US 12,325,566 B2
Closure for a container
Björn Christensen, Speicherschwendi (CH); Fabian Wahl, St. Gallen (CH); Michael Weber, St. Gallen (CH); Samuel Schindler, Zürich (CH); and Lukas Wilhelm, Zürich (CH)
Assigned to Metrohm AG, Herisau (CH); and Sigma-Aldrich Chemie GmbH, Buchs (CH)
Filed by METROHM AG, Herisau (CH); and SIGMA-ALDRICH CHEMIE GMBH, Buchs (CH)
Filed on Jul. 8, 2020, as Appl. No. 16/923,450.
Application 16/923,450 is a division of application No. 14/781,696, granted, now 10,737,855, previously published as PCT/EP2014/056491, filed on Apr. 1, 2014.
Claims priority of application No. 13162169 (EP), filed on Apr. 3, 2013.
Prior Publication US 2020/0339322 A1, Oct. 29, 2020
Int. Cl. B65D 51/16 (2006.01); B01L 3/00 (2006.01); B65D 1/24 (2006.01); B65D 51/24 (2006.01)
CPC B65D 51/1683 (2013.01) [B01L 3/50825 (2013.01); B01L 3/563 (2013.01); B65D 51/245 (2013.01); B01L 2200/025 (2013.01); B01L 2200/026 (2013.01); B01L 2200/0689 (2013.01); B01L 2200/141 (2013.01); B01L 2300/022 (2013.01); B01L 2300/048 (2013.01); B01L 2300/0681 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A closure for a container for fluids in the laboratory, the closure comprising:
a connection element for connecting the closure to the container,
a sealing device which seals the access to a container content, channels for feeding and discharging air through the sealing device; and
an interface to an adapter having a coupling receptacle,
wherein the closure is designed for multiple use, and the closure comprises a filter element detachable and exchangeable in a use position, through which external air is conveyable from outside, through the closure, into the container and wherein the sealing device has at least one predetermined braking point for enabling simultaneous breaking open of a seal of the a fluid in the container and for breaking open of a seal for the channels for air feed and air discharge.