Ex parte LEIFELD - Page 6




          Appeal No. 97-1260                                                          
          Application 08/124,774                                                      


          covering or clothing similar to that of the main carding                    
          cylinder and the breaker roll A between the fiber feeding                   
          device and the licker-in as having a covering or clothing                   
          similar to that of the revolving tops of the large or main                  
          carding cylinder.                                                           
               Otani discloses a carding machine which includes a main                
          carding cylinder 3 and an associated revolving top in the form              
          of a rotary flat section 4.  As conceded by the appellant,                  
          “the Otani reference in Figure 2 shows a cooperation between                
          traveling flats [i.e., the rotary flat section] that have a                 
          pin clothing and a main carding cylinder that has a sawtooth                
          clothing” (main brief, page 9).                                             
               Riehl discloses a carding machine wherein the  main                    
          carding cylinder 12 is a pin roll.  As best shown in Figure 4,              
          the pins are embedded in and project from a securing surface                
          of the roll.                                                                




               According to the examiner, it would have been obvious to               
          one of ordinary skill in the art to implement Weber’s teaching              
          that the licker-in or breaker roll B has a covering similar to              
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