CPC B65D 51/1644 (2013.01) [B65D 85/72 (2013.01); B65D 17/401 (2018.01); B65D 2205/02 (2013.01); B65D 2401/00 (2020.05)] | 20 Claims |
1. A can lid, comprising:
a flat surface;
a tab attached to the flat surface and positioned next to a mouth opening formed in the flat surface;
an aperture formed in the flat surface located adjacent to the mouth opening, the aperture being separate and distinct from the mouth opening; and
a pressure actuated relief valve disposed in the aperture, the pressure actuated relief valve being configured to move between an open and closed state in response to changes in pressure caused by an increase or decrease of pressure inside of a can of which the can lid has been made a part.
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