Appeal No. 2002-1850
Application 08/288,574
as packaging material, e.g., monoplane material. With further
reference to Marchese and then the present invention, appellant
indicates (page 4) that
even if a use of elastic foil as packaging
for the meat were to be made possible by
modifying the packaging device, this foil is
not suitable for serving as vacuum packaging
as this material is not gas impermeable.
Gas-impermeability is attained only in
connection with a second foil serving as a
gas-impermeable layer in interaction with a
first elastic foil according to the
invention.2
As explained by appellant (page 4), it is an object of the
present invention to provide a packaging envelope which contracts
in such a way that air between a commodity and the envelope is
pressed out automatically.
In our review of the Marchese patent, we find that the
patentee references (column 1, lines 11 through 14) the knowledge
in the art of machines generally similar to a “sausage stuffer”
for inserting meat into a wrapping or enveloping means (netting
2 It is noted that the Korlatzki reference applied by the
examiner reveals that, at the time of the present invention it
was known to include a water-impermeable inner layer in a
combination of films.
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