Importance

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Abstract

The invention relates to a method for manufacturing packages comprising a tubular body made from a cardboard material and a sealing structure made from a cardboard material, and machines implementing said method, comprising

supplying a sealing unit (2) with preformed tubular bodies, two by two, and with sealing structures in the form of flat portions, two by two, each one comprising a central part with a shape conjugated to the shape of the opening of the tubular bodies, surrounded by a peripheral portion that can be folded down that is sufficient to assemble a sealing structure sealably with the inner side wall of the tubular body,inserting pairs of sealing structures into a forming tool (7), and forming them in a bowl,inserting, placing and sealing bowls in the tubular bodies using said forming tool;transferring, two by two, the tubular bodies assembled to the sealing structures to a finishing unit (10),if the sealing structure is a lid, precutting (14) the side wall of said tubular body and partially precutting said lid along a peripheral line,at least one finishing operation for the end of the package bearing said sealing structure.

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First Claim