Abstract: A package for containing food products has at least two compartments having different atmospheric conditions. Each of the compartments may be sealed by a membrane having different permeability. The membranes may be sealed to a peripheral flange extending around each of the compartments. The peripheral flange is designed to facilitate severing in place on the tray of a membrane from a continuous web of material.
Type:
Grant
Filed:
October 24, 1997
Date of Patent:
May 11, 1999
Assignee:
Worlds Class Packaging Systems, Inc.
Inventors:
Michael P. Gorlich, Robert F. McPherson, Jr.