UN DISPOSITIVO PARA LA FABRICACION DE UNA BOLSA DE MATERIA SINTETICA FLEXIBLE

摘要

The front face of a bag, made of flexible material obtained from a strip of synthetic film shaped to define a bottom and a pair of side walls connected by a stiffening and gripping zone to the front face, from which contents of the bag are poured, is provided with structure for stiffening and stabilizing said bag.