Appeal No. 2000-2014
Application No. 08/713,672
by passage over the radiation elements, additional air, heated
by a burner or other heating element, may be circulated in the
airborne dryer (col. 6, lines 43-57 of Heikkilä; col. 9, lines
30-57 of LePisto; col. 4, line 59 to col. 5, line 2 of
Karlsson). All three references are silent as to the rate of
increase of web temperature, if any, effected by either of the
dryers.
Turning now to the claims, we note that each of
independent claims 1, 5, 10 and 14 recites a radiant heat
transfer section for raising the temperature of an article at
a first rate followed by a separate convection heat transfer
section for raising the temperature of the article at a second
rate which is lower than the first rate and a conveyor means
which transports the article from the radiant heat transfer
section to the convection heat transfer section. Stated
somewhat differently, we understand these claims to require,
inter alia, a radiant heat transfer section for (capable of)
raising the temperature of an article and a convection heat
transfer section for (capable of) further raising the
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