Retortable plastic containers

Details Retortable plastic containers Retortable plastic containers

B - Operations, Transporting

65

D

B65D 1/42 (2006.01) B65D 1/02 (2006.01) B65D 81/18 (2006.01)

Patent

CA 2143118

A retortable plastic container (50) has a bottom wall having resting surface which surrounds a primary recessed portion (51). The primary recessed portion surrounds a secondary recessed portion (52). When the bottom wall of the container is viewed head-on the primary recessed portion (51) has an outline which is circular, while the secondary recessed portion (52) has an outline which is non-circular. The secondary recessed portion has major and minor axes which are mutually perpendicular and intersect one another on a longitudinal axis of the container. The distance (B) across the secondary recessed portion along the major axis divided by the distance (C) across the secondary recessed portion along the minor axis is greater than 1 but not greater than 3.

Cette invention concerne un contenant en plastique stérilisable (50) dont le fond comporte une surface d'appui autour d'une première partie en creux (51) qui entoure une deuxième partie en creux (52). Vue de face, la première partie en creux (51) du fond du contenant présente un contour circulaire tandis que la seconde partie en creux (52) a un contour non circulaire. Le grand axe et le petit axe de la seconde partie en creux se coupent à angle droit sur l'axe de symétrie longitudinal du contenant. Le quotient de la longueur (B) du grand axe de la seconde partie en creux divisée par la longueur (C) du petit axe de cette partie est supérieur à 1 mais ne dépasse pas 3.

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