Gasketless drum

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 45/32 (2006.01) B65D 43/06 (2006.01) B65D 45/34 (2006.01)

Patent

CA 2461620

A reusable sealable plastic drum (100) incorporates a plastic drum body (102) with a convex upper chime (110) having a convex chime radius. The plastic lid (114) has an annular, peripheral mating channel (118) sized to accept the upper chime. The channel has an inner wall (120), an outer wall (122), a mouth for receiving the upper chime, and a base surface (124) for engaging the upper chime. The base surface has a concave radius, which is matched to the convex chime radius. A lockband surrounds the outer wall (130). Tightening of the lockband causes the concave base radius to fully engage the convex chime radius in a sealing relationship.

L'invention concerne un fût en plastique étanche réutilisable (100) comprenant un corps en plastique (102) à rebord supérieur convexe (110) possédant un rayon de rebord convexe. Le couvercle en plastique (114) comprend un canal d'ajustement annulaire, périphérique (118) conçu de manière à recevoir le rebord supérieur. Ce canal comprend une paroi interne (120), une paroi externe (122), une ouverture permettant de recevoir le rebord supérieur, et une surface de base (124) mettant en prise le rebord supérieur. La surface de base comprend un rayon concave, lequel est ajusté au rayon du rebord convexe. Une bande de sûreté ceinture la paroi externe (130). Le serrage de la bande de sûreté entraîne le couplage total du rayon de la base concave avec le rayon du rebord convexe dans une relation d'étanchéité.

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