Dispensing system with an internal releasable shipping seal...

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 47/06 (2006.01) B65D 35/28 (2006.01) B65D 47/20 (2006.01) B65D 47/24 (2006.01)

Patent

CA 2403076

A dispensing system (30) is provided for dispensing a product from a container having an opening. The dispensing system includes a spout (38) for communicating with the container opening. The spout (38) defines at least one discharge aperture (46), a distal seal surface (54) located distally of the discharge aperture, and a proximal seal surface (56) located on the exterior fo the spout (38) proximally of the discharge aperture (46). A nozzle assembly (60, 70, 80) is mounted on the spout (38) for movement between a retracted, closed position and an extended, open position. The nozzle assembly (60, 70, 80) includes a nozzle (60) having a dispensing passage (86) around at least a portion of the spout (38), a proximal seal surface (90) for sealingly engaging the spout proximal surface (56), and a distal seal surface (96) located outwardly of the nozzle proximal seal surface (90) for sealingly engaging the spout distal seal surface (54) when the nozzle assembly is in the retracted, closed position. The nozzle assembly also includes a resiliently flexible valve (70) that is sealingly disposed across the nozzle dispensing passage (86) at a location distally of the spout distal seal surface (54) and has an initially closed dispensing orifice (132) which opens in response to a pressure differential acting across the valve (70).

L'invention concerne un système de distribution (30) permettant de distribuer un produit à partir d'un conteneur pourvu d'une ouverture. Ce système de distribution comporte un bec (38) communiquant avec l'ouverture du conteneur. Le bec (38) définit au moins une ouverture de décharge (46), une surface d'étanchéité distale (54) disposée à l'extrémité distale de l'ouverture de décharge et une surface d'étanchéité proximale (56) disposée à l'extérieur du bec (38), à l'extrémité proximale de l'ouverture de décharge (46). Un ensemble buse (60, 70, 80) est monté sur le bec (38) de façon à permettre un mouvement entre une position rétractée fermée et une position déployée ouverte. Cet ensemble buse (60, 70, 80) comporte une buse (60) pourvue d'un passage de distribution (86) autour d'au moins une partie du bec (38), une surface d'étanchéité proximale (90) destinée à venir en contact étanche avec la surface proximale du bec (56), et une surface d'étanchéité distale (96) située à l'extérieur de la surface d'étanchéité proximale de la buse (90) et destinée à venir en contact étanche avec la surface d'étanchéité distale (54), lorsque l'ensemble buse se trouve dans la position rétractée fermée. L'ensemble buse comporte également une soupape élastique (70) disposée de manière étanche à travers le passage de distribution (86) de la buse, à l'extrémité distale de la surface d'étanchéité distale (54) du bec ainsi qu'un orifice de distribution (132) initialement fermé, lequel s'ouvre sous l'effet d'une pression différentielle agissant à travers la soupape (70).

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