Suction cup lid

Details Suction cup lid Suction cup lid

A - Human Necessities

47

J

A47J 36/06 (2006.01)

Patent

CA 2508856

A lid for a container, preferably integrally formed of silicone, or other flexible materials, and forming a convex, hemispherical, or other bulged shape. In some embodiments, a central handle or knob allows the lid to be grasped for placement over the container or for removal. When placed atop a container, the handle can be pressed downward, causing the convex shape to be reduced, or to be converted to a concave shape. The downward movement expels much of the air within the container, creating a relative vacuum so that the lid is held firmly in place. The suction force creates a tight seal between the lid and the vessel, aiding in maintaining the freshness of the item stored inside the container

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