Two compartment carryout carton

• US 4,694,987 A
• Filed: 11/19/1986
• Issued: 09/22/1987
• Est. Priority Date: 11/19/1986
• Status: Expired due to Term

• Current Assignee: Meadwestvaco (WestRock Company)
• Original Assignee: Westvaco Corporation (Meadwestvaco Corporation)
• Inventors: Forbes, Hampton E. Jr.
• Primary Examiner(s): Marcus, Stephen
• Assistant Examiner(s): Elkins, Gary E.
• Application Number:
  US06/932,307
• Time in Patent Office: 307 Days
• Field of Search: 229/15, 229/27, 229/112-114, 229/127, 229/143, 229/146, 229/149, 229/902, 229/904, 229/44 R, 229/2.5 EC, 217/26.5
• US Class Current: 229/114
• CPC Class Codes: B65D 5/48002 integral
• CPC Class Codes: B65D 5/6629 the lid being formed by two mating halves joined to opposite edges of the container body
• CPC Class Codes: Y10S 229/902 Box for prepared or processed food

Abstract

A carryout carton for food products comprises a single tray element with a pair of integral lid members. A first locking means is provided for securing one lid member to the bottom wall of the tray and a second locking means is provided for securing the second lid to the first lid. The first locking means comprises a first locking tab formed by a flap element attached to an extension of the front wall of the first lid and a first locking slot formed in the bottom wall of the tray. The second locking means comprises a second locking tab formed by an extension of the front wall of the second lid and a second locking slot formed in the front wall of the first lid member.

Claims

1. In a carton comprising a single tray and a pair of lid members, said tray having a bottom wall and trapezoidal shaped upstanding side walls with upper edges and said lid members having trapezoidal shaped, downwardly extending side walls, rear walls and front walls, one of said front walls being extended below the upper edges of the tray side walls into the tray to form a front wall ceiling, means for foldably attaching the rear walls of said lid members to opposed side walls of the tray, a flap element foldably connected along a fold line to the front wall extension of one of the lid members, and flap element having a free leading edge and a trailing edge defined by its foldable connection to the front wall extension, means for releasably connecting the front wall of one lid member to the front wall of the other lid member, and a locking means between the bottom wall of the tray and the flap element attached to said front wall extension, said locking means including a male locking tab integral with the flap element cut from the extended front wall material, and a female locking slot of substantially rectangular shape cut from the tray bottom wall material.

2. The carton of claim 1 wherein the male locking tab extends from the trailing edge of the flap attached to said extended front wall and is defined by a cut line substantially centrally located from side-to-side, the ends of which terminate at the fold line between said flap element and front wall extension, said tab and flap element in one position lying in a plane parallel and adjacent to the tray bottom wall and in another position with said tab inserted in the female locking slot.

3. The carton of claim 2 wherein the cut line is arcuate in shape and is curved convexly into the front wall extension with respect to the fold line between the flap and front wall extension.

4. The carton of claim 3 wherein the female locking slot is defined by a cut out located substantially centrally in the tray bottom wall having a portion of at least one inner edge projecting into the cut out area to define a tongue member.

5. The carton of claim 4 wherein the tongue member is defined by extensions of cut out cut lines which extend behind the inwardly projecting edge at two adjacent sides of the cut out.