Appeal No. 2000-0855
Application No. 08/597,377
as shown by FIG. 16, so that the facing sheets are expansible
when the web is stretched. See col. 9, l. 55 through col. 10,
l. 14.
With respect to claim 1, the appellants assert (main
brief, p. 16) that Proxmire does not disclose the step of
forming perforations in the stretched elastic band directly
followed by bonding together through said perforations
portions of the layers of at least partially meltable material
located opposite said perforations by heat fusion so that the
layers are bonded to one another through the perforations. We
agree.
Claim 1 requires that portions of the meltable material
layers located opposite the perforations be bonded to one
another. While Proxmire teaches forming perforations in the
stretched elastic band or carrier sheet 110 and thermally
bonding together portions of the layers 112 and 114 through
the perforations, the reference does not explicitly or
inherently disclose that the step of forming the perforations
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