Appeal No. 97-0742
Application 08/427,775
follows:
1. An apparatus for preventing condensation in machines
processing a web-like material, comprising:
at least one component arranged withing a processing unit,
said at least one component having at least one surface in
contact with and surrounded by ambient air; and
a heating element, said heating element increasing a
temperature of said at least one surface of said at least one
component, said heating element reducing a difference between
said temperature of said at least one surface of said at least
one component and a temperature of said ambient air surrounding
said at least one component.
The references relied upon by the examiner as evidence of
obviousness are:
Mitter 4,089,193 May 16, 1978
Ecker 4,308,042 Dec. 29, 1981
Weimer et al. (Weimer) 5,126,121 Jun. 30, 1992
The appealed claims stand rejected under 35 U.S.C. § 103 as
follows:
a) claims 1 through 18, 20 and 21 as being unpatentable over
Mitter in view of Ecker; and
b) claim 19 as being unpatentable over Mitter in view of
Ecker, and further in view of Weimer.
Mitter, the examiner’s primary reference, discloses a
textile web printing apparatus having “advancing means for
advancing a textile web in a path, printing means for printing
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