Patent ID: 6990787

Claim:
Method for packing items of lose material goods in film bags comprising the steps of: conveying interconnected bags having opening edges in a continuous web through a filling station; bringing the bag web along its opening edges into controlled connection with guide means, wherein said guide means include a smooth guide rail, a left chain and a right chain, said smooth guide rail includes longitudinal grooves, said chains are provided with studs placed spaced apart at equal distances on said chain, said studs horizontally project from the chains and horizontally arranged in a plan of the chains that is substantially perpendicular to said bag web, said bag web includes holes spaced apart at equal distances along the bag web opening edges, and wherein the distance between said studs and the distance between said holes are identical; forcing the opening edges of the bags apart for successively opening of the bags at the filling station as the bag web is in connection with said guide means by engaging said studs through the holes in the opening edges of the bag web against the longitudinal grooves to retain and guide forward opposite opening edges of the bags along the longitudinal grooves of the smooth guide rail through the filling station; filling the opened bags with said items or loose material goods at the filling station; then connecting the opening edges of the bags for closing the bags; and separating the bags from the web.