Extrusion die plate construction

Details Extrusion die plate construction Extrusion die plate construction

1986-10-30

1988-01-19

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Immersed shaping orifice discharging directly into liquid...

165158, 264142, 425311, 425464, B02C 1806

Patent

active

047202513

ABSTRACT:
An extrusion die assembly for a pelletizing apparatus including a die body, a die insert carried by the die body, the die insert having a die plate with a die plate face and a die plate back surface, there being a plurality of extrusion ports through the die plate face extending from the face to the back surface, the die insert further having a plurality of extrusion port formations such as tubes projecting from the die plate back surface and defining a plurality of extrusion passageways, each of said extrusion ports being in register with a respective one of said passageways, the tubes and the die plate comprising a monolithic structure formed from a unitary piece of material, and a heating jacket formed at least partially by the die body, at least a portion of the tubes being received in the heating jacket.

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