Closure having rotatable spout and axially movable stem

Details Closure having rotatable spout and axially movable stem Closure having rotatable spout and axially movable stem

B - Operations, Transporting

67

D

B67D 3/00 (2006.01) B65D 47/24 (2006.01) B65D 51/22 (2006.01)

Patent

CA 2469654

A closure (30) for a container having a foil or membrane (81) sealed opening. The closure includes a cap (31), a spout (32) and a stem (36). The stem includes a downwardly extending piercing structure (82) adapted for piercing the foil or membrane of the container upon rotation of the spout relative to the cap. The cap includes a cap top (37), a cap skirt (38) depending from the cap top, an open sleeve (47) and a stem guide (52). The open sleeve has an inwardly extending thread (42) adapted to detachably engage the container. The open sleeve extends upwardly from the cap top. The stem guide extends along an internal surface of the sleeve. The spout rotatably engages the sleeve and includes a spout top (54) having a central aperture (58), an outer spout skirt (59) and an inner skirt (63). The outer skirt depends from the spout top radially outward of the sleeve and rotatably engages the sleeve.

La présente invention concerne un dispositif de fermeture (30) pour un récipient présentant une ouverture obturée par un film ou une membrane (81). Le dispositif de fermeture comporte un capuchon (31), un bec (32) et une tige (36), La tige comprend une structure de perforation (82) se prolongeant vers le bas destiné à la perforation du film ou de la membrane du récipient lors de la rotation du bec par rapport au bouchon. Le capuchon comporte une tête de capuchon (37), un jupe de capuchon (38) solidaire de la tête de capuchon, un manchon ouvert (47) et un guide de tige (52). Le manchon ouvert présente un filetage (42) se prolongeant vers l'intérieur apte à engager le récipient de manière amovible. Le manchon ouvert se prolonge vers le haut à partir de la tête de capuchon. Le guide de tige se prolonge le long d'une surface interne du manchon. Le bec engage en rotation le manchon et comporte une tête de bec (54) présentant un orifice central (58), une jupe de bec extérieure (56) et une jupe intérieure (63). La jupe extérieure s'étend radialement depuis le bouchon de bec vers l'extérieur du manchon et engage le manchon en rotation.

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