured to be mounted to the container,
wherein the closure system is configured to be in an assembled state in which the plug portion of the stopper member is fitted into the opening of the container, the cover portion of the stopper member abuts the boundary surface of the container, the cage member is mounted to the container to hold the stopper member and the stopper member is compressed between the cage member and the boundary surface of the container, and
wherein the cage member and the spring member are configured to position the spring member between the cover portion of the stopper member and the cage member such that the spring member is arranged to push the cage member away from the cover portion of the stopper member, when the closure system is in the assembled state.