Frozen food carton

Claim 2

A carton formed out of a single blank comprising: a horizontally disposed bottom panel; vertically disposed and coextensive front, back and side panels hingedly connected to said bottom panel to form a rectangular tray portion defining a receptacle adapted to retain a commodity therein; a narrow flap hingedly connected to the top free edge of each of said front and side panels, each of said flaps having a vertical width substantially less than the vertical width of each of said front, back and side panels; and a rectangular and impervious cover panel hingedly connected to a top, free edge of said back panel and having outer corners defined by three straight intersecting free edges and further having a length and a width substantially the same as the respective length and width of said bottom panel to be coextensive therewith, said cover panel superimposed over all of said narrow flaps and adhesively secured solely to said narrow flaps to form a tightly sealed carton closure.

Claim 3

The invention of claim 1 further comprising tear means formed in said cover panel defining a removable flap thereon terminating at a free end thereof adjacent to said front panel.

Claim 4

The invention of claim 2 wherein said tear means comprises two pairs of limited depth cuts formed on opposite sides of said cover panel, said pairs of cuts arranged to converge toward said front panel to define a triangularly shaped flap.

Claim 5

The invention of claim 2 further comprising means formed in said front panel and the narrow flap connected thereto defining a removable tab positioned to be secured to the free end of said flap to facilitate opening thereof.

Claim 6

The invention of claim 4 further comprising spaced cutouts formed on the free end of said cover panel to define a tab thereat positioned to be secured to said removable tab.

Claim 7

The invention of claim 5 further comprising spaced protuberances formed on a free edge of the narrow flap connected to said front panel and each positioned thereon to be aligned with a respective one of said cutouts to increase the sealing area thereat when said cover panel is adhesively secured to the last-mentioned narrow flap.

Claim 8

The invention of claim 1 further comprising a gusset fold connected between each of the four pairs of adjacent front, back and side panels, each gusset fold connected by a vertically disposed Scoreline to one of said panels and being substantially coextensive therewith.

Claim 9

The invention of claim 1 wherein the narrow flap connected to said front panel is superimposed over substantially small end portions of the narrow flaps connected to said side panels and secured thereto.

Claim 10

A carton blank cut and scored to comprise a rectangular bottom panel, front, back and side panels hingedly connected to edges of said bottom panel, a web hingedly connected by scorelines between each of the four pairs of adjacent front, back and side panels, each of said webs having a scoreline formed thereon and approximately disposed at a 45* angle relative to each one of the scorelines hingedly connecting each one of its connecting pair of panels, a narrow flap hingedly connected to a free edge of each of said front and side panels, each of said flaps having a width substantially less than the width of each of said front, back and side panels, and a rectangular and impervious cover panel hingedly connected to a free edge of said back panel and having outer corners defined by three straight intersecting free edges and further having a length and width substantially the same as the respective length and width of said bottom panel to be coextensive therewith so that upon erection of said carton said cover panel is superimposed over all of said narrow flaps and adhesively secured solely to said narrow flaps to form a tightly sealed carton closure.

Claim 11

A carton blank cut and scored to comprise a rectangular bottom panel, front, back and side panels hingedly connected to edges of said bottom panel, a web hingedly connected by scorelines between each of the four pairs of adjacent front, back and side panels, each of said webs having a scoreline formed thereon and approximately disposed at a 45* angle relative to each one of the scorelines hingedly connecting each one of its connecting pair of panels, a narrow flap hingedly connected to a free edge of each of said front and side panels, each of said flaps having a width substantially less than the width of each of said front, back and side panels, and a rectangular and impervious cover panel hingedly connected to a free edge of said back panel and having outer corners defined by three straight intersecting free edges and further having a length and width substantially the same as the respective length and width of said bottom panel to be coextensive therewith so that upon erection of said carton said cover panel is superimposed over all of said narrow flaps and adhesively secured solely to said narrow flaps to form a tightly sealed carton closure.

Claim 12

The invention of claim 9 further comprising tear means formed in said cover panel defining a triangularly-shaped removable flap thereon arranged to converge toward a free edge of said top panel.

Claim 13

The invention of claim 10 further comprising means formed in said front panel and the narrow flap connected thereto defining a removable tab positioned to be secured to a free end of said flap to facilitate opening thereof when said blank is formed into a closed carton.

Claim 14

The invention of claim 9 comprising a plurality of said carton blanks arranged in nesting relationship with respect to each other with two blanks each having a side edge of the cover panel thereof abutting a side edge of a narrow flap of the other blank and with webs of the two blanks disposed in nesting relationship.