Packing comprising a tube, a threaded cap, and an inner closure to be welded on the neck of the tube, an method of closing said tube

摘要

The invention relates to a tube (2) with a neck (1) of plastic material with a cover (21) welded on the neck (1) after fastening the capsule (8), this cap (21) having at least one portion projecting (23) for its tearing, said cap (8) holding the seal (21) during sealing of the neck (1), characterized in that: -l'opercule (21) has one or more protruding tabs (23), at least for the tearing of the lid (21) sealed; - the cover (21) is deformable and little or no springback; - the bottom (13) of the capsule (8) has a bearing shoulder (14) of the cap (21) on the neck (1), chosen not to wear on the cutting burr (5) of the neck (1) -the neck (1) and the capsule (8) suitable for mounting between them or the projecting tabs (23) folded. The invention also relates to the tube sealing process (2), comprising an induction welding or ultrasonic. The invention is used for hygienic products, cosmetics or food.