B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
241/129
B02C 23/18 (2006.01) B02C 19/20 (2006.01)
Patent
CA 1329387
ABSTRACT OF THE DISCLOSURE An improved method for pulverizing a material. The material is packed into an ice tube and frozen to form a composite ice pillar. The pillar is ground from one end thereof on a grinder. The outer tube serves to prevent the material from being scattered prematurely too soon to be sufficiently pulverized. This method assures pulverization to a fine powder, at one operation, and at low cost.
583894
Fetherstonhaugh & Co.
Okayama Jonan Denki Kabushiki Kaisha
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