Appeal No. 2000-2035 Page 5
Application No. 08/844,282
a front barrier wall and a back barrier wall, each
said barrier wall including top edges and upper portions
of opposite side edges which matingly face one another
and which form an open top therebetween;
a downwardly-extending bifold membrane located in
the open top and having a longitudinal fold and
peripheral edges disposed adjacent the top edges and
upper portions of the opposite side edges of said front
and back barrier walls;
a membrane attaching means for securely attaching
the peripheral edges of said bifold membrane to adjacent
top edges and upper portions of the opposite side edges
of said barrier walls such that said bifold membrane
completely closes the open top and the facing top edges
of said barrier walls are movable away from one another
about the longitudinal fold of said bifold membrane to
expose the longitudinal fold for piercing by the straw;
side attaching means for securely attaching facing
portions of the peripheral edges of said bifold membrane
adjacent the upper portions of the opposite side edges of
said barrier walls to one another whereby the facing
upper portions of the opposite side edges are not movable
away from one another; and
a barrier peel seal provided between facing portions
of the peripheral edges of said bifold membrane adjacent
the top edges of said barrier walls whereby said peel
seal provides a tamper-evident and sanitary seal for said
bifold membrane which is easily broken in order to move
the facing top edges away from one another to expose said
longitudinal fold of said bifold membrane, wherein said
peel seal is a weak heat seal.
The rejection over Papro in view of Stanek
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Last modified: November 3, 2007