Hand held dispensing and application apparatus

Details Hand held dispensing and application apparatus Hand held dispensing and application apparatus

B - Operations, Transporting

65

D

B65D 83/00 (2006.01) B65D 35/28 (2006.01) B65D 47/42 (2006.01) B65D 75/28 (2006.01) B65D 85/72 (2006.01)

Patent

CA 2524450

A dispensing and application apparatus designed to contain pre-measured amounts of a flowable substance. The apparatus comprises a compartment (130) for storing the substance that is partially enclosed by a frangible seal (210), an applicator (100), and an expandable chamber (170) designed to accept and dissipate the hydraulic force created when pressure is applied to the compartment (130), rupturing the frangible seal (210), and expelling the substance into the chamber (170). The applicator (100) is attached to the chamber (170) with an applicator bond area (180). The expandability of the chamber (170) is conferred by expandability of the applicator (100), and is varied in different embodiments by altering the ratio between the area of the applicator bond area (180) and the area of the applicator (100). The frangible seal (210), in one of many embodiments, may be a chevron shape stress riser (250) with a point of inflection (240) oriented towards the compartment (130). A removable cap may cover the applicator.

L'invention concerne un dispositif distributeur et applicateur conçu pour contenir des doses prédéterminées d'une substance fluide. Ce dispositif comprend un compartiment (130) destiné au stockage d'une substance, lequel est partiellement entourée par un élément de fermeture frangible (210), un applicateur (100), et une chambre extensible (170) conçue pour recevoir et dissiper la force hydraulique créée lorsqu'une pression est appliquée au compartiment (130), provoquant la rupture l'élément de fermeture frangible (210) et éjectant la substance dans la chambre (170). L'applicateur (100) est assemblé à la chambre (170) par l'intermédiaire d'une zone (180) de connexion. L'extensibilité de la chambre (170) est conférée par l'extensibilité de l'applicateur (100), et peut être variée selon les formes de réalisation, par modification du rapport entre la surface de la zone (180) de connexion de l'applicateur et la surface de l'applicateur (100). Dans une forme de réalisation particulière parmi de nombreuses autres, l'élément de fermeture frangible (210) peut se composer d'une zone (250) de contrainte en forme de chevron, comprenant un point d'inflexion (240) orienté en direction du compartiment (130). Un bouchon amovible peut recouvrir l'applicateur.

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