Airtight cosmetic case with bellows

Details Airtight cosmetic case with bellows Airtight cosmetic case with bellows

A - Human Necessities

45

D

A45D 40/18 (2006.01) A45C 13/00 (2006.01) A45D 40/02 (2006.01) A45D 40/06 (2006.01)

Patent

CA 2306382

The present invention is an airtight case comprising a base for receiving a stick-type product, a hollow cap (2), and a hollow plug sleeve (3) inserted within the cap (3). The plug sleeve (3) has an open end and a closed end, the closed end being a flexible bellows (4). This case is useful in reducing the adverse effects caused by the pressure build-up associated with sealing or airtight cases. When the cap (2) of the present invention is placed on the base of the case (2) the bellows (4) expands in response to the compressing of the air located within the inner chamber of the case, thus preventing the cap from being pulled away from the base. Also, when the cap (2) is removed, the bellows (4) contracts and prevents the product from being pulled out of the base.

Cette invention se rapporte à un étui étanche à l'air, qui comprend une base destinée à recevoir un produit de type bâton, un capuchon creux (2), ainsi qu'un manchon obturateur creux (3) introduit dans le capuchon. Le manchon obturateur (3) possède une extrémité ouverte et une extrémité fermée, laquelle est constituée par des soufflets souples (4). Cet étui sert à réduire les effets néfastes causés par l'accumulation de pression associée aux étuis à fermeture étanche ou étanches à l'air. Lorsque le capuchon (2) de cet étui est placé sur la base de l'étui (2), les soufflets (4) se déploient en réponse à la compression de l'air se trouvant dans la chambre intérieure de l'étui empêchant ainsi le capuchon de sortir de la base. De même, lorsque le capuchon (2) est retiré, les soufflets (4) se contractent et empêchent le produit cosmétique de sortir de la base.

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