B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
113/10
B21D 25/00 (2006.01) B30B 11/20 (2006.01)
Patent
CA 1113790
- 8 - ABSTRACT An annular die for a pelletising machine, having a multiplicity of radial bores (12) through which in one direction or the other, material is extruded to form pellets, each radial bore (12) having a portion (A) of constant cross-sectional area and a portion (B) of gradually increasing cross- sectional area, the latter extending to the peripheral surface (14) of the die to which material to be extruded is supplied, the transition between the portion (B) of increasing cross-sectional area and the portion (A) of constant cross-sectional area being entirely smooth such that there is no break in the profile of the internal wall surface of the bore (12).
338938
Fetherstonhaugh & Co.
Simon-Barron Limited
LandOfFree
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