Appeal No. 2001-1088 Page 5
Application No. 08/879,140
All the claims under appeal require a roll having an
elastic coating and either (1) a vaporizable liquid and a heat
exchanger therein (claims 1 to 21 and 32) or (2) a vaporizable
liquid therein which is vaporized and condensed therein
(claims 22 to 31). However, these limitations are not
suggested by the applied prior art. In that regard, while
Wolfgang '875 does teach a roll having a vaporizable liquid
and a heat exchanger therein (see for example the roll shown
in either Figure 1 or 2, Wolfgang '875 does not teach
providing the roll having a vaporizable liquid and a heat
exchanger therein with an elastic coating. In addition, while
Wolfgang '875 teaches rollers having rubber jackets
(translation, page 1) and Matsuda teaches a roll with rubber 8
wound on the outer surface of a cylindrical iron core 7, there
is no teaching, suggestion or incentive in the applied prior
art references for a person of ordinary skill in the art at
the time the invention was made to have provided the cooling
roll of Wolfgang '875 having a vaporizable liquid and a heat
exchanger therein with an elastic coating. In that regard, we
find ourselves in agreement with the appellant that the
addition of an elastic coating to the cooling roll of Wolfgang
Page: Previous 1 2 3 4 5 6 7 8 9 10 Next
Last modified: November 3, 2007