T-shirt type plastic bag pack adapted to leave no residue on a supporting rack

A bag dispensing system comprising:

• a rack for supporting a pack of plastic bags in a generally vertical suspended position for successive removal of the bags by a user and including two outwardly-extending support arms laterally spaced from each other and an elongate central tab retaining device of inverted U-shaped wire loop type having a predetermined width and a predetermined thickness less than the width;
• and
• a pack of T-shirt type plastic bags having front and rear walls integrally joined at their sides and secured together at their bottoms and defining an open mouth portion at the top of said walls, laterally-spaced upwardly-extending handles on each side at the top and each having an aperture therein for mounting of said handles on said respective support arms of said rack, a detaching central tab at the top of each of said walls and each having an aperture therein for mounting said central tabs on said retaining device of said rack, and said aperture in said tab of both said front and rear walls of each of said bags of said pack having a maximum dimension along the width dimension of the tab retaining device and in the relaxed condition thereof prior to mounting on said retaining device of said rack which is less than the predetermined width of said retaining device of said rack and having a minimum width dimension in the stretched condition thereof after mounting on said retaining device of said rack which is greater than the predetermined width of said retaining device of said rack, so that said tab mounting apertures of each of said bags are stretched over said retaining device of said rack when said bags are mounted on said rack to assist in complete detachment of said tabs from said rack when said bags are successively removed by the user from said rack.

A plastic bag for forming part of a bag pack allowing the successive removal of bags from a support rack, said plastic bag comprising:

• front and rear walls integrally joined at their sides and secured together at their bottoms and defining an open mouth portion at the top of said walls;
• and
• a detaching central tab at the top of each of said walls and each having an aperture therein for mounting said central tabs on the rack, said aperture in said tab of both said front and rear walls of each of said bags of said pack being defined by a cut having;
• a generally vertical straight portion having opposed ends,
• a first curved portion at one end of said straight portion having a predetermined radius of curvature, and
• a second curved portion at the other end of said straight portion having a larger predetermined radius of curvature than the first curved portion.