BIRD

FIBER SLURRY PREPARATION MACHINES FOR FIBER SEPARATING, SLURRY CLEANING, SCREENING AND DEINKING AND FIBER RECOVERY AND SYSTEMS OF ONE OR MORE OF SAID MACHINES WITH SLURRY FLOW CONTROL APPARATUS; [ PAPERMAKING MACHINE SHOWERS AND FELT CONDITIONERS; ] CENTRIFUGAL SEPARATION AND VACCUUM FILTRATION MACHINES AND ASSEMBLIES OF ONE OR MORE SUCH MACHINES; AND PARTS FOR THE FOREGOING * ; EXCLUDING FROM THIS DESCRIPTION THOSE MACHINES EMPLOYED IN THE PULP AND PAPER INDUSTRY *