Appeal No. 1998-0976
Application 08/379,722
alloys as well as electrically non-conductive materials, such
as ceramic, Teflon or
silicone. Köbler states that it has been found that a coating
on the rubber blanket cylinder which is electrically non-
conductive or only poorly conductive causes in due course
damage to the surface of the cylinder. In col. 1, lines 45
through 56, Köbler states that it appears that the damage to
the cylinder may be due to electrostatic charge which will
build up on the blanket and which cannot be conducted away
from the surface of the cylinder if the surface is non-
conductive or electrically only poorly conductive. In col. 2,
lines 10 through 21, Köbler teaches that the figure shows a
rubber blanket cylinder C having a surface 1 which is coated
with a protective coating 3 of electrically non-conductive or
only semiconductive material, which is applied in order to
protect the surface of the cylinder 1 from attack by corrosive
or chemically aggressive materials. In col. 2, lines 22
through 33, Köbler discloses that a pad 4 is applied to the
surface of the rubber blanket cylinder. The pad may be made
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