Appeal No. 2006-1779
Application No. 10/249,810
prior art products and make physical comparisons therewith. In re Brown, 459
F.2d 531, 535, 173 USPQ 685, 688 (CCPA 1972).
Takashi’s bag is made by a process wherein the gussets, fastener and sealing
tapes and front and rear film members are all brought together, as illustrated in
Figures 23 and 24, and bonded to one another essentially at the same time. In
particular, Takashi explains (para. [0062] and para. [0063]) that
[t]he vertically separated film members 1a and 1b are
then moved away from each other by means of feed
rollers. Meanwhile, a roll of sealing tapes 8, 8 provided
respectively with and put together through the
engagement of female 3a and male profiles 3b of fastener
is unrolled and the sealing tapes 8, 8 are separated from
each other by disengaging the female and male profiles
3a and 3b. The sealing tapes are then made to run
between and along the upper and lower film members 1a
and 1b respectively.
Then, a pair of side gussets 4 folded to show a V-
shaped cross section by means of a folder 23 and cut to
given dimensions by a cutter 24 are inserted between the
film members 1a and 1b and also between the sealing
tapes 8, 8 in a direction perpendicular to the running
direction of the film members 1a and 1b and then the
upper edges 4b, 4b of the side gussets 4, 4 are
temporarily bonded to the corresponding film member
after adjusting their positions relative to the fastener 3 on
the sealing tapes 8, 8. Then, the upper edges 4b, 4b of
the side gussets 4, 4 are securely held in position by
means of a pair of sealing bars 26a and 26b and, at the
same time, the side gussets 4, 4 and the bases of the
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