ES307806A1 - Improvements in the manufacture of packaging for powdered, granulated, pastoso or liquid products. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Improvements in the manufacture of packages for powdered, granulated, pasty or liquid products, of the type comprising a container itself, preferably cylindrical, of any rigid material, and a tubular liner, of any flexible impermeable material, which bears associated with a bag-like bottom and is attached to the rigid outer container in the contour of said bottom and in the area of the upper edge of the side wall of the rigid container, characterized in that the fastening of said tubular lining to the rigid outer container is effected , in the lower part, by imprisonment of a fold of the lining itself, constituted either as a continuous flange on the contour of its bottom, either as two or more fins, between two rigid pieces associated with said container in a manner of double bottom and the lower portion of its side wall, stuffed and folded inward, by means of an outer ring of imprisonment, and in the upper part, by trapping a circumferential fold constituted by the liner itself, between two rigid annular parts held in the upper portion drawn and bent inwardly of the side wall of the rigid container, also by means of an outer clamping ring, and in that said lining The tubular is made so long that a substantial portion of it can be made to protrude from the mouth of the rigid outer container, in the manner of a sleeve, to facilitate the filling and emptying of the container and to establish a hermetic seal of the liner by any appropriate means. (Machine-translation by Google Translate, not legally binding)