A refill cartridge for a stick which applies product by...

A - Human Necessities – 45 – D

Patent

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Details

A45D 40/16 (2006.01) A45D 40/04 (2006.01)

Patent

CA 2188590

The invention seeks to simplify the production and filling of a refill cartridge for a stick which applies product by rubbing onto a surface, comprising a tube-like element, which is designed to be tightly closed at both ends and of which one end is designed to fit tightly onto a tube element of the stick: a longitudinally displaceable plunger with a screwthreaded bore - into which a screwthreaded spindle of the adhesive stick projecting from the tube element is designed to be screwed - being non-rotatably guided in the tube-like element; and the tube-like element being filled with a product which bears against the plunger at one end and, in an extension of the screwthreaded bore, is formed throughout with a bore in which the screwthreaded spindle engages when the refill cartridge is fitted onto the stick This is achieved by the fact that the tube-like element (10) is releasably closed at its free end by a sealingly fitted cap-like closure element (17), the cap-like closure element (17) being internally formed with a pin-like projection (18) which fills the bore (16) extending throughout the product (15).

L'invention concerne une cartouche de recharge pour un bâton délivrant un produit, par enduction d'une surface. Cette cartouche comprend un élément en forme de manchon qui peut être fermé hermétiquement à ses deux extrémités et dont une extrémité permet de le monter de manière étanche sur un élément manchon du bâton. Un piston déplaçable dans le sens longitudinal est guidé, bloqué en rotation, dans l'élément en forme de manchon. Ce piston comporte un alésage taraudé dans lequel une tige filetée du bâton de colle qui fait saillie du manchon peut être vissée. L'élément en forme de manchon est rempli de produit qui repose, à une extrémité, sur le piston, et présente, dans le prolongement de l'alésage taraudé, un trou traversant dans lequel la tige filetée s'engage lorsque la cartouche de recharge est abouchée au bâton. L'invention vise à ce que cette cartouche de recharge puisse être produite et remplie aisément. A cet effet, l'extrémité libre de l'élément en forme de manchon (10) est fermé amovible par un élément de fermeture (17) de type capuchon, monté hermétiquement. Cet élément de fermeture (17) de type capuchon comporte à l'intérieur, un téton (18) se présentant sous forme de tige, qui se loge dans le trou traversant (16) du produit (15).

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