Package for liquid coating material

Claim 1

AN IMPROVED PACKAGE FOR LIQUID COATING MATERIAL COMPRISING A CONTAINER AND A LINER, THE CONTAINER HAVING AN OPENING, THE OPENING HAVING A DIMENSION APPROACHING THE DIAMETER OF THE CONTAINER, A CLOSURE ADAPTED TO SEAL THE OPENING IN A MANNER TO PROTECT THE CONTENTS FROM AN ATMOSPHERE SURROUNDING THE CONTAINER, THE IMPROVEMENT WHICH COMPRISES A LINER IN THE FORM OF A BAG FORMED OF A PLASTIC FILM WHICH IS IMPERMEABLE TO THE COATING LIQUID, THE BAG HAVING A GENERAL FORM OF A TUBE CLOSED AT ONE END; THE TUBE HAVING A CIRCUMFERENTIAL DIAMETER GREATER THAN THE CIRCUMFERENTIAL DIAMETER OF THE CONTAINER IN A PLANE GENERALLY PARALLEL TO THE OPENING OF THE CONTAINER, THE TUBE BEING OF SUFFICIENT LENGTH SO THAT THE CLOSED END OF THE TUBE IS POSITIONED AGAINST AN INNER WALL OF THE CONTAINER REMOTE FROM THE OPENING, THE BAG CONTAINS A QUANTITY OF COATING LIQUID WHICH ON EXPOSURE TO AIR FORMS A CONTINUOUS PROTECTIVE FILM, SAID LIQUID APPROXIMATES THE VOLUME OF THE CONTAINER AND PROVIDES A GAS SPACE SUFFICIENT TO PERMIT THEREIN EXPANSION OF THE LIQUID WITHOUT RUPTURE OF THE BAG OR CONTAINER OR DISPLACEMENT OF THE CLOSURE, THE TUBE HAVING SUFFICIENT LENGTH THAT THE OPEN END THEREOF MAY BE FOLDED OUTWARDLY AND DOWNWARDLY ABOUT THE MAJOR SURFACE OF THE CONTAINER, THE TUBE BEING RELEASABLY SEALED ABOUT THE COATING LIQUID AT A LOCATION GENERALLY ADJACENT THE UPPER SURFACE OF THE LIQUID WHEN THE OPENING IS UPPERMOST AND THE REMAINING PORTION OF THE TUBE BEING FOLDED OVER THE RELEASABLY SEALED PORTION OF THE TUBE AND MAINTAINED IN POSITION BY THE CLOSURE AND THE PLASTIC FILM BAG HAS A STIFFENED PORTION DISPOSED ADJACENT TO ITS OPEN END, THE STIFFENED PORTION ADAPTED TO BE FOLDED UPON ITSELF AND FORM AN UPWARDLY FACING CUFF DISPOSED EXTERNALLY TO THE CONTAINER WHEN THE PACKAGE IS OPEN AND THE CONTENTS ARE BEING REMOVED THEREFROM.