Drinking straw with integral filters

Details Drinking straw with integral filters Drinking straw with integral filters

A - Human Necessities

47

G

A47G 21/18 (2006.01)

Patent

CA 2644062

A drinking straw (1) for progressively adding an active ingredient to a carrier liquid as the liquid is drawn through the straw. The straw (1) includes a generally elongate tubular body (2) having an internal bore (3) and a sidewall (4). The tube (2) includes first and second filters (5) and (6) disposed at respective first and second ends (7) and (8), of the tube. Together, the first and second filters retain a predetermined measure of soluble active ingredients within the bore of the tube (2), while allowing a carrier liquid to be drawn through the straw, by oral suction. The active ingredient, takes the form of a plurality of solid pellets (9). Each filter is formed by blocking, closing or constricting the tube at or adjacent the corresponding end and providing at least one aperture sized to be sufficiently small to retain the pellets within the tube whilst sufficiently large to allow passage of liquid.

Paille à boire (1) pour progressivement ajouter un ingrédient actif à un liquide porteur alors que le liquide est aspiré au travers de la paille. La paille (1) comprend un corps tubulaire (2) sensiblement allongé comprenant un trou interne (3) et une paroi latérale (4). Le tube (2) comprend un premier (5) et un second filtres (6) disposés respectivement à la première (7) et à la seconde extrémités (8), du tube. Ensemble, les premier et second filtres retiennent une mesure prédéterminée d'ingrédients actifs solubles dans le trou du tube (2), tout en autorisant à un liquide porteur d'être aspiré par la bouche à travers la paille. L'ingrédient actif prend la forme d'une pluralité de granules solides (9). Chaque filtre est fabriqué par blocage, fermeture et constriction du tube, à ou près de l'extrémité correspondante et forme au moins une ouverture dimensionnée pour être suffisamment petite pour retenir les granules dans le tube tout en étant suffisamment grande pour permettre le passage du liquide.

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