Protective carton structure

Claim 1

A ONE-PIECE SHEET MATERIAL CARTON FOR PACKAGING AN ARTICLE SUCH AS A BOOK HAVING A PREDETERMINED WIDTH, THICKNESS AND OVERALL LENGTH, SAID CARTON COMPRISING SPACED APART AND OPPOSING FIRST AND SECOND PANELS HAVING A WIDTH SIMILAR TO SAID PREDETERMINED WIDTH RESPECTIVELY OVERLYING OPPOSITE SIDES OF SAID ARTICLE, SAID FIRST PANEL HAVING A LENGTH SIMILAR TO AND SLIGHTLY GREATER THAN SAID PREDETERMINED OVERALL LENGTHS, OPPOSITE END PANELS INTEGRALLY ARTICULATED ALONG SCORED BEND LINES TO OPPOSITE END EDGES OF SAID FIRST PANEL AND EXTENDING GENERALLY PERPENDICULARLY THEREFROM TOWARDS SAID SECOND PANEL FOR TRAVERSING OPPOSITE ENDS OF SAID ARTICLE, SAID END PANELS BEING SUBSTANTIALLY IMPERFORATE AND COMPLETELY ENCLOSING THE ARTICLE THEREBETWEEN, FLAPS RESPECTIVELY INTEGRALLY ARTICULATED TO SAID OPPOSITE END PANELS AND EXTENDING TOWARD AND TERMINATING SHORT OF EACH OTHER WITHIN SAID SECOND PANEL AND COMBINING WITH SAID SECOND PANEL IN PROVIDING A DOUBLE THICKNESS OF MATERIAL ALONG THE ADJACENT SIDES OF SAID ARTICLE, A SIDE PANEL INTEGRALLY ARTICULATED ALONG SCORED BEND LINES OF FIRST SIDE EDGES OF BOTH SAID FIRST AND SECOND PANELS FOR OVERLYING AN EDGE OF SAID ARTICLE, A SECOND SIDE EDGE OF SAID FIRST PANEL BEING ENTIRELY FREE AND PROVIDING A TERMINAL EDGE OF THE CARTON, ANOTHER SIDE PANEL INTEGRALLY ARTICULATED TO AN OPPOSITE SECOND SIDE EDGE OF SAID SECOND PANEL AND EXTENDING TOWARD SAID FIRST PANEL FOR OVERLYING AN OPPOSITE SIDE EDGE OF SAID ARTICLE, AN ADDITIONAL PANEL OVERLYING AND ABUTTING SAID FIRST PANEL AND INTEGRALLY ARTICULATED TO SAID SECOND MENTIONED SIDE PANEL, SAID SECOND PANEL, SAID SIDE PANELS AND ADDITIONAL PANEL EACH HAVING A LENGTH GREATER THAN SAID LENGTH OF THE FIRST PANEL AND INCLUDING OPPOSITE END PORTIONS PROJECTING OUTWARDLY OF SAID OPPOSITE END PANELS FOR PROTECTING SAID OPPOSITE END PANELS AND END OF THE ARTICLE FROM INJURY, SAID FLAPS AND SAID END PANELS HAVING COMPLETELY FREE AND EXPOSED SIDE EDGES GENERALLY ALIGNED WITH THE FIRST AND SECOND SIDE EDGES OF SAID FIRST PANEL, SAID ADDITIONAL PANEL HAVING A COMPLETELY FREE AND EXPOSED SIDE EDGE OPPOSITELY FROM SAID SECOND SIDE PANEL AND ADJACENT SAID FIRST SIDE PANEL, AND ADHESIVE MEANS ON AN INNER SURFACE OF SAID ADDITIONAL PANEL ADJACENT SAID FREE AND EXPOSED SIDE EDGE THEREOF AND ADHESIVELY SECURING ADDITIONAL PANEL TO SAID FIRST PANEL.