Appeal No. 97-1260
Application 08/124,774
that of the main carding cylinder and that the breaker roll A
has a covering similar to that of the revolving tops of the
main carding cylinder by providing the licker-in or breaker
roll B with a sawtooth clothing and the breaker roll A with a
pin clothing in view of the teachings of Otani. The examiner
also concludes that it further would have been obvious to one
of ordinary skill in the art to form the pin clothing on the
breaker roll A of a plurality of pins embedded into and
projecting from a securing surface in view of the teachings of
Riehl (see pages 3 through 5 in the final rejection).
In essence, the appellant contends that the examiner’s
conclusion of obviousness is unsound because the combined
teachings of the references would not have suggested (1)
making Weber’s rolls A and B a pin roll and a sawtooth roll,
respectively, and (2) providing the pin roll with a lesser
clothing point density than the sawtooth roll.
Notwithstanding the appellant’s argument to the contrary,
Weber’s teaching that the licker-in or breaker roll B has a
covering similar to that of the main carding cylinder and that
the breaker roll A has a covering similar to that of the
revolving tops of the main carding cylinder would have
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Last modified: November 3, 2007