Beaded thin wall large aerosol container

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 83/00 (2006.01)

Patent

CA 2569765

A large size aerosol container (10') dispensing a fluent material. A generally cylindrical can body (12') is fabricated from a steel sheet and has a relatively thin sidewall thickness of between 0.004 inches and 0.010 inches depending upon the weight of the steel sheet from which the container is made. The can body has beads (30) formed at regular intervals substantially its length. The beading adds structural strength to the container so the container is not damaged by handling during manufacture of the container, will not collapse during vacuum filling, and cannot be crushed by hand before the container is filled. The container can withstand a vacuum of at least 23 inches of Mercury without collapsing. A valve assembly (14') includes a spray valve (20) for dispensing the fluent material stored in the container. The container is filled with the fluent material and a propellant stored in the container under pressure.

L'invention concerne un contenant (10') de grande taille pour aérosol distribuant un matériau fluide. Un corps de boîte (12') généralement cylindrique est produit à partir d'une feuille d'acier et présente une épaisseur de paroi latérale relativement mince comprise entre 0,004 pouces et 0,010 pouces en fonction du poids de la feuille d'acier dont le contenant est constitué. Ledit corps de boîte comprend des moulures (30) formées à intervalles réguliers sur sensiblement toute sa longueur. Les moulures confèrent une résistance structurale au contenant de sorte que ce dernier ne soit pas endommagé par la manipulation pendant sa fabrication, ne s'affaisse pas pendant le remplissage sous vide, et ne soit pas compressé avant son remplissage. Ledit contenant peut supporter un vide d'au moins 23 pouces de mercure sans s'affaisser. Un ensemble valve (14') comprend une valve de pulvérisation (20) qui permet de distribuer le matériau fluide stocké dans le contenant. Ledit contenant est rempli par le matériau fluide et par un propulseur stocké dans ledit contenant sous pression.

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