Improvements in or relating to packaging

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 5/74 (2006.01) B65D 51/22 (2006.01)

Patent

CA 2322527

A plastics pour spout fitment (3) has not only a pour spout (4) thereof welded to plastics-coated paperboard packaging material (2), but also has a plunger (14) welded to a disc (8) of the material (2), the disc (8) being defined by a ring of weakening (6) in the material. Following purely linearly axially inward displacement of the plunger (14) relative to the pour spout (4), preferably followed by rotation of the plunger (14) about the axis A of the fitment (3) relative to the spout (4), to detach the disc (8) from the remainder of the material (2), the plunger (14), and thus the disc (8), are removed from the pour spout (4) as a screw cap (12) is removed from the spout (4).

L'invention concerne un agencement (3) de bec verseur en matière plastique, comprenant non seulement un bec verseur (4) soudé à un matériau d'emballage (2) du type carton revêtu de matière plastique, mais également un élément plongeant (14) soudé à un disque (8) du matériau (2), ce disque (8) étant défini par une bague de rupture (6) ménagée dans le matériau. Par suite du déplacement vers l'intérieur, de manière tout à fait linéaire et axiale, de l'élément plongeant (14) par rapport au bec verseur (4), déplacement préférablement suivi d'une rotation de l'élément plongeant (14) autour de l'axe (A) de l'agencement (3), par rapport au bec (4), aux fins de détachement du disque (8) du reste du matériau (2), l'élément plongeant (14) et, par conséquent, le disque (8), sont ôtés du bec verseur (4) lorsque l'on dévisse du bec verseur (4), le bouchon fileté (12).

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