Granulator for cross-linkable plastic

Details Granulator for cross-linkable plastic Granulator for cross-linkable plastic

1986-05-16

1987-10-06

Hart, Charles

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

Blade type harvesting means or severing means

425217, 425198, 425311, A01L 2100

Patent

active

046980091

ABSTRACT:
A granulator for forming granules of cross-linkable plastic compounds in which a screw extruder extrudes the compound into the smaller diameter end of a funnel-shaped, annular conduit, the other end of the conduit facing a die with circular arrays of through-holes. The compound which passes through the through-holes is cut into granules by rotating blades having air nozzles which remove particles of the compound from the blades. The granules are received in a chamber from which they are removed pneumatically. Where the annular conduit meets the die, there are channels within and outside of the arrays of through-holes which lead to the outside of the granulator and which provide conduits for removal of compound which does not directly impinge on the entrances of the through-holes which are specially shaped to avoid accumulation of the compound between the through-holes.

REFERENCES:
patent: 3509598 (1970-05-01), Van Den Biggelaar
patent: 3599285 (1971-08-01), Hamilton
patent: 3599292 (1971-08-01), Camerlaxa et al.
patent: 3641232 (1972-02-01), Fontijn et al.
patent: 3770130 (1973-11-01), Brookins et al.
patent: 3817377 (1974-06-01), Piggott
patent: 4604202 (1986-08-01), Movshovitz

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