WO2018001562 (A1)
Valve bag
(22) 28.06.2017
(43) 04.01.2018
(57) The invention relates to a valve bag for bulk goods such as cement, gypsum, granular material, animal feed, or the like, comprising a standing bottom, preferably a cross bottom or block bottom, and comprising a valve bottom lying opposite the standing bottom, into which valve bottom a valve tube is incorporated, which forms a valve for filling the valve bag in the region of a first corner tuck of the bottom fold, characterized in that the valve tube is formed of a thermal material and a material deviating therefrom, wherein the two materials can be welded or sealed to each other in order to close the valve.
(71) Dy-Pack Verpackungen Gustav Dyckerhoff GmbH (DE)
