G - Physics – 01 – N
Patent
G - Physics
01
N
73/97
G01N 15/02 (2006.01) B07B 1/46 (2006.01) B07B 1/55 (2006.01) B07B 4/08 (2006.01) C08J 9/224 (2006.01)
Patent
CA 2017428
ABSTRACT OF THE DISCLOSURE A method and apparatus for determining the particle size distribution of lightweight expanded polymers such as shredded expanded polystyrene is disclosed. The material to be sized is initially contained in a chamber which is in communication with gas supply. The gas supply urges the material through a plurality of sieves by means of a downward draft and agitation. 2422P/1-12
Smart & Biggar
W.r. Grace & Co.,-Conn.
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