Easy opening container

• US 3,185,382 A
• Filed: 08/29/1963
• Issued: 05/25/1965
• Est. Priority Date: 08/29/1963
• Status: Expired due to Term

• Current Assignee: Frank C. Nunn
• Original Assignee: Frank C. Nunn
• Inventors: Nunn, Frank C.
• Application Number:
  US04/305,332
• Time in Patent Office: 635 Days
• US Class Current: 229/246
• CPC Class Codes: B65D 5/0227 with end closures formed by inward folding of flaps and securing them by heat-sealing, by applying adhesive to the flaps or by staples
• CPC Class Codes: B65D 5/0281 the tubular body presenting double or multiple walls for thermal insulating purposes B65D81/3853

Claims

1. AN EASY OPENING TRAY-FORMING CONTAINER HAVING IN COMBINATION:

(A) TWO PAIRS OF MARGINALLY CONNECTED AND ALTERNATING END WALLS AND SIDE WALLS, AND BOTTOM AND TOP CLOSURES;

(B) EACH OF SAID CLOSURES COMPRISING SUBSTANTIALLY RECTANGULAR AND FULL WIDTH END FLAPS HINGED TO AND EXTENDING FROM THE SAID END WALLS, RESPECTIVELY, INWARDLY FOLDED TOWARD ONE ANOTHER SO AS TO LIE IN THE SAME PLANE, AND EQUALLY SIZED RECTANGULAR SIDE FLAPS HINGED TO AND EXTENDING FROM THE SIDE WALLS, RESPECTIVELY, INWARDLY FOLDED IN OVERLAPPING RELATIONSHIP WITH SAID END FLAPS AND ADHESIVELY UNITED THEREWITH, EACH OF SAID FLAPS HAVING A DIMENSION FROM HINGE LINE TO DISTAL END WHICH APPROXIMATES ONE-HALF OF THE WIDTH OF THE SAID END WALLS, SAID SIDE FLAPS IN THE INWARDLY FOLDED CONDITION BEING COPLANAR AND THE DISTAL ENDS THEREOF CONTIGUOUS;

(C) THE ENDS OF THE BLANK FORMING SAID CONTAINER LYING WITHIN THE CONFINES OF ONE OF SAID END WALLS AND THEREBY DIVIDING SAID ONE END WALL INTO TWO PORTIONS, EACH OF WHICH HAS A PAIR OF OPPOSITELY DISPOSED END FLAPS CONNECTED THEREWITH, THE COMBINED WIDTHS OF SAID END WALL PORTIONS BEING APPROXIMATELY EQUAL TO THAT OF THE OTHER SAID END WALL, THE END WALL PORTION AT ONE END OF THE BLANK HAVING A FULL LENGTH FLAP EXTENDING THEREFROM WHICH OVERLIES AND IS REMOVABLY SECURED TO THE OTHER END OF THE BLANK, THE BALANCE OF THE END EDGES OF SAID BLANK BEING BUTTED AGAINST ONE ANOTHER;

(D) THE LINE OF THE ABUTTING EDGES OF SAID ENDS OF THE BLANK BEING LOCATED IN A POSITION REMOVED FROM THE CENTER LINE OF THE SAID ONE END WALL SO THAT ONE END WALL PORTION IS WIDER THAN THE OTHER;

(E) THE END FLAPS EXTENDING FROM THE OTHER OF SAID END WALLS BEING SLOTTED ALONG LINES PERPENDICULAR TO THE FLAP HINGE LINES, EACH OF SAID SLOTS EXTENDING FROM THE OUTER FLAP EDGE TO A POINT SHORT OF THE RESPECTIVE FLAP HINGE LINE, SAID SLOTS BOTH LYING IN SUBSTANTIALLY THE SAME PLANE AS THE ABUTTING END EDGES OF SAID BLANK LOCATED IN THE OPPOSITELY DISPOSED END FLAPS WHEN THE CONTAINER IS IN USE.