Appeal No. 2001-1210 Page 4
Application No. 09/255,990
Claim 1
We sustain the rejection of claim 1 under 35 U.S.C. § 103.
Claim 1 reads as follows:
A method for two-sided printing of a sheet of printing material having a
front side and a rear side, in a sheet-fed rotary printing press, which comprises:
cleaning the front side of a sheet of printing material before printed [sic,
printing] thereon in a sheet-fed rotary printing press;
also cleaning the rear side of the sheet before printing thereon in a sheet-
fed rotary printing press.
Wood discloses a web-treating device for printing-presses. Specifically, Wood
teaches the benefits of cleaning both surfaces of a web prior to printing on the web. As
shown in Figure 1, the cleaning device is disposed upstream of a web-fed rotary
printing press (impression cylinders A and C and printing cylinders B and D) which
prints on both sides of the web. The cleaning device cleans both sides of the web and
includes rotating brushes 13 and 17.
Grindley's invention relates to improvements in apparatus for removing dusting
powder or residue particles from paper sheets during movement of the sheets in a
printing press, and prior to the printing (or reprinting) thereof. Grindley teaches (column
1, lines 8-47) that
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