Patent ID: 7150728

Claim:
A collecting bag for human body wastes comprising a bag member formed by a first and a second film blank joined along their edges by a seam, an inlet opening being provided in one of said film blanks, at least one vent aperture in communication with the interior of the bag member being provided, said bag member being connected with an extension member formed by first and second extended portions of said first and second film blanks, respectively, said extension member being positioned in an upper region of the bag and extending between a first end of said extension member proximal to and joined with the bag member and a second closed end of said extension member distal to and spaced from the bag member, said at least one vent aperture being provided in the first extended film blank portion of said extension member at a distance from said distal end, said at least one vent aperture being brought from a fully open condition to a fully closed condition by at least one folding along at least one folding line substantially perpendicular to the longitudinal direction of said extension member to bring a first engagement surface into engagement with a second engagement surface, said at least one vent aperture being covered by a part of the folded-over extension member in said fully closed position.