METHOD OF FORMING CONTAINERS AND PACKAGES

摘要

This disclosure relates to a method of forming containers and packages wherein either an unfilled container or a partially filled package may be formed. The method basically relates to the forming of a container or package having two faces from web material wherein the web material is formed into a tubular container with the two walls closed transversely at the bottom end and open at the top end, and a wide seam joins together double overlapping thicknesses of the web material to form a filling passage between the double thicknesses with the seam extending across the full width of the overlapping thicknesses and through which filling passage a substance or an additional substance can be added to the interior of the package, the entire filling passage being positioned within the wall of one package face which under pressure from contents within the package curves outwardly to hold the passage walls in mutual contact preventing the exit of the contents of the package through the passage and in the case of a partially formed package, introducing a first substance into the tubular container through the remaining open upper end of the tube walls, and thereafter placing a closing seal across the top end of the container.