Appeal No. 1998-2035
Application 08/458,783
This is a decision on appeal from the examiner’s
final rejection of claims 1-15, 17 and 18, which are all of
the claims remaining in the application. Claim 16 has been
canceled.
Appellants’ invention is directed to an apparatus
and method for lubricating and curling a rim of a paperboard
container including a curling tool (12) having a curl-forming
channel (16a) and an annular porous liquid transfer ring (22)
which partially overlaps the curl-forming channel (16a). The
porous liquid transfer ring (22) being formed of felt or open-
celled foam material to transfer lubricant from an annular
channel (20) to the rim of the paperboard container as the
container is moved into the curl-forming channel (16a) by the
reciprocating motor (12a). A representative copy reproduced
from appellants’ brief of independent claim 1 is attached to
this decision.
The prior art references of record relied upon by
the examiner as evidence of obviousness are:
2
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