Figure 4 corner post

Claim 1

A VERTICAL CORNER POST MADE OF CORRUGATED PAPERBOARD FOR INSERTION INTO THE CORNERS OF A STRAIGHT SIDED FLEXIBLE CONTAINER AND ADAPTED FOR CUSHIONING THE STRAIGHT CORNERS AND EDGES OF PACKAGED BULKY HEAVY ARTICLES ALONG THE FULL HEIGHT THEREOF IN PAPERBOARD AND WOODEN BOXES AND ALSO ADAPTED FOR THE STACKING OF THE PACKAGED ARTICLES ON EACH OTHER WITHOUT DAMAGING THE CONTAINER, SAID POST HAVING AN OUTER COVERING OF CORRUGATED PAPERBOARD IN THE CROSS SECTION OF THE NUMBER 4 WITH TWO BOTTOM FLAPS FORMING THE BASE OF THE 4 AND A LENGTH WHICH RUNS THE FULL HEIGHT OF THE CONTAINER, THE LONGEST STRAIGHT SIDE OF SAID NUMBER 4 CROSS SECTION SHAPE COMING IN FACE-TO-FACE CONTACT WITH THE INNER SIDE OF THE CONTAINER WITH THE UPPER VERTEX OF 4 CROSS SECTION SHAPE EXTENDING INTO THE INNER CORNER OF SAID CONTAINER SIDE WITH THE CORNER OF THE ARTICLE BEARING AGAINST BOTH THE INNER BOTTOM FLAP OF 4 CROSS SECTION AND THE BOTTOM OF THE ANGULAR UPPER FACE OF THE 4-SHAPE SO THAT ANY SHIFTING POSITION OF THE CORNER OF THE ARTICLE WILL WEDGE THE BACK FACE AND THE TOP VERTEX OF THE 4 CROSS SECTION INTO THE INNER CORNER OF THE CONTAINER, SAID BOTTOM FLAPS BEING ADHERED TO AND SEPARATED BY A PLURALITY OF LAMINATED STRIPS RUNNING THE LENGTH OF SAID POST AND FORMING A RECTANGULAR CROSS SECTION AT THE BASE OF THE 4, SAID RECTANGULAR CROSS SECTION HAVING A WIDTH WHICH IS AT LEAST ABOUT 40% OF THE HEIGHT OF THE BOTTOM FLAP WHEREBY THE MAJOR VERTICAL SUPPORT IS PROVIDED ON THE EDGES OF SAID LAMINATED REINFORCING STRIPS.