Crown cap

• US 3,281,001 A
• Filed: 02/14/1964
• Issued: 10/25/1966
• Est. Priority Date: 02/14/1964
• Status: Expired due to Term

• Current Assignee: American National Can Corp (Ball Corporation)
• Original Assignee: Robert Stuart
• Inventors: ROBERT STUART
• Application Number:
  US04/345,019
• Time in Patent Office: 984 Days
• US Class Current: 215/254
• CPC Class Codes: B65D 41/42 made of relatively-stiff metallic material, e.g. crown caps

Claims

1. A CROWN CAP COMPRISING A BODY HAVING A CROWN AND A PERIPHERAL SKIRT SURROUNDING AND PROJECTING FROM THE CROWN, SAID SKIRT FORMING A CONTINUOUS HOOP DISTENDABLE RADIALLY INWARDLY INTO GRIPPING ENGAGEMENT UNDER A BEAD ON A CONTAINER NECK TO HOLD THE CAP IN PLACE ON THE CONTAINER NECK, AND SAID BODY HAVING TEAR TABS TO FACILITATE REMOVAL OF THE CAP FROM THE CONTAINER NECK, SAID TABS PROJECTING FROM ADJACENT TO THE BASE OF THE SKIRT TOWARD THE CROWN AND EACH BEING DEFINED BY A GENERALLY U-SHAPED SLIT IN THE BODY WITH THE BRIGHT OF THE U ADJACENT TO THE JUCTURE OF THE SKIRT AND CROWN, ONE OF SAID TERMINAL POINTS BEING CLOSER TO THE BASE OF THE SKIRT THAN THE OTHER, SAID BIGHT INCLUDING A PORTION THEREOF THAT EXTENDS WITHIN THE SKIRT LATERALLY OF THE SIDE OF THE TAB THAT IS DEFINED BY THAT PORTION OF THE SLIT THAT TERMINATES CLOSEST TO THE FREE END OF THE SKIRT TO DEFINE A TAB WING EXTENDING CIRCUMFERENTAILLY OF THE SKIRT ONLY FROM SAID LAST-MENTIONED SIDE OF THE TAB AND ADJACENT TO SAID CROWN TO FACILITATE TEARING OF THE TAB BY INITIATING A PULL ON THE TAB WING AND THEN PULLING THE TAB RADIALLY AND CIRCUMFERENTIALLY, THEREBY TO BREAK THE SKIRT IN THE REGION OF THE SKIRT BETWEEN SAID FREE END AND SAID CLOSET TERMINAL POINTS WHILE LEAVING THE TAB ATTACHED TO THE SKIRT IN THE REGION OF SAID OTHER TERMINAL POINTS.