US 12,077,329 B2
Cartridge system and method for producing a cartridge system
Günter Empl, Bergisch Gladbach (DE); and Marc Krüger, Bergisch Gladbach (DE)
Assigned to Freezio AG, Amriswil (CH)
Appl. No. 17/628,648
Filed by Freezio AG, Amriswil (CH)
PCT Filed Jul. 24, 2020, PCT No. PCT/EP2020/070927
§ 371(c)(1), (2) Date Jan. 20, 2022,
PCT Pub. No. WO2021/018760, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 102019211189.0 (DE), filed on Jul. 26, 2019; and application No. 102019212708.8 (DE), filed on Aug. 23, 2019.
Prior Publication US 2022/0274725 A1, Sep. 1, 2022
Int. Cl. B65B 29/02 (2006.01); B21D 22/28 (2006.01); B65B 61/18 (2006.01)
CPC B65B 29/022 (2017.08) [B21D 22/28 (2013.01); B65B 61/18 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method for producing a cartridge system for producing a beverage, wherein the cartridge system is insertable into a beverage preparation machine, has a cartridge which comprises a reservoir filled with a beverage substance, and has a cartridge receptacle connected to the cartridge, wherein the cartridge receptacle has a mixing chamber which can be fluidically connected to the reservoir and a fluid feed opening into the mixing chamber, wherein the cartridge is at least partially made of aluminum, wherein in a first method step, an aluminum sheet is provided, wherein, in a second method step, a main body is generated at least partially from the aluminum sheet by punching and either (i) deep-drawing or (ii) impact extrusion, wherein, in a third method step, a sealing element is attached to the main body, and wherein, in a fourth method step, the main body is connected to the cartridge receptacle.