Appeal No. 1996-1945
Application No. 07/960,421
BACKGROUND
The invention is directed to a recyclable packaging receptacle which is useful for
storing solid and liquid food products. The recyclable package is formed from a metal
sheet which has at least one side coated with a plastic coating. Claim 26 which is
representative of the invention is reproduced below:
26. A self-supporting recyclable packaging receptacle, comprising:
a bendable initially flat metal sheet having margins around the periphery
thereof, said metal sheet further having a top and bottom major surface;
a plastic coating material applied to at least one of said top and bottom major
surfaces of said metal sheet, said plastic coating releases no environmentally
incompatible pollutants apart from C02;
folds and creases in said metal sheet formed by bending and creasing said
metal sheet, said folds and creases bringing at least two of said margins of
said metal sheet together in an adequate contacting relationship for welding;
a weld formed by heat-sealing said contacting margins; and
metal sidewalls and metal end walls formed by said folds and creases which
produce the self-supporting shape of said self supporting packaging
receptacle, and wherein said receptacle is recyclable, and said metal is
meltable.
As evidence of obviousness, the Examiner relies on the following reference:
Moretti EP 0196721 Oct. 8, 1986
European Patent Application
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