Tamper-proof cover for a container

• US 3,180,532 A
• Filed: 06/18/1964
• Issued: 04/27/1965
• Est. Priority Date: 06/18/1964
• Status: Expired due to Term

• Current Assignee: Daniel Michel David
• Original Assignee: Daniel Michel David
• Inventors: DANIEL MICHEL DAVID
• Application Number:
  US04/376,151
• Time in Patent Office: 313 Days
• US Class Current: 222/182
• CPC Class Codes: B65D 83/40 Closure caps actuator caps B65D83/205

Claims

1. A TAMPER-PROOF COVER FOR A VALVED DISPENSER ADAPTED FOR MOLDING ON A PROGRESSIVELY STEPPED-BACK CORE, COMPRISING A RING-LIKE BASE MEMBER HAVING A TOP SURFACE AND A GENERALLY CYLINDRICAL INNER WALL TERMINATING IN A LOWER CENTRAL RIM, A BAYONET-SLOT WITHIN SAID INNER WALL AND INCLUDING A CAM-LIKE DOWNWARDLY PRESENTED SHOULDER AND AN UPWARDLY EXTENDING ENTRANT OPENING, A HOLLOW CAP MEMBER HAVING AN OUTER CYLINDRICAL WALL WHOSE DIAMETER IS LESS THAN THAT OF THE INNER WALL OF THE BASE MEMBER AND HAVING A BAYONET LUG PORTION PROJECTING FROM SAID OUTER CYLINDRICAL WALL, AN INTEGRAL TEAR STRIP CONNECTING THE CAP ABOVE AND TO THE BASE MEMBER, THE TEAR STRIP INCLUDING A FRANGIBLE WEB-LIKE PORTION EXTENDING RADIALLY OUTWARD THEREFROM WITHIN THE TOP SURFACE OF THE BASE MEMBER AND THERE COVERING SAID ENTRANT OPENING, WHEREBY UPON REMOVAL OF THE TEAR STRIP THE WEB-LIKE PORTION COVERING THE ENTRANT OPENING IS REMOVED, THUS PERMITTING THE BAYONET LUG PORTION OF THE CAP TO ENGAGE THE BAYONET SLOT OF THE BASE.