Appeal No. 2001-0394
Application 09/012,508
Claims 1, 9 and 17 are representative of the subject
matter on appeal and are reproduced below:
1. An apparatus for one of direct and indirect
application of a coating medium onto a traveling fiber material
web having a first side, a second side and a direction of travel,
said apparatus comprising:
at least one rotatable backing roll having a direction
of rotation, said at least one rotatable backing roll being
configured to be wrapped in part by the web, to support the first
side of the web, and to define, along with the first side of the
web, a cuneiformly tapering entrance gore and an exit gore;
at least one applicator opposing said at least one
backing roll, said at least one applicator configured for at
least one of applying the coating medium onto the second side of
the web and treating the second side of the web; and
at least one first air boundary layer stripper disposed
before said at least one applicator relative to said direction of
rotation of said at least one rotatable backing roll, said at
least one first air boundary layer stripper being configured to
remove an air boundary layer entrained by at least one of said at
least one backing roll and the first side of the web, said at
least one first air boundary layer stripper being disposed
between said at least one rotatable backing roll and the first
side of the web in said entrance gore.
9. A method for one of direct and indirect application
of a coating medium onto a traveling fiber material web having a
first side and a second side, said method comprising the steps
of:
supporting the first side of the web with at least one
rotatable backing roll such that the web wraps partly around said
at least one rotatable backing roll, said at least one rotatable
backing roll and the first side of the web defining a cuneiformly
tapering entrance gore and an exit gore;
2
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