Patent ID: 6543635
Filing Date: 2003-04-08
Classification: B65D

Abstract:
A lid for a container, said container having upper and a lower peripheral, annular outwardly disposed container locking flanges, said upper and lower container locking flanges having undersides for locking engagement with the container lid, the lid comprising: a central portion and a peripheral annular skirt adapted to overlie the container locking flanges; the annular skirt defining an annular groove dividing said skirt into a skirt upper portion located adjacent to the container upper locking flange, and a lower tear-off strip portion located adjacent to the container lower locking flange; the skirt upper portion having inwardly disposed intermittent locking flange segments, adapted to engage the underside of the container upper locking flange; the skirt upper portion also being formed with thin membrane windows therein, each said window covered entirely by a thin membrane, said windows positioned circumferentially adjacent to both sides of each locking flange segment and bordering on the annular groove; and the tear-off strip portion defining an inwardly disposed locking flange adapted to engage the underside of the container lower locking flange, so that removal of the tear-off strip portion leaves downwardly disposed thin membrane notches, each said notch covered entirely by said thin membrane, said notches positioned circumferentially adjacent to both sides of each locking flange segment.