Squeeze bottle and eye dropper using the same

A - Human Necessities – 61 – J

Patent

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Details

A61J 1/05 (2006.01) B65D 1/32 (2006.01) B65D 83/00 (2006.01)

Patent

CA 2574382

A squeeze bottle from which liquid can be discharged with a reduced pressing force, and particularly a squeeze bottle from which a liquid droplet can be discharged, even if a valve operated by a load of liquid pressure is provided, with a pressing force reduced to a freely adjustable level. A squeeze bottle having a bottle body (10) for receiving liquid and a neck section (11) continuous to an opening end (10a) of the bottle body (10), wherein the bottle body (10) has a bellows section (12) expandable and contractible in the direction (y) substantially orthogonal to the direction (x) of discharge of the liquid. The bellows section (12) has corrugations (13) along the discharge direction (x), and the corrugations (13) are arranged spaced from each other in the expansion/contraction direction (y). Further, the width in the width direction (z) in mountain fold sections, or the distance between both end edges (14), of the corrugations (13) becomes smaller from the center in the expansion/contraction direction (y) to both ends. In valley fold sections of the corrugations (13), the distance between both end edges (18) in the width direction (z) becomes smaller from the center in the expansion/contraction direction (y) to both ends.

Cette invention a pour objet un flacon souple depuis lequel un liquide peut être versé avec une force de pression réduite et, plus particulièrement, un flacon souple depuis lequel un liquide peut être versé par gouttes, bien que muni d~une valve actionnée par une charge de pression liquide, avec une force de pression réduite à un niveau librement ajustable. L~objet de cette invention consiste en un flacon souple doté d~un corps principal (10) de réception du liquide et d~un goulot (11) se terminant par l~ouverture (10a) de ce corps principal (10), comprenant une section à soufflet (12) extensible et rétractable dans la direction (y) pratiquement orthogonale à la direction (x) de décharge du liquide. La section à soufflet (12) est ondulée (13) dans le sens de versement (x) et ces ondulations (13) sont séparées l~une de l~autre dans le sens d~extension/de rétractation (y). En outre, la largeur, dans le sens de la largeur (z) dans les sections de pliage, ou la distance entre les deux bords (14) des parties ondulées (13), se rétrécit à partir du centre dans le sens d~extension/de rétractation (y) vers les deux extrémités. Dans les sections de pliage ondulées (13), la distance entre les deux bords (18) dans le sens de la largeur (z) rétrécit depuis le centre dans le sens d~extension/de rétractation (y) vers les deux bords.

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