US 12,459,726 B2
Cartridge system for delivering an aqueous solution
Stephan Kneer, Farchant (DE); Roland Kneer, Farchant (DE); and Kasim Yilginc, Oberammergau (DE)
Assigned to Gaplast GmbH, Altenau (DE)
Filed by Gaplast GmbH, Altenau (DE)
Filed on Dec. 27, 2023, as Appl. No. 18/397,051.
Claims priority of application No. 10 2023 102 632.1 (DE), filed on Feb. 2, 2023.
Prior Publication US 2024/0262603 A1, Aug. 8, 2024
Int. Cl. B65D 1/02 (2006.01); B05B 11/00 (2023.01); B05B 15/30 (2018.01); B65D 77/06 (2006.01); B65D 81/32 (2006.01); B65D 83/00 (2006.01); B65D 83/76 (2006.01); B05B 11/10 (2023.01)
CPC B65D 83/765 (2025.01) [B05B 11/0081 (2013.01); B05B 15/30 (2018.02); B65D 1/02 (2013.01); B65D 77/06 (2013.01); B65D 81/325 (2013.01); B65D 83/7713 (2025.01); B05B 11/106 (2023.01); B65D 2501/0063 (2013.01); B65D 2583/005 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A cartridge system for delivering an aqueous solution made with a mixture of an active material with a liquid medium, the cartridge system comprising container and a pump fastened to a neck of the container, wherein the container is fillable with the liquid medium, the pump includes a cartridge and an intake tube, wherein the intake tube of the pump is sealingly inserted in an upper side of the cartridge, wherein the active material is filled into the cartridge, and wherein the cartridge is sealed from an exterior by at least one piston or stopper, the at least one piston or stopper being movably arranged in a wall of the cartridge and configured to enter into an interior of the cartridge under reduced pressure produced by the pump and opens to the exterior so that the active material is mixed with the liquid medium.