Appeal No. 1998-3018
Application 08/457,328
supplied to different ones of the stock receiving
chambers to produce a mottled or marbleized effect
on the sheet being formed [column 4, lines 40
through 54].
Beck does not meet the limitations in independent
apparatus claim 1 requiring (1) means for independently adding
chemicals and/or fillers to each of a plurality of divided
stock flows and (2) diluting means for adjusting the
consistency of at least one of the divided stock flows such
that it has a consistency independently adjustable with
respect to the consistency of other of the stock flows. Beck
also fails to meet the corresponding adding and diluting
process limitations in independent method claim 11 and the
corresponding diluting means limitation in independent
apparatus claim 17.
Booth discloses a multi-ply paper board manufacturing
process that “contemplates the use of water soluble inorganic
chemicals which react to form a precipitate in the stock
stream of the desired ply or plies to retard or restrain the
rate of water drainage therefrom” (page 1, column 1, lines 9
-6-
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