In a centrifuge sieve drum, wherein the inner surface of the drum is lined with a support arrangement carrying wear-resistant sieve or screen rods, there is obtained a compensation of the different thermal expansions of the sieve rods and the support arrangement in that, the sieve rods comprise an axially...http://www.google.fr/patents/US4569761?utm_source=gb-gplus-shareBrevet US4569761 - Centrifuge sieve and method of producing the same