US 11,939,133 B2
Valve for a packaging container
Hans-Peter Stadel, Lorch (DE); Jenny Haase, Allmersbach (DE); and Holger Poell, Stuttgart (DE)
Assigned to Syntegon Technology GmbH, Waiblingen (DE)
Appl. No. 17/641,627
Filed by Syntegon Technology GmbH, Waiblingen (DE)
PCT Filed Sep. 18, 2020, PCT No. PCT/EP2020/076115
§ 371(c)(1), (2) Date Mar. 9, 2022,
PCT Pub. No. WO2021/053150, PCT Pub. Date Mar. 25, 2021.
Claims priority of application No. 10 2019 214 317.2 (DE), filed on Sep. 19, 2019.
Prior Publication US 2022/0332490 A1, Oct. 20, 2022
Int. Cl. B65D 77/22 (2006.01)
CPC B65D 77/225 (2013.01) [Y10T 137/782 (2015.04); Y10T 137/7882 (2015.04)] 16 Claims
OG exemplary drawing
 
1. A valve for a packaging container, comprising at least one base film (10) with an opening (11), at least one frame film (13) encompassing a free region (17), and at least one membrane (12) which is arranged on the base film (10) and covers the opening (11), wherein a fluid is provided between the membrane (12) and the base film (10),
wherein the membrane (12) is connected to a surrounding film (20) via at least one connection region (22), the surrounding film (20) being connected on one side to the base film (10) and on its other side to the frame film (13), wherein the membrane (12) is arranged movably within the free region (17), wherein the surrounding film (20) includes an outer perimeter, and wherein the outer perimeter of the surrounding film (20) is open at least in one point such that a channel (18) is formed in the surrounding film (20).