Ex Parte Kayser - Page 3




              Appeal No. 2003-0298                                                                  Page 3                
              Application No. 09/497,797                                                                                  


              and to the brief (Paper No. 13, filed February 6, 2002) and reply brief (Paper No. 6, filed                 
              August 7, 2002) for the appellant's arguments thereagainst.                                                 


                                                       OPINION                                                            
                     In reaching our decision in this appeal, we have given careful consideration to                      
              the appellant's specification and claims, to the applied prior art references, and to the                   
              respective positions articulated by the appellant and the examiner.  As a consequence                       
              of our review, we make the determinations which follow.                                                     


              The claimed subject matter                                                                                  
                     Claims 1, 13, 26, 36 and 37, the independent claims on appeal, read as follows:                      
                     1.     A calender for webs of moisture-containing material, comprising:                              
                            a housing having at least two side pieces and a roll stack located at least                   
                     partially between the side pieces, wherein a space is formed by the roll stack and                   
                     the web between the side pieces; and                                                                 
                            a fan positioned to blow dry air into the space.                                              
                     13.    A system for regulating the humidity in a calender, the calender being                        
                     used to treat a moisture-containing material web and including a housing having                      
                     at least two side walls and a roll stack, the calender defining a space bounded at                   
                     least by the roll stack, the web, and the at least two side walls, the system                        
                     comprising:                                                                                          
                            a device for reducing the humidity of the space,                                              
                            wherein the humidity level in the space is reduced to a level which is                        
                     below a saturation point.                                                                            
                     26.    A method of regulating the humidity in a calender, the calender being                         
                     used to treat a moisture-containing material web and including a housing having                      
                     at least two side walls and a roll stack, the calender defining a space bounded at                   







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