Food package having a compartmentalized rigid base tray

  • US 5,657,873 A
  • Filed: 12/23/1994
  • Issued: 08/19/1997
  • Est. Priority Date: 11/06/1990
  • Status: Expired due to Term
First Claim
Patent Images

1. A food package comprising:

  • (a) a generally rectangular rigid plastic base tray having four side edges, a top and a bottom located in a bottom plane, at least three compartments, said base tray having peripheral and internal flanges, said flanges being located in a reference plane parallel to the bottom plane, the peripheral flanges defining the four side edges of the tray, each said compartment being defined by side walls extending downwardly from said flanges and a bottom wall located along the bottom plane, the flanges being of sufficient width for air-tightly sealing a flexible film thereto, and at least one of said compartments containing a food product,(b) an air impermeable flexible film in said reference plane affixed to the flanges and forming an airtight seal at least with respect to said compartments containing the food product, said film having associated therewith a package top design which permits viewing of the contents in at least one of said compartments, and(c) a back panel comprising a flat relatively stiff planar sheet which is adhered immovably to the bottom walls of at least two of said compartments of the tray to preserve the structural integrity of the package and providing means to convey label information.

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