JP2004525827A5 - - Google Patents

Claims (10)

A lid for a container having a lower surface for latching engagement with the lid and having an annular upper and lower peripheral latching flange projecting outwardly,
A central portion and an annular peripheral skirt over the upper and lower latching flanges of the container, the peripheral skirt including the upper part of the skirt adjacent to the upper latching flange of the container and the lower part of the container An inwardly projecting inward projection adapted to engage the lower surface of the upper latching flange of the container, having an annular groove that divides into a lower cut strip portion proximate the latching flange An intermittent latching flange segment, the disconnect strip portion having an inwardly projecting latching flange adapted to engage the lower surface of the lower latching flange of the container; When the detaching strip portion is removed, the lower part is covered entirely by a thin film at a position close to the circumferential direction on both sides of each retaining flange segment. The upper part of the skirt is entirely covered by a thin film adjacent to the annular groove in the circumferential direction on both sides of each retaining flange segment so that a thin film notch is left. A thin film window is formed.   The thin film window is formed with a through-opening adjacent to the annular groove so that when the cut-off strip portion is removed, an opening notch is opened downward on both sides of each latching flange segment. The lid according to claim 1.   The lid according to claim 1, wherein a reinforcing rib is formed on the thin film window.   The lid of claim 1, wherein the inwardly projecting latching flange of the detachment strip portion comprises a plurality of spaced apart flange segments.   The lid according to claim 1, wherein a window located adjacent to the annular groove is formed in the separation strip portion.   6. The lid according to claim 5, wherein a thin portion is formed between the lower peripheral edge of the separation strip portion and the window formed in the separation strip portion.   2. The lid of claim 1 including means for forming a peripheral sealing groove between the central portion and the peripheral skirt for sealing engagement with the rim of the container.   The lid according to claim 1, wherein a peripheral shape of the lid and the container is a rectangle.   2. The lid according to claim 1, wherein the peripheral shape of the lid and the container is circular. The outer surface of the upper part of the skirt is formed with a recess for displaying the position of each intermittent latching flange at a position corresponding to each intermittently projecting flange that protrudes inward. Item 2. The lid according to item 1.