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US 6,547,549 B2Granted
Pelletizing die for a pelletizer
AssigneeKrupp, Werner & Pfeiderer GmbH
InventorsFriedrich Schneider, Ulrich Wiesner, Jürgen Bartl
Life of this patent
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Abstract
A pelletizing die for a pelletizer comprises a base body with holes for melt to pass through; the holes are disposed in rows. Allocated to the holes are wearing-protection inserts, having holes which are in alignment with the holes in the base body. The inserts which are disposed to adjoin each other in a row have a chordal surface where they are turned toward an adjoining insert and are provided with at least one surface of an arcuate segment of a cylinder laterally of the chordal surface.
Claims11
A pelletizing die for a pellitizer, comprising
- a base body with a front and an axis;
- holes which are formed in the base body for melt to pass through and
- which are disposed in rows having a longitudinal direction;
- wearing-protection inserts
- said inserts having holes in alignment with the holes in the base body and discharging on the front, with adjacent holes in the rows having a distance a,
- said inserts are disposed in adapted recesses in the base body and are fixed by solder, and
- said inserts are in alignment with the front of the base body;
- wherein the inserts which adjoin each other in a row, where facing an adjacent insert, each have a chordal surface disposed directly adjacent to the chordal surface of the adjacent insert;
- and
- wherein the inserts, laterally of the chordal surface, are provided with at least one surface of an arcuate cylindrical segment.
7 more elements
Dependencies are inferred from the claim text.