Kenneth R Vandedrink

US Patent:

42353459, Nov 25, 1980

Filed:

Jul 27, 1979

Appl. No.:

6/061375

Inventors:

Kenneth R. VandeDrink - Elgin IL
Edward J. Cole - Skokie IL

International Classification:

B65D 622

US Classification:

220 6

Abstract:

Improved foldable packaging cases are provided which are particularly suitable, when in their fully opened condition, for use in transporting a plurality of cartons containing fluid products, particularly liquid dairy products such as milk and flavored drinks. The improved cases include structural features that cooperate to provide a case that is readily folded into a compact unit that is especially suitable for opening up to its fully unfolded condition by automatic case opening means, and which when so opened is structured to provide a rigid enclosure that retains a substantially rectangular shape when in use by avoiding both unintentional inward collapsing and undesirable bowing out of the foldable walls.