Bags, especially shopping bags, of a thermoplastic synthetic resin sheeting, are made to be free-standing. In the process for the production of the bags, the bags are provided in pairs. Each bag is provided with a handle hole and designed as a standing bag having an approximately sinusoidal load-bearing...http://www.google.es/patents/US4925438?utm_source=gb-gplus-sharePatente US4925438 - Bags made of a thermoplastic synthetic resin sheeting and process for the production of said bags
Bags made of a thermoplastic synthetic resin sheeting and process for the ...
