High-strength gusseted lid for a food container

Details High-strength gusseted lid for a food container High-strength gusseted lid for a food container

B - Operations, Transporting

65

D

B65D 43/06 (2006.01) B65D 6/02 (2006.01) B65D 21/02 (2006.01) B65D 43/02 (2006.01)

Patent

CA 2202699

A lid for a plastic food container includes a continuous body portion and a continuous rim encompassing and projecting laterally outwardly from the body portion. The body portion includes a peripheral region, a transition region and a central region. The peripheral region encompasses the transition region and the central region, extends between the continuous rim and the transition region andslopes downward at a first acute angle from the continuous rim to the transitionregion. The transition region encompasses the central region, extends between the peripheral region and the central region and includes first and second transition portions. The first transition portion intersects the peripheral region and slopes upward at a second acute angle from the peripheral region to the second transition portion. The second transition portion intersects the central region and slopes upward at a third acute angle from the first transition portion to the central region. The second acute angle is greater than the third acute angle. The transition region includes a plurality of spaced gussets interrupting the first and second transition portions.

Couvercle, constitué d'un corps continu ainsi que d'un bord continu, pour récipient alimentaire en plastique. Le bord entoure le corps et est en saillie latérale vers l'extérieur à partir de celui-ci. Le corps comprend une zone périphérique, une zone de transition et une zone centrale. La zone périphérique entoure la zone de transition et la zone centrale, s'étend entre le bord continu et la zone de transition, et est inclinée vers le bas à un premier angle aigu du bord continu à la zone de transition. La zone de transition entoure la zone centrale, s'étend entre la zone périphérique et la zone centrale, et comprend une première et une deuxième partie de transition. La première partie de transition croise la zone périphérique et est inclinée vers le haut à un second angle aigu, de la zone périphérique à la deuxième partie de transition. La deuxième partie de transition croise la zone centrale et est inclinée vers le haut à un troisième angle aigu, de la première partie de transition à la zone centrale. Le second angle aigu est plus grand que le troisième angle aigu. La zone de transition comprend plusieurs soufflets espacés qui interrompent la première et la deuxième partie de transition.

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