Appeal No. 1999-0337
Application 08/323,839
the limitations in independent apparatus claims 1 and 17
except for those requiring means for independently adding
chemicals and/or fillers to each of a plurality of divided
stock flows. Similarly, it is not disputed that Beck teaches
or would have suggested a method meeting all of the
limitations in independent method claim 5 except for that
requiring the step of independently adding chemicals and/or
fillers to at least one of a plurality of divided stock flows.
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
through 13). Conventionally, the multiple plies are
separately formed on individual cylinder molds (see page 1,
column 1, lines 24 through 46), with the inner or filler plies
being uniformly prepared by common beating and jordaning
equipment (see page 1, column 1, lines 47 through 53; and page
-5-
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 Next
Last modified: November 3, 2007