Patent ID: 7891160

Claim:
A device for gas filling a duct intended to be filled with gas and positioned in a container of a collapsible type, said duct being defined by two opposite side walls, which are joined along a common connecting portion, and comprising an inlet arranged through one of the side walls, the device comprising: an abutment; and a gas module which is axially applicable to the abutment for abutment against a part of said one of the side walls of the container and the inlet arranged therein and for pressing the other of the side walls against the abutment, the gas module being arranged to fill the duct with gas through the inlet, wherein the abutment includes a recess formed in a side of the abutment that is facing the container for allowing a portion of at least one side wall forming the duct to bulge during the filling of the duct with gas in order to form a free passage into the duct.