Patent ID: 6237841
Filing Date: 2001-05-29
Classification: B65B,B65G

Abstract:
A retainer for self-standing packaging bags supplied to a bag-packing packaging machine, the retainer comprising:a retaining hole which has a bottom and is vertically provided in said retainer, a cross section of said retaining hole being capable of accommodating a body portion of an open self-standing packaging bag, anda pair of insertion grooves which are vertically provided in said retainer so that both side edges of said self-standing packaging bag are inserted therein, said insertion grooves being at symmetrical positions on both sides of said retaining hole, and whereina depth of said retaining hole and insertion grooves is set so as to be smaller than a length of said self-standing packaging bag, andan outside surface of said open self-standing packaging bag contacts an inside surface of said retaining hole near said insertion grooves or an inside surface of boundary areas between said retaining hole and insertion grooves, so that said self-standing packaging bag in an open state is prevented from closing.