CAP WITH OPENING INDICATING STRIP Russian patent published in 1999 - IPC

FIELD: packing. SUBSTANCE: invention relates to plastic caps for containers with neck provided with outer screw thread. Cap upper part hanging skirt. The latter is connected with opening indicating strip by friable bridge and at least one strong bridge. Strip has cylindrical body and segmented rib for engagement with container flange. Body has V-shaped slot. First section of slot is located adjacent to strong bridge, starting from strip top, and second section is arranged vertically under or adjacent to strong bridge. Body has friable zone extending from bottom of second section to bottom of body to provide breaking of friable bridges and friable zone keeping strip connected to skirt by strong bridge. EFFECT: reliable protection of container from unauthorized opening, possibility of easy manufacturing of cap on automated equipment. 12 cl, 14 dwg