CLOSURE WITH HINGED LID AND STRESS RELIEF RECESSES

摘要

A closure (40) is provided for a container opening. The closure (40) includes a body (50) for mounting to the container and a lid (70) movable between a closed position and an open position. The lid (70) and body (50) are connected by a bistable, snap-action hinge structure (80) having a web (100) between two hinges (121, 122). Stress-relief recesses (defined in part by edges 260, 270; 260 A, 270A) are provided at an end edge (102", 102A") of either the body hinge (121) or the lid hinge (122) or both.