Fragile article cartons

Claim 1

A COLLAPSIBLE SINGLE BLANK CARTON OF RECTANGULAR CROSS SECTION HAVING NINE LONGITUDINALLY EXTENDING HINGEDLY INTERCONNECTED PANELS, SAID NINE PANELS INCLUDING SUCCESSIVELY FIRST, SECOND, THIRD, FOURTH AND FIRST LAP PANELS WOUND IN A PREDETERMINED DIRECTION TO FORM THE OUTER WALL OF THE CARTON WITH THE FIRST LAP PANEL ADHERED TO THE INNER FACE OF THE FIRST PANEL ADJACENT ITS FREE EDGE, THE REMAINING FOUR SUCCESSIVE PANELS BEING REVERSELY WOUND AND INCLUDING A FIRST CUSHION PANEL, A SECOND LAP PANEL, A SECOND CUSHION PANEL, AND AN END LAP PANEL, SAID SECOND LAP PANEL BEING ADHERED TO THE LONGITUDINAL CENTRAL PORTION OF SAID THIRD PANEL AND SAID END LAP PANEL BEING ADHERED TO THE LONGITUDINAL CENTRAL PORTION OF SAID FIRST PANEL, SAID CUSHION PANELS HAVING A TRANSVERSE SPAN SUBSTANTIALLY EQUAL TO THE SPAN BETWEEN SAID FIRST AND THIRD PANELS WHEN THE CARTON IS IN ERECTED CONDITION, SAID BLANK HAVING A SMOOTH OUTER LINER WHICH PROVIDES A SMOOTH PRODUCT ENGAGING SURFACE IN THE INNER CELL FORMED BY SAID REMAINING FOUR PANELS, SAID CUSHION PANELS HAVING CENTRAL LONGITUDINAL CREASE LINES OF PREDETERMINED WIDTH FORMING GROOVES IN THE OPPOSED INNER FACES OF THE CUSHION PANELS FOR INSURING OUTWARD FLEXING OF SLIGHTLY OVERSIZE CUSHION PANELS AND WIDTH ELONGATION OF SLIGHTLY UNDERSIZE CUSHION PANELS, THE INLET ENDS OF SAID CREASE LINES FORMING A FUNNEL FOR CENTRALLY GUIDING A PRODUCT INTO THE CARTON.