B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 45/32 (2006.01) B65D 43/04 (2006.01) B65D 53/00 (2006.01)
Patent
CA 2592732
A container lid for engagement within an open mouth container including upper and lower panels with the lower panel including a peripheral upwardly directed flexible flange seal, the upper panel being upwardly convex and, in cooperation with positioning posts on the lower panel, being selectively downwardly flexed toward the lower panel for an outward movement of the peripheral edge of the upper panel against the flange seal by an enhanced fulcrum action of the upper panel about a fulcrum extending upward from the lower panel in closely spaced inward relation to the flange seal.
Dart Industries Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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