Membrane piercing closure and spout assembly

Details Membrane piercing closure and spout assembly Membrane piercing closure and spout assembly

B - Operations, Transporting

65

D

B65D 51/22 (2006.01) B65D 5/74 (2006.01) B65D 47/10 (2006.01) B65D 77/06 (2006.01)

Patent

CA 2185563

A closure assembly (30) for piercing a diaphragm (24) over a discharge opening (22) in a container (10) comprising a cap of cup-like form (32) having internal thread means (43) and a generally tubular spout member (34) mounted on the container (10) surrounding the diaphragm (24) and a piercing fitment (30') disposed interiorly of the spout member (34) having a series of depending teeth (39) arranged in a circular array and cooperating interengaging means between the spout member (34) and piercing fitment (36) and cap (32) whereby rotational movement of the cap (32) in one direction effects downward displacement of the piercing fitment (36) to pierce the diaphragm (24).

Un élément de fermeture (30) conçu pour perforer un diaphragme (24) recouvrant l'ouverture de décharge (22) d'un récipient (10), comprend un capuchon convexe (32) à filetage interne (43), un élément de déversement (34) généralement tubulaire monté sur le récipient (10), autour du diaphragme (24), et un élément de percement (36) monté à l'intérieur de l'élément de déversement (34) et pourvu d'une série de dents dépendantes (39) orientées vers le bas et agencées en cercle, ainsi que des éléments d'enclenchement situés sur l'élément de déversement (34) d'une part, et sur l'élément de percement (36) et le capuchon (32) d'autre part, qui coopèrent les uns avec les autres. Lorsque l'on fait tourner le capuchon (32) dans un sens, l'élément de percement (36) se déplace vers le bas pour percer le diaphragme (24).

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