Top-opening carton having an unique end flap arrangement

Claim 2

A top-opening paperboard carton having a bottom panel; a front wall hingedly connected to one edge of the bottom panel; a rear wall hingedly connected along one edge thereof to the opposite edge of the bottom panel; a top panel hingedly connected to the opposite edge of the rear wall; a front panel hingedly connected to the top panel and overlapping the front wall; detachable carton opening means adhesively affixing the front panel to the front wall; rear wall end flaps each hingedly connected to the rear wall and comprising a main section and a tear-out section; top panel end flaps each hingedly connected along one edge thereof to the top panel and provided with a downwardlyprotruding extension at the edge thereof opposite that hingedly connected to the top panel; front wall end flaps each hingedly connected to the front wall, comprising a main section and a tear-out section, and provided with an opening in the main section adjacent to the tear-out section; bottom panel end flaps each hingedly connected to the bottom panel and constituting one layer of end walls for the carton; each of said top panel end flaps overlapping a bottom panel end flap; said front wall end flaps and rear wall end flaps overlapping the bottom panel end flaps and the top panel end flaps, and the main section thereof being adhesively attached to a bottom panel end flap and the tear-out section thereof being adhesively attached to a top panel end flap; and said opening in the main section of the front wall end flap being situated below said extension and spaced from the edges of the front wall end flap.

Claim 3

The top-opening paperboard carton of claim 1 wherein at least one portion of the top panel end flap protrudes beyond a tear-out section of at least one of said overlapping front wall end flap or rear wall end flap and the protruding portion is received in pocket defined by one of the front wall end flap and rear wall end flap and by the bottom panel end flap.

Claim 4

The top-opening paperboard carton of claim 2 wherein a line of weakening is provided in the top panel end flap delineating the protruding portion so as to facilitate the insertion thereof in said pocket.

Claim 5

The top-opening paperboard carton of claim 1 wherein the tear-out section of the front wall end flap is provided with a pull-up tab contiguous to the opening in the main section.

Claim 6

An integral paperboard blank for forming a top-opening carton cut and scored to provide a bottom panel; a front wall hingedly connected to one edge of the bottom panel; a rear wall hingedly connected along one edge thereof to the opposite edge of the bottom panel; a top panel hingedly connected to the opposite edge of the rear wall; a front panel hingedly connected to the top panel and adapted to overlap the front wall; detachable carton opening means in the front panel adapted for adhesive affixation of the front panel to the front wall; bottom panel end flaps each hingedly connected to the bottom panel and adapted to constitute one layer of end walls for the carton; rear wall end flaps each hingedly connected to the rear wall and comprising a main section and a tear-out section; top panel end flaps each hingedly connected along one edge thereof to the top panel and provided with a downwardly-protruding extension at the edge thereof opposite that hingedly connected to the top panel; front wall end flaps each hingedly connected to the front wall, comprising a main section and a tear-out section, and provided with an opening in the main section adjacent to the tear-out section; and said front wall end flaps and rear wall end flaps being adapted to overlap the bottom panel end flaps and the top panel end flaps, the main section thereof being adapted to adhesive affixation to a bottom panel end flap, the tear-out section thereof being adapted for adhesive affixation to a top panel end flap, and said opening in the main section of the front wall end flap being situated so that the opening is positioned below said extension when the front wall end flaps overlap the top panel end flaps and spaced from the edges of said front wall end flap.

Claim 7

An integral paperboard blank for forming a top-opening carton cut and scored to provide a bottom panel; a front wall hingedly connected to one edge of the bottom panel; a rear wall hingedly connected along one edge thereof to the opposite edge of the bottom panel; a top panel hingedly connected to the opposite edge of the rear wall; a front panel hingedly connected to the top panel and adapted to overlap the front wall; detachable carton opening means in the front panel adapted for adhesive affixation of the front panel to the front wall; bottom panel end flaps each hingedly connected to the bottom panel and adapted to constitute one layer of end walls for the carton; rear wall end flaps each hingedly connected to the rear wall and comprising a main section and a tear-out section; top panel end flaps each hingedly connected along one edge thereof to the top panel and provided with a downwardly-protruding extension at the edge thereof opposite that hingedly connected to the top panel; front wall end flaps each hingedly connected to the front wall, comprising a main section and a tear-out section, and provided with an opening in the main section adjacent to the tear-out section; and said front wall end flaps and rear wall end flaps being adapted to overlap the bottom panel end flaps and the top panel end flaps, the main section thereof being adapted to adhesive affixation to a bottom panel end flap, the tear-out section thereof being adapted for adhesive affixation to a top panel end flap, and said opening in the main section of the front wall end flap being situated so that the opening is positioned below said extension when the front wall end flaps overlap the top panel end flaps and spaced from the edges of said front wall end flap.

Claim 8

The integral paperboard blank of claim 5 wherein at least one portion of the top panel end flap is adapted to protrude beyond a tear-out section of at least one of said overlapping front wall end flap or rear wall end flap and the protruding portion is adapted to be received in a pocket defined by at least one of the front wall end flap and rear wall end flap and by the bottom panel end flap.

Claim 9

The integral paperboard blank of claim 6 wherein a line of weakening is provided in the top panel end flap delineating the protruding portion so as to facilitate the removal thereof from said pocket.

Claim 10

The integral paperboard blank of claim 5 wherein the tear-out section of the front wall end flaps is provided with a pull-up tab contiguous to the opening in the main section.

Claim 11

The top-opening paperboard carton of claim 2 wherein twO portions of the top panel end flap protrude one beyond a tear-out of said overlapping front wall end flap and one beyond said overlapping rear wall end flap, and wherein one protruding portion is received in a pocket defined by the front wall end flap and the bottom panel end flap, and the other received in a pocket defined by the rear wall end flap and by the bottom panel end flap.

Claim 12

The integral paperboard blank of claim 6 wherein in the erected carton two portions of the top end flap protrude one beyond a tear-out section of said front wall end flap and one beyond said overlapping rear wall end flap, and wherein one protruding portion is received in a pocket defined by the front wall end flap and the bottom panel end flap, and the other received in a pocket defined by the rear wall end flap and by the bottom panel end flap.