Appeal No. 1998-0837
Application No. 08/516,752
portion of the calender section to restrict movement
of the ambient air into the region between the
calender hood and a surface of the paper sheet
during passage of said paper sheet from the drying
section to the calender section.
10. A method of reducing heat loss from a paper
sheet in a paper machine having a dryer section and
a calender section for a paper sheet to pass
therebetween during manufacture, the method
comprising positioning a substantially air
impervious barrier as a calender hood near the paper
sheet, continuously and uninterruptedly extending
from the dryer section to the calender section and
containing at least a portion of the
calender section to restrict movement of the ambient
air into the region between the calender hood and a
surface of the paper sheet during passage of said
paper sheet between said dryer section and said
calender section.
The examiner's rejection of claims 1 and 10 points out
that "[p]aper machines with a dryer section immediately
followed by a calendar stack section are conventional, as is a
dryer hood for the dryer section, as admitted by applicants
and exemplified on pages 456, 460-463, 564-568 of MacDonald et
al. Note page 568 of MacDonald et al states 'The calendar
stack immediately following the dryers...'" (answer, page 3).
The examiner goes on to state that "Verkasalo teaches a
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