A collapsible tube package and method of construction

Details A collapsible tube package and method of construction A collapsible tube package and method of construction

B - Operations, Transporting

65

D

B65D 35/10 (2006.01) B29C 65/08 (2006.01) B65D 35/12 (2006.01)

Patent

CA 2212462

A collapsible tube package (10) having a reclosable closure (12) comprises a tubular body (16) having a first open end and a second open end. It also comprises a tube head (14) having an outer shoulder surface (22) and a perimeter edge (20). The tube head (14) is located just inside the first open end of the tubular body (16) such that a continuous wall portion (27) of the tubular body (16) extends longitudinally beyond the perimeter edge (20) of the tube head (14). The continuous wall portion (27) is swaged against and ultrasonically welded to the outer shoulder surface (22). The second open end of the tubular body (16) is flattened and sealed closed. The tube head (14) has an energy concentration ring (26) melted into a sealing interface between the continuous wall portion (27) and the outer shoulder surface (22), and the tubular body (16) and the tube head (14) comprise just two individual parts made of weldable, non-polar plastics having no metal laminates and metal particles therein.

Emballage (10) tubulaire souple pourvu d'une fermeture réutilisable (12) comprenant un corps tubulaire (16) muni d'une première et d'une seconde extrémité ouvertes. Il comprend également une tête de tube (14) pourvue d'une surface extérieure formant rebord (22) et d'un bord périphérique (20). La tête de tube (14) est située juste à l'intérieur de la première extrémité ouverte du corps tubulaire (16), de sorte qu'une partie paroi continue (27) du corps tubulaire (16) s'étend longitudinalement au-delà du bord périphérique (20) de la tête de tube (14). Ladite partie paroi continue (27) est estampée contre la surface extérieure formant rebord (22), à laquelle elle est soudée par ultrasons. La seconde extrémité ouverte du corps tubulaire (16) est aplatie et fermée hermétiquement. La tête de tube (14) a un anneau collecteur d'énergie (26) fondu dans une interface d'étanchéité entre la partie paroi continue (27) et la surface extérieure formant rebord (22), le corps tubulaire (16) et la tête de tube (14) comprenant juste deux parties distinctes faites d'un plastique soudable non polaire dont l'intérieur est dépourvu de stratifiés métalliques et de particules métalliques.

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