US 11,851,256 B2
System for preventing blockage of evacuation of flexible packaging
Paul N. Georgelos, Naperville, IL (US); Ronald E. Kieras, Woodstock, IL (US); and Matt Ruschmeier, Glencoe, MN (US)
Assigned to Liqui-Box Corp., Richmond, VA (US)
Filed by Liqui-Box Corporation, Richmond, VA (US)
Filed on Aug. 25, 2022, as Appl. No. 17/895,317.
Application 17/895,317 is a continuation of application No. 17/224,299, filed on Apr. 7, 2021, granted, now 11,459,154.
Claims priority of provisional application 63/010,165, filed on Apr. 15, 2020.
Claims priority of provisional application 63/006,788, filed on Apr. 8, 2020.
Claims priority of provisional application 63/006,791, filed on Apr. 8, 2020.
Prior Publication US 2022/0411157 A1, Dec. 29, 2022
Int. Cl. B65D 75/58 (2006.01); B67D 1/08 (2006.01)
CPC B65D 75/5861 (2013.01) [B67D 1/0807 (2013.01); B67D 2001/0827 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A system for evacuating fluid from a flexible container, comprising:
a spout having a base with an outer rim, the spout being configured to be connected to one of a plurality of walls of the flexible container and a passageway in fluid communication with an interior region of the flexible container, the passageway having an outlet at a top end and an inlet at a bottom end; and
a cage positioned proximate the bottom end of the passageway and including a circular cage rim that is received in a groove in the base of the spout and mounted along the base of the spout proximate the inlet, wherein the cage rim defines the outer perimeter of the cage, the cage being positioned to block a portion of one of the plurality of walls of the flexible container from entering the inlet of the passageway and preventing fluid from evacuating the container via the passageway.