Liquid charging nozzle plate

B - Operations – Transporting – 65 – B

Patent

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Details

B65B 3/06 (2006.01) B65B 39/00 (2006.01) B67C 3/22 (2006.01) B67C 3/26 (2006.01)

Patent

CA 2200840

A liquid charging nozzle plate (10) comprising a plate body provided with a plurality of through holes (11). This liquid charging nozzle plate (10) is used by fixing the same to a lower end opening of a liquid charging tube (67). The outflow of a liquid with which the liquid charging tube (67) is filled is prevented owing to the surface tension of the liquid in the through holes (11) of the liquid charging nozzle plate (10). On an inner circumferential surface (13) of each through hole (11), projections (15) are provided which extend in the circumferential direction so that the inner diameter of the through hole (11) decreases. Owing to the cross-sectional shape of this through hole (11), the dripping of the liquid from the through hole (11) can be prevented effectively. Even when the through holes (51) are formed cross-sectionally to an elongated slit-like shape, the dripping of a liquid therefrom can also be prevented effectively.

Plaque (10) à ajutages pour apport de liquide, comportant une plaque pourvue d'une série d'orifices traversants (11). On utilise cette plaque (10) en la fixant à l'ouverture de l'extrémité inférieure d'une conduite d'apport de liquide (67). Toute la sortie du liquide emplissant la conduite d'apport (67) est rendue impossible en raison de la tension de surface du liquide dans les orifices (11) de la plaque à ajutages (10). Sur la surface périphérique interne (13) de chaque orifice traversant (11) des saillies (15) sont ménagées. Ces saillies sont disposées dans le sens périphérique de telle sorte que le diamètre interne de l'orifice traversant (11) se trouve réduit. Du fait de la forme de la section transversale de cet orifice (11), toute fuite de liquide hors de cet orifice (11) peut être prévenue de manière efficace. Même lorsque les orifices (51) sont réalisés de telle sorte que leur section transversale se présente sous la forme d'une fente allongée, toute fuite de liquide par ces orifices peut également être empêchée de manière efficace.

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