Window carton

Claim 2

A paperboard carton having a generally rectangular crosssection which comprises opposed front and rear walls, opposed end walls, an upper panel and a lower panel, hingedly interconnected to one another at corresponding adjacent edges and one of said panels being provided with a window opening at a distance less than the height of said carton from an edge of the panel; and each wall having an edge within a distance of less than the height of said carton from said window opening having at least three thicknesses of paperboard extending the full length of the wall.

Claim 3

The paperboard carton in accordance with claim 1 wherein said window opening extends to the edge of said front wall and wherein said front wall is made up of three coextensiVe flaps adhesively attached to one another.

Claim 4

The paperboard carton in accordance with claim 1 wherein said window opening extends to an edge of said front wall; wherein a first front wall flap is hingedly connected to said top panel; wherein a second front wall flap is hingedly connected to said bottom panel; wherein a reinforcing flap is hingedly connected to said second front wall flap, is inwardly folded back against said second front wall flap and adhesively attached thereto; and wherein said reinforcing flap overlies said first front wall flap and is adhesively attached thereto; said first and second front wall flaps and said reinforcing flap being substantially coextensive and together forming said front wall.

Claim 5

The paperboard carton in accordance with claim 1 wherein said window opening extends to an edge of said front wall; wherein a first front wall flap is hingedly connected to said top panel; wherein a reinforcing flap is hingedly connected to said first front wall flap, is inwardly folded back against said first front wall flap and adhesively attached thereto; wherein a second front wall flap is hingedly connected to said bottom panel; and wherein said reinforcing flap overlies said second front wall flap and is adhesively attached thereto; said first and second front wall flaps and said reinforcing flap being substantially coextensive and together forming said front wall.

Claim 6

The paperboard carton in accordance with claim 1 wherein said window opening is covered with a transparent sheet material.

Claim 7

The paperboard carton in accordance with claim 1 wherein the paperboard thickness is less than about 0.012 inches.

Claim 8

An integral paperboard blank for a carton having a generally rectangular cross-section, cut and scored to provide a rear wall; a pair of opposed panels hingedly connected to said rear wall along opposite longitudinal edges of said rear wall; panel end flaps hingedly connected to each panel; rear wall end flaps hingedly connected to said rear wall; a first front wall flap hingedly connected to one of said panels along a longitudinal edge thereof; a second front wall flap having end flaps hingedly connected to the other of said panels along a longitudinal edge thereof; and a reinforcing flap substantially coextensive with said second front wall flap and hingedly connected thereto; said first and second front wall flaps being substantially coextensive and being adapted for adhesive affixation to opposite sides of said reinforcing flap, and one of said panels being provided with a window opening at a distance less than the width of said front wall flaps from the edge of the panel adjacent to a front wall flap.

Claim 9

An integral paperboard blank for a carton having a generally rectangular cross-section, cut and scored to provide a rear wall; a pair of opposed panels hingedly connected to said rear wall along opposite longitudinal edges of said rear wall; panel end flaps hingedly connected to each panel; rear wall end flaps hingedly connected to said rear wall; a first front wall flap hingedly connected to one of said panels along a longitudinal edge thereof; a second front wall flap having end flaps hingedly connected to the other of said panels along a longitudinal edge thereof; and a reinforcing flap substantially coextensive with said second front wall flap and hingedly connected thereto; said first and second front wall flaps being substantially coextensive and being adapted for adhesive affixation to opposite sides of said reinforcing flap, and one of said panels being provided with a window opening at a distance less than the width of said front wall flaps from the edge of the panel adjacent to a front wall flap.

Claim 10

The integral paparboard blank in accordance with claim 7 wherein said window opening extends to the edge of the adjacent front wall flap.

Claim 11

The integral paperboard blank in accordance with claim 7 wherein said window opening is provided in the panel adjacent to said first front wall flap and extends to the edge of said first front wall flap.

Claim 12

The integral paperboard blank in accordance with claim 7 wherein said window opening is provided in the panel adjacent to said second front wall flap and extends to the edge of said second front wall flap.

Claim 13

The integral paperboard blank in accordance with claim 7 wherein said window opening is covered with a transparent sheet material.

Claim 14

The integral paperboard blank in accordance with claim 7 wherein the paperboard thickness is less than about 0.012 inches.