Plastic coated container

Claim 1

A GABLE-TOP CONTAINER FORMED FROM A BLANK OF PAPERBOARD HAVING A POLYETHYLENE COATING COVERING EACH SURFACE THEREOF AND COMPRISING A TUBULAR BODY HAVING A BOTTOM CLOSURE THEREON, A PAIR OF OPPOSED ROOF PANELS INCLINED TOWARD EACH OTHER AND OVERLYING SAID BODY, A PAIR OF OPPOSED TRIANGULAR END PANELS IN-FOLDED BETWEEN SAID ROOF PANELS FROM THE OPPOSITE GABLE ENDS FORMED BY THE LATTER, TWO PAIRS OF TRIANGULAR FOLD-BACK PANELS EACH PAIR OF WHICH IS INTEGRAL WITH A RESPECTIVE ONE OF SAID INFOLDED TRIANGULAR END PANELS ALONG FOLD LINES WHICH ARE SUBSTANTIALLY IN CONTACT WITH SAID ROOF PANELS, SAID FOLDBACK PANELS BEING FOLDED AGAINST THE UNDERSIDES OF SAID ROOF PANELS, A PAIR OF SIDE RIB PANEL EACH INTEGRAL WITH AND SURMOUNTING A RESPECTIVE ROOF PANEL, TWO PAIRS OF END RIB PANELS, EACH END RIB PANEL BEING INTEGRAL WITH AND SURMOUNTING A RESPECTIVE FOLD-BACK PANEL, THE END RIB PANELS OF EACH PAIR BEING FOLDED TO LIE AGAINST EACH OTHER AND TO LIE AGAINST THE INNER SURFACE OF A RESPECTIVE SIDE RIB PANEL, THE HEIGHT OF SAID END RIB PANELS BEING LESS THAN THE HEIGHT OF SAID SIDE RIB PANELS, SAID RIB PANELS DEFINING A CENTRAL LAMINAR TOP RIB DIVIDED LONGITUDINALLY INTO A FIXED PORTION AND A MOVABLE PORTION, A SANTIARILY PROTECTED EXTENSIBLE POURING SPOUT HOUSED IN COLLAPSED CONDITION WITHIN SAID CONTAINER AND DEFINED IN PART BY ONE OF SAID TRIANGULAR END PANELS, AN ADJACENT PAIR OF SAID FOLD-BACK PANELS AND AN ADJACENT PAIR OF SAID END RIB PANELS, SAID SPOUT ALSO BEING DEFINED BY ADJACENT PORTIONS OF SAID ROOF PANELS AND SIDE RIB PANELS, SAID RIB PANELS BEING ADAPTED TO BE SEALED TOGETHER TO FORM A LIQUID-TIGHT SEAL BY THE APPLICATION OF HEAT AND PRESSURE THERETO TO BOND TOGETHER THE CONTACTING POLYETHYLENE COATED SURFACES THEREOF, AND MEANS TO FACILITATE OPENING OF SAID SPOUT INTO SAID EXTENDED CONDITION THEREOF COMPRISING AN ADHESIVE COATING COVERING SUBSTANTIALLY THE ENTIRE INNER AND OUTER SURFACE AREAS OF SAID ADJACENT PAIR OF END RIB PANELS EXCEPT OF A NARROW STRIP ALONG THE LINE OF JUNCTURE BETWEEN SAID ADJACENT PAIR OF END RIB PANELS AND SAID RESPECTIVE SIDE RIB PANELS, AND AN ADHESIVE COATING COVERING A SELECTED AREA ON THE INNER SURFACE OF EACH OF SAID SIDE RIB PANELS, SAID SELECTED AREA ON EACH OF SAID SIDE RIB PANELS INCLUDING SUBSTANTIALLY THE ENTIRE AREA OF CONTACT OF SAID SIDE RIB PANELS AND SAID ADJACENT END RIB PANELS AND A STRIP OF CONTACT BETWEEN SAID SIDE RIB PANELS LOCATED ABOVE SAID ADJACENT END RIB PANELS BUT BENEATH THE UPPER EDGES OF SAID SIDE RIB PANELS.