Abstract: For forming rigid packing containers for liquids, the invention provides a laminate which comprises layers of cellular structure and layers of homogeneous structure, the cellular layers being composed of foamed plastics and the homogeneous layers being either plastic, metal foil, glass fibers or paper, and arranged between the layers of foamed plastics.
Type:
Grant
Filed:
December 15, 1975
Date of Patent:
January 25, 1977
Assignee:
Anders Ruben Rausing
Inventors:
Ruben Anders Rausing, Ingemar Wilhelm Ohlsson