Appeal Number: 2006-2066
Application Number: 10/743,461
a cylinder comprising a Yankee drying cylinder, said shoe
pressing unit and said cylinder being arranged to form at least
one press nip;
a water absorbent carrier band;
a water-impermeable pressing band, wherein said water
absorbent carrier band and said water-impermeable pressing band
are guided through said at least one press nip, and the fiber
material web is adapted to pass through said at least one press
nip with said water absorbent carrier band and said water-
impermeable pressing band; and
said at least one press nip has a length in a web travel
direction greater than approximately 80 mm,
wherein said shoe press unit, said cylinder, said water
absorbent carrier band and said water-impermeable pressing band
are structured and arranged so that a pressure profile which
results over the press nip length has a maximum pressing
pressure which is less than or equal to approximately 2 MPa, and
wherein said shoe press unit, said cylinder, said water
absorbent carrier band and said water-impermeable pressing band
are structured and arranged for the formation of one of a tissue
paper and a hygienic paper web.
THE REFERENCES
Tapio et al. (Tapio) 4,139,410 Feb. 13, 1979
Sauer 5,019,211 May 28, 1991
Laapotti 5,043,046 Aug. 27, 1991
Bluhm et al. (Bluhm) 5,556,511 Sep. 17, 1996
Edwards et al. (Edwards) 6,248,210 Jun. 19, 2001
THE REJECTIONS
The claims stand rejected as follows: claims 1-4, 7-21
and 24-32 under 35 U.S.C. § 102(e) as anticipated by Edwards;
claims 5 and 6 under 35 U.S.C. § 103 as obvious over Edwards in
view of Laapotti; claims 22 and 23 under 35 U.S.C. § 103 as
obvious over Edwards in view of Bluhm and Tapio; and claim 33
under 35 U.S.C. § 103 as obvious over Edwards in view of Sauer.
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